querySpecification() {
+ return ConnectedToNotSymmetric.instance();
+ }
+ }
+
+ private ConnectedToNotSymmetric() {
+ super(GeneratedPQuery.INSTANCE);
+ }
+
+ /**
+ * @return the singleton instance of the query specification
+ * @throws ViatraQueryRuntimeException if the pattern definition could not be loaded
+ *
+ */
+ public static ConnectedToNotSymmetric instance() {
+ try{
+ return LazyHolder.INSTANCE;
+ } catch (ExceptionInInitializerError err) {
+ throw processInitializerError(err);
+ }
+ }
+
+ @Override
+ protected ConnectedToNotSymmetric.Matcher instantiate(final ViatraQueryEngine engine) {
+ return ConnectedToNotSymmetric.Matcher.on(engine);
+ }
+
+ @Override
+ public ConnectedToNotSymmetric.Matcher instantiate() {
+ return ConnectedToNotSymmetric.Matcher.create();
+ }
+
+ @Override
+ public ConnectedToNotSymmetric.Match newEmptyMatch() {
+ return ConnectedToNotSymmetric.Match.newEmptyMatch();
+ }
+
+ @Override
+ public ConnectedToNotSymmetric.Match newMatch(final Object... parameters) {
+ return ConnectedToNotSymmetric.Match.newMatch((modes3.Segment) parameters[0], (modes3.Segment) parameters[1]);
+ }
+
+ /**
+ * Inner class allowing the singleton instance of {@link ConnectedToNotSymmetric} to be created
+ * not at the class load time of the outer class,
+ * but rather at the first call to {@link ConnectedToNotSymmetric#instance()}.
+ *
+ * This workaround is required e.g. to support recursion.
+ *
+ */
+ private static class LazyHolder {
+ private static final ConnectedToNotSymmetric INSTANCE = new ConnectedToNotSymmetric();
+
+ /**
+ * Statically initializes the query specification after the field {@link #INSTANCE} is assigned.
+ * This initialization order is required to support indirect recursion.
+ *
+ *
The static initializer is defined using a helper field to work around limitations of the code generator.
+ *
+ */
+ private static final Object STATIC_INITIALIZER = ensureInitialized();
+
+ public static Object ensureInitialized() {
+ INSTANCE.ensureInitializedInternal();
+ return null;
+ }
+ }
+
+ private static class GeneratedPQuery extends BaseGeneratedEMFPQuery {
+ private static final ConnectedToNotSymmetric.GeneratedPQuery INSTANCE = new GeneratedPQuery();
+
+ private final PParameter parameter_S1 = new PParameter("S1", "modes3.Segment", new EClassTransitiveInstancesKey((EClass)getClassifierLiteralSafe("http://www.ece.mcgill.ca/wcet/modes3", "Segment")), PParameterDirection.INOUT);
+
+ private final PParameter parameter_S2 = new PParameter("S2", "modes3.Segment", new EClassTransitiveInstancesKey((EClass)getClassifierLiteralSafe("http://www.ece.mcgill.ca/wcet/modes3", "Segment")), PParameterDirection.INOUT);
+
+ private final List parameters = Arrays.asList(parameter_S1, parameter_S2);
+
+ private GeneratedPQuery() {
+ super(PVisibility.PUBLIC);
+ }
+
+ @Override
+ public String getFullyQualifiedName() {
+ return "modes3.queries.connectedToNotSymmetric";
+ }
+
+ @Override
+ public List getParameterNames() {
+ return Arrays.asList("S1","S2");
+ }
+
+ @Override
+ public List getParameters() {
+ return parameters;
+ }
+
+ @Override
+ public Set doGetContainedBodies() {
+ setEvaluationHints(new QueryEvaluationHint(null, QueryEvaluationHint.BackendRequirement.UNSPECIFIED));
+ Set bodies = new LinkedHashSet<>();
+ {
+ PBody body = new PBody(this);
+ PVariable var_S1 = body.getOrCreateVariableByName("S1");
+ PVariable var_S2 = body.getOrCreateVariableByName("S2");
+ new TypeConstraint(body, Tuples.flatTupleOf(var_S1), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("http://www.ece.mcgill.ca/wcet/modes3", "Segment")));
+ new TypeConstraint(body, Tuples.flatTupleOf(var_S2), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("http://www.ece.mcgill.ca/wcet/modes3", "Segment")));
+ body.setSymbolicParameters(Arrays.asList(
+ new ExportedParameter(body, var_S1, parameter_S1),
+ new ExportedParameter(body, var_S2, parameter_S2)
+ ));
+ // Segment.connectedTo(S1, S2)
+ new TypeConstraint(body, Tuples.flatTupleOf(var_S1), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("http://www.ece.mcgill.ca/wcet/modes3", "Segment")));
+ PVariable var__virtual_0_ = body.getOrCreateVariableByName(".virtual{0}");
+ new TypeConstraint(body, Tuples.flatTupleOf(var_S1, var__virtual_0_), new EStructuralFeatureInstancesKey(getFeatureLiteral("http://www.ece.mcgill.ca/wcet/modes3", "Segment", "connectedTo")));
+ new TypeConstraint(body, Tuples.flatTupleOf(var__virtual_0_), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("http://www.ece.mcgill.ca/wcet/modes3", "Segment")));
+ new Equality(body, var__virtual_0_, var_S2);
+ // neg find connectedTo(S2, S1)
+ new NegativePatternCall(body, Tuples.flatTupleOf(var_S2, var_S1), ConnectedTo.instance().getInternalQueryRepresentation());
+ bodies.add(body);
+ }
+ {
+ PAnnotation annotation = new PAnnotation("Constraint");
+ annotation.addAttribute("message", "connectedToNotSymmetric");
+ annotation.addAttribute("severity", "error");
+ annotation.addAttribute("key", Arrays.asList(new Object[] {
+ new ParameterReference("S1"),
+ new ParameterReference("S2")
+ }));
+ addAnnotation(annotation);
+ }
+ return bodies;
+ }
+ }
+}
diff --git a/Domains/ca.mcgill.rtgmrt.example.modes3/vql-gen/modes3/queries/ConnectedToReflexive.java b/Domains/ca.mcgill.rtgmrt.example.modes3/vql-gen/modes3/queries/ConnectedToReflexive.java
new file mode 100644
index 00000000..948fec73
--- /dev/null
+++ b/Domains/ca.mcgill.rtgmrt.example.modes3/vql-gen/modes3/queries/ConnectedToReflexive.java
@@ -0,0 +1,563 @@
+/**
+ * Generated from platform:/resource/ca.mcgill.rtgmrt.example.modes3/src/modes3/queries/Modes3Queries.vql
+ */
+package modes3.queries;
+
+import java.util.Arrays;
+import java.util.Collection;
+import java.util.LinkedHashSet;
+import java.util.List;
+import java.util.Objects;
+import java.util.Optional;
+import java.util.Set;
+import java.util.function.Consumer;
+import java.util.stream.Collectors;
+import java.util.stream.Stream;
+import modes3.Segment;
+import org.apache.log4j.Logger;
+import org.eclipse.emf.ecore.EClass;
+import org.eclipse.viatra.query.runtime.api.IPatternMatch;
+import org.eclipse.viatra.query.runtime.api.IQuerySpecification;
+import org.eclipse.viatra.query.runtime.api.ViatraQueryEngine;
+import org.eclipse.viatra.query.runtime.api.impl.BaseGeneratedEMFPQuery;
+import org.eclipse.viatra.query.runtime.api.impl.BaseGeneratedEMFQuerySpecification;
+import org.eclipse.viatra.query.runtime.api.impl.BaseMatcher;
+import org.eclipse.viatra.query.runtime.api.impl.BasePatternMatch;
+import org.eclipse.viatra.query.runtime.emf.types.EClassTransitiveInstancesKey;
+import org.eclipse.viatra.query.runtime.emf.types.EStructuralFeatureInstancesKey;
+import org.eclipse.viatra.query.runtime.matchers.backend.QueryEvaluationHint;
+import org.eclipse.viatra.query.runtime.matchers.psystem.PBody;
+import org.eclipse.viatra.query.runtime.matchers.psystem.PVariable;
+import org.eclipse.viatra.query.runtime.matchers.psystem.annotations.PAnnotation;
+import org.eclipse.viatra.query.runtime.matchers.psystem.annotations.ParameterReference;
+import org.eclipse.viatra.query.runtime.matchers.psystem.basicdeferred.Equality;
+import org.eclipse.viatra.query.runtime.matchers.psystem.basicdeferred.ExportedParameter;
+import org.eclipse.viatra.query.runtime.matchers.psystem.basicenumerables.TypeConstraint;
+import org.eclipse.viatra.query.runtime.matchers.psystem.queries.PParameter;
+import org.eclipse.viatra.query.runtime.matchers.psystem.queries.PParameterDirection;
+import org.eclipse.viatra.query.runtime.matchers.psystem.queries.PVisibility;
+import org.eclipse.viatra.query.runtime.matchers.tuple.Tuple;
+import org.eclipse.viatra.query.runtime.matchers.tuple.Tuples;
+import org.eclipse.viatra.query.runtime.util.ViatraQueryLoggingUtil;
+
+/**
+ * A pattern-specific query specification that can instantiate Matcher in a type-safe way.
+ *
+ * Original source:
+ *
+ * {@literal @}Constraint(message = "connectedToReflexive", severity = "error", key = { S })
+ * pattern connectedToReflexive(S : Segment) {
+ * Segment.connectedTo(S, S);
+ * }
+ *
+ *
+ * @see Matcher
+ * @see Match
+ *
+ */
+@SuppressWarnings("all")
+public final class ConnectedToReflexive extends BaseGeneratedEMFQuerySpecification {
+ /**
+ * Pattern-specific match representation of the modes3.queries.connectedToReflexive pattern,
+ * to be used in conjunction with {@link Matcher}.
+ *
+ * Class fields correspond to parameters of the pattern. Fields with value null are considered unassigned.
+ * Each instance is a (possibly partial) substitution of pattern parameters,
+ * usable to represent a match of the pattern in the result of a query,
+ * or to specify the bound (fixed) input parameters when issuing a query.
+ *
+ * @see Matcher
+ *
+ */
+ public static abstract class Match extends BasePatternMatch {
+ private Segment fS;
+
+ private static List parameterNames = makeImmutableList("S");
+
+ private Match(final Segment pS) {
+ this.fS = pS;
+ }
+
+ @Override
+ public Object get(final String parameterName) {
+ switch(parameterName) {
+ case "S": return this.fS;
+ default: return null;
+ }
+ }
+
+ @Override
+ public Object get(final int index) {
+ switch(index) {
+ case 0: return this.fS;
+ default: return null;
+ }
+ }
+
+ public Segment getS() {
+ return this.fS;
+ }
+
+ @Override
+ public boolean set(final String parameterName, final Object newValue) {
+ if (!isMutable()) throw new java.lang.UnsupportedOperationException();
+ if ("S".equals(parameterName) ) {
+ this.fS = (Segment) newValue;
+ return true;
+ }
+ return false;
+ }
+
+ public void setS(final Segment pS) {
+ if (!isMutable()) throw new java.lang.UnsupportedOperationException();
+ this.fS = pS;
+ }
+
+ @Override
+ public String patternName() {
+ return "modes3.queries.connectedToReflexive";
+ }
+
+ @Override
+ public List parameterNames() {
+ return ConnectedToReflexive.Match.parameterNames;
+ }
+
+ @Override
+ public Object[] toArray() {
+ return new Object[]{fS};
+ }
+
+ @Override
+ public ConnectedToReflexive.Match toImmutable() {
+ return isMutable() ? newMatch(fS) : this;
+ }
+
+ @Override
+ public String prettyPrint() {
+ StringBuilder result = new StringBuilder();
+ result.append("\"S\"=" + prettyPrintValue(fS));
+ return result.toString();
+ }
+
+ @Override
+ public int hashCode() {
+ return Objects.hash(fS);
+ }
+
+ @Override
+ public boolean equals(final Object obj) {
+ if (this == obj)
+ return true;
+ if (obj == null) {
+ return false;
+ }
+ if ((obj instanceof ConnectedToReflexive.Match)) {
+ ConnectedToReflexive.Match other = (ConnectedToReflexive.Match) obj;
+ return Objects.equals(fS, other.fS);
+ } else {
+ // this should be infrequent
+ if (!(obj instanceof IPatternMatch)) {
+ return false;
+ }
+ IPatternMatch otherSig = (IPatternMatch) obj;
+ return Objects.equals(specification(), otherSig.specification()) && Arrays.deepEquals(toArray(), otherSig.toArray());
+ }
+ }
+
+ @Override
+ public ConnectedToReflexive specification() {
+ return ConnectedToReflexive.instance();
+ }
+
+ /**
+ * Returns an empty, mutable match.
+ * Fields of the mutable match can be filled to create a partial match, usable as matcher input.
+ *
+ * @return the empty match.
+ *
+ */
+ public static ConnectedToReflexive.Match newEmptyMatch() {
+ return new Mutable(null);
+ }
+
+ /**
+ * Returns a mutable (partial) match.
+ * Fields of the mutable match can be filled to create a partial match, usable as matcher input.
+ *
+ * @param pS the fixed value of pattern parameter S, or null if not bound.
+ * @return the new, mutable (partial) match object.
+ *
+ */
+ public static ConnectedToReflexive.Match newMutableMatch(final Segment pS) {
+ return new Mutable(pS);
+ }
+
+ /**
+ * Returns a new (partial) match.
+ * This can be used e.g. to call the matcher with a partial match.
+ * The returned match will be immutable. Use {@link #newEmptyMatch()} to obtain a mutable match object.
+ * @param pS the fixed value of pattern parameter S, or null if not bound.
+ * @return the (partial) match object.
+ *
+ */
+ public static ConnectedToReflexive.Match newMatch(final Segment pS) {
+ return new Immutable(pS);
+ }
+
+ private static final class Mutable extends ConnectedToReflexive.Match {
+ Mutable(final Segment pS) {
+ super(pS);
+ }
+
+ @Override
+ public boolean isMutable() {
+ return true;
+ }
+ }
+
+ private static final class Immutable extends ConnectedToReflexive.Match {
+ Immutable(final Segment pS) {
+ super(pS);
+ }
+
+ @Override
+ public boolean isMutable() {
+ return false;
+ }
+ }
+ }
+
+ /**
+ * Generated pattern matcher API of the modes3.queries.connectedToReflexive pattern,
+ * providing pattern-specific query methods.
+ *
+ *
Use the pattern matcher on a given model via {@link #on(ViatraQueryEngine)},
+ * e.g. in conjunction with {@link ViatraQueryEngine#on(QueryScope)}.
+ *
+ *
Matches of the pattern will be represented as {@link Match}.
+ *
+ *
Original source:
+ *
+ * {@literal @}Constraint(message = "connectedToReflexive", severity = "error", key = { S })
+ * pattern connectedToReflexive(S : Segment) {
+ * Segment.connectedTo(S, S);
+ * }
+ *
+ *
+ * @see Match
+ * @see ConnectedToReflexive
+ *
+ */
+ public static class Matcher extends BaseMatcher {
+ /**
+ * Initializes the pattern matcher within an existing VIATRA Query engine.
+ * If the pattern matcher is already constructed in the engine, only a light-weight reference is returned.
+ *
+ * @param engine the existing VIATRA Query engine in which this matcher will be created.
+ * @throws ViatraQueryRuntimeException if an error occurs during pattern matcher creation
+ *
+ */
+ public static ConnectedToReflexive.Matcher on(final ViatraQueryEngine engine) {
+ // check if matcher already exists
+ Matcher matcher = engine.getExistingMatcher(querySpecification());
+ if (matcher == null) {
+ matcher = (Matcher)engine.getMatcher(querySpecification());
+ }
+ return matcher;
+ }
+
+ /**
+ * @throws ViatraQueryRuntimeException if an error occurs during pattern matcher creation
+ * @return an initialized matcher
+ * @noreference This method is for internal matcher initialization by the framework, do not call it manually.
+ *
+ */
+ public static ConnectedToReflexive.Matcher create() {
+ return new Matcher();
+ }
+
+ private static final int POSITION_S = 0;
+
+ private static final Logger LOGGER = ViatraQueryLoggingUtil.getLogger(ConnectedToReflexive.Matcher.class);
+
+ /**
+ * Initializes the pattern matcher within an existing VIATRA Query engine.
+ * If the pattern matcher is already constructed in the engine, only a light-weight reference is returned.
+ *
+ * @param engine the existing VIATRA Query engine in which this matcher will be created.
+ * @throws ViatraQueryRuntimeException if an error occurs during pattern matcher creation
+ *
+ */
+ private Matcher() {
+ super(querySpecification());
+ }
+
+ /**
+ * Returns the set of all matches of the pattern that conform to the given fixed values of some parameters.
+ * @param pS the fixed value of pattern parameter S, or null if not bound.
+ * @return matches represented as a Match object.
+ *
+ */
+ public Collection getAllMatches(final Segment pS) {
+ return rawStreamAllMatches(new Object[]{pS}).collect(Collectors.toSet());
+ }
+
+ /**
+ * Returns a stream of all matches of the pattern that conform to the given fixed values of some parameters.
+ *
+ * NOTE: It is important not to modify the source model while the stream is being processed.
+ * If the match set of the pattern changes during processing, the contents of the stream is undefined.
+ * In such cases, either rely on {@link #getAllMatches()} or collect the results of the stream in end-user code.
+ * @param pS the fixed value of pattern parameter S, or null if not bound.
+ * @return a stream of matches represented as a Match object.
+ *
+ */
+ public Stream streamAllMatches(final Segment pS) {
+ return rawStreamAllMatches(new Object[]{pS});
+ }
+
+ /**
+ * Returns an arbitrarily chosen match of the pattern that conforms to the given fixed values of some parameters.
+ * Neither determinism nor randomness of selection is guaranteed.
+ * @param pS the fixed value of pattern parameter S, or null if not bound.
+ * @return a match represented as a Match object, or null if no match is found.
+ *
+ */
+ public Optional getOneArbitraryMatch(final Segment pS) {
+ return rawGetOneArbitraryMatch(new Object[]{pS});
+ }
+
+ /**
+ * Indicates whether the given combination of specified pattern parameters constitute a valid pattern match,
+ * under any possible substitution of the unspecified parameters (if any).
+ * @param pS the fixed value of pattern parameter S, or null if not bound.
+ * @return true if the input is a valid (partial) match of the pattern.
+ *
+ */
+ public boolean hasMatch(final Segment pS) {
+ return rawHasMatch(new Object[]{pS});
+ }
+
+ /**
+ * Returns the number of all matches of the pattern that conform to the given fixed values of some parameters.
+ * @param pS the fixed value of pattern parameter S, or null if not bound.
+ * @return the number of pattern matches found.
+ *
+ */
+ public int countMatches(final Segment pS) {
+ return rawCountMatches(new Object[]{pS});
+ }
+
+ /**
+ * Executes the given processor on an arbitrarily chosen match of the pattern that conforms to the given fixed values of some parameters.
+ * Neither determinism nor randomness of selection is guaranteed.
+ * @param pS the fixed value of pattern parameter S, or null if not bound.
+ * @param processor the action that will process the selected match.
+ * @return true if the pattern has at least one match with the given parameter values, false if the processor was not invoked
+ *
+ */
+ public boolean forOneArbitraryMatch(final Segment pS, final Consumer super ConnectedToReflexive.Match> processor) {
+ return rawForOneArbitraryMatch(new Object[]{pS}, processor);
+ }
+
+ /**
+ * Returns a new (partial) match.
+ * This can be used e.g. to call the matcher with a partial match.
+ * The returned match will be immutable. Use {@link #newEmptyMatch()} to obtain a mutable match object.
+ * @param pS the fixed value of pattern parameter S, or null if not bound.
+ * @return the (partial) match object.
+ *
+ */
+ public ConnectedToReflexive.Match newMatch(final Segment pS) {
+ return ConnectedToReflexive.Match.newMatch(pS);
+ }
+
+ /**
+ * Retrieve the set of values that occur in matches for S.
+ * @return the Set of all values or empty set if there are no matches
+ *
+ */
+ protected Stream rawStreamAllValuesOfS(final Object[] parameters) {
+ return rawStreamAllValues(POSITION_S, parameters).map(Segment.class::cast);
+ }
+
+ /**
+ * Retrieve the set of values that occur in matches for S.
+ * @return the Set of all values or empty set if there are no matches
+ *
+ */
+ public Set getAllValuesOfS() {
+ return rawStreamAllValuesOfS(emptyArray()).collect(Collectors.toSet());
+ }
+
+ /**
+ * Retrieve the set of values that occur in matches for S.
+ * @return the Set of all values or empty set if there are no matches
+ *
+ */
+ public Stream streamAllValuesOfS() {
+ return rawStreamAllValuesOfS(emptyArray());
+ }
+
+ @Override
+ protected ConnectedToReflexive.Match tupleToMatch(final Tuple t) {
+ try {
+ return ConnectedToReflexive.Match.newMatch((Segment) t.get(POSITION_S));
+ } catch(ClassCastException e) {
+ LOGGER.error("Element(s) in tuple not properly typed!",e);
+ return null;
+ }
+ }
+
+ @Override
+ protected ConnectedToReflexive.Match arrayToMatch(final Object[] match) {
+ try {
+ return ConnectedToReflexive.Match.newMatch((Segment) match[POSITION_S]);
+ } catch(ClassCastException e) {
+ LOGGER.error("Element(s) in array not properly typed!",e);
+ return null;
+ }
+ }
+
+ @Override
+ protected ConnectedToReflexive.Match arrayToMatchMutable(final Object[] match) {
+ try {
+ return ConnectedToReflexive.Match.newMutableMatch((Segment) match[POSITION_S]);
+ } catch(ClassCastException e) {
+ LOGGER.error("Element(s) in array not properly typed!",e);
+ return null;
+ }
+ }
+
+ /**
+ * @return the singleton instance of the query specification of this pattern
+ * @throws ViatraQueryRuntimeException if the pattern definition could not be loaded
+ *
+ */
+ public static IQuerySpecification querySpecification() {
+ return ConnectedToReflexive.instance();
+ }
+ }
+
+ private ConnectedToReflexive() {
+ super(GeneratedPQuery.INSTANCE);
+ }
+
+ /**
+ * @return the singleton instance of the query specification
+ * @throws ViatraQueryRuntimeException if the pattern definition could not be loaded
+ *
+ */
+ public static ConnectedToReflexive instance() {
+ try{
+ return LazyHolder.INSTANCE;
+ } catch (ExceptionInInitializerError err) {
+ throw processInitializerError(err);
+ }
+ }
+
+ @Override
+ protected ConnectedToReflexive.Matcher instantiate(final ViatraQueryEngine engine) {
+ return ConnectedToReflexive.Matcher.on(engine);
+ }
+
+ @Override
+ public ConnectedToReflexive.Matcher instantiate() {
+ return ConnectedToReflexive.Matcher.create();
+ }
+
+ @Override
+ public ConnectedToReflexive.Match newEmptyMatch() {
+ return ConnectedToReflexive.Match.newEmptyMatch();
+ }
+
+ @Override
+ public ConnectedToReflexive.Match newMatch(final Object... parameters) {
+ return ConnectedToReflexive.Match.newMatch((modes3.Segment) parameters[0]);
+ }
+
+ /**
+ * Inner class allowing the singleton instance of {@link ConnectedToReflexive} to be created
+ * not at the class load time of the outer class,
+ * but rather at the first call to {@link ConnectedToReflexive#instance()}.
+ *
+ * This workaround is required e.g. to support recursion.
+ *
+ */
+ private static class LazyHolder {
+ private static final ConnectedToReflexive INSTANCE = new ConnectedToReflexive();
+
+ /**
+ * Statically initializes the query specification after the field {@link #INSTANCE} is assigned.
+ * This initialization order is required to support indirect recursion.
+ *
+ *
The static initializer is defined using a helper field to work around limitations of the code generator.
+ *
+ */
+ private static final Object STATIC_INITIALIZER = ensureInitialized();
+
+ public static Object ensureInitialized() {
+ INSTANCE.ensureInitializedInternal();
+ return null;
+ }
+ }
+
+ private static class GeneratedPQuery extends BaseGeneratedEMFPQuery {
+ private static final ConnectedToReflexive.GeneratedPQuery INSTANCE = new GeneratedPQuery();
+
+ private final PParameter parameter_S = new PParameter("S", "modes3.Segment", new EClassTransitiveInstancesKey((EClass)getClassifierLiteralSafe("http://www.ece.mcgill.ca/wcet/modes3", "Segment")), PParameterDirection.INOUT);
+
+ private final List parameters = Arrays.asList(parameter_S);
+
+ private GeneratedPQuery() {
+ super(PVisibility.PUBLIC);
+ }
+
+ @Override
+ public String getFullyQualifiedName() {
+ return "modes3.queries.connectedToReflexive";
+ }
+
+ @Override
+ public List getParameterNames() {
+ return Arrays.asList("S");
+ }
+
+ @Override
+ public List getParameters() {
+ return parameters;
+ }
+
+ @Override
+ public Set doGetContainedBodies() {
+ setEvaluationHints(new QueryEvaluationHint(null, QueryEvaluationHint.BackendRequirement.UNSPECIFIED));
+ Set bodies = new LinkedHashSet<>();
+ {
+ PBody body = new PBody(this);
+ PVariable var_S = body.getOrCreateVariableByName("S");
+ new TypeConstraint(body, Tuples.flatTupleOf(var_S), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("http://www.ece.mcgill.ca/wcet/modes3", "Segment")));
+ body.setSymbolicParameters(Arrays.asList(
+ new ExportedParameter(body, var_S, parameter_S)
+ ));
+ // Segment.connectedTo(S, S)
+ new TypeConstraint(body, Tuples.flatTupleOf(var_S), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("http://www.ece.mcgill.ca/wcet/modes3", "Segment")));
+ PVariable var__virtual_0_ = body.getOrCreateVariableByName(".virtual{0}");
+ new TypeConstraint(body, Tuples.flatTupleOf(var_S, var__virtual_0_), new EStructuralFeatureInstancesKey(getFeatureLiteral("http://www.ece.mcgill.ca/wcet/modes3", "Segment", "connectedTo")));
+ new TypeConstraint(body, Tuples.flatTupleOf(var__virtual_0_), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("http://www.ece.mcgill.ca/wcet/modes3", "Segment")));
+ new Equality(body, var__virtual_0_, var_S);
+ bodies.add(body);
+ }
+ {
+ PAnnotation annotation = new PAnnotation("Constraint");
+ annotation.addAttribute("message", "connectedToReflexive");
+ annotation.addAttribute("severity", "error");
+ annotation.addAttribute("key", Arrays.asList(new Object[] {
+ new ParameterReference("S")
+ }));
+ addAnnotation(annotation);
+ }
+ return bodies;
+ }
+ }
+}
diff --git a/Domains/ca.mcgill.rtgmrt.example.modes3/vql-gen/modes3/queries/ExtraInputOfTurnout.java b/Domains/ca.mcgill.rtgmrt.example.modes3/vql-gen/modes3/queries/ExtraInputOfTurnout.java
new file mode 100644
index 00000000..62e2a54d
--- /dev/null
+++ b/Domains/ca.mcgill.rtgmrt.example.modes3/vql-gen/modes3/queries/ExtraInputOfTurnout.java
@@ -0,0 +1,730 @@
+/**
+ * Generated from platform:/resource/ca.mcgill.rtgmrt.example.modes3/src/modes3/queries/Modes3Queries.vql
+ */
+package modes3.queries;
+
+import java.util.Arrays;
+import java.util.Collection;
+import java.util.LinkedHashSet;
+import java.util.List;
+import java.util.Objects;
+import java.util.Optional;
+import java.util.Set;
+import java.util.function.Consumer;
+import java.util.stream.Collectors;
+import java.util.stream.Stream;
+import modes3.Segment;
+import modes3.Turnout;
+import modes3.queries.Output;
+import org.apache.log4j.Logger;
+import org.eclipse.emf.ecore.EClass;
+import org.eclipse.viatra.query.runtime.api.IPatternMatch;
+import org.eclipse.viatra.query.runtime.api.IQuerySpecification;
+import org.eclipse.viatra.query.runtime.api.ViatraQueryEngine;
+import org.eclipse.viatra.query.runtime.api.impl.BaseGeneratedEMFPQuery;
+import org.eclipse.viatra.query.runtime.api.impl.BaseGeneratedEMFQuerySpecification;
+import org.eclipse.viatra.query.runtime.api.impl.BaseMatcher;
+import org.eclipse.viatra.query.runtime.api.impl.BasePatternMatch;
+import org.eclipse.viatra.query.runtime.emf.types.EClassTransitiveInstancesKey;
+import org.eclipse.viatra.query.runtime.emf.types.EStructuralFeatureInstancesKey;
+import org.eclipse.viatra.query.runtime.matchers.backend.QueryEvaluationHint;
+import org.eclipse.viatra.query.runtime.matchers.psystem.PBody;
+import org.eclipse.viatra.query.runtime.matchers.psystem.PVariable;
+import org.eclipse.viatra.query.runtime.matchers.psystem.basicdeferred.Equality;
+import org.eclipse.viatra.query.runtime.matchers.psystem.basicdeferred.ExportedParameter;
+import org.eclipse.viatra.query.runtime.matchers.psystem.basicdeferred.Inequality;
+import org.eclipse.viatra.query.runtime.matchers.psystem.basicenumerables.PositivePatternCall;
+import org.eclipse.viatra.query.runtime.matchers.psystem.basicenumerables.TypeConstraint;
+import org.eclipse.viatra.query.runtime.matchers.psystem.queries.PParameter;
+import org.eclipse.viatra.query.runtime.matchers.psystem.queries.PParameterDirection;
+import org.eclipse.viatra.query.runtime.matchers.psystem.queries.PVisibility;
+import org.eclipse.viatra.query.runtime.matchers.tuple.Tuple;
+import org.eclipse.viatra.query.runtime.matchers.tuple.Tuples;
+import org.eclipse.viatra.query.runtime.util.ViatraQueryLoggingUtil;
+
+/**
+ * A pattern-specific query specification that can instantiate Matcher in a type-safe way.
+ *
+ * Original source:
+ *
+ * pattern extraInputOfTurnout(T : Turnout, S : Segment) {
+ * Turnout.straight(T, Straight);
+ * Turnout.divergent(T, Divergent);
+ * find output(S, T);
+ * S != Straight;
+ * S != Divergent;
+ * }
+ *
+ *
+ * @see Matcher
+ * @see Match
+ *
+ */
+@SuppressWarnings("all")
+public final class ExtraInputOfTurnout extends BaseGeneratedEMFQuerySpecification {
+ /**
+ * Pattern-specific match representation of the modes3.queries.extraInputOfTurnout pattern,
+ * to be used in conjunction with {@link Matcher}.
+ *
+ * Class fields correspond to parameters of the pattern. Fields with value null are considered unassigned.
+ * Each instance is a (possibly partial) substitution of pattern parameters,
+ * usable to represent a match of the pattern in the result of a query,
+ * or to specify the bound (fixed) input parameters when issuing a query.
+ *
+ * @see Matcher
+ *
+ */
+ public static abstract class Match extends BasePatternMatch {
+ private Turnout fT;
+
+ private Segment fS;
+
+ private static List parameterNames = makeImmutableList("T", "S");
+
+ private Match(final Turnout pT, final Segment pS) {
+ this.fT = pT;
+ this.fS = pS;
+ }
+
+ @Override
+ public Object get(final String parameterName) {
+ switch(parameterName) {
+ case "T": return this.fT;
+ case "S": return this.fS;
+ default: return null;
+ }
+ }
+
+ @Override
+ public Object get(final int index) {
+ switch(index) {
+ case 0: return this.fT;
+ case 1: return this.fS;
+ default: return null;
+ }
+ }
+
+ public Turnout getT() {
+ return this.fT;
+ }
+
+ public Segment getS() {
+ return this.fS;
+ }
+
+ @Override
+ public boolean set(final String parameterName, final Object newValue) {
+ if (!isMutable()) throw new java.lang.UnsupportedOperationException();
+ if ("T".equals(parameterName) ) {
+ this.fT = (Turnout) newValue;
+ return true;
+ }
+ if ("S".equals(parameterName) ) {
+ this.fS = (Segment) newValue;
+ return true;
+ }
+ return false;
+ }
+
+ public void setT(final Turnout pT) {
+ if (!isMutable()) throw new java.lang.UnsupportedOperationException();
+ this.fT = pT;
+ }
+
+ public void setS(final Segment pS) {
+ if (!isMutable()) throw new java.lang.UnsupportedOperationException();
+ this.fS = pS;
+ }
+
+ @Override
+ public String patternName() {
+ return "modes3.queries.extraInputOfTurnout";
+ }
+
+ @Override
+ public List parameterNames() {
+ return ExtraInputOfTurnout.Match.parameterNames;
+ }
+
+ @Override
+ public Object[] toArray() {
+ return new Object[]{fT, fS};
+ }
+
+ @Override
+ public ExtraInputOfTurnout.Match toImmutable() {
+ return isMutable() ? newMatch(fT, fS) : this;
+ }
+
+ @Override
+ public String prettyPrint() {
+ StringBuilder result = new StringBuilder();
+ result.append("\"T\"=" + prettyPrintValue(fT) + ", ");
+ result.append("\"S\"=" + prettyPrintValue(fS));
+ return result.toString();
+ }
+
+ @Override
+ public int hashCode() {
+ return Objects.hash(fT, fS);
+ }
+
+ @Override
+ public boolean equals(final Object obj) {
+ if (this == obj)
+ return true;
+ if (obj == null) {
+ return false;
+ }
+ if ((obj instanceof ExtraInputOfTurnout.Match)) {
+ ExtraInputOfTurnout.Match other = (ExtraInputOfTurnout.Match) obj;
+ return Objects.equals(fT, other.fT) && Objects.equals(fS, other.fS);
+ } else {
+ // this should be infrequent
+ if (!(obj instanceof IPatternMatch)) {
+ return false;
+ }
+ IPatternMatch otherSig = (IPatternMatch) obj;
+ return Objects.equals(specification(), otherSig.specification()) && Arrays.deepEquals(toArray(), otherSig.toArray());
+ }
+ }
+
+ @Override
+ public ExtraInputOfTurnout specification() {
+ return ExtraInputOfTurnout.instance();
+ }
+
+ /**
+ * Returns an empty, mutable match.
+ * Fields of the mutable match can be filled to create a partial match, usable as matcher input.
+ *
+ * @return the empty match.
+ *
+ */
+ public static ExtraInputOfTurnout.Match newEmptyMatch() {
+ return new Mutable(null, null);
+ }
+
+ /**
+ * Returns a mutable (partial) match.
+ * Fields of the mutable match can be filled to create a partial match, usable as matcher input.
+ *
+ * @param pT the fixed value of pattern parameter T, or null if not bound.
+ * @param pS the fixed value of pattern parameter S, or null if not bound.
+ * @return the new, mutable (partial) match object.
+ *
+ */
+ public static ExtraInputOfTurnout.Match newMutableMatch(final Turnout pT, final Segment pS) {
+ return new Mutable(pT, pS);
+ }
+
+ /**
+ * Returns a new (partial) match.
+ * This can be used e.g. to call the matcher with a partial match.
+ * The returned match will be immutable. Use {@link #newEmptyMatch()} to obtain a mutable match object.
+ * @param pT the fixed value of pattern parameter T, or null if not bound.
+ * @param pS the fixed value of pattern parameter S, or null if not bound.
+ * @return the (partial) match object.
+ *
+ */
+ public static ExtraInputOfTurnout.Match newMatch(final Turnout pT, final Segment pS) {
+ return new Immutable(pT, pS);
+ }
+
+ private static final class Mutable extends ExtraInputOfTurnout.Match {
+ Mutable(final Turnout pT, final Segment pS) {
+ super(pT, pS);
+ }
+
+ @Override
+ public boolean isMutable() {
+ return true;
+ }
+ }
+
+ private static final class Immutable extends ExtraInputOfTurnout.Match {
+ Immutable(final Turnout pT, final Segment pS) {
+ super(pT, pS);
+ }
+
+ @Override
+ public boolean isMutable() {
+ return false;
+ }
+ }
+ }
+
+ /**
+ * Generated pattern matcher API of the modes3.queries.extraInputOfTurnout pattern,
+ * providing pattern-specific query methods.
+ *
+ *
Use the pattern matcher on a given model via {@link #on(ViatraQueryEngine)},
+ * e.g. in conjunction with {@link ViatraQueryEngine#on(QueryScope)}.
+ *
+ *
Matches of the pattern will be represented as {@link Match}.
+ *
+ *
Original source:
+ *
+ * pattern extraInputOfTurnout(T : Turnout, S : Segment) {
+ * Turnout.straight(T, Straight);
+ * Turnout.divergent(T, Divergent);
+ * find output(S, T);
+ * S != Straight;
+ * S != Divergent;
+ * }
+ *
+ *
+ * @see Match
+ * @see ExtraInputOfTurnout
+ *
+ */
+ public static class Matcher extends BaseMatcher {
+ /**
+ * Initializes the pattern matcher within an existing VIATRA Query engine.
+ * If the pattern matcher is already constructed in the engine, only a light-weight reference is returned.
+ *
+ * @param engine the existing VIATRA Query engine in which this matcher will be created.
+ * @throws ViatraQueryRuntimeException if an error occurs during pattern matcher creation
+ *
+ */
+ public static ExtraInputOfTurnout.Matcher on(final ViatraQueryEngine engine) {
+ // check if matcher already exists
+ Matcher matcher = engine.getExistingMatcher(querySpecification());
+ if (matcher == null) {
+ matcher = (Matcher)engine.getMatcher(querySpecification());
+ }
+ return matcher;
+ }
+
+ /**
+ * @throws ViatraQueryRuntimeException if an error occurs during pattern matcher creation
+ * @return an initialized matcher
+ * @noreference This method is for internal matcher initialization by the framework, do not call it manually.
+ *
+ */
+ public static ExtraInputOfTurnout.Matcher create() {
+ return new Matcher();
+ }
+
+ private static final int POSITION_T = 0;
+
+ private static final int POSITION_S = 1;
+
+ private static final Logger LOGGER = ViatraQueryLoggingUtil.getLogger(ExtraInputOfTurnout.Matcher.class);
+
+ /**
+ * Initializes the pattern matcher within an existing VIATRA Query engine.
+ * If the pattern matcher is already constructed in the engine, only a light-weight reference is returned.
+ *
+ * @param engine the existing VIATRA Query engine in which this matcher will be created.
+ * @throws ViatraQueryRuntimeException if an error occurs during pattern matcher creation
+ *
+ */
+ private Matcher() {
+ super(querySpecification());
+ }
+
+ /**
+ * Returns the set of all matches of the pattern that conform to the given fixed values of some parameters.
+ * @param pT the fixed value of pattern parameter T, or null if not bound.
+ * @param pS the fixed value of pattern parameter S, or null if not bound.
+ * @return matches represented as a Match object.
+ *
+ */
+ public Collection getAllMatches(final Turnout pT, final Segment pS) {
+ return rawStreamAllMatches(new Object[]{pT, pS}).collect(Collectors.toSet());
+ }
+
+ /**
+ * Returns a stream of all matches of the pattern that conform to the given fixed values of some parameters.
+ *
+ * NOTE: It is important not to modify the source model while the stream is being processed.
+ * If the match set of the pattern changes during processing, the contents of the stream is undefined.
+ * In such cases, either rely on {@link #getAllMatches()} or collect the results of the stream in end-user code.
+ * @param pT the fixed value of pattern parameter T, or null if not bound.
+ * @param pS the fixed value of pattern parameter S, or null if not bound.
+ * @return a stream of matches represented as a Match object.
+ *
+ */
+ public Stream streamAllMatches(final Turnout pT, final Segment pS) {
+ return rawStreamAllMatches(new Object[]{pT, pS});
+ }
+
+ /**
+ * Returns an arbitrarily chosen match of the pattern that conforms to the given fixed values of some parameters.
+ * Neither determinism nor randomness of selection is guaranteed.
+ * @param pT the fixed value of pattern parameter T, or null if not bound.
+ * @param pS the fixed value of pattern parameter S, or null if not bound.
+ * @return a match represented as a Match object, or null if no match is found.
+ *
+ */
+ public Optional getOneArbitraryMatch(final Turnout pT, final Segment pS) {
+ return rawGetOneArbitraryMatch(new Object[]{pT, pS});
+ }
+
+ /**
+ * Indicates whether the given combination of specified pattern parameters constitute a valid pattern match,
+ * under any possible substitution of the unspecified parameters (if any).
+ * @param pT the fixed value of pattern parameter T, or null if not bound.
+ * @param pS the fixed value of pattern parameter S, or null if not bound.
+ * @return true if the input is a valid (partial) match of the pattern.
+ *
+ */
+ public boolean hasMatch(final Turnout pT, final Segment pS) {
+ return rawHasMatch(new Object[]{pT, pS});
+ }
+
+ /**
+ * Returns the number of all matches of the pattern that conform to the given fixed values of some parameters.
+ * @param pT the fixed value of pattern parameter T, or null if not bound.
+ * @param pS the fixed value of pattern parameter S, or null if not bound.
+ * @return the number of pattern matches found.
+ *
+ */
+ public int countMatches(final Turnout pT, final Segment pS) {
+ return rawCountMatches(new Object[]{pT, pS});
+ }
+
+ /**
+ * Executes the given processor on an arbitrarily chosen match of the pattern that conforms to the given fixed values of some parameters.
+ * Neither determinism nor randomness of selection is guaranteed.
+ * @param pT the fixed value of pattern parameter T, or null if not bound.
+ * @param pS the fixed value of pattern parameter S, or null if not bound.
+ * @param processor the action that will process the selected match.
+ * @return true if the pattern has at least one match with the given parameter values, false if the processor was not invoked
+ *
+ */
+ public boolean forOneArbitraryMatch(final Turnout pT, final Segment pS, final Consumer super ExtraInputOfTurnout.Match> processor) {
+ return rawForOneArbitraryMatch(new Object[]{pT, pS}, processor);
+ }
+
+ /**
+ * Returns a new (partial) match.
+ * This can be used e.g. to call the matcher with a partial match.
+ * The returned match will be immutable. Use {@link #newEmptyMatch()} to obtain a mutable match object.
+ * @param pT the fixed value of pattern parameter T, or null if not bound.
+ * @param pS the fixed value of pattern parameter S, or null if not bound.
+ * @return the (partial) match object.
+ *
+ */
+ public ExtraInputOfTurnout.Match newMatch(final Turnout pT, final Segment pS) {
+ return ExtraInputOfTurnout.Match.newMatch(pT, pS);
+ }
+
+ /**
+ * Retrieve the set of values that occur in matches for T.
+ * @return the Set of all values or empty set if there are no matches
+ *
+ */
+ protected Stream rawStreamAllValuesOfT(final Object[] parameters) {
+ return rawStreamAllValues(POSITION_T, parameters).map(Turnout.class::cast);
+ }
+
+ /**
+ * Retrieve the set of values that occur in matches for T.
+ * @return the Set of all values or empty set if there are no matches
+ *
+ */
+ public Set getAllValuesOfT() {
+ return rawStreamAllValuesOfT(emptyArray()).collect(Collectors.toSet());
+ }
+
+ /**
+ * Retrieve the set of values that occur in matches for T.
+ * @return the Set of all values or empty set if there are no matches
+ *
+ */
+ public Stream streamAllValuesOfT() {
+ return rawStreamAllValuesOfT(emptyArray());
+ }
+
+ /**
+ * Retrieve the set of values that occur in matches for T.
+ *
+ * NOTE: It is important not to modify the source model while the stream is being processed.
+ * If the match set of the pattern changes during processing, the contents of the stream is undefined.
+ * In such cases, either rely on {@link #getAllMatches()} or collect the results of the stream in end-user code.
+ *
+ * @return the Stream of all values or empty set if there are no matches
+ *
+ */
+ public Stream streamAllValuesOfT(final ExtraInputOfTurnout.Match partialMatch) {
+ return rawStreamAllValuesOfT(partialMatch.toArray());
+ }
+
+ /**
+ * Retrieve the set of values that occur in matches for T.
+ *
+ * NOTE: It is important not to modify the source model while the stream is being processed.
+ * If the match set of the pattern changes during processing, the contents of the stream is undefined.
+ * In such cases, either rely on {@link #getAllMatches()} or collect the results of the stream in end-user code.
+ *
+ * @return the Stream of all values or empty set if there are no matches
+ *
+ */
+ public Stream streamAllValuesOfT(final Segment pS) {
+ return rawStreamAllValuesOfT(new Object[]{null, pS});
+ }
+
+ /**
+ * Retrieve the set of values that occur in matches for T.
+ * @return the Set of all values or empty set if there are no matches
+ *
+ */
+ public Set getAllValuesOfT(final ExtraInputOfTurnout.Match partialMatch) {
+ return rawStreamAllValuesOfT(partialMatch.toArray()).collect(Collectors.toSet());
+ }
+
+ /**
+ * Retrieve the set of values that occur in matches for T.
+ * @return the Set of all values or empty set if there are no matches
+ *
+ */
+ public Set getAllValuesOfT(final Segment pS) {
+ return rawStreamAllValuesOfT(new Object[]{null, pS}).collect(Collectors.toSet());
+ }
+
+ /**
+ * Retrieve the set of values that occur in matches for S.
+ * @return the Set of all values or empty set if there are no matches
+ *
+ */
+ protected Stream rawStreamAllValuesOfS(final Object[] parameters) {
+ return rawStreamAllValues(POSITION_S, parameters).map(Segment.class::cast);
+ }
+
+ /**
+ * Retrieve the set of values that occur in matches for S.
+ * @return the Set of all values or empty set if there are no matches
+ *
+ */
+ public Set getAllValuesOfS() {
+ return rawStreamAllValuesOfS(emptyArray()).collect(Collectors.toSet());
+ }
+
+ /**
+ * Retrieve the set of values that occur in matches for S.
+ * @return the Set of all values or empty set if there are no matches
+ *
+ */
+ public Stream streamAllValuesOfS() {
+ return rawStreamAllValuesOfS(emptyArray());
+ }
+
+ /**
+ * Retrieve the set of values that occur in matches for S.
+ *
+ * NOTE: It is important not to modify the source model while the stream is being processed.
+ * If the match set of the pattern changes during processing, the contents of the stream is undefined.
+ * In such cases, either rely on {@link #getAllMatches()} or collect the results of the stream in end-user code.
+ *
+ * @return the Stream of all values or empty set if there are no matches
+ *
+ */
+ public Stream streamAllValuesOfS(final ExtraInputOfTurnout.Match partialMatch) {
+ return rawStreamAllValuesOfS(partialMatch.toArray());
+ }
+
+ /**
+ * Retrieve the set of values that occur in matches for S.
+ *
+ * NOTE: It is important not to modify the source model while the stream is being processed.
+ * If the match set of the pattern changes during processing, the contents of the stream is undefined.
+ * In such cases, either rely on {@link #getAllMatches()} or collect the results of the stream in end-user code.
+ *
+ * @return the Stream of all values or empty set if there are no matches
+ *
+ */
+ public Stream streamAllValuesOfS(final Turnout pT) {
+ return rawStreamAllValuesOfS(new Object[]{pT, null});
+ }
+
+ /**
+ * Retrieve the set of values that occur in matches for S.
+ * @return the Set of all values or empty set if there are no matches
+ *
+ */
+ public Set getAllValuesOfS(final ExtraInputOfTurnout.Match partialMatch) {
+ return rawStreamAllValuesOfS(partialMatch.toArray()).collect(Collectors.toSet());
+ }
+
+ /**
+ * Retrieve the set of values that occur in matches for S.
+ * @return the Set of all values or empty set if there are no matches
+ *
+ */
+ public Set getAllValuesOfS(final Turnout pT) {
+ return rawStreamAllValuesOfS(new Object[]{pT, null}).collect(Collectors.toSet());
+ }
+
+ @Override
+ protected ExtraInputOfTurnout.Match tupleToMatch(final Tuple t) {
+ try {
+ return ExtraInputOfTurnout.Match.newMatch((Turnout) t.get(POSITION_T), (Segment) t.get(POSITION_S));
+ } catch(ClassCastException e) {
+ LOGGER.error("Element(s) in tuple not properly typed!",e);
+ return null;
+ }
+ }
+
+ @Override
+ protected ExtraInputOfTurnout.Match arrayToMatch(final Object[] match) {
+ try {
+ return ExtraInputOfTurnout.Match.newMatch((Turnout) match[POSITION_T], (Segment) match[POSITION_S]);
+ } catch(ClassCastException e) {
+ LOGGER.error("Element(s) in array not properly typed!",e);
+ return null;
+ }
+ }
+
+ @Override
+ protected ExtraInputOfTurnout.Match arrayToMatchMutable(final Object[] match) {
+ try {
+ return ExtraInputOfTurnout.Match.newMutableMatch((Turnout) match[POSITION_T], (Segment) match[POSITION_S]);
+ } catch(ClassCastException e) {
+ LOGGER.error("Element(s) in array not properly typed!",e);
+ return null;
+ }
+ }
+
+ /**
+ * @return the singleton instance of the query specification of this pattern
+ * @throws ViatraQueryRuntimeException if the pattern definition could not be loaded
+ *
+ */
+ public static IQuerySpecification querySpecification() {
+ return ExtraInputOfTurnout.instance();
+ }
+ }
+
+ private ExtraInputOfTurnout() {
+ super(GeneratedPQuery.INSTANCE);
+ }
+
+ /**
+ * @return the singleton instance of the query specification
+ * @throws ViatraQueryRuntimeException if the pattern definition could not be loaded
+ *
+ */
+ public static ExtraInputOfTurnout instance() {
+ try{
+ return LazyHolder.INSTANCE;
+ } catch (ExceptionInInitializerError err) {
+ throw processInitializerError(err);
+ }
+ }
+
+ @Override
+ protected ExtraInputOfTurnout.Matcher instantiate(final ViatraQueryEngine engine) {
+ return ExtraInputOfTurnout.Matcher.on(engine);
+ }
+
+ @Override
+ public ExtraInputOfTurnout.Matcher instantiate() {
+ return ExtraInputOfTurnout.Matcher.create();
+ }
+
+ @Override
+ public ExtraInputOfTurnout.Match newEmptyMatch() {
+ return ExtraInputOfTurnout.Match.newEmptyMatch();
+ }
+
+ @Override
+ public ExtraInputOfTurnout.Match newMatch(final Object... parameters) {
+ return ExtraInputOfTurnout.Match.newMatch((modes3.Turnout) parameters[0], (modes3.Segment) parameters[1]);
+ }
+
+ /**
+ * Inner class allowing the singleton instance of {@link ExtraInputOfTurnout} to be created
+ * not at the class load time of the outer class,
+ * but rather at the first call to {@link ExtraInputOfTurnout#instance()}.
+ *
+ * This workaround is required e.g. to support recursion.
+ *
+ */
+ private static class LazyHolder {
+ private static final ExtraInputOfTurnout INSTANCE = new ExtraInputOfTurnout();
+
+ /**
+ * Statically initializes the query specification after the field {@link #INSTANCE} is assigned.
+ * This initialization order is required to support indirect recursion.
+ *
+ *
The static initializer is defined using a helper field to work around limitations of the code generator.
+ *
+ */
+ private static final Object STATIC_INITIALIZER = ensureInitialized();
+
+ public static Object ensureInitialized() {
+ INSTANCE.ensureInitializedInternal();
+ return null;
+ }
+ }
+
+ private static class GeneratedPQuery extends BaseGeneratedEMFPQuery {
+ private static final ExtraInputOfTurnout.GeneratedPQuery INSTANCE = new GeneratedPQuery();
+
+ private final PParameter parameter_T = new PParameter("T", "modes3.Turnout", new EClassTransitiveInstancesKey((EClass)getClassifierLiteralSafe("http://www.ece.mcgill.ca/wcet/modes3", "Turnout")), PParameterDirection.INOUT);
+
+ private final PParameter parameter_S = new PParameter("S", "modes3.Segment", new EClassTransitiveInstancesKey((EClass)getClassifierLiteralSafe("http://www.ece.mcgill.ca/wcet/modes3", "Segment")), PParameterDirection.INOUT);
+
+ private final List parameters = Arrays.asList(parameter_T, parameter_S);
+
+ private GeneratedPQuery() {
+ super(PVisibility.PUBLIC);
+ }
+
+ @Override
+ public String getFullyQualifiedName() {
+ return "modes3.queries.extraInputOfTurnout";
+ }
+
+ @Override
+ public List getParameterNames() {
+ return Arrays.asList("T","S");
+ }
+
+ @Override
+ public List getParameters() {
+ return parameters;
+ }
+
+ @Override
+ public Set doGetContainedBodies() {
+ setEvaluationHints(new QueryEvaluationHint(null, QueryEvaluationHint.BackendRequirement.UNSPECIFIED));
+ Set bodies = new LinkedHashSet<>();
+ {
+ PBody body = new PBody(this);
+ PVariable var_T = body.getOrCreateVariableByName("T");
+ PVariable var_S = body.getOrCreateVariableByName("S");
+ PVariable var_Straight = body.getOrCreateVariableByName("Straight");
+ PVariable var_Divergent = body.getOrCreateVariableByName("Divergent");
+ new TypeConstraint(body, Tuples.flatTupleOf(var_T), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("http://www.ece.mcgill.ca/wcet/modes3", "Turnout")));
+ new TypeConstraint(body, Tuples.flatTupleOf(var_S), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("http://www.ece.mcgill.ca/wcet/modes3", "Segment")));
+ body.setSymbolicParameters(Arrays.asList(
+ new ExportedParameter(body, var_T, parameter_T),
+ new ExportedParameter(body, var_S, parameter_S)
+ ));
+ // Turnout.straight(T, Straight)
+ new TypeConstraint(body, Tuples.flatTupleOf(var_T), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("http://www.ece.mcgill.ca/wcet/modes3", "Turnout")));
+ PVariable var__virtual_0_ = body.getOrCreateVariableByName(".virtual{0}");
+ new TypeConstraint(body, Tuples.flatTupleOf(var_T, var__virtual_0_), new EStructuralFeatureInstancesKey(getFeatureLiteral("http://www.ece.mcgill.ca/wcet/modes3", "Turnout", "straight")));
+ new TypeConstraint(body, Tuples.flatTupleOf(var__virtual_0_), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("http://www.ece.mcgill.ca/wcet/modes3", "Segment")));
+ new Equality(body, var__virtual_0_, var_Straight);
+ // Turnout.divergent(T, Divergent)
+ new TypeConstraint(body, Tuples.flatTupleOf(var_T), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("http://www.ece.mcgill.ca/wcet/modes3", "Turnout")));
+ PVariable var__virtual_1_ = body.getOrCreateVariableByName(".virtual{1}");
+ new TypeConstraint(body, Tuples.flatTupleOf(var_T, var__virtual_1_), new EStructuralFeatureInstancesKey(getFeatureLiteral("http://www.ece.mcgill.ca/wcet/modes3", "Turnout", "divergent")));
+ new TypeConstraint(body, Tuples.flatTupleOf(var__virtual_1_), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("http://www.ece.mcgill.ca/wcet/modes3", "Segment")));
+ new Equality(body, var__virtual_1_, var_Divergent);
+ // find output(S, T)
+ new PositivePatternCall(body, Tuples.flatTupleOf(var_S, var_T), Output.instance().getInternalQueryRepresentation());
+ // S != Straight
+ new Inequality(body, var_S, var_Straight);
+ // S != Divergent
+ new Inequality(body, var_S, var_Divergent);
+ bodies.add(body);
+ }
+ return bodies;
+ }
+ }
+}
diff --git a/Domains/ca.mcgill.rtgmrt.example.modes3/vql-gen/modes3/queries/Modes3Queries.java b/Domains/ca.mcgill.rtgmrt.example.modes3/vql-gen/modes3/queries/Modes3Queries.java
new file mode 100644
index 00000000..01ec77a1
--- /dev/null
+++ b/Domains/ca.mcgill.rtgmrt.example.modes3/vql-gen/modes3/queries/Modes3Queries.java
@@ -0,0 +1,229 @@
+/**
+ * Generated from platform:/resource/ca.mcgill.rtgmrt.example.modes3/src/modes3/queries/Modes3Queries.vql
+ */
+package modes3.queries;
+
+import modes3.queries.Adjacent;
+import modes3.queries.ConnectedTo;
+import modes3.queries.ConnectedToNotSymmetric;
+import modes3.queries.ConnectedToReflexive;
+import modes3.queries.ExtraInputOfTurnout;
+import modes3.queries.NoExtraInputOfTurnout;
+import modes3.queries.Output;
+import modes3.queries.OutputReflexive;
+import modes3.queries.Reachable;
+import modes3.queries.TooManyExtraInputsOfTurnout;
+import modes3.queries.TooManyInputsOfSegment;
+import modes3.queries.Turnout;
+import modes3.queries.TurnoutConnectedToBothOutputs;
+import modes3.queries.TurnoutInSegments;
+import modes3.queries.TurnoutOutput;
+import modes3.queries.TurnoutOutputsAreSame;
+import modes3.queries.Unreachable;
+import org.eclipse.viatra.query.runtime.api.ViatraQueryEngine;
+import org.eclipse.viatra.query.runtime.api.impl.BaseGeneratedPatternGroup;
+
+/**
+ * A pattern group formed of all public patterns defined in Modes3Queries.vql.
+ *
+ * Use the static instance as any {@link interface org.eclipse.viatra.query.runtime.api.IQueryGroup}, to conveniently prepare
+ * a VIATRA Query engine for matching all patterns originally defined in file Modes3Queries.vql,
+ * in order to achieve better performance than one-by-one on-demand matcher initialization.
+ *
+ *
From package modes3.queries, the group contains the definition of the following patterns:
+ * - turnoutInSegments
+ * - connectedTo
+ * - connectedToNotSymmetric
+ * - connectedToReflexive
+ * - turnoutOutput
+ * - outputReflexive
+ * - turnoutOutputsAreSame
+ * - turnout
+ * - output
+ * - tooManyInputsOfSegment
+ * - turnoutConnectedToBothOutputs
+ * - extraInputOfTurnout
+ * - noExtraInputOfTurnout
+ * - tooManyExtraInputsOfTurnout
+ * - adjacent
+ * - reachable
+ * - unreachable
+ *
+ *
+ * @see IQueryGroup
+ *
+ */
+@SuppressWarnings("all")
+public final class Modes3Queries extends BaseGeneratedPatternGroup {
+ /**
+ * Access the pattern group.
+ *
+ * @return the singleton instance of the group
+ * @throws ViatraQueryRuntimeException if there was an error loading the generated code of pattern specifications
+ *
+ */
+ public static Modes3Queries instance() {
+ if (INSTANCE == null) {
+ INSTANCE = new Modes3Queries();
+ }
+ return INSTANCE;
+ }
+
+ private static Modes3Queries INSTANCE;
+
+ private Modes3Queries() {
+ querySpecifications.add(TurnoutInSegments.instance());
+ querySpecifications.add(ConnectedTo.instance());
+ querySpecifications.add(ConnectedToNotSymmetric.instance());
+ querySpecifications.add(ConnectedToReflexive.instance());
+ querySpecifications.add(TurnoutOutput.instance());
+ querySpecifications.add(OutputReflexive.instance());
+ querySpecifications.add(TurnoutOutputsAreSame.instance());
+ querySpecifications.add(Turnout.instance());
+ querySpecifications.add(Output.instance());
+ querySpecifications.add(TooManyInputsOfSegment.instance());
+ querySpecifications.add(TurnoutConnectedToBothOutputs.instance());
+ querySpecifications.add(ExtraInputOfTurnout.instance());
+ querySpecifications.add(NoExtraInputOfTurnout.instance());
+ querySpecifications.add(TooManyExtraInputsOfTurnout.instance());
+ querySpecifications.add(Adjacent.instance());
+ querySpecifications.add(Reachable.instance());
+ querySpecifications.add(Unreachable.instance());
+ }
+
+ public TurnoutInSegments getTurnoutInSegments() {
+ return TurnoutInSegments.instance();
+ }
+
+ public TurnoutInSegments.Matcher getTurnoutInSegments(final ViatraQueryEngine engine) {
+ return TurnoutInSegments.Matcher.on(engine);
+ }
+
+ public ConnectedTo getConnectedTo() {
+ return ConnectedTo.instance();
+ }
+
+ public ConnectedTo.Matcher getConnectedTo(final ViatraQueryEngine engine) {
+ return ConnectedTo.Matcher.on(engine);
+ }
+
+ public ConnectedToNotSymmetric getConnectedToNotSymmetric() {
+ return ConnectedToNotSymmetric.instance();
+ }
+
+ public ConnectedToNotSymmetric.Matcher getConnectedToNotSymmetric(final ViatraQueryEngine engine) {
+ return ConnectedToNotSymmetric.Matcher.on(engine);
+ }
+
+ public ConnectedToReflexive getConnectedToReflexive() {
+ return ConnectedToReflexive.instance();
+ }
+
+ public ConnectedToReflexive.Matcher getConnectedToReflexive(final ViatraQueryEngine engine) {
+ return ConnectedToReflexive.Matcher.on(engine);
+ }
+
+ public TurnoutOutput getTurnoutOutput() {
+ return TurnoutOutput.instance();
+ }
+
+ public TurnoutOutput.Matcher getTurnoutOutput(final ViatraQueryEngine engine) {
+ return TurnoutOutput.Matcher.on(engine);
+ }
+
+ public OutputReflexive getOutputReflexive() {
+ return OutputReflexive.instance();
+ }
+
+ public OutputReflexive.Matcher getOutputReflexive(final ViatraQueryEngine engine) {
+ return OutputReflexive.Matcher.on(engine);
+ }
+
+ public TurnoutOutputsAreSame getTurnoutOutputsAreSame() {
+ return TurnoutOutputsAreSame.instance();
+ }
+
+ public TurnoutOutputsAreSame.Matcher getTurnoutOutputsAreSame(final ViatraQueryEngine engine) {
+ return TurnoutOutputsAreSame.Matcher.on(engine);
+ }
+
+ public Turnout getTurnout() {
+ return Turnout.instance();
+ }
+
+ public Turnout.Matcher getTurnout(final ViatraQueryEngine engine) {
+ return Turnout.Matcher.on(engine);
+ }
+
+ public Output getOutput() {
+ return Output.instance();
+ }
+
+ public Output.Matcher getOutput(final ViatraQueryEngine engine) {
+ return Output.Matcher.on(engine);
+ }
+
+ public TooManyInputsOfSegment getTooManyInputsOfSegment() {
+ return TooManyInputsOfSegment.instance();
+ }
+
+ public TooManyInputsOfSegment.Matcher getTooManyInputsOfSegment(final ViatraQueryEngine engine) {
+ return TooManyInputsOfSegment.Matcher.on(engine);
+ }
+
+ public TurnoutConnectedToBothOutputs getTurnoutConnectedToBothOutputs() {
+ return TurnoutConnectedToBothOutputs.instance();
+ }
+
+ public TurnoutConnectedToBothOutputs.Matcher getTurnoutConnectedToBothOutputs(final ViatraQueryEngine engine) {
+ return TurnoutConnectedToBothOutputs.Matcher.on(engine);
+ }
+
+ public ExtraInputOfTurnout getExtraInputOfTurnout() {
+ return ExtraInputOfTurnout.instance();
+ }
+
+ public ExtraInputOfTurnout.Matcher getExtraInputOfTurnout(final ViatraQueryEngine engine) {
+ return ExtraInputOfTurnout.Matcher.on(engine);
+ }
+
+ public NoExtraInputOfTurnout getNoExtraInputOfTurnout() {
+ return NoExtraInputOfTurnout.instance();
+ }
+
+ public NoExtraInputOfTurnout.Matcher getNoExtraInputOfTurnout(final ViatraQueryEngine engine) {
+ return NoExtraInputOfTurnout.Matcher.on(engine);
+ }
+
+ public TooManyExtraInputsOfTurnout getTooManyExtraInputsOfTurnout() {
+ return TooManyExtraInputsOfTurnout.instance();
+ }
+
+ public TooManyExtraInputsOfTurnout.Matcher getTooManyExtraInputsOfTurnout(final ViatraQueryEngine engine) {
+ return TooManyExtraInputsOfTurnout.Matcher.on(engine);
+ }
+
+ public Adjacent getAdjacent() {
+ return Adjacent.instance();
+ }
+
+ public Adjacent.Matcher getAdjacent(final ViatraQueryEngine engine) {
+ return Adjacent.Matcher.on(engine);
+ }
+
+ public Reachable getReachable() {
+ return Reachable.instance();
+ }
+
+ public Reachable.Matcher getReachable(final ViatraQueryEngine engine) {
+ return Reachable.Matcher.on(engine);
+ }
+
+ public Unreachable getUnreachable() {
+ return Unreachable.instance();
+ }
+
+ public Unreachable.Matcher getUnreachable(final ViatraQueryEngine engine) {
+ return Unreachable.Matcher.on(engine);
+ }
+}
diff --git a/Domains/ca.mcgill.rtgmrt.example.modes3/vql-gen/modes3/queries/NoExtraInputOfTurnout.java b/Domains/ca.mcgill.rtgmrt.example.modes3/vql-gen/modes3/queries/NoExtraInputOfTurnout.java
new file mode 100644
index 00000000..621d736f
--- /dev/null
+++ b/Domains/ca.mcgill.rtgmrt.example.modes3/vql-gen/modes3/queries/NoExtraInputOfTurnout.java
@@ -0,0 +1,560 @@
+/**
+ * Generated from platform:/resource/ca.mcgill.rtgmrt.example.modes3/src/modes3/queries/Modes3Queries.vql
+ */
+package modes3.queries;
+
+import java.util.Arrays;
+import java.util.Collection;
+import java.util.LinkedHashSet;
+import java.util.List;
+import java.util.Objects;
+import java.util.Optional;
+import java.util.Set;
+import java.util.function.Consumer;
+import java.util.stream.Collectors;
+import java.util.stream.Stream;
+import modes3.Turnout;
+import modes3.queries.ExtraInputOfTurnout;
+import org.apache.log4j.Logger;
+import org.eclipse.emf.ecore.EClass;
+import org.eclipse.viatra.query.runtime.api.IPatternMatch;
+import org.eclipse.viatra.query.runtime.api.IQuerySpecification;
+import org.eclipse.viatra.query.runtime.api.ViatraQueryEngine;
+import org.eclipse.viatra.query.runtime.api.impl.BaseGeneratedEMFPQuery;
+import org.eclipse.viatra.query.runtime.api.impl.BaseGeneratedEMFQuerySpecification;
+import org.eclipse.viatra.query.runtime.api.impl.BaseMatcher;
+import org.eclipse.viatra.query.runtime.api.impl.BasePatternMatch;
+import org.eclipse.viatra.query.runtime.emf.types.EClassTransitiveInstancesKey;
+import org.eclipse.viatra.query.runtime.matchers.backend.QueryEvaluationHint;
+import org.eclipse.viatra.query.runtime.matchers.psystem.PBody;
+import org.eclipse.viatra.query.runtime.matchers.psystem.PVariable;
+import org.eclipse.viatra.query.runtime.matchers.psystem.annotations.PAnnotation;
+import org.eclipse.viatra.query.runtime.matchers.psystem.annotations.ParameterReference;
+import org.eclipse.viatra.query.runtime.matchers.psystem.basicdeferred.ExportedParameter;
+import org.eclipse.viatra.query.runtime.matchers.psystem.basicdeferred.NegativePatternCall;
+import org.eclipse.viatra.query.runtime.matchers.psystem.basicenumerables.TypeConstraint;
+import org.eclipse.viatra.query.runtime.matchers.psystem.queries.PParameter;
+import org.eclipse.viatra.query.runtime.matchers.psystem.queries.PParameterDirection;
+import org.eclipse.viatra.query.runtime.matchers.psystem.queries.PVisibility;
+import org.eclipse.viatra.query.runtime.matchers.tuple.Tuple;
+import org.eclipse.viatra.query.runtime.matchers.tuple.Tuples;
+import org.eclipse.viatra.query.runtime.util.ViatraQueryLoggingUtil;
+
+/**
+ * A pattern-specific query specification that can instantiate Matcher in a type-safe way.
+ *
+ * Original source:
+ *
+ * {@literal @}Constraint(message = "noExtraInputOfTurnout", severity = "error", key = { T })
+ * pattern noExtraInputOfTurnout(T : Turnout) {
+ * neg find extraInputOfTurnout(T, _);
+ * }
+ *
+ *
+ * @see Matcher
+ * @see Match
+ *
+ */
+@SuppressWarnings("all")
+public final class NoExtraInputOfTurnout extends BaseGeneratedEMFQuerySpecification {
+ /**
+ * Pattern-specific match representation of the modes3.queries.noExtraInputOfTurnout pattern,
+ * to be used in conjunction with {@link Matcher}.
+ *
+ * Class fields correspond to parameters of the pattern. Fields with value null are considered unassigned.
+ * Each instance is a (possibly partial) substitution of pattern parameters,
+ * usable to represent a match of the pattern in the result of a query,
+ * or to specify the bound (fixed) input parameters when issuing a query.
+ *
+ * @see Matcher
+ *
+ */
+ public static abstract class Match extends BasePatternMatch {
+ private Turnout fT;
+
+ private static List parameterNames = makeImmutableList("T");
+
+ private Match(final Turnout pT) {
+ this.fT = pT;
+ }
+
+ @Override
+ public Object get(final String parameterName) {
+ switch(parameterName) {
+ case "T": return this.fT;
+ default: return null;
+ }
+ }
+
+ @Override
+ public Object get(final int index) {
+ switch(index) {
+ case 0: return this.fT;
+ default: return null;
+ }
+ }
+
+ public Turnout getT() {
+ return this.fT;
+ }
+
+ @Override
+ public boolean set(final String parameterName, final Object newValue) {
+ if (!isMutable()) throw new java.lang.UnsupportedOperationException();
+ if ("T".equals(parameterName) ) {
+ this.fT = (Turnout) newValue;
+ return true;
+ }
+ return false;
+ }
+
+ public void setT(final Turnout pT) {
+ if (!isMutable()) throw new java.lang.UnsupportedOperationException();
+ this.fT = pT;
+ }
+
+ @Override
+ public String patternName() {
+ return "modes3.queries.noExtraInputOfTurnout";
+ }
+
+ @Override
+ public List parameterNames() {
+ return NoExtraInputOfTurnout.Match.parameterNames;
+ }
+
+ @Override
+ public Object[] toArray() {
+ return new Object[]{fT};
+ }
+
+ @Override
+ public NoExtraInputOfTurnout.Match toImmutable() {
+ return isMutable() ? newMatch(fT) : this;
+ }
+
+ @Override
+ public String prettyPrint() {
+ StringBuilder result = new StringBuilder();
+ result.append("\"T\"=" + prettyPrintValue(fT));
+ return result.toString();
+ }
+
+ @Override
+ public int hashCode() {
+ return Objects.hash(fT);
+ }
+
+ @Override
+ public boolean equals(final Object obj) {
+ if (this == obj)
+ return true;
+ if (obj == null) {
+ return false;
+ }
+ if ((obj instanceof NoExtraInputOfTurnout.Match)) {
+ NoExtraInputOfTurnout.Match other = (NoExtraInputOfTurnout.Match) obj;
+ return Objects.equals(fT, other.fT);
+ } else {
+ // this should be infrequent
+ if (!(obj instanceof IPatternMatch)) {
+ return false;
+ }
+ IPatternMatch otherSig = (IPatternMatch) obj;
+ return Objects.equals(specification(), otherSig.specification()) && Arrays.deepEquals(toArray(), otherSig.toArray());
+ }
+ }
+
+ @Override
+ public NoExtraInputOfTurnout specification() {
+ return NoExtraInputOfTurnout.instance();
+ }
+
+ /**
+ * Returns an empty, mutable match.
+ * Fields of the mutable match can be filled to create a partial match, usable as matcher input.
+ *
+ * @return the empty match.
+ *
+ */
+ public static NoExtraInputOfTurnout.Match newEmptyMatch() {
+ return new Mutable(null);
+ }
+
+ /**
+ * Returns a mutable (partial) match.
+ * Fields of the mutable match can be filled to create a partial match, usable as matcher input.
+ *
+ * @param pT the fixed value of pattern parameter T, or null if not bound.
+ * @return the new, mutable (partial) match object.
+ *
+ */
+ public static NoExtraInputOfTurnout.Match newMutableMatch(final Turnout pT) {
+ return new Mutable(pT);
+ }
+
+ /**
+ * Returns a new (partial) match.
+ * This can be used e.g. to call the matcher with a partial match.
+ * The returned match will be immutable. Use {@link #newEmptyMatch()} to obtain a mutable match object.
+ * @param pT the fixed value of pattern parameter T, or null if not bound.
+ * @return the (partial) match object.
+ *
+ */
+ public static NoExtraInputOfTurnout.Match newMatch(final Turnout pT) {
+ return new Immutable(pT);
+ }
+
+ private static final class Mutable extends NoExtraInputOfTurnout.Match {
+ Mutable(final Turnout pT) {
+ super(pT);
+ }
+
+ @Override
+ public boolean isMutable() {
+ return true;
+ }
+ }
+
+ private static final class Immutable extends NoExtraInputOfTurnout.Match {
+ Immutable(final Turnout pT) {
+ super(pT);
+ }
+
+ @Override
+ public boolean isMutable() {
+ return false;
+ }
+ }
+ }
+
+ /**
+ * Generated pattern matcher API of the modes3.queries.noExtraInputOfTurnout pattern,
+ * providing pattern-specific query methods.
+ *
+ *
Use the pattern matcher on a given model via {@link #on(ViatraQueryEngine)},
+ * e.g. in conjunction with {@link ViatraQueryEngine#on(QueryScope)}.
+ *
+ *
Matches of the pattern will be represented as {@link Match}.
+ *
+ *
Original source:
+ *
+ * {@literal @}Constraint(message = "noExtraInputOfTurnout", severity = "error", key = { T })
+ * pattern noExtraInputOfTurnout(T : Turnout) {
+ * neg find extraInputOfTurnout(T, _);
+ * }
+ *
+ *
+ * @see Match
+ * @see NoExtraInputOfTurnout
+ *
+ */
+ public static class Matcher extends BaseMatcher {
+ /**
+ * Initializes the pattern matcher within an existing VIATRA Query engine.
+ * If the pattern matcher is already constructed in the engine, only a light-weight reference is returned.
+ *
+ * @param engine the existing VIATRA Query engine in which this matcher will be created.
+ * @throws ViatraQueryRuntimeException if an error occurs during pattern matcher creation
+ *
+ */
+ public static NoExtraInputOfTurnout.Matcher on(final ViatraQueryEngine engine) {
+ // check if matcher already exists
+ Matcher matcher = engine.getExistingMatcher(querySpecification());
+ if (matcher == null) {
+ matcher = (Matcher)engine.getMatcher(querySpecification());
+ }
+ return matcher;
+ }
+
+ /**
+ * @throws ViatraQueryRuntimeException if an error occurs during pattern matcher creation
+ * @return an initialized matcher
+ * @noreference This method is for internal matcher initialization by the framework, do not call it manually.
+ *
+ */
+ public static NoExtraInputOfTurnout.Matcher create() {
+ return new Matcher();
+ }
+
+ private static final int POSITION_T = 0;
+
+ private static final Logger LOGGER = ViatraQueryLoggingUtil.getLogger(NoExtraInputOfTurnout.Matcher.class);
+
+ /**
+ * Initializes the pattern matcher within an existing VIATRA Query engine.
+ * If the pattern matcher is already constructed in the engine, only a light-weight reference is returned.
+ *
+ * @param engine the existing VIATRA Query engine in which this matcher will be created.
+ * @throws ViatraQueryRuntimeException if an error occurs during pattern matcher creation
+ *
+ */
+ private Matcher() {
+ super(querySpecification());
+ }
+
+ /**
+ * Returns the set of all matches of the pattern that conform to the given fixed values of some parameters.
+ * @param pT the fixed value of pattern parameter T, or null if not bound.
+ * @return matches represented as a Match object.
+ *
+ */
+ public Collection getAllMatches(final Turnout pT) {
+ return rawStreamAllMatches(new Object[]{pT}).collect(Collectors.toSet());
+ }
+
+ /**
+ * Returns a stream of all matches of the pattern that conform to the given fixed values of some parameters.
+ *
+ * NOTE: It is important not to modify the source model while the stream is being processed.
+ * If the match set of the pattern changes during processing, the contents of the stream is undefined.
+ * In such cases, either rely on {@link #getAllMatches()} or collect the results of the stream in end-user code.
+ * @param pT the fixed value of pattern parameter T, or null if not bound.
+ * @return a stream of matches represented as a Match object.
+ *
+ */
+ public Stream streamAllMatches(final Turnout pT) {
+ return rawStreamAllMatches(new Object[]{pT});
+ }
+
+ /**
+ * Returns an arbitrarily chosen match of the pattern that conforms to the given fixed values of some parameters.
+ * Neither determinism nor randomness of selection is guaranteed.
+ * @param pT the fixed value of pattern parameter T, or null if not bound.
+ * @return a match represented as a Match object, or null if no match is found.
+ *
+ */
+ public Optional getOneArbitraryMatch(final Turnout pT) {
+ return rawGetOneArbitraryMatch(new Object[]{pT});
+ }
+
+ /**
+ * Indicates whether the given combination of specified pattern parameters constitute a valid pattern match,
+ * under any possible substitution of the unspecified parameters (if any).
+ * @param pT the fixed value of pattern parameter T, or null if not bound.
+ * @return true if the input is a valid (partial) match of the pattern.
+ *
+ */
+ public boolean hasMatch(final Turnout pT) {
+ return rawHasMatch(new Object[]{pT});
+ }
+
+ /**
+ * Returns the number of all matches of the pattern that conform to the given fixed values of some parameters.
+ * @param pT the fixed value of pattern parameter T, or null if not bound.
+ * @return the number of pattern matches found.
+ *
+ */
+ public int countMatches(final Turnout pT) {
+ return rawCountMatches(new Object[]{pT});
+ }
+
+ /**
+ * Executes the given processor on an arbitrarily chosen match of the pattern that conforms to the given fixed values of some parameters.
+ * Neither determinism nor randomness of selection is guaranteed.
+ * @param pT the fixed value of pattern parameter T, or null if not bound.
+ * @param processor the action that will process the selected match.
+ * @return true if the pattern has at least one match with the given parameter values, false if the processor was not invoked
+ *
+ */
+ public boolean forOneArbitraryMatch(final Turnout pT, final Consumer super NoExtraInputOfTurnout.Match> processor) {
+ return rawForOneArbitraryMatch(new Object[]{pT}, processor);
+ }
+
+ /**
+ * Returns a new (partial) match.
+ * This can be used e.g. to call the matcher with a partial match.
+ * The returned match will be immutable. Use {@link #newEmptyMatch()} to obtain a mutable match object.
+ * @param pT the fixed value of pattern parameter T, or null if not bound.
+ * @return the (partial) match object.
+ *
+ */
+ public NoExtraInputOfTurnout.Match newMatch(final Turnout pT) {
+ return NoExtraInputOfTurnout.Match.newMatch(pT);
+ }
+
+ /**
+ * Retrieve the set of values that occur in matches for T.
+ * @return the Set of all values or empty set if there are no matches
+ *
+ */
+ protected Stream rawStreamAllValuesOfT(final Object[] parameters) {
+ return rawStreamAllValues(POSITION_T, parameters).map(Turnout.class::cast);
+ }
+
+ /**
+ * Retrieve the set of values that occur in matches for T.
+ * @return the Set of all values or empty set if there are no matches
+ *
+ */
+ public Set getAllValuesOfT() {
+ return rawStreamAllValuesOfT(emptyArray()).collect(Collectors.toSet());
+ }
+
+ /**
+ * Retrieve the set of values that occur in matches for T.
+ * @return the Set of all values or empty set if there are no matches
+ *
+ */
+ public Stream streamAllValuesOfT() {
+ return rawStreamAllValuesOfT(emptyArray());
+ }
+
+ @Override
+ protected NoExtraInputOfTurnout.Match tupleToMatch(final Tuple t) {
+ try {
+ return NoExtraInputOfTurnout.Match.newMatch((Turnout) t.get(POSITION_T));
+ } catch(ClassCastException e) {
+ LOGGER.error("Element(s) in tuple not properly typed!",e);
+ return null;
+ }
+ }
+
+ @Override
+ protected NoExtraInputOfTurnout.Match arrayToMatch(final Object[] match) {
+ try {
+ return NoExtraInputOfTurnout.Match.newMatch((Turnout) match[POSITION_T]);
+ } catch(ClassCastException e) {
+ LOGGER.error("Element(s) in array not properly typed!",e);
+ return null;
+ }
+ }
+
+ @Override
+ protected NoExtraInputOfTurnout.Match arrayToMatchMutable(final Object[] match) {
+ try {
+ return NoExtraInputOfTurnout.Match.newMutableMatch((Turnout) match[POSITION_T]);
+ } catch(ClassCastException e) {
+ LOGGER.error("Element(s) in array not properly typed!",e);
+ return null;
+ }
+ }
+
+ /**
+ * @return the singleton instance of the query specification of this pattern
+ * @throws ViatraQueryRuntimeException if the pattern definition could not be loaded
+ *
+ */
+ public static IQuerySpecification querySpecification() {
+ return NoExtraInputOfTurnout.instance();
+ }
+ }
+
+ private NoExtraInputOfTurnout() {
+ super(GeneratedPQuery.INSTANCE);
+ }
+
+ /**
+ * @return the singleton instance of the query specification
+ * @throws ViatraQueryRuntimeException if the pattern definition could not be loaded
+ *
+ */
+ public static NoExtraInputOfTurnout instance() {
+ try{
+ return LazyHolder.INSTANCE;
+ } catch (ExceptionInInitializerError err) {
+ throw processInitializerError(err);
+ }
+ }
+
+ @Override
+ protected NoExtraInputOfTurnout.Matcher instantiate(final ViatraQueryEngine engine) {
+ return NoExtraInputOfTurnout.Matcher.on(engine);
+ }
+
+ @Override
+ public NoExtraInputOfTurnout.Matcher instantiate() {
+ return NoExtraInputOfTurnout.Matcher.create();
+ }
+
+ @Override
+ public NoExtraInputOfTurnout.Match newEmptyMatch() {
+ return NoExtraInputOfTurnout.Match.newEmptyMatch();
+ }
+
+ @Override
+ public NoExtraInputOfTurnout.Match newMatch(final Object... parameters) {
+ return NoExtraInputOfTurnout.Match.newMatch((modes3.Turnout) parameters[0]);
+ }
+
+ /**
+ * Inner class allowing the singleton instance of {@link NoExtraInputOfTurnout} to be created
+ * not at the class load time of the outer class,
+ * but rather at the first call to {@link NoExtraInputOfTurnout#instance()}.
+ *
+ * This workaround is required e.g. to support recursion.
+ *
+ */
+ private static class LazyHolder {
+ private static final NoExtraInputOfTurnout INSTANCE = new NoExtraInputOfTurnout();
+
+ /**
+ * Statically initializes the query specification after the field {@link #INSTANCE} is assigned.
+ * This initialization order is required to support indirect recursion.
+ *
+ *
The static initializer is defined using a helper field to work around limitations of the code generator.
+ *
+ */
+ private static final Object STATIC_INITIALIZER = ensureInitialized();
+
+ public static Object ensureInitialized() {
+ INSTANCE.ensureInitializedInternal();
+ return null;
+ }
+ }
+
+ private static class GeneratedPQuery extends BaseGeneratedEMFPQuery {
+ private static final NoExtraInputOfTurnout.GeneratedPQuery INSTANCE = new GeneratedPQuery();
+
+ private final PParameter parameter_T = new PParameter("T", "modes3.Turnout", new EClassTransitiveInstancesKey((EClass)getClassifierLiteralSafe("http://www.ece.mcgill.ca/wcet/modes3", "Turnout")), PParameterDirection.INOUT);
+
+ private final List parameters = Arrays.asList(parameter_T);
+
+ private GeneratedPQuery() {
+ super(PVisibility.PUBLIC);
+ }
+
+ @Override
+ public String getFullyQualifiedName() {
+ return "modes3.queries.noExtraInputOfTurnout";
+ }
+
+ @Override
+ public List getParameterNames() {
+ return Arrays.asList("T");
+ }
+
+ @Override
+ public List getParameters() {
+ return parameters;
+ }
+
+ @Override
+ public Set doGetContainedBodies() {
+ setEvaluationHints(new QueryEvaluationHint(null, QueryEvaluationHint.BackendRequirement.UNSPECIFIED));
+ Set bodies = new LinkedHashSet<>();
+ {
+ PBody body = new PBody(this);
+ PVariable var_T = body.getOrCreateVariableByName("T");
+ PVariable var___0_ = body.getOrCreateVariableByName("_<0>");
+ new TypeConstraint(body, Tuples.flatTupleOf(var_T), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("http://www.ece.mcgill.ca/wcet/modes3", "Turnout")));
+ body.setSymbolicParameters(Arrays.asList(
+ new ExportedParameter(body, var_T, parameter_T)
+ ));
+ // neg find extraInputOfTurnout(T, _)
+ new NegativePatternCall(body, Tuples.flatTupleOf(var_T, var___0_), ExtraInputOfTurnout.instance().getInternalQueryRepresentation());
+ bodies.add(body);
+ }
+ {
+ PAnnotation annotation = new PAnnotation("Constraint");
+ annotation.addAttribute("message", "noExtraInputOfTurnout");
+ annotation.addAttribute("severity", "error");
+ annotation.addAttribute("key", Arrays.asList(new Object[] {
+ new ParameterReference("T")
+ }));
+ addAnnotation(annotation);
+ }
+ return bodies;
+ }
+ }
+}
diff --git a/Domains/ca.mcgill.rtgmrt.example.modes3/vql-gen/modes3/queries/Output.java b/Domains/ca.mcgill.rtgmrt.example.modes3/vql-gen/modes3/queries/Output.java
new file mode 100644
index 00000000..615b33af
--- /dev/null
+++ b/Domains/ca.mcgill.rtgmrt.example.modes3/vql-gen/modes3/queries/Output.java
@@ -0,0 +1,724 @@
+/**
+ * Generated from platform:/resource/ca.mcgill.rtgmrt.example.modes3/src/modes3/queries/Modes3Queries.vql
+ */
+package modes3.queries;
+
+import java.util.Arrays;
+import java.util.Collection;
+import java.util.LinkedHashSet;
+import java.util.List;
+import java.util.Objects;
+import java.util.Optional;
+import java.util.Set;
+import java.util.function.Consumer;
+import java.util.stream.Collectors;
+import java.util.stream.Stream;
+import modes3.Segment;
+import modes3.queries.TurnoutOutput;
+import org.apache.log4j.Logger;
+import org.eclipse.emf.ecore.EClass;
+import org.eclipse.viatra.query.runtime.api.IPatternMatch;
+import org.eclipse.viatra.query.runtime.api.IQuerySpecification;
+import org.eclipse.viatra.query.runtime.api.ViatraQueryEngine;
+import org.eclipse.viatra.query.runtime.api.impl.BaseGeneratedEMFPQuery;
+import org.eclipse.viatra.query.runtime.api.impl.BaseGeneratedEMFQuerySpecification;
+import org.eclipse.viatra.query.runtime.api.impl.BaseMatcher;
+import org.eclipse.viatra.query.runtime.api.impl.BasePatternMatch;
+import org.eclipse.viatra.query.runtime.emf.types.EClassTransitiveInstancesKey;
+import org.eclipse.viatra.query.runtime.emf.types.EStructuralFeatureInstancesKey;
+import org.eclipse.viatra.query.runtime.matchers.backend.QueryEvaluationHint;
+import org.eclipse.viatra.query.runtime.matchers.psystem.PBody;
+import org.eclipse.viatra.query.runtime.matchers.psystem.PVariable;
+import org.eclipse.viatra.query.runtime.matchers.psystem.basicdeferred.Equality;
+import org.eclipse.viatra.query.runtime.matchers.psystem.basicdeferred.ExportedParameter;
+import org.eclipse.viatra.query.runtime.matchers.psystem.basicenumerables.PositivePatternCall;
+import org.eclipse.viatra.query.runtime.matchers.psystem.basicenumerables.TypeConstraint;
+import org.eclipse.viatra.query.runtime.matchers.psystem.queries.PParameter;
+import org.eclipse.viatra.query.runtime.matchers.psystem.queries.PParameterDirection;
+import org.eclipse.viatra.query.runtime.matchers.psystem.queries.PVisibility;
+import org.eclipse.viatra.query.runtime.matchers.tuple.Tuple;
+import org.eclipse.viatra.query.runtime.matchers.tuple.Tuples;
+import org.eclipse.viatra.query.runtime.util.ViatraQueryLoggingUtil;
+
+/**
+ * A pattern-specific query specification that can instantiate Matcher in a type-safe way.
+ *
+ * Original source:
+ *
+ * pattern output(S1 : Segment, S2 : Segment) {
+ * Segment.connectedTo(S1, S2);
+ * } or {
+ * find turnoutOutput(S1, S2);
+ * }
+ *
+ *
+ * @see Matcher
+ * @see Match
+ *
+ */
+@SuppressWarnings("all")
+public final class Output extends BaseGeneratedEMFQuerySpecification {
+ /**
+ * Pattern-specific match representation of the modes3.queries.output pattern,
+ * to be used in conjunction with {@link Matcher}.
+ *
+ * Class fields correspond to parameters of the pattern. Fields with value null are considered unassigned.
+ * Each instance is a (possibly partial) substitution of pattern parameters,
+ * usable to represent a match of the pattern in the result of a query,
+ * or to specify the bound (fixed) input parameters when issuing a query.
+ *
+ * @see Matcher
+ *
+ */
+ public static abstract class Match extends BasePatternMatch {
+ private Segment fS1;
+
+ private Segment fS2;
+
+ private static List parameterNames = makeImmutableList("S1", "S2");
+
+ private Match(final Segment pS1, final Segment pS2) {
+ this.fS1 = pS1;
+ this.fS2 = pS2;
+ }
+
+ @Override
+ public Object get(final String parameterName) {
+ switch(parameterName) {
+ case "S1": return this.fS1;
+ case "S2": return this.fS2;
+ default: return null;
+ }
+ }
+
+ @Override
+ public Object get(final int index) {
+ switch(index) {
+ case 0: return this.fS1;
+ case 1: return this.fS2;
+ default: return null;
+ }
+ }
+
+ public Segment getS1() {
+ return this.fS1;
+ }
+
+ public Segment getS2() {
+ return this.fS2;
+ }
+
+ @Override
+ public boolean set(final String parameterName, final Object newValue) {
+ if (!isMutable()) throw new java.lang.UnsupportedOperationException();
+ if ("S1".equals(parameterName) ) {
+ this.fS1 = (Segment) newValue;
+ return true;
+ }
+ if ("S2".equals(parameterName) ) {
+ this.fS2 = (Segment) newValue;
+ return true;
+ }
+ return false;
+ }
+
+ public void setS1(final Segment pS1) {
+ if (!isMutable()) throw new java.lang.UnsupportedOperationException();
+ this.fS1 = pS1;
+ }
+
+ public void setS2(final Segment pS2) {
+ if (!isMutable()) throw new java.lang.UnsupportedOperationException();
+ this.fS2 = pS2;
+ }
+
+ @Override
+ public String patternName() {
+ return "modes3.queries.output";
+ }
+
+ @Override
+ public List parameterNames() {
+ return Output.Match.parameterNames;
+ }
+
+ @Override
+ public Object[] toArray() {
+ return new Object[]{fS1, fS2};
+ }
+
+ @Override
+ public Output.Match toImmutable() {
+ return isMutable() ? newMatch(fS1, fS2) : this;
+ }
+
+ @Override
+ public String prettyPrint() {
+ StringBuilder result = new StringBuilder();
+ result.append("\"S1\"=" + prettyPrintValue(fS1) + ", ");
+ result.append("\"S2\"=" + prettyPrintValue(fS2));
+ return result.toString();
+ }
+
+ @Override
+ public int hashCode() {
+ return Objects.hash(fS1, fS2);
+ }
+
+ @Override
+ public boolean equals(final Object obj) {
+ if (this == obj)
+ return true;
+ if (obj == null) {
+ return false;
+ }
+ if ((obj instanceof Output.Match)) {
+ Output.Match other = (Output.Match) obj;
+ return Objects.equals(fS1, other.fS1) && Objects.equals(fS2, other.fS2);
+ } else {
+ // this should be infrequent
+ if (!(obj instanceof IPatternMatch)) {
+ return false;
+ }
+ IPatternMatch otherSig = (IPatternMatch) obj;
+ return Objects.equals(specification(), otherSig.specification()) && Arrays.deepEquals(toArray(), otherSig.toArray());
+ }
+ }
+
+ @Override
+ public Output specification() {
+ return Output.instance();
+ }
+
+ /**
+ * Returns an empty, mutable match.
+ * Fields of the mutable match can be filled to create a partial match, usable as matcher input.
+ *
+ * @return the empty match.
+ *
+ */
+ public static Output.Match newEmptyMatch() {
+ return new Mutable(null, null);
+ }
+
+ /**
+ * Returns a mutable (partial) match.
+ * Fields of the mutable match can be filled to create a partial match, usable as matcher input.
+ *
+ * @param pS1 the fixed value of pattern parameter S1, or null if not bound.
+ * @param pS2 the fixed value of pattern parameter S2, or null if not bound.
+ * @return the new, mutable (partial) match object.
+ *
+ */
+ public static Output.Match newMutableMatch(final Segment pS1, final Segment pS2) {
+ return new Mutable(pS1, pS2);
+ }
+
+ /**
+ * Returns a new (partial) match.
+ * This can be used e.g. to call the matcher with a partial match.
+ * The returned match will be immutable. Use {@link #newEmptyMatch()} to obtain a mutable match object.
+ * @param pS1 the fixed value of pattern parameter S1, or null if not bound.
+ * @param pS2 the fixed value of pattern parameter S2, or null if not bound.
+ * @return the (partial) match object.
+ *
+ */
+ public static Output.Match newMatch(final Segment pS1, final Segment pS2) {
+ return new Immutable(pS1, pS2);
+ }
+
+ private static final class Mutable extends Output.Match {
+ Mutable(final Segment pS1, final Segment pS2) {
+ super(pS1, pS2);
+ }
+
+ @Override
+ public boolean isMutable() {
+ return true;
+ }
+ }
+
+ private static final class Immutable extends Output.Match {
+ Immutable(final Segment pS1, final Segment pS2) {
+ super(pS1, pS2);
+ }
+
+ @Override
+ public boolean isMutable() {
+ return false;
+ }
+ }
+ }
+
+ /**
+ * Generated pattern matcher API of the modes3.queries.output pattern,
+ * providing pattern-specific query methods.
+ *
+ *
Use the pattern matcher on a given model via {@link #on(ViatraQueryEngine)},
+ * e.g. in conjunction with {@link ViatraQueryEngine#on(QueryScope)}.
+ *
+ *
Matches of the pattern will be represented as {@link Match}.
+ *
+ *
Original source:
+ *
+ * pattern output(S1 : Segment, S2 : Segment) {
+ * Segment.connectedTo(S1, S2);
+ * } or {
+ * find turnoutOutput(S1, S2);
+ * }
+ *
+ *
+ * @see Match
+ * @see Output
+ *
+ */
+ public static class Matcher extends BaseMatcher {
+ /**
+ * Initializes the pattern matcher within an existing VIATRA Query engine.
+ * If the pattern matcher is already constructed in the engine, only a light-weight reference is returned.
+ *
+ * @param engine the existing VIATRA Query engine in which this matcher will be created.
+ * @throws ViatraQueryRuntimeException if an error occurs during pattern matcher creation
+ *
+ */
+ public static Output.Matcher on(final ViatraQueryEngine engine) {
+ // check if matcher already exists
+ Matcher matcher = engine.getExistingMatcher(querySpecification());
+ if (matcher == null) {
+ matcher = (Matcher)engine.getMatcher(querySpecification());
+ }
+ return matcher;
+ }
+
+ /**
+ * @throws ViatraQueryRuntimeException if an error occurs during pattern matcher creation
+ * @return an initialized matcher
+ * @noreference This method is for internal matcher initialization by the framework, do not call it manually.
+ *
+ */
+ public static Output.Matcher create() {
+ return new Matcher();
+ }
+
+ private static final int POSITION_S1 = 0;
+
+ private static final int POSITION_S2 = 1;
+
+ private static final Logger LOGGER = ViatraQueryLoggingUtil.getLogger(Output.Matcher.class);
+
+ /**
+ * Initializes the pattern matcher within an existing VIATRA Query engine.
+ * If the pattern matcher is already constructed in the engine, only a light-weight reference is returned.
+ *
+ * @param engine the existing VIATRA Query engine in which this matcher will be created.
+ * @throws ViatraQueryRuntimeException if an error occurs during pattern matcher creation
+ *
+ */
+ private Matcher() {
+ super(querySpecification());
+ }
+
+ /**
+ * Returns the set of all matches of the pattern that conform to the given fixed values of some parameters.
+ * @param pS1 the fixed value of pattern parameter S1, or null if not bound.
+ * @param pS2 the fixed value of pattern parameter S2, or null if not bound.
+ * @return matches represented as a Match object.
+ *
+ */
+ public Collection getAllMatches(final Segment pS1, final Segment pS2) {
+ return rawStreamAllMatches(new Object[]{pS1, pS2}).collect(Collectors.toSet());
+ }
+
+ /**
+ * Returns a stream of all matches of the pattern that conform to the given fixed values of some parameters.
+ *
+ * NOTE: It is important not to modify the source model while the stream is being processed.
+ * If the match set of the pattern changes during processing, the contents of the stream is undefined.
+ * In such cases, either rely on {@link #getAllMatches()} or collect the results of the stream in end-user code.
+ * @param pS1 the fixed value of pattern parameter S1, or null if not bound.
+ * @param pS2 the fixed value of pattern parameter S2, or null if not bound.
+ * @return a stream of matches represented as a Match object.
+ *
+ */
+ public Stream streamAllMatches(final Segment pS1, final Segment pS2) {
+ return rawStreamAllMatches(new Object[]{pS1, pS2});
+ }
+
+ /**
+ * Returns an arbitrarily chosen match of the pattern that conforms to the given fixed values of some parameters.
+ * Neither determinism nor randomness of selection is guaranteed.
+ * @param pS1 the fixed value of pattern parameter S1, or null if not bound.
+ * @param pS2 the fixed value of pattern parameter S2, or null if not bound.
+ * @return a match represented as a Match object, or null if no match is found.
+ *
+ */
+ public Optional getOneArbitraryMatch(final Segment pS1, final Segment pS2) {
+ return rawGetOneArbitraryMatch(new Object[]{pS1, pS2});
+ }
+
+ /**
+ * Indicates whether the given combination of specified pattern parameters constitute a valid pattern match,
+ * under any possible substitution of the unspecified parameters (if any).
+ * @param pS1 the fixed value of pattern parameter S1, or null if not bound.
+ * @param pS2 the fixed value of pattern parameter S2, or null if not bound.
+ * @return true if the input is a valid (partial) match of the pattern.
+ *
+ */
+ public boolean hasMatch(final Segment pS1, final Segment pS2) {
+ return rawHasMatch(new Object[]{pS1, pS2});
+ }
+
+ /**
+ * Returns the number of all matches of the pattern that conform to the given fixed values of some parameters.
+ * @param pS1 the fixed value of pattern parameter S1, or null if not bound.
+ * @param pS2 the fixed value of pattern parameter S2, or null if not bound.
+ * @return the number of pattern matches found.
+ *
+ */
+ public int countMatches(final Segment pS1, final Segment pS2) {
+ return rawCountMatches(new Object[]{pS1, pS2});
+ }
+
+ /**
+ * Executes the given processor on an arbitrarily chosen match of the pattern that conforms to the given fixed values of some parameters.
+ * Neither determinism nor randomness of selection is guaranteed.
+ * @param pS1 the fixed value of pattern parameter S1, or null if not bound.
+ * @param pS2 the fixed value of pattern parameter S2, or null if not bound.
+ * @param processor the action that will process the selected match.
+ * @return true if the pattern has at least one match with the given parameter values, false if the processor was not invoked
+ *
+ */
+ public boolean forOneArbitraryMatch(final Segment pS1, final Segment pS2, final Consumer super Output.Match> processor) {
+ return rawForOneArbitraryMatch(new Object[]{pS1, pS2}, processor);
+ }
+
+ /**
+ * Returns a new (partial) match.
+ * This can be used e.g. to call the matcher with a partial match.
+ * The returned match will be immutable. Use {@link #newEmptyMatch()} to obtain a mutable match object.
+ * @param pS1 the fixed value of pattern parameter S1, or null if not bound.
+ * @param pS2 the fixed value of pattern parameter S2, or null if not bound.
+ * @return the (partial) match object.
+ *
+ */
+ public Output.Match newMatch(final Segment pS1, final Segment pS2) {
+ return Output.Match.newMatch(pS1, pS2);
+ }
+
+ /**
+ * Retrieve the set of values that occur in matches for S1.
+ * @return the Set of all values or empty set if there are no matches
+ *
+ */
+ protected Stream rawStreamAllValuesOfS1(final Object[] parameters) {
+ return rawStreamAllValues(POSITION_S1, parameters).map(Segment.class::cast);
+ }
+
+ /**
+ * Retrieve the set of values that occur in matches for S1.
+ * @return the Set of all values or empty set if there are no matches
+ *
+ */
+ public Set getAllValuesOfS1() {
+ return rawStreamAllValuesOfS1(emptyArray()).collect(Collectors.toSet());
+ }
+
+ /**
+ * Retrieve the set of values that occur in matches for S1.
+ * @return the Set of all values or empty set if there are no matches
+ *
+ */
+ public Stream streamAllValuesOfS1() {
+ return rawStreamAllValuesOfS1(emptyArray());
+ }
+
+ /**
+ * Retrieve the set of values that occur in matches for S1.
+ *
+ * NOTE: It is important not to modify the source model while the stream is being processed.
+ * If the match set of the pattern changes during processing, the contents of the stream is undefined.
+ * In such cases, either rely on {@link #getAllMatches()} or collect the results of the stream in end-user code.
+ *
+ * @return the Stream of all values or empty set if there are no matches
+ *
+ */
+ public Stream streamAllValuesOfS1(final Output.Match partialMatch) {
+ return rawStreamAllValuesOfS1(partialMatch.toArray());
+ }
+
+ /**
+ * Retrieve the set of values that occur in matches for S1.
+ *
+ * NOTE: It is important not to modify the source model while the stream is being processed.
+ * If the match set of the pattern changes during processing, the contents of the stream is undefined.
+ * In such cases, either rely on {@link #getAllMatches()} or collect the results of the stream in end-user code.
+ *
+ * @return the Stream of all values or empty set if there are no matches
+ *
+ */
+ public Stream streamAllValuesOfS1(final Segment pS2) {
+ return rawStreamAllValuesOfS1(new Object[]{null, pS2});
+ }
+
+ /**
+ * Retrieve the set of values that occur in matches for S1.
+ * @return the Set of all values or empty set if there are no matches
+ *
+ */
+ public Set getAllValuesOfS1(final Output.Match partialMatch) {
+ return rawStreamAllValuesOfS1(partialMatch.toArray()).collect(Collectors.toSet());
+ }
+
+ /**
+ * Retrieve the set of values that occur in matches for S1.
+ * @return the Set of all values or empty set if there are no matches
+ *
+ */
+ public Set getAllValuesOfS1(final Segment pS2) {
+ return rawStreamAllValuesOfS1(new Object[]{null, pS2}).collect(Collectors.toSet());
+ }
+
+ /**
+ * Retrieve the set of values that occur in matches for S2.
+ * @return the Set of all values or empty set if there are no matches
+ *
+ */
+ protected Stream rawStreamAllValuesOfS2(final Object[] parameters) {
+ return rawStreamAllValues(POSITION_S2, parameters).map(Segment.class::cast);
+ }
+
+ /**
+ * Retrieve the set of values that occur in matches for S2.
+ * @return the Set of all values or empty set if there are no matches
+ *
+ */
+ public Set getAllValuesOfS2() {
+ return rawStreamAllValuesOfS2(emptyArray()).collect(Collectors.toSet());
+ }
+
+ /**
+ * Retrieve the set of values that occur in matches for S2.
+ * @return the Set of all values or empty set if there are no matches
+ *
+ */
+ public Stream streamAllValuesOfS2() {
+ return rawStreamAllValuesOfS2(emptyArray());
+ }
+
+ /**
+ * Retrieve the set of values that occur in matches for S2.
+ *
+ * NOTE: It is important not to modify the source model while the stream is being processed.
+ * If the match set of the pattern changes during processing, the contents of the stream is undefined.
+ * In such cases, either rely on {@link #getAllMatches()} or collect the results of the stream in end-user code.
+ *
+ * @return the Stream of all values or empty set if there are no matches
+ *
+ */
+ public Stream streamAllValuesOfS2(final Output.Match partialMatch) {
+ return rawStreamAllValuesOfS2(partialMatch.toArray());
+ }
+
+ /**
+ * Retrieve the set of values that occur in matches for S2.
+ *
+ * NOTE: It is important not to modify the source model while the stream is being processed.
+ * If the match set of the pattern changes during processing, the contents of the stream is undefined.
+ * In such cases, either rely on {@link #getAllMatches()} or collect the results of the stream in end-user code.
+ *
+ * @return the Stream of all values or empty set if there are no matches
+ *
+ */
+ public Stream streamAllValuesOfS2(final Segment pS1) {
+ return rawStreamAllValuesOfS2(new Object[]{pS1, null});
+ }
+
+ /**
+ * Retrieve the set of values that occur in matches for S2.
+ * @return the Set of all values or empty set if there are no matches
+ *
+ */
+ public Set getAllValuesOfS2(final Output.Match partialMatch) {
+ return rawStreamAllValuesOfS2(partialMatch.toArray()).collect(Collectors.toSet());
+ }
+
+ /**
+ * Retrieve the set of values that occur in matches for S2.
+ * @return the Set of all values or empty set if there are no matches
+ *
+ */
+ public Set getAllValuesOfS2(final Segment pS1) {
+ return rawStreamAllValuesOfS2(new Object[]{pS1, null}).collect(Collectors.toSet());
+ }
+
+ @Override
+ protected Output.Match tupleToMatch(final Tuple t) {
+ try {
+ return Output.Match.newMatch((Segment) t.get(POSITION_S1), (Segment) t.get(POSITION_S2));
+ } catch(ClassCastException e) {
+ LOGGER.error("Element(s) in tuple not properly typed!",e);
+ return null;
+ }
+ }
+
+ @Override
+ protected Output.Match arrayToMatch(final Object[] match) {
+ try {
+ return Output.Match.newMatch((Segment) match[POSITION_S1], (Segment) match[POSITION_S2]);
+ } catch(ClassCastException e) {
+ LOGGER.error("Element(s) in array not properly typed!",e);
+ return null;
+ }
+ }
+
+ @Override
+ protected Output.Match arrayToMatchMutable(final Object[] match) {
+ try {
+ return Output.Match.newMutableMatch((Segment) match[POSITION_S1], (Segment) match[POSITION_S2]);
+ } catch(ClassCastException e) {
+ LOGGER.error("Element(s) in array not properly typed!",e);
+ return null;
+ }
+ }
+
+ /**
+ * @return the singleton instance of the query specification of this pattern
+ * @throws ViatraQueryRuntimeException if the pattern definition could not be loaded
+ *
+ */
+ public static IQuerySpecification querySpecification() {
+ return Output.instance();
+ }
+ }
+
+ private Output() {
+ super(GeneratedPQuery.INSTANCE);
+ }
+
+ /**
+ * @return the singleton instance of the query specification
+ * @throws ViatraQueryRuntimeException if the pattern definition could not be loaded
+ *
+ */
+ public static Output instance() {
+ try{
+ return LazyHolder.INSTANCE;
+ } catch (ExceptionInInitializerError err) {
+ throw processInitializerError(err);
+ }
+ }
+
+ @Override
+ protected Output.Matcher instantiate(final ViatraQueryEngine engine) {
+ return Output.Matcher.on(engine);
+ }
+
+ @Override
+ public Output.Matcher instantiate() {
+ return Output.Matcher.create();
+ }
+
+ @Override
+ public Output.Match newEmptyMatch() {
+ return Output.Match.newEmptyMatch();
+ }
+
+ @Override
+ public Output.Match newMatch(final Object... parameters) {
+ return Output.Match.newMatch((modes3.Segment) parameters[0], (modes3.Segment) parameters[1]);
+ }
+
+ /**
+ * Inner class allowing the singleton instance of {@link Output} to be created
+ * not at the class load time of the outer class,
+ * but rather at the first call to {@link Output#instance()}.
+ *
+ * This workaround is required e.g. to support recursion.
+ *
+ */
+ private static class LazyHolder {
+ private static final Output INSTANCE = new Output();
+
+ /**
+ * Statically initializes the query specification after the field {@link #INSTANCE} is assigned.
+ * This initialization order is required to support indirect recursion.
+ *
+ *
The static initializer is defined using a helper field to work around limitations of the code generator.
+ *
+ */
+ private static final Object STATIC_INITIALIZER = ensureInitialized();
+
+ public static Object ensureInitialized() {
+ INSTANCE.ensureInitializedInternal();
+ return null;
+ }
+ }
+
+ private static class GeneratedPQuery extends BaseGeneratedEMFPQuery {
+ private static final Output.GeneratedPQuery INSTANCE = new GeneratedPQuery();
+
+ private final PParameter parameter_S1 = new PParameter("S1", "modes3.Segment", new EClassTransitiveInstancesKey((EClass)getClassifierLiteralSafe("http://www.ece.mcgill.ca/wcet/modes3", "Segment")), PParameterDirection.INOUT);
+
+ private final PParameter parameter_S2 = new PParameter("S2", "modes3.Segment", new EClassTransitiveInstancesKey((EClass)getClassifierLiteralSafe("http://www.ece.mcgill.ca/wcet/modes3", "Segment")), PParameterDirection.INOUT);
+
+ private final List parameters = Arrays.asList(parameter_S1, parameter_S2);
+
+ private GeneratedPQuery() {
+ super(PVisibility.PUBLIC);
+ }
+
+ @Override
+ public String getFullyQualifiedName() {
+ return "modes3.queries.output";
+ }
+
+ @Override
+ public List getParameterNames() {
+ return Arrays.asList("S1","S2");
+ }
+
+ @Override
+ public List getParameters() {
+ return parameters;
+ }
+
+ @Override
+ public Set doGetContainedBodies() {
+ setEvaluationHints(new QueryEvaluationHint(null, QueryEvaluationHint.BackendRequirement.UNSPECIFIED));
+ Set bodies = new LinkedHashSet<>();
+ {
+ PBody body = new PBody(this);
+ PVariable var_S1 = body.getOrCreateVariableByName("S1");
+ PVariable var_S2 = body.getOrCreateVariableByName("S2");
+ new TypeConstraint(body, Tuples.flatTupleOf(var_S1), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("http://www.ece.mcgill.ca/wcet/modes3", "Segment")));
+ new TypeConstraint(body, Tuples.flatTupleOf(var_S2), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("http://www.ece.mcgill.ca/wcet/modes3", "Segment")));
+ body.setSymbolicParameters(Arrays.asList(
+ new ExportedParameter(body, var_S1, parameter_S1),
+ new ExportedParameter(body, var_S2, parameter_S2)
+ ));
+ // Segment.connectedTo(S1, S2)
+ new TypeConstraint(body, Tuples.flatTupleOf(var_S1), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("http://www.ece.mcgill.ca/wcet/modes3", "Segment")));
+ PVariable var__virtual_0_ = body.getOrCreateVariableByName(".virtual{0}");
+ new TypeConstraint(body, Tuples.flatTupleOf(var_S1, var__virtual_0_), new EStructuralFeatureInstancesKey(getFeatureLiteral("http://www.ece.mcgill.ca/wcet/modes3", "Segment", "connectedTo")));
+ new TypeConstraint(body, Tuples.flatTupleOf(var__virtual_0_), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("http://www.ece.mcgill.ca/wcet/modes3", "Segment")));
+ new Equality(body, var__virtual_0_, var_S2);
+ bodies.add(body);
+ }
+ {
+ PBody body = new PBody(this);
+ PVariable var_S1 = body.getOrCreateVariableByName("S1");
+ PVariable var_S2 = body.getOrCreateVariableByName("S2");
+ new TypeConstraint(body, Tuples.flatTupleOf(var_S1), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("http://www.ece.mcgill.ca/wcet/modes3", "Segment")));
+ new TypeConstraint(body, Tuples.flatTupleOf(var_S2), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("http://www.ece.mcgill.ca/wcet/modes3", "Segment")));
+ body.setSymbolicParameters(Arrays.asList(
+ new ExportedParameter(body, var_S1, parameter_S1),
+ new ExportedParameter(body, var_S2, parameter_S2)
+ ));
+ // find turnoutOutput(S1, S2)
+ new PositivePatternCall(body, Tuples.flatTupleOf(var_S1, var_S2), TurnoutOutput.instance().getInternalQueryRepresentation());
+ bodies.add(body);
+ }
+ return bodies;
+ }
+ }
+}
diff --git a/Domains/ca.mcgill.rtgmrt.example.modes3/vql-gen/modes3/queries/OutputReflexive.java b/Domains/ca.mcgill.rtgmrt.example.modes3/vql-gen/modes3/queries/OutputReflexive.java
new file mode 100644
index 00000000..3d90ede5
--- /dev/null
+++ b/Domains/ca.mcgill.rtgmrt.example.modes3/vql-gen/modes3/queries/OutputReflexive.java
@@ -0,0 +1,559 @@
+/**
+ * Generated from platform:/resource/ca.mcgill.rtgmrt.example.modes3/src/modes3/queries/Modes3Queries.vql
+ */
+package modes3.queries;
+
+import java.util.Arrays;
+import java.util.Collection;
+import java.util.LinkedHashSet;
+import java.util.List;
+import java.util.Objects;
+import java.util.Optional;
+import java.util.Set;
+import java.util.function.Consumer;
+import java.util.stream.Collectors;
+import java.util.stream.Stream;
+import modes3.Turnout;
+import modes3.queries.TurnoutOutput;
+import org.apache.log4j.Logger;
+import org.eclipse.emf.ecore.EClass;
+import org.eclipse.viatra.query.runtime.api.IPatternMatch;
+import org.eclipse.viatra.query.runtime.api.IQuerySpecification;
+import org.eclipse.viatra.query.runtime.api.ViatraQueryEngine;
+import org.eclipse.viatra.query.runtime.api.impl.BaseGeneratedEMFPQuery;
+import org.eclipse.viatra.query.runtime.api.impl.BaseGeneratedEMFQuerySpecification;
+import org.eclipse.viatra.query.runtime.api.impl.BaseMatcher;
+import org.eclipse.viatra.query.runtime.api.impl.BasePatternMatch;
+import org.eclipse.viatra.query.runtime.emf.types.EClassTransitiveInstancesKey;
+import org.eclipse.viatra.query.runtime.matchers.backend.QueryEvaluationHint;
+import org.eclipse.viatra.query.runtime.matchers.psystem.PBody;
+import org.eclipse.viatra.query.runtime.matchers.psystem.PVariable;
+import org.eclipse.viatra.query.runtime.matchers.psystem.annotations.PAnnotation;
+import org.eclipse.viatra.query.runtime.matchers.psystem.annotations.ParameterReference;
+import org.eclipse.viatra.query.runtime.matchers.psystem.basicdeferred.ExportedParameter;
+import org.eclipse.viatra.query.runtime.matchers.psystem.basicenumerables.PositivePatternCall;
+import org.eclipse.viatra.query.runtime.matchers.psystem.basicenumerables.TypeConstraint;
+import org.eclipse.viatra.query.runtime.matchers.psystem.queries.PParameter;
+import org.eclipse.viatra.query.runtime.matchers.psystem.queries.PParameterDirection;
+import org.eclipse.viatra.query.runtime.matchers.psystem.queries.PVisibility;
+import org.eclipse.viatra.query.runtime.matchers.tuple.Tuple;
+import org.eclipse.viatra.query.runtime.matchers.tuple.Tuples;
+import org.eclipse.viatra.query.runtime.util.ViatraQueryLoggingUtil;
+
+/**
+ * A pattern-specific query specification that can instantiate Matcher in a type-safe way.
+ *
+ * Original source:
+ *
+ * {@literal @}Constraint(message = "outputReflexive", severity = "error", key = { T })
+ * pattern outputReflexive(T : Turnout) {
+ * find turnoutOutput(T, T);
+ * }
+ *
+ *
+ * @see Matcher
+ * @see Match
+ *
+ */
+@SuppressWarnings("all")
+public final class OutputReflexive extends BaseGeneratedEMFQuerySpecification {
+ /**
+ * Pattern-specific match representation of the modes3.queries.outputReflexive pattern,
+ * to be used in conjunction with {@link Matcher}.
+ *
+ * Class fields correspond to parameters of the pattern. Fields with value null are considered unassigned.
+ * Each instance is a (possibly partial) substitution of pattern parameters,
+ * usable to represent a match of the pattern in the result of a query,
+ * or to specify the bound (fixed) input parameters when issuing a query.
+ *
+ * @see Matcher
+ *
+ */
+ public static abstract class Match extends BasePatternMatch {
+ private Turnout fT;
+
+ private static List parameterNames = makeImmutableList("T");
+
+ private Match(final Turnout pT) {
+ this.fT = pT;
+ }
+
+ @Override
+ public Object get(final String parameterName) {
+ switch(parameterName) {
+ case "T": return this.fT;
+ default: return null;
+ }
+ }
+
+ @Override
+ public Object get(final int index) {
+ switch(index) {
+ case 0: return this.fT;
+ default: return null;
+ }
+ }
+
+ public Turnout getT() {
+ return this.fT;
+ }
+
+ @Override
+ public boolean set(final String parameterName, final Object newValue) {
+ if (!isMutable()) throw new java.lang.UnsupportedOperationException();
+ if ("T".equals(parameterName) ) {
+ this.fT = (Turnout) newValue;
+ return true;
+ }
+ return false;
+ }
+
+ public void setT(final Turnout pT) {
+ if (!isMutable()) throw new java.lang.UnsupportedOperationException();
+ this.fT = pT;
+ }
+
+ @Override
+ public String patternName() {
+ return "modes3.queries.outputReflexive";
+ }
+
+ @Override
+ public List parameterNames() {
+ return OutputReflexive.Match.parameterNames;
+ }
+
+ @Override
+ public Object[] toArray() {
+ return new Object[]{fT};
+ }
+
+ @Override
+ public OutputReflexive.Match toImmutable() {
+ return isMutable() ? newMatch(fT) : this;
+ }
+
+ @Override
+ public String prettyPrint() {
+ StringBuilder result = new StringBuilder();
+ result.append("\"T\"=" + prettyPrintValue(fT));
+ return result.toString();
+ }
+
+ @Override
+ public int hashCode() {
+ return Objects.hash(fT);
+ }
+
+ @Override
+ public boolean equals(final Object obj) {
+ if (this == obj)
+ return true;
+ if (obj == null) {
+ return false;
+ }
+ if ((obj instanceof OutputReflexive.Match)) {
+ OutputReflexive.Match other = (OutputReflexive.Match) obj;
+ return Objects.equals(fT, other.fT);
+ } else {
+ // this should be infrequent
+ if (!(obj instanceof IPatternMatch)) {
+ return false;
+ }
+ IPatternMatch otherSig = (IPatternMatch) obj;
+ return Objects.equals(specification(), otherSig.specification()) && Arrays.deepEquals(toArray(), otherSig.toArray());
+ }
+ }
+
+ @Override
+ public OutputReflexive specification() {
+ return OutputReflexive.instance();
+ }
+
+ /**
+ * Returns an empty, mutable match.
+ * Fields of the mutable match can be filled to create a partial match, usable as matcher input.
+ *
+ * @return the empty match.
+ *
+ */
+ public static OutputReflexive.Match newEmptyMatch() {
+ return new Mutable(null);
+ }
+
+ /**
+ * Returns a mutable (partial) match.
+ * Fields of the mutable match can be filled to create a partial match, usable as matcher input.
+ *
+ * @param pT the fixed value of pattern parameter T, or null if not bound.
+ * @return the new, mutable (partial) match object.
+ *
+ */
+ public static OutputReflexive.Match newMutableMatch(final Turnout pT) {
+ return new Mutable(pT);
+ }
+
+ /**
+ * Returns a new (partial) match.
+ * This can be used e.g. to call the matcher with a partial match.
+ * The returned match will be immutable. Use {@link #newEmptyMatch()} to obtain a mutable match object.
+ * @param pT the fixed value of pattern parameter T, or null if not bound.
+ * @return the (partial) match object.
+ *
+ */
+ public static OutputReflexive.Match newMatch(final Turnout pT) {
+ return new Immutable(pT);
+ }
+
+ private static final class Mutable extends OutputReflexive.Match {
+ Mutable(final Turnout pT) {
+ super(pT);
+ }
+
+ @Override
+ public boolean isMutable() {
+ return true;
+ }
+ }
+
+ private static final class Immutable extends OutputReflexive.Match {
+ Immutable(final Turnout pT) {
+ super(pT);
+ }
+
+ @Override
+ public boolean isMutable() {
+ return false;
+ }
+ }
+ }
+
+ /**
+ * Generated pattern matcher API of the modes3.queries.outputReflexive pattern,
+ * providing pattern-specific query methods.
+ *
+ *
Use the pattern matcher on a given model via {@link #on(ViatraQueryEngine)},
+ * e.g. in conjunction with {@link ViatraQueryEngine#on(QueryScope)}.
+ *
+ *
Matches of the pattern will be represented as {@link Match}.
+ *
+ *
Original source:
+ *
+ * {@literal @}Constraint(message = "outputReflexive", severity = "error", key = { T })
+ * pattern outputReflexive(T : Turnout) {
+ * find turnoutOutput(T, T);
+ * }
+ *
+ *
+ * @see Match
+ * @see OutputReflexive
+ *
+ */
+ public static class Matcher extends BaseMatcher {
+ /**
+ * Initializes the pattern matcher within an existing VIATRA Query engine.
+ * If the pattern matcher is already constructed in the engine, only a light-weight reference is returned.
+ *
+ * @param engine the existing VIATRA Query engine in which this matcher will be created.
+ * @throws ViatraQueryRuntimeException if an error occurs during pattern matcher creation
+ *
+ */
+ public static OutputReflexive.Matcher on(final ViatraQueryEngine engine) {
+ // check if matcher already exists
+ Matcher matcher = engine.getExistingMatcher(querySpecification());
+ if (matcher == null) {
+ matcher = (Matcher)engine.getMatcher(querySpecification());
+ }
+ return matcher;
+ }
+
+ /**
+ * @throws ViatraQueryRuntimeException if an error occurs during pattern matcher creation
+ * @return an initialized matcher
+ * @noreference This method is for internal matcher initialization by the framework, do not call it manually.
+ *
+ */
+ public static OutputReflexive.Matcher create() {
+ return new Matcher();
+ }
+
+ private static final int POSITION_T = 0;
+
+ private static final Logger LOGGER = ViatraQueryLoggingUtil.getLogger(OutputReflexive.Matcher.class);
+
+ /**
+ * Initializes the pattern matcher within an existing VIATRA Query engine.
+ * If the pattern matcher is already constructed in the engine, only a light-weight reference is returned.
+ *
+ * @param engine the existing VIATRA Query engine in which this matcher will be created.
+ * @throws ViatraQueryRuntimeException if an error occurs during pattern matcher creation
+ *
+ */
+ private Matcher() {
+ super(querySpecification());
+ }
+
+ /**
+ * Returns the set of all matches of the pattern that conform to the given fixed values of some parameters.
+ * @param pT the fixed value of pattern parameter T, or null if not bound.
+ * @return matches represented as a Match object.
+ *
+ */
+ public Collection getAllMatches(final Turnout pT) {
+ return rawStreamAllMatches(new Object[]{pT}).collect(Collectors.toSet());
+ }
+
+ /**
+ * Returns a stream of all matches of the pattern that conform to the given fixed values of some parameters.
+ *
+ * NOTE: It is important not to modify the source model while the stream is being processed.
+ * If the match set of the pattern changes during processing, the contents of the stream is undefined.
+ * In such cases, either rely on {@link #getAllMatches()} or collect the results of the stream in end-user code.
+ * @param pT the fixed value of pattern parameter T, or null if not bound.
+ * @return a stream of matches represented as a Match object.
+ *
+ */
+ public Stream streamAllMatches(final Turnout pT) {
+ return rawStreamAllMatches(new Object[]{pT});
+ }
+
+ /**
+ * Returns an arbitrarily chosen match of the pattern that conforms to the given fixed values of some parameters.
+ * Neither determinism nor randomness of selection is guaranteed.
+ * @param pT the fixed value of pattern parameter T, or null if not bound.
+ * @return a match represented as a Match object, or null if no match is found.
+ *
+ */
+ public Optional getOneArbitraryMatch(final Turnout pT) {
+ return rawGetOneArbitraryMatch(new Object[]{pT});
+ }
+
+ /**
+ * Indicates whether the given combination of specified pattern parameters constitute a valid pattern match,
+ * under any possible substitution of the unspecified parameters (if any).
+ * @param pT the fixed value of pattern parameter T, or null if not bound.
+ * @return true if the input is a valid (partial) match of the pattern.
+ *
+ */
+ public boolean hasMatch(final Turnout pT) {
+ return rawHasMatch(new Object[]{pT});
+ }
+
+ /**
+ * Returns the number of all matches of the pattern that conform to the given fixed values of some parameters.
+ * @param pT the fixed value of pattern parameter T, or null if not bound.
+ * @return the number of pattern matches found.
+ *
+ */
+ public int countMatches(final Turnout pT) {
+ return rawCountMatches(new Object[]{pT});
+ }
+
+ /**
+ * Executes the given processor on an arbitrarily chosen match of the pattern that conforms to the given fixed values of some parameters.
+ * Neither determinism nor randomness of selection is guaranteed.
+ * @param pT the fixed value of pattern parameter T, or null if not bound.
+ * @param processor the action that will process the selected match.
+ * @return true if the pattern has at least one match with the given parameter values, false if the processor was not invoked
+ *
+ */
+ public boolean forOneArbitraryMatch(final Turnout pT, final Consumer super OutputReflexive.Match> processor) {
+ return rawForOneArbitraryMatch(new Object[]{pT}, processor);
+ }
+
+ /**
+ * Returns a new (partial) match.
+ * This can be used e.g. to call the matcher with a partial match.
+ * The returned match will be immutable. Use {@link #newEmptyMatch()} to obtain a mutable match object.
+ * @param pT the fixed value of pattern parameter T, or null if not bound.
+ * @return the (partial) match object.
+ *
+ */
+ public OutputReflexive.Match newMatch(final Turnout pT) {
+ return OutputReflexive.Match.newMatch(pT);
+ }
+
+ /**
+ * Retrieve the set of values that occur in matches for T.
+ * @return the Set of all values or empty set if there are no matches
+ *
+ */
+ protected Stream rawStreamAllValuesOfT(final Object[] parameters) {
+ return rawStreamAllValues(POSITION_T, parameters).map(Turnout.class::cast);
+ }
+
+ /**
+ * Retrieve the set of values that occur in matches for T.
+ * @return the Set of all values or empty set if there are no matches
+ *
+ */
+ public Set getAllValuesOfT() {
+ return rawStreamAllValuesOfT(emptyArray()).collect(Collectors.toSet());
+ }
+
+ /**
+ * Retrieve the set of values that occur in matches for T.
+ * @return the Set of all values or empty set if there are no matches
+ *
+ */
+ public Stream streamAllValuesOfT() {
+ return rawStreamAllValuesOfT(emptyArray());
+ }
+
+ @Override
+ protected OutputReflexive.Match tupleToMatch(final Tuple t) {
+ try {
+ return OutputReflexive.Match.newMatch((Turnout) t.get(POSITION_T));
+ } catch(ClassCastException e) {
+ LOGGER.error("Element(s) in tuple not properly typed!",e);
+ return null;
+ }
+ }
+
+ @Override
+ protected OutputReflexive.Match arrayToMatch(final Object[] match) {
+ try {
+ return OutputReflexive.Match.newMatch((Turnout) match[POSITION_T]);
+ } catch(ClassCastException e) {
+ LOGGER.error("Element(s) in array not properly typed!",e);
+ return null;
+ }
+ }
+
+ @Override
+ protected OutputReflexive.Match arrayToMatchMutable(final Object[] match) {
+ try {
+ return OutputReflexive.Match.newMutableMatch((Turnout) match[POSITION_T]);
+ } catch(ClassCastException e) {
+ LOGGER.error("Element(s) in array not properly typed!",e);
+ return null;
+ }
+ }
+
+ /**
+ * @return the singleton instance of the query specification of this pattern
+ * @throws ViatraQueryRuntimeException if the pattern definition could not be loaded
+ *
+ */
+ public static IQuerySpecification querySpecification() {
+ return OutputReflexive.instance();
+ }
+ }
+
+ private OutputReflexive() {
+ super(GeneratedPQuery.INSTANCE);
+ }
+
+ /**
+ * @return the singleton instance of the query specification
+ * @throws ViatraQueryRuntimeException if the pattern definition could not be loaded
+ *
+ */
+ public static OutputReflexive instance() {
+ try{
+ return LazyHolder.INSTANCE;
+ } catch (ExceptionInInitializerError err) {
+ throw processInitializerError(err);
+ }
+ }
+
+ @Override
+ protected OutputReflexive.Matcher instantiate(final ViatraQueryEngine engine) {
+ return OutputReflexive.Matcher.on(engine);
+ }
+
+ @Override
+ public OutputReflexive.Matcher instantiate() {
+ return OutputReflexive.Matcher.create();
+ }
+
+ @Override
+ public OutputReflexive.Match newEmptyMatch() {
+ return OutputReflexive.Match.newEmptyMatch();
+ }
+
+ @Override
+ public OutputReflexive.Match newMatch(final Object... parameters) {
+ return OutputReflexive.Match.newMatch((modes3.Turnout) parameters[0]);
+ }
+
+ /**
+ * Inner class allowing the singleton instance of {@link OutputReflexive} to be created
+ * not at the class load time of the outer class,
+ * but rather at the first call to {@link OutputReflexive#instance()}.
+ *
+ * This workaround is required e.g. to support recursion.
+ *
+ */
+ private static class LazyHolder {
+ private static final OutputReflexive INSTANCE = new OutputReflexive();
+
+ /**
+ * Statically initializes the query specification after the field {@link #INSTANCE} is assigned.
+ * This initialization order is required to support indirect recursion.
+ *
+ *
The static initializer is defined using a helper field to work around limitations of the code generator.
+ *
+ */
+ private static final Object STATIC_INITIALIZER = ensureInitialized();
+
+ public static Object ensureInitialized() {
+ INSTANCE.ensureInitializedInternal();
+ return null;
+ }
+ }
+
+ private static class GeneratedPQuery extends BaseGeneratedEMFPQuery {
+ private static final OutputReflexive.GeneratedPQuery INSTANCE = new GeneratedPQuery();
+
+ private final PParameter parameter_T = new PParameter("T", "modes3.Turnout", new EClassTransitiveInstancesKey((EClass)getClassifierLiteralSafe("http://www.ece.mcgill.ca/wcet/modes3", "Turnout")), PParameterDirection.INOUT);
+
+ private final List parameters = Arrays.asList(parameter_T);
+
+ private GeneratedPQuery() {
+ super(PVisibility.PUBLIC);
+ }
+
+ @Override
+ public String getFullyQualifiedName() {
+ return "modes3.queries.outputReflexive";
+ }
+
+ @Override
+ public List getParameterNames() {
+ return Arrays.asList("T");
+ }
+
+ @Override
+ public List getParameters() {
+ return parameters;
+ }
+
+ @Override
+ public Set doGetContainedBodies() {
+ setEvaluationHints(new QueryEvaluationHint(null, QueryEvaluationHint.BackendRequirement.UNSPECIFIED));
+ Set bodies = new LinkedHashSet<>();
+ {
+ PBody body = new PBody(this);
+ PVariable var_T = body.getOrCreateVariableByName("T");
+ new TypeConstraint(body, Tuples.flatTupleOf(var_T), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("http://www.ece.mcgill.ca/wcet/modes3", "Turnout")));
+ body.setSymbolicParameters(Arrays.asList(
+ new ExportedParameter(body, var_T, parameter_T)
+ ));
+ // find turnoutOutput(T, T)
+ new PositivePatternCall(body, Tuples.flatTupleOf(var_T, var_T), TurnoutOutput.instance().getInternalQueryRepresentation());
+ bodies.add(body);
+ }
+ {
+ PAnnotation annotation = new PAnnotation("Constraint");
+ annotation.addAttribute("message", "outputReflexive");
+ annotation.addAttribute("severity", "error");
+ annotation.addAttribute("key", Arrays.asList(new Object[] {
+ new ParameterReference("T")
+ }));
+ addAnnotation(annotation);
+ }
+ return bodies;
+ }
+ }
+}
diff --git a/Domains/ca.mcgill.rtgmrt.example.modes3/vql-gen/modes3/queries/Reachable.java b/Domains/ca.mcgill.rtgmrt.example.modes3/vql-gen/modes3/queries/Reachable.java
new file mode 100644
index 00000000..93d43c21
--- /dev/null
+++ b/Domains/ca.mcgill.rtgmrt.example.modes3/vql-gen/modes3/queries/Reachable.java
@@ -0,0 +1,719 @@
+/**
+ * Generated from platform:/resource/ca.mcgill.rtgmrt.example.modes3/src/modes3/queries/Modes3Queries.vql
+ */
+package modes3.queries;
+
+import java.util.Arrays;
+import java.util.Collection;
+import java.util.LinkedHashSet;
+import java.util.List;
+import java.util.Objects;
+import java.util.Optional;
+import java.util.Set;
+import java.util.function.Consumer;
+import java.util.stream.Collectors;
+import java.util.stream.Stream;
+import modes3.Segment;
+import modes3.queries.Adjacent;
+import org.apache.log4j.Logger;
+import org.eclipse.emf.ecore.EClass;
+import org.eclipse.viatra.query.runtime.api.IPatternMatch;
+import org.eclipse.viatra.query.runtime.api.IQuerySpecification;
+import org.eclipse.viatra.query.runtime.api.ViatraQueryEngine;
+import org.eclipse.viatra.query.runtime.api.impl.BaseGeneratedEMFPQuery;
+import org.eclipse.viatra.query.runtime.api.impl.BaseGeneratedEMFQuerySpecification;
+import org.eclipse.viatra.query.runtime.api.impl.BaseMatcher;
+import org.eclipse.viatra.query.runtime.api.impl.BasePatternMatch;
+import org.eclipse.viatra.query.runtime.emf.types.EClassTransitiveInstancesKey;
+import org.eclipse.viatra.query.runtime.matchers.backend.QueryEvaluationHint;
+import org.eclipse.viatra.query.runtime.matchers.psystem.PBody;
+import org.eclipse.viatra.query.runtime.matchers.psystem.PVariable;
+import org.eclipse.viatra.query.runtime.matchers.psystem.basicdeferred.Equality;
+import org.eclipse.viatra.query.runtime.matchers.psystem.basicdeferred.ExportedParameter;
+import org.eclipse.viatra.query.runtime.matchers.psystem.basicenumerables.BinaryTransitiveClosure;
+import org.eclipse.viatra.query.runtime.matchers.psystem.basicenumerables.TypeConstraint;
+import org.eclipse.viatra.query.runtime.matchers.psystem.queries.PParameter;
+import org.eclipse.viatra.query.runtime.matchers.psystem.queries.PParameterDirection;
+import org.eclipse.viatra.query.runtime.matchers.psystem.queries.PVisibility;
+import org.eclipse.viatra.query.runtime.matchers.tuple.Tuple;
+import org.eclipse.viatra.query.runtime.matchers.tuple.Tuples;
+import org.eclipse.viatra.query.runtime.util.ViatraQueryLoggingUtil;
+
+/**
+ * A pattern-specific query specification that can instantiate Matcher in a type-safe way.
+ *
+ * Original source:
+ *
+ * pattern reachable(S1 : Segment, S2 : Segment) {
+ * S1 == S2;
+ * } or {
+ * find adjacent+(S1, S2);
+ * }
+ *
+ *
+ * @see Matcher
+ * @see Match
+ *
+ */
+@SuppressWarnings("all")
+public final class Reachable extends BaseGeneratedEMFQuerySpecification {
+ /**
+ * Pattern-specific match representation of the modes3.queries.reachable pattern,
+ * to be used in conjunction with {@link Matcher}.
+ *
+ * Class fields correspond to parameters of the pattern. Fields with value null are considered unassigned.
+ * Each instance is a (possibly partial) substitution of pattern parameters,
+ * usable to represent a match of the pattern in the result of a query,
+ * or to specify the bound (fixed) input parameters when issuing a query.
+ *
+ * @see Matcher
+ *
+ */
+ public static abstract class Match extends BasePatternMatch {
+ private Segment fS1;
+
+ private Segment fS2;
+
+ private static List parameterNames = makeImmutableList("S1", "S2");
+
+ private Match(final Segment pS1, final Segment pS2) {
+ this.fS1 = pS1;
+ this.fS2 = pS2;
+ }
+
+ @Override
+ public Object get(final String parameterName) {
+ switch(parameterName) {
+ case "S1": return this.fS1;
+ case "S2": return this.fS2;
+ default: return null;
+ }
+ }
+
+ @Override
+ public Object get(final int index) {
+ switch(index) {
+ case 0: return this.fS1;
+ case 1: return this.fS2;
+ default: return null;
+ }
+ }
+
+ public Segment getS1() {
+ return this.fS1;
+ }
+
+ public Segment getS2() {
+ return this.fS2;
+ }
+
+ @Override
+ public boolean set(final String parameterName, final Object newValue) {
+ if (!isMutable()) throw new java.lang.UnsupportedOperationException();
+ if ("S1".equals(parameterName) ) {
+ this.fS1 = (Segment) newValue;
+ return true;
+ }
+ if ("S2".equals(parameterName) ) {
+ this.fS2 = (Segment) newValue;
+ return true;
+ }
+ return false;
+ }
+
+ public void setS1(final Segment pS1) {
+ if (!isMutable()) throw new java.lang.UnsupportedOperationException();
+ this.fS1 = pS1;
+ }
+
+ public void setS2(final Segment pS2) {
+ if (!isMutable()) throw new java.lang.UnsupportedOperationException();
+ this.fS2 = pS2;
+ }
+
+ @Override
+ public String patternName() {
+ return "modes3.queries.reachable";
+ }
+
+ @Override
+ public List parameterNames() {
+ return Reachable.Match.parameterNames;
+ }
+
+ @Override
+ public Object[] toArray() {
+ return new Object[]{fS1, fS2};
+ }
+
+ @Override
+ public Reachable.Match toImmutable() {
+ return isMutable() ? newMatch(fS1, fS2) : this;
+ }
+
+ @Override
+ public String prettyPrint() {
+ StringBuilder result = new StringBuilder();
+ result.append("\"S1\"=" + prettyPrintValue(fS1) + ", ");
+ result.append("\"S2\"=" + prettyPrintValue(fS2));
+ return result.toString();
+ }
+
+ @Override
+ public int hashCode() {
+ return Objects.hash(fS1, fS2);
+ }
+
+ @Override
+ public boolean equals(final Object obj) {
+ if (this == obj)
+ return true;
+ if (obj == null) {
+ return false;
+ }
+ if ((obj instanceof Reachable.Match)) {
+ Reachable.Match other = (Reachable.Match) obj;
+ return Objects.equals(fS1, other.fS1) && Objects.equals(fS2, other.fS2);
+ } else {
+ // this should be infrequent
+ if (!(obj instanceof IPatternMatch)) {
+ return false;
+ }
+ IPatternMatch otherSig = (IPatternMatch) obj;
+ return Objects.equals(specification(), otherSig.specification()) && Arrays.deepEquals(toArray(), otherSig.toArray());
+ }
+ }
+
+ @Override
+ public Reachable specification() {
+ return Reachable.instance();
+ }
+
+ /**
+ * Returns an empty, mutable match.
+ * Fields of the mutable match can be filled to create a partial match, usable as matcher input.
+ *
+ * @return the empty match.
+ *
+ */
+ public static Reachable.Match newEmptyMatch() {
+ return new Mutable(null, null);
+ }
+
+ /**
+ * Returns a mutable (partial) match.
+ * Fields of the mutable match can be filled to create a partial match, usable as matcher input.
+ *
+ * @param pS1 the fixed value of pattern parameter S1, or null if not bound.
+ * @param pS2 the fixed value of pattern parameter S2, or null if not bound.
+ * @return the new, mutable (partial) match object.
+ *
+ */
+ public static Reachable.Match newMutableMatch(final Segment pS1, final Segment pS2) {
+ return new Mutable(pS1, pS2);
+ }
+
+ /**
+ * Returns a new (partial) match.
+ * This can be used e.g. to call the matcher with a partial match.
+ * The returned match will be immutable. Use {@link #newEmptyMatch()} to obtain a mutable match object.
+ * @param pS1 the fixed value of pattern parameter S1, or null if not bound.
+ * @param pS2 the fixed value of pattern parameter S2, or null if not bound.
+ * @return the (partial) match object.
+ *
+ */
+ public static Reachable.Match newMatch(final Segment pS1, final Segment pS2) {
+ return new Immutable(pS1, pS2);
+ }
+
+ private static final class Mutable extends Reachable.Match {
+ Mutable(final Segment pS1, final Segment pS2) {
+ super(pS1, pS2);
+ }
+
+ @Override
+ public boolean isMutable() {
+ return true;
+ }
+ }
+
+ private static final class Immutable extends Reachable.Match {
+ Immutable(final Segment pS1, final Segment pS2) {
+ super(pS1, pS2);
+ }
+
+ @Override
+ public boolean isMutable() {
+ return false;
+ }
+ }
+ }
+
+ /**
+ * Generated pattern matcher API of the modes3.queries.reachable pattern,
+ * providing pattern-specific query methods.
+ *
+ *
Use the pattern matcher on a given model via {@link #on(ViatraQueryEngine)},
+ * e.g. in conjunction with {@link ViatraQueryEngine#on(QueryScope)}.
+ *
+ *
Matches of the pattern will be represented as {@link Match}.
+ *
+ *
Original source:
+ *
+ * pattern reachable(S1 : Segment, S2 : Segment) {
+ * S1 == S2;
+ * } or {
+ * find adjacent+(S1, S2);
+ * }
+ *
+ *
+ * @see Match
+ * @see Reachable
+ *
+ */
+ public static class Matcher extends BaseMatcher {
+ /**
+ * Initializes the pattern matcher within an existing VIATRA Query engine.
+ * If the pattern matcher is already constructed in the engine, only a light-weight reference is returned.
+ *
+ * @param engine the existing VIATRA Query engine in which this matcher will be created.
+ * @throws ViatraQueryRuntimeException if an error occurs during pattern matcher creation
+ *
+ */
+ public static Reachable.Matcher on(final ViatraQueryEngine engine) {
+ // check if matcher already exists
+ Matcher matcher = engine.getExistingMatcher(querySpecification());
+ if (matcher == null) {
+ matcher = (Matcher)engine.getMatcher(querySpecification());
+ }
+ return matcher;
+ }
+
+ /**
+ * @throws ViatraQueryRuntimeException if an error occurs during pattern matcher creation
+ * @return an initialized matcher
+ * @noreference This method is for internal matcher initialization by the framework, do not call it manually.
+ *
+ */
+ public static Reachable.Matcher create() {
+ return new Matcher();
+ }
+
+ private static final int POSITION_S1 = 0;
+
+ private static final int POSITION_S2 = 1;
+
+ private static final Logger LOGGER = ViatraQueryLoggingUtil.getLogger(Reachable.Matcher.class);
+
+ /**
+ * Initializes the pattern matcher within an existing VIATRA Query engine.
+ * If the pattern matcher is already constructed in the engine, only a light-weight reference is returned.
+ *
+ * @param engine the existing VIATRA Query engine in which this matcher will be created.
+ * @throws ViatraQueryRuntimeException if an error occurs during pattern matcher creation
+ *
+ */
+ private Matcher() {
+ super(querySpecification());
+ }
+
+ /**
+ * Returns the set of all matches of the pattern that conform to the given fixed values of some parameters.
+ * @param pS1 the fixed value of pattern parameter S1, or null if not bound.
+ * @param pS2 the fixed value of pattern parameter S2, or null if not bound.
+ * @return matches represented as a Match object.
+ *
+ */
+ public Collection getAllMatches(final Segment pS1, final Segment pS2) {
+ return rawStreamAllMatches(new Object[]{pS1, pS2}).collect(Collectors.toSet());
+ }
+
+ /**
+ * Returns a stream of all matches of the pattern that conform to the given fixed values of some parameters.
+ *
+ * NOTE: It is important not to modify the source model while the stream is being processed.
+ * If the match set of the pattern changes during processing, the contents of the stream is undefined.
+ * In such cases, either rely on {@link #getAllMatches()} or collect the results of the stream in end-user code.
+ * @param pS1 the fixed value of pattern parameter S1, or null if not bound.
+ * @param pS2 the fixed value of pattern parameter S2, or null if not bound.
+ * @return a stream of matches represented as a Match object.
+ *
+ */
+ public Stream streamAllMatches(final Segment pS1, final Segment pS2) {
+ return rawStreamAllMatches(new Object[]{pS1, pS2});
+ }
+
+ /**
+ * Returns an arbitrarily chosen match of the pattern that conforms to the given fixed values of some parameters.
+ * Neither determinism nor randomness of selection is guaranteed.
+ * @param pS1 the fixed value of pattern parameter S1, or null if not bound.
+ * @param pS2 the fixed value of pattern parameter S2, or null if not bound.
+ * @return a match represented as a Match object, or null if no match is found.
+ *
+ */
+ public Optional getOneArbitraryMatch(final Segment pS1, final Segment pS2) {
+ return rawGetOneArbitraryMatch(new Object[]{pS1, pS2});
+ }
+
+ /**
+ * Indicates whether the given combination of specified pattern parameters constitute a valid pattern match,
+ * under any possible substitution of the unspecified parameters (if any).
+ * @param pS1 the fixed value of pattern parameter S1, or null if not bound.
+ * @param pS2 the fixed value of pattern parameter S2, or null if not bound.
+ * @return true if the input is a valid (partial) match of the pattern.
+ *
+ */
+ public boolean hasMatch(final Segment pS1, final Segment pS2) {
+ return rawHasMatch(new Object[]{pS1, pS2});
+ }
+
+ /**
+ * Returns the number of all matches of the pattern that conform to the given fixed values of some parameters.
+ * @param pS1 the fixed value of pattern parameter S1, or null if not bound.
+ * @param pS2 the fixed value of pattern parameter S2, or null if not bound.
+ * @return the number of pattern matches found.
+ *
+ */
+ public int countMatches(final Segment pS1, final Segment pS2) {
+ return rawCountMatches(new Object[]{pS1, pS2});
+ }
+
+ /**
+ * Executes the given processor on an arbitrarily chosen match of the pattern that conforms to the given fixed values of some parameters.
+ * Neither determinism nor randomness of selection is guaranteed.
+ * @param pS1 the fixed value of pattern parameter S1, or null if not bound.
+ * @param pS2 the fixed value of pattern parameter S2, or null if not bound.
+ * @param processor the action that will process the selected match.
+ * @return true if the pattern has at least one match with the given parameter values, false if the processor was not invoked
+ *
+ */
+ public boolean forOneArbitraryMatch(final Segment pS1, final Segment pS2, final Consumer super Reachable.Match> processor) {
+ return rawForOneArbitraryMatch(new Object[]{pS1, pS2}, processor);
+ }
+
+ /**
+ * Returns a new (partial) match.
+ * This can be used e.g. to call the matcher with a partial match.
+ * The returned match will be immutable. Use {@link #newEmptyMatch()} to obtain a mutable match object.
+ * @param pS1 the fixed value of pattern parameter S1, or null if not bound.
+ * @param pS2 the fixed value of pattern parameter S2, or null if not bound.
+ * @return the (partial) match object.
+ *
+ */
+ public Reachable.Match newMatch(final Segment pS1, final Segment pS2) {
+ return Reachable.Match.newMatch(pS1, pS2);
+ }
+
+ /**
+ * Retrieve the set of values that occur in matches for S1.
+ * @return the Set of all values or empty set if there are no matches
+ *
+ */
+ protected Stream rawStreamAllValuesOfS1(final Object[] parameters) {
+ return rawStreamAllValues(POSITION_S1, parameters).map(Segment.class::cast);
+ }
+
+ /**
+ * Retrieve the set of values that occur in matches for S1.
+ * @return the Set of all values or empty set if there are no matches
+ *
+ */
+ public Set getAllValuesOfS1() {
+ return rawStreamAllValuesOfS1(emptyArray()).collect(Collectors.toSet());
+ }
+
+ /**
+ * Retrieve the set of values that occur in matches for S1.
+ * @return the Set of all values or empty set if there are no matches
+ *
+ */
+ public Stream streamAllValuesOfS1() {
+ return rawStreamAllValuesOfS1(emptyArray());
+ }
+
+ /**
+ * Retrieve the set of values that occur in matches for S1.
+ *
+ * NOTE: It is important not to modify the source model while the stream is being processed.
+ * If the match set of the pattern changes during processing, the contents of the stream is undefined.
+ * In such cases, either rely on {@link #getAllMatches()} or collect the results of the stream in end-user code.
+ *
+ * @return the Stream of all values or empty set if there are no matches
+ *
+ */
+ public Stream streamAllValuesOfS1(final Reachable.Match partialMatch) {
+ return rawStreamAllValuesOfS1(partialMatch.toArray());
+ }
+
+ /**
+ * Retrieve the set of values that occur in matches for S1.
+ *
+ * NOTE: It is important not to modify the source model while the stream is being processed.
+ * If the match set of the pattern changes during processing, the contents of the stream is undefined.
+ * In such cases, either rely on {@link #getAllMatches()} or collect the results of the stream in end-user code.
+ *
+ * @return the Stream of all values or empty set if there are no matches
+ *
+ */
+ public Stream streamAllValuesOfS1(final Segment pS2) {
+ return rawStreamAllValuesOfS1(new Object[]{null, pS2});
+ }
+
+ /**
+ * Retrieve the set of values that occur in matches for S1.
+ * @return the Set of all values or empty set if there are no matches
+ *
+ */
+ public Set getAllValuesOfS1(final Reachable.Match partialMatch) {
+ return rawStreamAllValuesOfS1(partialMatch.toArray()).collect(Collectors.toSet());
+ }
+
+ /**
+ * Retrieve the set of values that occur in matches for S1.
+ * @return the Set of all values or empty set if there are no matches
+ *
+ */
+ public Set getAllValuesOfS1(final Segment pS2) {
+ return rawStreamAllValuesOfS1(new Object[]{null, pS2}).collect(Collectors.toSet());
+ }
+
+ /**
+ * Retrieve the set of values that occur in matches for S2.
+ * @return the Set of all values or empty set if there are no matches
+ *
+ */
+ protected Stream rawStreamAllValuesOfS2(final Object[] parameters) {
+ return rawStreamAllValues(POSITION_S2, parameters).map(Segment.class::cast);
+ }
+
+ /**
+ * Retrieve the set of values that occur in matches for S2.
+ * @return the Set of all values or empty set if there are no matches
+ *
+ */
+ public Set getAllValuesOfS2() {
+ return rawStreamAllValuesOfS2(emptyArray()).collect(Collectors.toSet());
+ }
+
+ /**
+ * Retrieve the set of values that occur in matches for S2.
+ * @return the Set of all values or empty set if there are no matches
+ *
+ */
+ public Stream streamAllValuesOfS2() {
+ return rawStreamAllValuesOfS2(emptyArray());
+ }
+
+ /**
+ * Retrieve the set of values that occur in matches for S2.
+ *
+ * NOTE: It is important not to modify the source model while the stream is being processed.
+ * If the match set of the pattern changes during processing, the contents of the stream is undefined.
+ * In such cases, either rely on {@link #getAllMatches()} or collect the results of the stream in end-user code.
+ *
+ * @return the Stream of all values or empty set if there are no matches
+ *
+ */
+ public Stream streamAllValuesOfS2(final Reachable.Match partialMatch) {
+ return rawStreamAllValuesOfS2(partialMatch.toArray());
+ }
+
+ /**
+ * Retrieve the set of values that occur in matches for S2.
+ *
+ * NOTE: It is important not to modify the source model while the stream is being processed.
+ * If the match set of the pattern changes during processing, the contents of the stream is undefined.
+ * In such cases, either rely on {@link #getAllMatches()} or collect the results of the stream in end-user code.
+ *
+ * @return the Stream of all values or empty set if there are no matches
+ *
+ */
+ public Stream streamAllValuesOfS2(final Segment pS1) {
+ return rawStreamAllValuesOfS2(new Object[]{pS1, null});
+ }
+
+ /**
+ * Retrieve the set of values that occur in matches for S2.
+ * @return the Set of all values or empty set if there are no matches
+ *
+ */
+ public Set getAllValuesOfS2(final Reachable.Match partialMatch) {
+ return rawStreamAllValuesOfS2(partialMatch.toArray()).collect(Collectors.toSet());
+ }
+
+ /**
+ * Retrieve the set of values that occur in matches for S2.
+ * @return the Set of all values or empty set if there are no matches
+ *
+ */
+ public Set getAllValuesOfS2(final Segment pS1) {
+ return rawStreamAllValuesOfS2(new Object[]{pS1, null}).collect(Collectors.toSet());
+ }
+
+ @Override
+ protected Reachable.Match tupleToMatch(final Tuple t) {
+ try {
+ return Reachable.Match.newMatch((Segment) t.get(POSITION_S1), (Segment) t.get(POSITION_S2));
+ } catch(ClassCastException e) {
+ LOGGER.error("Element(s) in tuple not properly typed!",e);
+ return null;
+ }
+ }
+
+ @Override
+ protected Reachable.Match arrayToMatch(final Object[] match) {
+ try {
+ return Reachable.Match.newMatch((Segment) match[POSITION_S1], (Segment) match[POSITION_S2]);
+ } catch(ClassCastException e) {
+ LOGGER.error("Element(s) in array not properly typed!",e);
+ return null;
+ }
+ }
+
+ @Override
+ protected Reachable.Match arrayToMatchMutable(final Object[] match) {
+ try {
+ return Reachable.Match.newMutableMatch((Segment) match[POSITION_S1], (Segment) match[POSITION_S2]);
+ } catch(ClassCastException e) {
+ LOGGER.error("Element(s) in array not properly typed!",e);
+ return null;
+ }
+ }
+
+ /**
+ * @return the singleton instance of the query specification of this pattern
+ * @throws ViatraQueryRuntimeException if the pattern definition could not be loaded
+ *
+ */
+ public static IQuerySpecification querySpecification() {
+ return Reachable.instance();
+ }
+ }
+
+ private Reachable() {
+ super(GeneratedPQuery.INSTANCE);
+ }
+
+ /**
+ * @return the singleton instance of the query specification
+ * @throws ViatraQueryRuntimeException if the pattern definition could not be loaded
+ *
+ */
+ public static Reachable instance() {
+ try{
+ return LazyHolder.INSTANCE;
+ } catch (ExceptionInInitializerError err) {
+ throw processInitializerError(err);
+ }
+ }
+
+ @Override
+ protected Reachable.Matcher instantiate(final ViatraQueryEngine engine) {
+ return Reachable.Matcher.on(engine);
+ }
+
+ @Override
+ public Reachable.Matcher instantiate() {
+ return Reachable.Matcher.create();
+ }
+
+ @Override
+ public Reachable.Match newEmptyMatch() {
+ return Reachable.Match.newEmptyMatch();
+ }
+
+ @Override
+ public Reachable.Match newMatch(final Object... parameters) {
+ return Reachable.Match.newMatch((modes3.Segment) parameters[0], (modes3.Segment) parameters[1]);
+ }
+
+ /**
+ * Inner class allowing the singleton instance of {@link Reachable} to be created
+ * not at the class load time of the outer class,
+ * but rather at the first call to {@link Reachable#instance()}.
+ *
+ * This workaround is required e.g. to support recursion.
+ *
+ */
+ private static class LazyHolder {
+ private static final Reachable INSTANCE = new Reachable();
+
+ /**
+ * Statically initializes the query specification after the field {@link #INSTANCE} is assigned.
+ * This initialization order is required to support indirect recursion.
+ *
+ *
The static initializer is defined using a helper field to work around limitations of the code generator.
+ *
+ */
+ private static final Object STATIC_INITIALIZER = ensureInitialized();
+
+ public static Object ensureInitialized() {
+ INSTANCE.ensureInitializedInternal();
+ return null;
+ }
+ }
+
+ private static class GeneratedPQuery extends BaseGeneratedEMFPQuery {
+ private static final Reachable.GeneratedPQuery INSTANCE = new GeneratedPQuery();
+
+ private final PParameter parameter_S1 = new PParameter("S1", "modes3.Segment", new EClassTransitiveInstancesKey((EClass)getClassifierLiteralSafe("http://www.ece.mcgill.ca/wcet/modes3", "Segment")), PParameterDirection.INOUT);
+
+ private final PParameter parameter_S2 = new PParameter("S2", "modes3.Segment", new EClassTransitiveInstancesKey((EClass)getClassifierLiteralSafe("http://www.ece.mcgill.ca/wcet/modes3", "Segment")), PParameterDirection.INOUT);
+
+ private final List parameters = Arrays.asList(parameter_S1, parameter_S2);
+
+ private GeneratedPQuery() {
+ super(PVisibility.PUBLIC);
+ }
+
+ @Override
+ public String getFullyQualifiedName() {
+ return "modes3.queries.reachable";
+ }
+
+ @Override
+ public List getParameterNames() {
+ return Arrays.asList("S1","S2");
+ }
+
+ @Override
+ public List getParameters() {
+ return parameters;
+ }
+
+ @Override
+ public Set doGetContainedBodies() {
+ setEvaluationHints(new QueryEvaluationHint(null, QueryEvaluationHint.BackendRequirement.UNSPECIFIED));
+ Set bodies = new LinkedHashSet<>();
+ {
+ PBody body = new PBody(this);
+ PVariable var_S1 = body.getOrCreateVariableByName("S1");
+ PVariable var_S2 = body.getOrCreateVariableByName("S2");
+ new TypeConstraint(body, Tuples.flatTupleOf(var_S1), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("http://www.ece.mcgill.ca/wcet/modes3", "Segment")));
+ new TypeConstraint(body, Tuples.flatTupleOf(var_S2), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("http://www.ece.mcgill.ca/wcet/modes3", "Segment")));
+ body.setSymbolicParameters(Arrays.asList(
+ new ExportedParameter(body, var_S1, parameter_S1),
+ new ExportedParameter(body, var_S2, parameter_S2)
+ ));
+ // S1 == S2
+ new Equality(body, var_S1, var_S2);
+ bodies.add(body);
+ }
+ {
+ PBody body = new PBody(this);
+ PVariable var_S1 = body.getOrCreateVariableByName("S1");
+ PVariable var_S2 = body.getOrCreateVariableByName("S2");
+ new TypeConstraint(body, Tuples.flatTupleOf(var_S1), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("http://www.ece.mcgill.ca/wcet/modes3", "Segment")));
+ new TypeConstraint(body, Tuples.flatTupleOf(var_S2), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("http://www.ece.mcgill.ca/wcet/modes3", "Segment")));
+ body.setSymbolicParameters(Arrays.asList(
+ new ExportedParameter(body, var_S1, parameter_S1),
+ new ExportedParameter(body, var_S2, parameter_S2)
+ ));
+ // find adjacent+(S1, S2)
+ new BinaryTransitiveClosure(body, Tuples.flatTupleOf(var_S1, var_S2), Adjacent.instance().getInternalQueryRepresentation());
+ bodies.add(body);
+ }
+ return bodies;
+ }
+ }
+}
diff --git a/Domains/ca.mcgill.rtgmrt.example.modes3/vql-gen/modes3/queries/TooManyExtraInputsOfTurnout.java b/Domains/ca.mcgill.rtgmrt.example.modes3/vql-gen/modes3/queries/TooManyExtraInputsOfTurnout.java
new file mode 100644
index 00000000..9f417795
--- /dev/null
+++ b/Domains/ca.mcgill.rtgmrt.example.modes3/vql-gen/modes3/queries/TooManyExtraInputsOfTurnout.java
@@ -0,0 +1,570 @@
+/**
+ * Generated from platform:/resource/ca.mcgill.rtgmrt.example.modes3/src/modes3/queries/Modes3Queries.vql
+ */
+package modes3.queries;
+
+import java.util.Arrays;
+import java.util.Collection;
+import java.util.LinkedHashSet;
+import java.util.List;
+import java.util.Objects;
+import java.util.Optional;
+import java.util.Set;
+import java.util.function.Consumer;
+import java.util.stream.Collectors;
+import java.util.stream.Stream;
+import modes3.Turnout;
+import modes3.queries.ExtraInputOfTurnout;
+import org.apache.log4j.Logger;
+import org.eclipse.emf.ecore.EClass;
+import org.eclipse.viatra.query.runtime.api.IPatternMatch;
+import org.eclipse.viatra.query.runtime.api.IQuerySpecification;
+import org.eclipse.viatra.query.runtime.api.ViatraQueryEngine;
+import org.eclipse.viatra.query.runtime.api.impl.BaseGeneratedEMFPQuery;
+import org.eclipse.viatra.query.runtime.api.impl.BaseGeneratedEMFQuerySpecification;
+import org.eclipse.viatra.query.runtime.api.impl.BaseMatcher;
+import org.eclipse.viatra.query.runtime.api.impl.BasePatternMatch;
+import org.eclipse.viatra.query.runtime.emf.types.EClassTransitiveInstancesKey;
+import org.eclipse.viatra.query.runtime.matchers.backend.QueryEvaluationHint;
+import org.eclipse.viatra.query.runtime.matchers.psystem.PBody;
+import org.eclipse.viatra.query.runtime.matchers.psystem.PVariable;
+import org.eclipse.viatra.query.runtime.matchers.psystem.annotations.PAnnotation;
+import org.eclipse.viatra.query.runtime.matchers.psystem.annotations.ParameterReference;
+import org.eclipse.viatra.query.runtime.matchers.psystem.basicdeferred.ExportedParameter;
+import org.eclipse.viatra.query.runtime.matchers.psystem.basicdeferred.Inequality;
+import org.eclipse.viatra.query.runtime.matchers.psystem.basicenumerables.PositivePatternCall;
+import org.eclipse.viatra.query.runtime.matchers.psystem.basicenumerables.TypeConstraint;
+import org.eclipse.viatra.query.runtime.matchers.psystem.queries.PParameter;
+import org.eclipse.viatra.query.runtime.matchers.psystem.queries.PParameterDirection;
+import org.eclipse.viatra.query.runtime.matchers.psystem.queries.PVisibility;
+import org.eclipse.viatra.query.runtime.matchers.tuple.Tuple;
+import org.eclipse.viatra.query.runtime.matchers.tuple.Tuples;
+import org.eclipse.viatra.query.runtime.util.ViatraQueryLoggingUtil;
+
+/**
+ * A pattern-specific query specification that can instantiate Matcher in a type-safe way.
+ *
+ * Original source:
+ *
+ * {@literal @}Constraint(message = "tooManyExtraInputsOfTurnout", severity = "error", key = { T })
+ * pattern tooManyExtraInputsOfTurnout(T : Turnout) {
+ * find extraInputOfTurnout(T, I1);
+ * find extraInputOfTurnout(T, I2);
+ * I1 != I2;
+ * }
+ *
+ *
+ * @see Matcher
+ * @see Match
+ *
+ */
+@SuppressWarnings("all")
+public final class TooManyExtraInputsOfTurnout extends BaseGeneratedEMFQuerySpecification {
+ /**
+ * Pattern-specific match representation of the modes3.queries.tooManyExtraInputsOfTurnout pattern,
+ * to be used in conjunction with {@link Matcher}.
+ *
+ * Class fields correspond to parameters of the pattern. Fields with value null are considered unassigned.
+ * Each instance is a (possibly partial) substitution of pattern parameters,
+ * usable to represent a match of the pattern in the result of a query,
+ * or to specify the bound (fixed) input parameters when issuing a query.
+ *
+ * @see Matcher
+ *
+ */
+ public static abstract class Match extends BasePatternMatch {
+ private Turnout fT;
+
+ private static List parameterNames = makeImmutableList("T");
+
+ private Match(final Turnout pT) {
+ this.fT = pT;
+ }
+
+ @Override
+ public Object get(final String parameterName) {
+ switch(parameterName) {
+ case "T": return this.fT;
+ default: return null;
+ }
+ }
+
+ @Override
+ public Object get(final int index) {
+ switch(index) {
+ case 0: return this.fT;
+ default: return null;
+ }
+ }
+
+ public Turnout getT() {
+ return this.fT;
+ }
+
+ @Override
+ public boolean set(final String parameterName, final Object newValue) {
+ if (!isMutable()) throw new java.lang.UnsupportedOperationException();
+ if ("T".equals(parameterName) ) {
+ this.fT = (Turnout) newValue;
+ return true;
+ }
+ return false;
+ }
+
+ public void setT(final Turnout pT) {
+ if (!isMutable()) throw new java.lang.UnsupportedOperationException();
+ this.fT = pT;
+ }
+
+ @Override
+ public String patternName() {
+ return "modes3.queries.tooManyExtraInputsOfTurnout";
+ }
+
+ @Override
+ public List parameterNames() {
+ return TooManyExtraInputsOfTurnout.Match.parameterNames;
+ }
+
+ @Override
+ public Object[] toArray() {
+ return new Object[]{fT};
+ }
+
+ @Override
+ public TooManyExtraInputsOfTurnout.Match toImmutable() {
+ return isMutable() ? newMatch(fT) : this;
+ }
+
+ @Override
+ public String prettyPrint() {
+ StringBuilder result = new StringBuilder();
+ result.append("\"T\"=" + prettyPrintValue(fT));
+ return result.toString();
+ }
+
+ @Override
+ public int hashCode() {
+ return Objects.hash(fT);
+ }
+
+ @Override
+ public boolean equals(final Object obj) {
+ if (this == obj)
+ return true;
+ if (obj == null) {
+ return false;
+ }
+ if ((obj instanceof TooManyExtraInputsOfTurnout.Match)) {
+ TooManyExtraInputsOfTurnout.Match other = (TooManyExtraInputsOfTurnout.Match) obj;
+ return Objects.equals(fT, other.fT);
+ } else {
+ // this should be infrequent
+ if (!(obj instanceof IPatternMatch)) {
+ return false;
+ }
+ IPatternMatch otherSig = (IPatternMatch) obj;
+ return Objects.equals(specification(), otherSig.specification()) && Arrays.deepEquals(toArray(), otherSig.toArray());
+ }
+ }
+
+ @Override
+ public TooManyExtraInputsOfTurnout specification() {
+ return TooManyExtraInputsOfTurnout.instance();
+ }
+
+ /**
+ * Returns an empty, mutable match.
+ * Fields of the mutable match can be filled to create a partial match, usable as matcher input.
+ *
+ * @return the empty match.
+ *
+ */
+ public static TooManyExtraInputsOfTurnout.Match newEmptyMatch() {
+ return new Mutable(null);
+ }
+
+ /**
+ * Returns a mutable (partial) match.
+ * Fields of the mutable match can be filled to create a partial match, usable as matcher input.
+ *
+ * @param pT the fixed value of pattern parameter T, or null if not bound.
+ * @return the new, mutable (partial) match object.
+ *
+ */
+ public static TooManyExtraInputsOfTurnout.Match newMutableMatch(final Turnout pT) {
+ return new Mutable(pT);
+ }
+
+ /**
+ * Returns a new (partial) match.
+ * This can be used e.g. to call the matcher with a partial match.
+ * The returned match will be immutable. Use {@link #newEmptyMatch()} to obtain a mutable match object.
+ * @param pT the fixed value of pattern parameter T, or null if not bound.
+ * @return the (partial) match object.
+ *
+ */
+ public static TooManyExtraInputsOfTurnout.Match newMatch(final Turnout pT) {
+ return new Immutable(pT);
+ }
+
+ private static final class Mutable extends TooManyExtraInputsOfTurnout.Match {
+ Mutable(final Turnout pT) {
+ super(pT);
+ }
+
+ @Override
+ public boolean isMutable() {
+ return true;
+ }
+ }
+
+ private static final class Immutable extends TooManyExtraInputsOfTurnout.Match {
+ Immutable(final Turnout pT) {
+ super(pT);
+ }
+
+ @Override
+ public boolean isMutable() {
+ return false;
+ }
+ }
+ }
+
+ /**
+ * Generated pattern matcher API of the modes3.queries.tooManyExtraInputsOfTurnout pattern,
+ * providing pattern-specific query methods.
+ *
+ *
Use the pattern matcher on a given model via {@link #on(ViatraQueryEngine)},
+ * e.g. in conjunction with {@link ViatraQueryEngine#on(QueryScope)}.
+ *
+ *
Matches of the pattern will be represented as {@link Match}.
+ *
+ *
Original source:
+ *
+ * {@literal @}Constraint(message = "tooManyExtraInputsOfTurnout", severity = "error", key = { T })
+ * pattern tooManyExtraInputsOfTurnout(T : Turnout) {
+ * find extraInputOfTurnout(T, I1);
+ * find extraInputOfTurnout(T, I2);
+ * I1 != I2;
+ * }
+ *
+ *
+ * @see Match
+ * @see TooManyExtraInputsOfTurnout
+ *
+ */
+ public static class Matcher extends BaseMatcher {
+ /**
+ * Initializes the pattern matcher within an existing VIATRA Query engine.
+ * If the pattern matcher is already constructed in the engine, only a light-weight reference is returned.
+ *
+ * @param engine the existing VIATRA Query engine in which this matcher will be created.
+ * @throws ViatraQueryRuntimeException if an error occurs during pattern matcher creation
+ *
+ */
+ public static TooManyExtraInputsOfTurnout.Matcher on(final ViatraQueryEngine engine) {
+ // check if matcher already exists
+ Matcher matcher = engine.getExistingMatcher(querySpecification());
+ if (matcher == null) {
+ matcher = (Matcher)engine.getMatcher(querySpecification());
+ }
+ return matcher;
+ }
+
+ /**
+ * @throws ViatraQueryRuntimeException if an error occurs during pattern matcher creation
+ * @return an initialized matcher
+ * @noreference This method is for internal matcher initialization by the framework, do not call it manually.
+ *
+ */
+ public static TooManyExtraInputsOfTurnout.Matcher create() {
+ return new Matcher();
+ }
+
+ private static final int POSITION_T = 0;
+
+ private static final Logger LOGGER = ViatraQueryLoggingUtil.getLogger(TooManyExtraInputsOfTurnout.Matcher.class);
+
+ /**
+ * Initializes the pattern matcher within an existing VIATRA Query engine.
+ * If the pattern matcher is already constructed in the engine, only a light-weight reference is returned.
+ *
+ * @param engine the existing VIATRA Query engine in which this matcher will be created.
+ * @throws ViatraQueryRuntimeException if an error occurs during pattern matcher creation
+ *
+ */
+ private Matcher() {
+ super(querySpecification());
+ }
+
+ /**
+ * Returns the set of all matches of the pattern that conform to the given fixed values of some parameters.
+ * @param pT the fixed value of pattern parameter T, or null if not bound.
+ * @return matches represented as a Match object.
+ *
+ */
+ public Collection getAllMatches(final Turnout pT) {
+ return rawStreamAllMatches(new Object[]{pT}).collect(Collectors.toSet());
+ }
+
+ /**
+ * Returns a stream of all matches of the pattern that conform to the given fixed values of some parameters.
+ *
+ * NOTE: It is important not to modify the source model while the stream is being processed.
+ * If the match set of the pattern changes during processing, the contents of the stream is undefined.
+ * In such cases, either rely on {@link #getAllMatches()} or collect the results of the stream in end-user code.
+ * @param pT the fixed value of pattern parameter T, or null if not bound.
+ * @return a stream of matches represented as a Match object.
+ *
+ */
+ public Stream streamAllMatches(final Turnout pT) {
+ return rawStreamAllMatches(new Object[]{pT});
+ }
+
+ /**
+ * Returns an arbitrarily chosen match of the pattern that conforms to the given fixed values of some parameters.
+ * Neither determinism nor randomness of selection is guaranteed.
+ * @param pT the fixed value of pattern parameter T, or null if not bound.
+ * @return a match represented as a Match object, or null if no match is found.
+ *
+ */
+ public Optional getOneArbitraryMatch(final Turnout pT) {
+ return rawGetOneArbitraryMatch(new Object[]{pT});
+ }
+
+ /**
+ * Indicates whether the given combination of specified pattern parameters constitute a valid pattern match,
+ * under any possible substitution of the unspecified parameters (if any).
+ * @param pT the fixed value of pattern parameter T, or null if not bound.
+ * @return true if the input is a valid (partial) match of the pattern.
+ *
+ */
+ public boolean hasMatch(final Turnout pT) {
+ return rawHasMatch(new Object[]{pT});
+ }
+
+ /**
+ * Returns the number of all matches of the pattern that conform to the given fixed values of some parameters.
+ * @param pT the fixed value of pattern parameter T, or null if not bound.
+ * @return the number of pattern matches found.
+ *
+ */
+ public int countMatches(final Turnout pT) {
+ return rawCountMatches(new Object[]{pT});
+ }
+
+ /**
+ * Executes the given processor on an arbitrarily chosen match of the pattern that conforms to the given fixed values of some parameters.
+ * Neither determinism nor randomness of selection is guaranteed.
+ * @param pT the fixed value of pattern parameter T, or null if not bound.
+ * @param processor the action that will process the selected match.
+ * @return true if the pattern has at least one match with the given parameter values, false if the processor was not invoked
+ *
+ */
+ public boolean forOneArbitraryMatch(final Turnout pT, final Consumer super TooManyExtraInputsOfTurnout.Match> processor) {
+ return rawForOneArbitraryMatch(new Object[]{pT}, processor);
+ }
+
+ /**
+ * Returns a new (partial) match.
+ * This can be used e.g. to call the matcher with a partial match.
+ * The returned match will be immutable. Use {@link #newEmptyMatch()} to obtain a mutable match object.
+ * @param pT the fixed value of pattern parameter T, or null if not bound.
+ * @return the (partial) match object.
+ *
+ */
+ public TooManyExtraInputsOfTurnout.Match newMatch(final Turnout pT) {
+ return TooManyExtraInputsOfTurnout.Match.newMatch(pT);
+ }
+
+ /**
+ * Retrieve the set of values that occur in matches for T.
+ * @return the Set of all values or empty set if there are no matches
+ *
+ */
+ protected Stream rawStreamAllValuesOfT(final Object[] parameters) {
+ return rawStreamAllValues(POSITION_T, parameters).map(Turnout.class::cast);
+ }
+
+ /**
+ * Retrieve the set of values that occur in matches for T.
+ * @return the Set of all values or empty set if there are no matches
+ *
+ */
+ public Set getAllValuesOfT() {
+ return rawStreamAllValuesOfT(emptyArray()).collect(Collectors.toSet());
+ }
+
+ /**
+ * Retrieve the set of values that occur in matches for T.
+ * @return the Set of all values or empty set if there are no matches
+ *
+ */
+ public Stream streamAllValuesOfT() {
+ return rawStreamAllValuesOfT(emptyArray());
+ }
+
+ @Override
+ protected TooManyExtraInputsOfTurnout.Match tupleToMatch(final Tuple t) {
+ try {
+ return TooManyExtraInputsOfTurnout.Match.newMatch((Turnout) t.get(POSITION_T));
+ } catch(ClassCastException e) {
+ LOGGER.error("Element(s) in tuple not properly typed!",e);
+ return null;
+ }
+ }
+
+ @Override
+ protected TooManyExtraInputsOfTurnout.Match arrayToMatch(final Object[] match) {
+ try {
+ return TooManyExtraInputsOfTurnout.Match.newMatch((Turnout) match[POSITION_T]);
+ } catch(ClassCastException e) {
+ LOGGER.error("Element(s) in array not properly typed!",e);
+ return null;
+ }
+ }
+
+ @Override
+ protected TooManyExtraInputsOfTurnout.Match arrayToMatchMutable(final Object[] match) {
+ try {
+ return TooManyExtraInputsOfTurnout.Match.newMutableMatch((Turnout) match[POSITION_T]);
+ } catch(ClassCastException e) {
+ LOGGER.error("Element(s) in array not properly typed!",e);
+ return null;
+ }
+ }
+
+ /**
+ * @return the singleton instance of the query specification of this pattern
+ * @throws ViatraQueryRuntimeException if the pattern definition could not be loaded
+ *
+ */
+ public static IQuerySpecification querySpecification() {
+ return TooManyExtraInputsOfTurnout.instance();
+ }
+ }
+
+ private TooManyExtraInputsOfTurnout() {
+ super(GeneratedPQuery.INSTANCE);
+ }
+
+ /**
+ * @return the singleton instance of the query specification
+ * @throws ViatraQueryRuntimeException if the pattern definition could not be loaded
+ *
+ */
+ public static TooManyExtraInputsOfTurnout instance() {
+ try{
+ return LazyHolder.INSTANCE;
+ } catch (ExceptionInInitializerError err) {
+ throw processInitializerError(err);
+ }
+ }
+
+ @Override
+ protected TooManyExtraInputsOfTurnout.Matcher instantiate(final ViatraQueryEngine engine) {
+ return TooManyExtraInputsOfTurnout.Matcher.on(engine);
+ }
+
+ @Override
+ public TooManyExtraInputsOfTurnout.Matcher instantiate() {
+ return TooManyExtraInputsOfTurnout.Matcher.create();
+ }
+
+ @Override
+ public TooManyExtraInputsOfTurnout.Match newEmptyMatch() {
+ return TooManyExtraInputsOfTurnout.Match.newEmptyMatch();
+ }
+
+ @Override
+ public TooManyExtraInputsOfTurnout.Match newMatch(final Object... parameters) {
+ return TooManyExtraInputsOfTurnout.Match.newMatch((modes3.Turnout) parameters[0]);
+ }
+
+ /**
+ * Inner class allowing the singleton instance of {@link TooManyExtraInputsOfTurnout} to be created
+ * not at the class load time of the outer class,
+ * but rather at the first call to {@link TooManyExtraInputsOfTurnout#instance()}.
+ *
+ * This workaround is required e.g. to support recursion.
+ *
+ */
+ private static class LazyHolder {
+ private static final TooManyExtraInputsOfTurnout INSTANCE = new TooManyExtraInputsOfTurnout();
+
+ /**
+ * Statically initializes the query specification after the field {@link #INSTANCE} is assigned.
+ * This initialization order is required to support indirect recursion.
+ *
+ *
The static initializer is defined using a helper field to work around limitations of the code generator.
+ *
+ */
+ private static final Object STATIC_INITIALIZER = ensureInitialized();
+
+ public static Object ensureInitialized() {
+ INSTANCE.ensureInitializedInternal();
+ return null;
+ }
+ }
+
+ private static class GeneratedPQuery extends BaseGeneratedEMFPQuery {
+ private static final TooManyExtraInputsOfTurnout.GeneratedPQuery INSTANCE = new GeneratedPQuery();
+
+ private final PParameter parameter_T = new PParameter("T", "modes3.Turnout", new EClassTransitiveInstancesKey((EClass)getClassifierLiteralSafe("http://www.ece.mcgill.ca/wcet/modes3", "Turnout")), PParameterDirection.INOUT);
+
+ private final List parameters = Arrays.asList(parameter_T);
+
+ private GeneratedPQuery() {
+ super(PVisibility.PUBLIC);
+ }
+
+ @Override
+ public String getFullyQualifiedName() {
+ return "modes3.queries.tooManyExtraInputsOfTurnout";
+ }
+
+ @Override
+ public List getParameterNames() {
+ return Arrays.asList("T");
+ }
+
+ @Override
+ public List getParameters() {
+ return parameters;
+ }
+
+ @Override
+ public Set doGetContainedBodies() {
+ setEvaluationHints(new QueryEvaluationHint(null, QueryEvaluationHint.BackendRequirement.UNSPECIFIED));
+ Set bodies = new LinkedHashSet<>();
+ {
+ PBody body = new PBody(this);
+ PVariable var_T = body.getOrCreateVariableByName("T");
+ PVariable var_I1 = body.getOrCreateVariableByName("I1");
+ PVariable var_I2 = body.getOrCreateVariableByName("I2");
+ new TypeConstraint(body, Tuples.flatTupleOf(var_T), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("http://www.ece.mcgill.ca/wcet/modes3", "Turnout")));
+ body.setSymbolicParameters(Arrays.asList(
+ new ExportedParameter(body, var_T, parameter_T)
+ ));
+ // find extraInputOfTurnout(T, I1)
+ new PositivePatternCall(body, Tuples.flatTupleOf(var_T, var_I1), ExtraInputOfTurnout.instance().getInternalQueryRepresentation());
+ // find extraInputOfTurnout(T, I2)
+ new PositivePatternCall(body, Tuples.flatTupleOf(var_T, var_I2), ExtraInputOfTurnout.instance().getInternalQueryRepresentation());
+ // I1 != I2
+ new Inequality(body, var_I1, var_I2);
+ bodies.add(body);
+ }
+ {
+ PAnnotation annotation = new PAnnotation("Constraint");
+ annotation.addAttribute("message", "tooManyExtraInputsOfTurnout");
+ annotation.addAttribute("severity", "error");
+ annotation.addAttribute("key", Arrays.asList(new Object[] {
+ new ParameterReference("T")
+ }));
+ addAnnotation(annotation);
+ }
+ return bodies;
+ }
+ }
+}
diff --git a/Domains/ca.mcgill.rtgmrt.example.modes3/vql-gen/modes3/queries/TooManyInputsOfSegment.java b/Domains/ca.mcgill.rtgmrt.example.modes3/vql-gen/modes3/queries/TooManyInputsOfSegment.java
new file mode 100644
index 00000000..e5e8827c
--- /dev/null
+++ b/Domains/ca.mcgill.rtgmrt.example.modes3/vql-gen/modes3/queries/TooManyInputsOfSegment.java
@@ -0,0 +1,601 @@
+/**
+ * Generated from platform:/resource/ca.mcgill.rtgmrt.example.modes3/src/modes3/queries/Modes3Queries.vql
+ */
+package modes3.queries;
+
+import java.util.Arrays;
+import java.util.Collection;
+import java.util.LinkedHashSet;
+import java.util.List;
+import java.util.Objects;
+import java.util.Optional;
+import java.util.Set;
+import java.util.function.Consumer;
+import java.util.stream.Collectors;
+import java.util.stream.Stream;
+import modes3.Segment;
+import modes3.queries.Output;
+import modes3.queries.Turnout;
+import org.apache.log4j.Logger;
+import org.eclipse.emf.ecore.EClass;
+import org.eclipse.viatra.query.runtime.api.IPatternMatch;
+import org.eclipse.viatra.query.runtime.api.IQuerySpecification;
+import org.eclipse.viatra.query.runtime.api.ViatraQueryEngine;
+import org.eclipse.viatra.query.runtime.api.impl.BaseGeneratedEMFPQuery;
+import org.eclipse.viatra.query.runtime.api.impl.BaseGeneratedEMFQuerySpecification;
+import org.eclipse.viatra.query.runtime.api.impl.BaseMatcher;
+import org.eclipse.viatra.query.runtime.api.impl.BasePatternMatch;
+import org.eclipse.viatra.query.runtime.emf.types.EClassTransitiveInstancesKey;
+import org.eclipse.viatra.query.runtime.matchers.backend.QueryEvaluationHint;
+import org.eclipse.viatra.query.runtime.matchers.psystem.PBody;
+import org.eclipse.viatra.query.runtime.matchers.psystem.PVariable;
+import org.eclipse.viatra.query.runtime.matchers.psystem.annotations.PAnnotation;
+import org.eclipse.viatra.query.runtime.matchers.psystem.annotations.ParameterReference;
+import org.eclipse.viatra.query.runtime.matchers.psystem.basicdeferred.ExportedParameter;
+import org.eclipse.viatra.query.runtime.matchers.psystem.basicdeferred.Inequality;
+import org.eclipse.viatra.query.runtime.matchers.psystem.basicdeferred.NegativePatternCall;
+import org.eclipse.viatra.query.runtime.matchers.psystem.basicenumerables.PositivePatternCall;
+import org.eclipse.viatra.query.runtime.matchers.psystem.basicenumerables.TypeConstraint;
+import org.eclipse.viatra.query.runtime.matchers.psystem.queries.PParameter;
+import org.eclipse.viatra.query.runtime.matchers.psystem.queries.PParameterDirection;
+import org.eclipse.viatra.query.runtime.matchers.psystem.queries.PVisibility;
+import org.eclipse.viatra.query.runtime.matchers.tuple.Tuple;
+import org.eclipse.viatra.query.runtime.matchers.tuple.Tuples;
+import org.eclipse.viatra.query.runtime.util.ViatraQueryLoggingUtil;
+
+/**
+ * A pattern-specific query specification that can instantiate Matcher in a type-safe way.
+ *
+ * Original source:
+ *
+ * //{@literal @}Constraint(message = "noInputOfSegment", severity = "error", key = { S })
+ * //pattern noInputOfSegment(S : Segment) {
+ * // neg find turnout(S);
+ * // neg find output(_, S);
+ * //}
+ *
+ * {@literal @}Constraint(message = "tooManyInputsOfSegment", severity = "error", key = { S })
+ * pattern tooManyInputsOfSegment(S : Segment) {
+ * neg find turnout(S);
+ * find output(I1, S);
+ * find output(I2, S);
+ * find output(I3, S);
+ * I1 != I2;
+ * I1 != I3;
+ * I2 != I3;
+ * }
+ *
+ *
+ * @see Matcher
+ * @see Match
+ *
+ */
+@SuppressWarnings("all")
+public final class TooManyInputsOfSegment extends BaseGeneratedEMFQuerySpecification {
+ /**
+ * Pattern-specific match representation of the modes3.queries.tooManyInputsOfSegment pattern,
+ * to be used in conjunction with {@link Matcher}.
+ *
+ * Class fields correspond to parameters of the pattern. Fields with value null are considered unassigned.
+ * Each instance is a (possibly partial) substitution of pattern parameters,
+ * usable to represent a match of the pattern in the result of a query,
+ * or to specify the bound (fixed) input parameters when issuing a query.
+ *
+ * @see Matcher
+ *
+ */
+ public static abstract class Match extends BasePatternMatch {
+ private Segment fS;
+
+ private static List parameterNames = makeImmutableList("S");
+
+ private Match(final Segment pS) {
+ this.fS = pS;
+ }
+
+ @Override
+ public Object get(final String parameterName) {
+ switch(parameterName) {
+ case "S": return this.fS;
+ default: return null;
+ }
+ }
+
+ @Override
+ public Object get(final int index) {
+ switch(index) {
+ case 0: return this.fS;
+ default: return null;
+ }
+ }
+
+ public Segment getS() {
+ return this.fS;
+ }
+
+ @Override
+ public boolean set(final String parameterName, final Object newValue) {
+ if (!isMutable()) throw new java.lang.UnsupportedOperationException();
+ if ("S".equals(parameterName) ) {
+ this.fS = (Segment) newValue;
+ return true;
+ }
+ return false;
+ }
+
+ public void setS(final Segment pS) {
+ if (!isMutable()) throw new java.lang.UnsupportedOperationException();
+ this.fS = pS;
+ }
+
+ @Override
+ public String patternName() {
+ return "modes3.queries.tooManyInputsOfSegment";
+ }
+
+ @Override
+ public List parameterNames() {
+ return TooManyInputsOfSegment.Match.parameterNames;
+ }
+
+ @Override
+ public Object[] toArray() {
+ return new Object[]{fS};
+ }
+
+ @Override
+ public TooManyInputsOfSegment.Match toImmutable() {
+ return isMutable() ? newMatch(fS) : this;
+ }
+
+ @Override
+ public String prettyPrint() {
+ StringBuilder result = new StringBuilder();
+ result.append("\"S\"=" + prettyPrintValue(fS));
+ return result.toString();
+ }
+
+ @Override
+ public int hashCode() {
+ return Objects.hash(fS);
+ }
+
+ @Override
+ public boolean equals(final Object obj) {
+ if (this == obj)
+ return true;
+ if (obj == null) {
+ return false;
+ }
+ if ((obj instanceof TooManyInputsOfSegment.Match)) {
+ TooManyInputsOfSegment.Match other = (TooManyInputsOfSegment.Match) obj;
+ return Objects.equals(fS, other.fS);
+ } else {
+ // this should be infrequent
+ if (!(obj instanceof IPatternMatch)) {
+ return false;
+ }
+ IPatternMatch otherSig = (IPatternMatch) obj;
+ return Objects.equals(specification(), otherSig.specification()) && Arrays.deepEquals(toArray(), otherSig.toArray());
+ }
+ }
+
+ @Override
+ public TooManyInputsOfSegment specification() {
+ return TooManyInputsOfSegment.instance();
+ }
+
+ /**
+ * Returns an empty, mutable match.
+ * Fields of the mutable match can be filled to create a partial match, usable as matcher input.
+ *
+ * @return the empty match.
+ *
+ */
+ public static TooManyInputsOfSegment.Match newEmptyMatch() {
+ return new Mutable(null);
+ }
+
+ /**
+ * Returns a mutable (partial) match.
+ * Fields of the mutable match can be filled to create a partial match, usable as matcher input.
+ *
+ * @param pS the fixed value of pattern parameter S, or null if not bound.
+ * @return the new, mutable (partial) match object.
+ *
+ */
+ public static TooManyInputsOfSegment.Match newMutableMatch(final Segment pS) {
+ return new Mutable(pS);
+ }
+
+ /**
+ * Returns a new (partial) match.
+ * This can be used e.g. to call the matcher with a partial match.
+ * The returned match will be immutable. Use {@link #newEmptyMatch()} to obtain a mutable match object.
+ * @param pS the fixed value of pattern parameter S, or null if not bound.
+ * @return the (partial) match object.
+ *
+ */
+ public static TooManyInputsOfSegment.Match newMatch(final Segment pS) {
+ return new Immutable(pS);
+ }
+
+ private static final class Mutable extends TooManyInputsOfSegment.Match {
+ Mutable(final Segment pS) {
+ super(pS);
+ }
+
+ @Override
+ public boolean isMutable() {
+ return true;
+ }
+ }
+
+ private static final class Immutable extends TooManyInputsOfSegment.Match {
+ Immutable(final Segment pS) {
+ super(pS);
+ }
+
+ @Override
+ public boolean isMutable() {
+ return false;
+ }
+ }
+ }
+
+ /**
+ * Generated pattern matcher API of the modes3.queries.tooManyInputsOfSegment pattern,
+ * providing pattern-specific query methods.
+ *
+ *
Use the pattern matcher on a given model via {@link #on(ViatraQueryEngine)},
+ * e.g. in conjunction with {@link ViatraQueryEngine#on(QueryScope)}.
+ *
+ *
Matches of the pattern will be represented as {@link Match}.
+ *
+ *
Original source:
+ *
+ * //{@literal @}Constraint(message = "noInputOfSegment", severity = "error", key = { S })
+ * //pattern noInputOfSegment(S : Segment) {
+ * // neg find turnout(S);
+ * // neg find output(_, S);
+ * //}
+ *
+ * {@literal @}Constraint(message = "tooManyInputsOfSegment", severity = "error", key = { S })
+ * pattern tooManyInputsOfSegment(S : Segment) {
+ * neg find turnout(S);
+ * find output(I1, S);
+ * find output(I2, S);
+ * find output(I3, S);
+ * I1 != I2;
+ * I1 != I3;
+ * I2 != I3;
+ * }
+ *
+ *
+ * @see Match
+ * @see TooManyInputsOfSegment
+ *
+ */
+ public static class Matcher extends BaseMatcher {
+ /**
+ * Initializes the pattern matcher within an existing VIATRA Query engine.
+ * If the pattern matcher is already constructed in the engine, only a light-weight reference is returned.
+ *
+ * @param engine the existing VIATRA Query engine in which this matcher will be created.
+ * @throws ViatraQueryRuntimeException if an error occurs during pattern matcher creation
+ *
+ */
+ public static TooManyInputsOfSegment.Matcher on(final ViatraQueryEngine engine) {
+ // check if matcher already exists
+ Matcher matcher = engine.getExistingMatcher(querySpecification());
+ if (matcher == null) {
+ matcher = (Matcher)engine.getMatcher(querySpecification());
+ }
+ return matcher;
+ }
+
+ /**
+ * @throws ViatraQueryRuntimeException if an error occurs during pattern matcher creation
+ * @return an initialized matcher
+ * @noreference This method is for internal matcher initialization by the framework, do not call it manually.
+ *
+ */
+ public static TooManyInputsOfSegment.Matcher create() {
+ return new Matcher();
+ }
+
+ private static final int POSITION_S = 0;
+
+ private static final Logger LOGGER = ViatraQueryLoggingUtil.getLogger(TooManyInputsOfSegment.Matcher.class);
+
+ /**
+ * Initializes the pattern matcher within an existing VIATRA Query engine.
+ * If the pattern matcher is already constructed in the engine, only a light-weight reference is returned.
+ *
+ * @param engine the existing VIATRA Query engine in which this matcher will be created.
+ * @throws ViatraQueryRuntimeException if an error occurs during pattern matcher creation
+ *
+ */
+ private Matcher() {
+ super(querySpecification());
+ }
+
+ /**
+ * Returns the set of all matches of the pattern that conform to the given fixed values of some parameters.
+ * @param pS the fixed value of pattern parameter S, or null if not bound.
+ * @return matches represented as a Match object.
+ *
+ */
+ public Collection getAllMatches(final Segment pS) {
+ return rawStreamAllMatches(new Object[]{pS}).collect(Collectors.toSet());
+ }
+
+ /**
+ * Returns a stream of all matches of the pattern that conform to the given fixed values of some parameters.
+ *
+ * NOTE: It is important not to modify the source model while the stream is being processed.
+ * If the match set of the pattern changes during processing, the contents of the stream is undefined.
+ * In such cases, either rely on {@link #getAllMatches()} or collect the results of the stream in end-user code.
+ * @param pS the fixed value of pattern parameter S, or null if not bound.
+ * @return a stream of matches represented as a Match object.
+ *
+ */
+ public Stream streamAllMatches(final Segment pS) {
+ return rawStreamAllMatches(new Object[]{pS});
+ }
+
+ /**
+ * Returns an arbitrarily chosen match of the pattern that conforms to the given fixed values of some parameters.
+ * Neither determinism nor randomness of selection is guaranteed.
+ * @param pS the fixed value of pattern parameter S, or null if not bound.
+ * @return a match represented as a Match object, or null if no match is found.
+ *
+ */
+ public Optional getOneArbitraryMatch(final Segment pS) {
+ return rawGetOneArbitraryMatch(new Object[]{pS});
+ }
+
+ /**
+ * Indicates whether the given combination of specified pattern parameters constitute a valid pattern match,
+ * under any possible substitution of the unspecified parameters (if any).
+ * @param pS the fixed value of pattern parameter S, or null if not bound.
+ * @return true if the input is a valid (partial) match of the pattern.
+ *
+ */
+ public boolean hasMatch(final Segment pS) {
+ return rawHasMatch(new Object[]{pS});
+ }
+
+ /**
+ * Returns the number of all matches of the pattern that conform to the given fixed values of some parameters.
+ * @param pS the fixed value of pattern parameter S, or null if not bound.
+ * @return the number of pattern matches found.
+ *
+ */
+ public int countMatches(final Segment pS) {
+ return rawCountMatches(new Object[]{pS});
+ }
+
+ /**
+ * Executes the given processor on an arbitrarily chosen match of the pattern that conforms to the given fixed values of some parameters.
+ * Neither determinism nor randomness of selection is guaranteed.
+ * @param pS the fixed value of pattern parameter S, or null if not bound.
+ * @param processor the action that will process the selected match.
+ * @return true if the pattern has at least one match with the given parameter values, false if the processor was not invoked
+ *
+ */
+ public boolean forOneArbitraryMatch(final Segment pS, final Consumer super TooManyInputsOfSegment.Match> processor) {
+ return rawForOneArbitraryMatch(new Object[]{pS}, processor);
+ }
+
+ /**
+ * Returns a new (partial) match.
+ * This can be used e.g. to call the matcher with a partial match.
+ * The returned match will be immutable. Use {@link #newEmptyMatch()} to obtain a mutable match object.
+ * @param pS the fixed value of pattern parameter S, or null if not bound.
+ * @return the (partial) match object.
+ *
+ */
+ public TooManyInputsOfSegment.Match newMatch(final Segment pS) {
+ return TooManyInputsOfSegment.Match.newMatch(pS);
+ }
+
+ /**
+ * Retrieve the set of values that occur in matches for S.
+ * @return the Set of all values or empty set if there are no matches
+ *
+ */
+ protected Stream rawStreamAllValuesOfS(final Object[] parameters) {
+ return rawStreamAllValues(POSITION_S, parameters).map(Segment.class::cast);
+ }
+
+ /**
+ * Retrieve the set of values that occur in matches for S.
+ * @return the Set of all values or empty set if there are no matches
+ *
+ */
+ public Set getAllValuesOfS() {
+ return rawStreamAllValuesOfS(emptyArray()).collect(Collectors.toSet());
+ }
+
+ /**
+ * Retrieve the set of values that occur in matches for S.
+ * @return the Set of all values or empty set if there are no matches
+ *
+ */
+ public Stream streamAllValuesOfS() {
+ return rawStreamAllValuesOfS(emptyArray());
+ }
+
+ @Override
+ protected TooManyInputsOfSegment.Match tupleToMatch(final Tuple t) {
+ try {
+ return TooManyInputsOfSegment.Match.newMatch((Segment) t.get(POSITION_S));
+ } catch(ClassCastException e) {
+ LOGGER.error("Element(s) in tuple not properly typed!",e);
+ return null;
+ }
+ }
+
+ @Override
+ protected TooManyInputsOfSegment.Match arrayToMatch(final Object[] match) {
+ try {
+ return TooManyInputsOfSegment.Match.newMatch((Segment) match[POSITION_S]);
+ } catch(ClassCastException e) {
+ LOGGER.error("Element(s) in array not properly typed!",e);
+ return null;
+ }
+ }
+
+ @Override
+ protected TooManyInputsOfSegment.Match arrayToMatchMutable(final Object[] match) {
+ try {
+ return TooManyInputsOfSegment.Match.newMutableMatch((Segment) match[POSITION_S]);
+ } catch(ClassCastException e) {
+ LOGGER.error("Element(s) in array not properly typed!",e);
+ return null;
+ }
+ }
+
+ /**
+ * @return the singleton instance of the query specification of this pattern
+ * @throws ViatraQueryRuntimeException if the pattern definition could not be loaded
+ *
+ */
+ public static IQuerySpecification querySpecification() {
+ return TooManyInputsOfSegment.instance();
+ }
+ }
+
+ private TooManyInputsOfSegment() {
+ super(GeneratedPQuery.INSTANCE);
+ }
+
+ /**
+ * @return the singleton instance of the query specification
+ * @throws ViatraQueryRuntimeException if the pattern definition could not be loaded
+ *
+ */
+ public static TooManyInputsOfSegment instance() {
+ try{
+ return LazyHolder.INSTANCE;
+ } catch (ExceptionInInitializerError err) {
+ throw processInitializerError(err);
+ }
+ }
+
+ @Override
+ protected TooManyInputsOfSegment.Matcher instantiate(final ViatraQueryEngine engine) {
+ return TooManyInputsOfSegment.Matcher.on(engine);
+ }
+
+ @Override
+ public TooManyInputsOfSegment.Matcher instantiate() {
+ return TooManyInputsOfSegment.Matcher.create();
+ }
+
+ @Override
+ public TooManyInputsOfSegment.Match newEmptyMatch() {
+ return TooManyInputsOfSegment.Match.newEmptyMatch();
+ }
+
+ @Override
+ public TooManyInputsOfSegment.Match newMatch(final Object... parameters) {
+ return TooManyInputsOfSegment.Match.newMatch((modes3.Segment) parameters[0]);
+ }
+
+ /**
+ * Inner class allowing the singleton instance of {@link TooManyInputsOfSegment} to be created
+ * not at the class load time of the outer class,
+ * but rather at the first call to {@link TooManyInputsOfSegment#instance()}.
+ *
+ * This workaround is required e.g. to support recursion.
+ *
+ */
+ private static class LazyHolder {
+ private static final TooManyInputsOfSegment INSTANCE = new TooManyInputsOfSegment();
+
+ /**
+ * Statically initializes the query specification after the field {@link #INSTANCE} is assigned.
+ * This initialization order is required to support indirect recursion.
+ *
+ *
The static initializer is defined using a helper field to work around limitations of the code generator.
+ *
+ */
+ private static final Object STATIC_INITIALIZER = ensureInitialized();
+
+ public static Object ensureInitialized() {
+ INSTANCE.ensureInitializedInternal();
+ return null;
+ }
+ }
+
+ private static class GeneratedPQuery extends BaseGeneratedEMFPQuery {
+ private static final TooManyInputsOfSegment.GeneratedPQuery INSTANCE = new GeneratedPQuery();
+
+ private final PParameter parameter_S = new PParameter("S", "modes3.Segment", new EClassTransitiveInstancesKey((EClass)getClassifierLiteralSafe("http://www.ece.mcgill.ca/wcet/modes3", "Segment")), PParameterDirection.INOUT);
+
+ private final List parameters = Arrays.asList(parameter_S);
+
+ private GeneratedPQuery() {
+ super(PVisibility.PUBLIC);
+ }
+
+ @Override
+ public String getFullyQualifiedName() {
+ return "modes3.queries.tooManyInputsOfSegment";
+ }
+
+ @Override
+ public List getParameterNames() {
+ return Arrays.asList("S");
+ }
+
+ @Override
+ public List getParameters() {
+ return parameters;
+ }
+
+ @Override
+ public Set doGetContainedBodies() {
+ setEvaluationHints(new QueryEvaluationHint(null, QueryEvaluationHint.BackendRequirement.UNSPECIFIED));
+ Set bodies = new LinkedHashSet<>();
+ {
+ PBody body = new PBody(this);
+ PVariable var_S = body.getOrCreateVariableByName("S");
+ PVariable var_I1 = body.getOrCreateVariableByName("I1");
+ PVariable var_I2 = body.getOrCreateVariableByName("I2");
+ PVariable var_I3 = body.getOrCreateVariableByName("I3");
+ new TypeConstraint(body, Tuples.flatTupleOf(var_S), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("http://www.ece.mcgill.ca/wcet/modes3", "Segment")));
+ body.setSymbolicParameters(Arrays.asList(
+ new ExportedParameter(body, var_S, parameter_S)
+ ));
+ // neg find turnout(S)
+ new NegativePatternCall(body, Tuples.flatTupleOf(var_S), Turnout.instance().getInternalQueryRepresentation());
+ // find output(I1, S)
+ new PositivePatternCall(body, Tuples.flatTupleOf(var_I1, var_S), Output.instance().getInternalQueryRepresentation());
+ // find output(I2, S)
+ new PositivePatternCall(body, Tuples.flatTupleOf(var_I2, var_S), Output.instance().getInternalQueryRepresentation());
+ // find output(I3, S)
+ new PositivePatternCall(body, Tuples.flatTupleOf(var_I3, var_S), Output.instance().getInternalQueryRepresentation());
+ // I1 != I2
+ new Inequality(body, var_I1, var_I2);
+ // I1 != I3
+ new Inequality(body, var_I1, var_I3);
+ // I2 != I3
+ new Inequality(body, var_I2, var_I3);
+ bodies.add(body);
+ }
+ {
+ PAnnotation annotation = new PAnnotation("Constraint");
+ annotation.addAttribute("message", "tooManyInputsOfSegment");
+ annotation.addAttribute("severity", "error");
+ annotation.addAttribute("key", Arrays.asList(new Object[] {
+ new ParameterReference("S")
+ }));
+ addAnnotation(annotation);
+ }
+ return bodies;
+ }
+ }
+}
diff --git a/Domains/ca.mcgill.rtgmrt.example.modes3/vql-gen/modes3/queries/Turnout.java b/Domains/ca.mcgill.rtgmrt.example.modes3/vql-gen/modes3/queries/Turnout.java
new file mode 100644
index 00000000..34c7631c
--- /dev/null
+++ b/Domains/ca.mcgill.rtgmrt.example.modes3/vql-gen/modes3/queries/Turnout.java
@@ -0,0 +1,543 @@
+/**
+ * Generated from platform:/resource/ca.mcgill.rtgmrt.example.modes3/src/modes3/queries/Modes3Queries.vql
+ */
+package modes3.queries;
+
+import java.util.Arrays;
+import java.util.Collection;
+import java.util.LinkedHashSet;
+import java.util.List;
+import java.util.Objects;
+import java.util.Optional;
+import java.util.Set;
+import java.util.function.Consumer;
+import java.util.stream.Collectors;
+import java.util.stream.Stream;
+import org.apache.log4j.Logger;
+import org.eclipse.emf.ecore.EClass;
+import org.eclipse.viatra.query.runtime.api.IPatternMatch;
+import org.eclipse.viatra.query.runtime.api.IQuerySpecification;
+import org.eclipse.viatra.query.runtime.api.ViatraQueryEngine;
+import org.eclipse.viatra.query.runtime.api.impl.BaseGeneratedEMFPQuery;
+import org.eclipse.viatra.query.runtime.api.impl.BaseGeneratedEMFQuerySpecification;
+import org.eclipse.viatra.query.runtime.api.impl.BaseMatcher;
+import org.eclipse.viatra.query.runtime.api.impl.BasePatternMatch;
+import org.eclipse.viatra.query.runtime.emf.types.EClassTransitiveInstancesKey;
+import org.eclipse.viatra.query.runtime.matchers.backend.QueryEvaluationHint;
+import org.eclipse.viatra.query.runtime.matchers.psystem.PBody;
+import org.eclipse.viatra.query.runtime.matchers.psystem.PVariable;
+import org.eclipse.viatra.query.runtime.matchers.psystem.basicdeferred.ExportedParameter;
+import org.eclipse.viatra.query.runtime.matchers.psystem.basicenumerables.TypeConstraint;
+import org.eclipse.viatra.query.runtime.matchers.psystem.queries.PParameter;
+import org.eclipse.viatra.query.runtime.matchers.psystem.queries.PParameterDirection;
+import org.eclipse.viatra.query.runtime.matchers.psystem.queries.PVisibility;
+import org.eclipse.viatra.query.runtime.matchers.tuple.Tuple;
+import org.eclipse.viatra.query.runtime.matchers.tuple.Tuples;
+import org.eclipse.viatra.query.runtime.util.ViatraQueryLoggingUtil;
+
+/**
+ * A pattern-specific query specification that can instantiate Matcher in a type-safe way.
+ *
+ * Original source:
+ *
+ * pattern turnout(T : Turnout) {
+ * Turnout(T);
+ * }
+ *
+ *
+ * @see Matcher
+ * @see Match
+ *
+ */
+@SuppressWarnings("all")
+public final class Turnout extends BaseGeneratedEMFQuerySpecification {
+ /**
+ * Pattern-specific match representation of the modes3.queries.turnout pattern,
+ * to be used in conjunction with {@link Matcher}.
+ *
+ * Class fields correspond to parameters of the pattern. Fields with value null are considered unassigned.
+ * Each instance is a (possibly partial) substitution of pattern parameters,
+ * usable to represent a match of the pattern in the result of a query,
+ * or to specify the bound (fixed) input parameters when issuing a query.
+ *
+ * @see Matcher
+ *
+ */
+ public static abstract class Match extends BasePatternMatch {
+ private modes3.Turnout fT;
+
+ private static List parameterNames = makeImmutableList("T");
+
+ private Match(final modes3.Turnout pT) {
+ this.fT = pT;
+ }
+
+ @Override
+ public Object get(final String parameterName) {
+ switch(parameterName) {
+ case "T": return this.fT;
+ default: return null;
+ }
+ }
+
+ @Override
+ public Object get(final int index) {
+ switch(index) {
+ case 0: return this.fT;
+ default: return null;
+ }
+ }
+
+ public modes3.Turnout getT() {
+ return this.fT;
+ }
+
+ @Override
+ public boolean set(final String parameterName, final Object newValue) {
+ if (!isMutable()) throw new java.lang.UnsupportedOperationException();
+ if ("T".equals(parameterName) ) {
+ this.fT = (modes3.Turnout) newValue;
+ return true;
+ }
+ return false;
+ }
+
+ public void setT(final modes3.Turnout pT) {
+ if (!isMutable()) throw new java.lang.UnsupportedOperationException();
+ this.fT = pT;
+ }
+
+ @Override
+ public String patternName() {
+ return "modes3.queries.turnout";
+ }
+
+ @Override
+ public List parameterNames() {
+ return Turnout.Match.parameterNames;
+ }
+
+ @Override
+ public Object[] toArray() {
+ return new Object[]{fT};
+ }
+
+ @Override
+ public Turnout.Match toImmutable() {
+ return isMutable() ? newMatch(fT) : this;
+ }
+
+ @Override
+ public String prettyPrint() {
+ StringBuilder result = new StringBuilder();
+ result.append("\"T\"=" + prettyPrintValue(fT));
+ return result.toString();
+ }
+
+ @Override
+ public int hashCode() {
+ return Objects.hash(fT);
+ }
+
+ @Override
+ public boolean equals(final Object obj) {
+ if (this == obj)
+ return true;
+ if (obj == null) {
+ return false;
+ }
+ if ((obj instanceof Turnout.Match)) {
+ Turnout.Match other = (Turnout.Match) obj;
+ return Objects.equals(fT, other.fT);
+ } else {
+ // this should be infrequent
+ if (!(obj instanceof IPatternMatch)) {
+ return false;
+ }
+ IPatternMatch otherSig = (IPatternMatch) obj;
+ return Objects.equals(specification(), otherSig.specification()) && Arrays.deepEquals(toArray(), otherSig.toArray());
+ }
+ }
+
+ @Override
+ public Turnout specification() {
+ return Turnout.instance();
+ }
+
+ /**
+ * Returns an empty, mutable match.
+ * Fields of the mutable match can be filled to create a partial match, usable as matcher input.
+ *
+ * @return the empty match.
+ *
+ */
+ public static Turnout.Match newEmptyMatch() {
+ return new Mutable(null);
+ }
+
+ /**
+ * Returns a mutable (partial) match.
+ * Fields of the mutable match can be filled to create a partial match, usable as matcher input.
+ *
+ * @param pT the fixed value of pattern parameter T, or null if not bound.
+ * @return the new, mutable (partial) match object.
+ *
+ */
+ public static Turnout.Match newMutableMatch(final modes3.Turnout pT) {
+ return new Mutable(pT);
+ }
+
+ /**
+ * Returns a new (partial) match.
+ * This can be used e.g. to call the matcher with a partial match.
+ * The returned match will be immutable. Use {@link #newEmptyMatch()} to obtain a mutable match object.
+ * @param pT the fixed value of pattern parameter T, or null if not bound.
+ * @return the (partial) match object.
+ *
+ */
+ public static Turnout.Match newMatch(final modes3.Turnout pT) {
+ return new Immutable(pT);
+ }
+
+ private static final class Mutable extends Turnout.Match {
+ Mutable(final modes3.Turnout pT) {
+ super(pT);
+ }
+
+ @Override
+ public boolean isMutable() {
+ return true;
+ }
+ }
+
+ private static final class Immutable extends Turnout.Match {
+ Immutable(final modes3.Turnout pT) {
+ super(pT);
+ }
+
+ @Override
+ public boolean isMutable() {
+ return false;
+ }
+ }
+ }
+
+ /**
+ * Generated pattern matcher API of the modes3.queries.turnout pattern,
+ * providing pattern-specific query methods.
+ *
+ *
Use the pattern matcher on a given model via {@link #on(ViatraQueryEngine)},
+ * e.g. in conjunction with {@link ViatraQueryEngine#on(QueryScope)}.
+ *
+ *
Matches of the pattern will be represented as {@link Match}.
+ *
+ *
Original source:
+ *
+ * pattern turnout(T : Turnout) {
+ * Turnout(T);
+ * }
+ *
+ *
+ * @see Match
+ * @see Turnout
+ *
+ */
+ public static class Matcher extends BaseMatcher {
+ /**
+ * Initializes the pattern matcher within an existing VIATRA Query engine.
+ * If the pattern matcher is already constructed in the engine, only a light-weight reference is returned.
+ *
+ * @param engine the existing VIATRA Query engine in which this matcher will be created.
+ * @throws ViatraQueryRuntimeException if an error occurs during pattern matcher creation
+ *
+ */
+ public static Turnout.Matcher on(final ViatraQueryEngine engine) {
+ // check if matcher already exists
+ Matcher matcher = engine.getExistingMatcher(querySpecification());
+ if (matcher == null) {
+ matcher = (Matcher)engine.getMatcher(querySpecification());
+ }
+ return matcher;
+ }
+
+ /**
+ * @throws ViatraQueryRuntimeException if an error occurs during pattern matcher creation
+ * @return an initialized matcher
+ * @noreference This method is for internal matcher initialization by the framework, do not call it manually.
+ *
+ */
+ public static Turnout.Matcher create() {
+ return new Matcher();
+ }
+
+ private static final int POSITION_T = 0;
+
+ private static final Logger LOGGER = ViatraQueryLoggingUtil.getLogger(Turnout.Matcher.class);
+
+ /**
+ * Initializes the pattern matcher within an existing VIATRA Query engine.
+ * If the pattern matcher is already constructed in the engine, only a light-weight reference is returned.
+ *
+ * @param engine the existing VIATRA Query engine in which this matcher will be created.
+ * @throws ViatraQueryRuntimeException if an error occurs during pattern matcher creation
+ *
+ */
+ private Matcher() {
+ super(querySpecification());
+ }
+
+ /**
+ * Returns the set of all matches of the pattern that conform to the given fixed values of some parameters.
+ * @param pT the fixed value of pattern parameter T, or null if not bound.
+ * @return matches represented as a Match object.
+ *
+ */
+ public Collection getAllMatches(final modes3.Turnout pT) {
+ return rawStreamAllMatches(new Object[]{pT}).collect(Collectors.toSet());
+ }
+
+ /**
+ * Returns a stream of all matches of the pattern that conform to the given fixed values of some parameters.
+ *
+ * NOTE: It is important not to modify the source model while the stream is being processed.
+ * If the match set of the pattern changes during processing, the contents of the stream is undefined.
+ * In such cases, either rely on {@link #getAllMatches()} or collect the results of the stream in end-user code.
+ * @param pT the fixed value of pattern parameter T, or null if not bound.
+ * @return a stream of matches represented as a Match object.
+ *
+ */
+ public Stream streamAllMatches(final modes3.Turnout pT) {
+ return rawStreamAllMatches(new Object[]{pT});
+ }
+
+ /**
+ * Returns an arbitrarily chosen match of the pattern that conforms to the given fixed values of some parameters.
+ * Neither determinism nor randomness of selection is guaranteed.
+ * @param pT the fixed value of pattern parameter T, or null if not bound.
+ * @return a match represented as a Match object, or null if no match is found.
+ *
+ */
+ public Optional getOneArbitraryMatch(final modes3.Turnout pT) {
+ return rawGetOneArbitraryMatch(new Object[]{pT});
+ }
+
+ /**
+ * Indicates whether the given combination of specified pattern parameters constitute a valid pattern match,
+ * under any possible substitution of the unspecified parameters (if any).
+ * @param pT the fixed value of pattern parameter T, or null if not bound.
+ * @return true if the input is a valid (partial) match of the pattern.
+ *
+ */
+ public boolean hasMatch(final modes3.Turnout pT) {
+ return rawHasMatch(new Object[]{pT});
+ }
+
+ /**
+ * Returns the number of all matches of the pattern that conform to the given fixed values of some parameters.
+ * @param pT the fixed value of pattern parameter T, or null if not bound.
+ * @return the number of pattern matches found.
+ *
+ */
+ public int countMatches(final modes3.Turnout pT) {
+ return rawCountMatches(new Object[]{pT});
+ }
+
+ /**
+ * Executes the given processor on an arbitrarily chosen match of the pattern that conforms to the given fixed values of some parameters.
+ * Neither determinism nor randomness of selection is guaranteed.
+ * @param pT the fixed value of pattern parameter T, or null if not bound.
+ * @param processor the action that will process the selected match.
+ * @return true if the pattern has at least one match with the given parameter values, false if the processor was not invoked
+ *
+ */
+ public boolean forOneArbitraryMatch(final modes3.Turnout pT, final Consumer super Turnout.Match> processor) {
+ return rawForOneArbitraryMatch(new Object[]{pT}, processor);
+ }
+
+ /**
+ * Returns a new (partial) match.
+ * This can be used e.g. to call the matcher with a partial match.
+ * The returned match will be immutable. Use {@link #newEmptyMatch()} to obtain a mutable match object.
+ * @param pT the fixed value of pattern parameter T, or null if not bound.
+ * @return the (partial) match object.
+ *
+ */
+ public Turnout.Match newMatch(final modes3.Turnout pT) {
+ return Turnout.Match.newMatch(pT);
+ }
+
+ /**
+ * Retrieve the set of values that occur in matches for T.
+ * @return the Set of all values or empty set if there are no matches
+ *
+ */
+ protected Stream rawStreamAllValuesOfT(final Object[] parameters) {
+ return rawStreamAllValues(POSITION_T, parameters).map(modes3.Turnout.class::cast);
+ }
+
+ /**
+ * Retrieve the set of values that occur in matches for T.
+ * @return the Set of all values or empty set if there are no matches
+ *
+ */
+ public Set getAllValuesOfT() {
+ return rawStreamAllValuesOfT(emptyArray()).collect(Collectors.toSet());
+ }
+
+ /**
+ * Retrieve the set of values that occur in matches for T.
+ * @return the Set of all values or empty set if there are no matches
+ *
+ */
+ public Stream streamAllValuesOfT() {
+ return rawStreamAllValuesOfT(emptyArray());
+ }
+
+ @Override
+ protected Turnout.Match tupleToMatch(final Tuple t) {
+ try {
+ return Turnout.Match.newMatch((modes3.Turnout) t.get(POSITION_T));
+ } catch(ClassCastException e) {
+ LOGGER.error("Element(s) in tuple not properly typed!",e);
+ return null;
+ }
+ }
+
+ @Override
+ protected Turnout.Match arrayToMatch(final Object[] match) {
+ try {
+ return Turnout.Match.newMatch((modes3.Turnout) match[POSITION_T]);
+ } catch(ClassCastException e) {
+ LOGGER.error("Element(s) in array not properly typed!",e);
+ return null;
+ }
+ }
+
+ @Override
+ protected Turnout.Match arrayToMatchMutable(final Object[] match) {
+ try {
+ return Turnout.Match.newMutableMatch((modes3.Turnout) match[POSITION_T]);
+ } catch(ClassCastException e) {
+ LOGGER.error("Element(s) in array not properly typed!",e);
+ return null;
+ }
+ }
+
+ /**
+ * @return the singleton instance of the query specification of this pattern
+ * @throws ViatraQueryRuntimeException if the pattern definition could not be loaded
+ *
+ */
+ public static IQuerySpecification querySpecification() {
+ return Turnout.instance();
+ }
+ }
+
+ private Turnout() {
+ super(GeneratedPQuery.INSTANCE);
+ }
+
+ /**
+ * @return the singleton instance of the query specification
+ * @throws ViatraQueryRuntimeException if the pattern definition could not be loaded
+ *
+ */
+ public static Turnout instance() {
+ try{
+ return LazyHolder.INSTANCE;
+ } catch (ExceptionInInitializerError err) {
+ throw processInitializerError(err);
+ }
+ }
+
+ @Override
+ protected Turnout.Matcher instantiate(final ViatraQueryEngine engine) {
+ return Turnout.Matcher.on(engine);
+ }
+
+ @Override
+ public Turnout.Matcher instantiate() {
+ return Turnout.Matcher.create();
+ }
+
+ @Override
+ public Turnout.Match newEmptyMatch() {
+ return Turnout.Match.newEmptyMatch();
+ }
+
+ @Override
+ public Turnout.Match newMatch(final Object... parameters) {
+ return Turnout.Match.newMatch((modes3.Turnout) parameters[0]);
+ }
+
+ /**
+ * Inner class allowing the singleton instance of {@link Turnout} to be created
+ * not at the class load time of the outer class,
+ * but rather at the first call to {@link Turnout#instance()}.
+ *
+ * This workaround is required e.g. to support recursion.
+ *
+ */
+ private static class LazyHolder {
+ private static final Turnout INSTANCE = new Turnout();
+
+ /**
+ * Statically initializes the query specification after the field {@link #INSTANCE} is assigned.
+ * This initialization order is required to support indirect recursion.
+ *
+ *
The static initializer is defined using a helper field to work around limitations of the code generator.
+ *
+ */
+ private static final Object STATIC_INITIALIZER = ensureInitialized();
+
+ public static Object ensureInitialized() {
+ INSTANCE.ensureInitializedInternal();
+ return null;
+ }
+ }
+
+ private static class GeneratedPQuery extends BaseGeneratedEMFPQuery {
+ private static final Turnout.GeneratedPQuery INSTANCE = new GeneratedPQuery();
+
+ private final PParameter parameter_T = new PParameter("T", "modes3.Turnout", new EClassTransitiveInstancesKey((EClass)getClassifierLiteralSafe("http://www.ece.mcgill.ca/wcet/modes3", "Turnout")), PParameterDirection.INOUT);
+
+ private final List parameters = Arrays.asList(parameter_T);
+
+ private GeneratedPQuery() {
+ super(PVisibility.PUBLIC);
+ }
+
+ @Override
+ public String getFullyQualifiedName() {
+ return "modes3.queries.turnout";
+ }
+
+ @Override
+ public List getParameterNames() {
+ return Arrays.asList("T");
+ }
+
+ @Override
+ public List getParameters() {
+ return parameters;
+ }
+
+ @Override
+ public Set doGetContainedBodies() {
+ setEvaluationHints(new QueryEvaluationHint(null, QueryEvaluationHint.BackendRequirement.UNSPECIFIED));
+ Set bodies = new LinkedHashSet<>();
+ {
+ PBody body = new PBody(this);
+ PVariable var_T = body.getOrCreateVariableByName("T");
+ new TypeConstraint(body, Tuples.flatTupleOf(var_T), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("http://www.ece.mcgill.ca/wcet/modes3", "Turnout")));
+ body.setSymbolicParameters(Arrays.asList(
+ new ExportedParameter(body, var_T, parameter_T)
+ ));
+ // Turnout(T)
+ new TypeConstraint(body, Tuples.flatTupleOf(var_T), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("http://www.ece.mcgill.ca/wcet/modes3", "Turnout")));
+ bodies.add(body);
+ }
+ return bodies;
+ }
+ }
+}
diff --git a/Domains/ca.mcgill.rtgmrt.example.modes3/vql-gen/modes3/queries/TurnoutConnectedToBothOutputs.java b/Domains/ca.mcgill.rtgmrt.example.modes3/vql-gen/modes3/queries/TurnoutConnectedToBothOutputs.java
new file mode 100644
index 00000000..674bb275
--- /dev/null
+++ b/Domains/ca.mcgill.rtgmrt.example.modes3/vql-gen/modes3/queries/TurnoutConnectedToBothOutputs.java
@@ -0,0 +1,589 @@
+/**
+ * Generated from platform:/resource/ca.mcgill.rtgmrt.example.modes3/src/modes3/queries/Modes3Queries.vql
+ */
+package modes3.queries;
+
+import java.util.Arrays;
+import java.util.Collection;
+import java.util.LinkedHashSet;
+import java.util.List;
+import java.util.Objects;
+import java.util.Optional;
+import java.util.Set;
+import java.util.function.Consumer;
+import java.util.stream.Collectors;
+import java.util.stream.Stream;
+import modes3.Turnout;
+import org.apache.log4j.Logger;
+import org.eclipse.emf.ecore.EClass;
+import org.eclipse.viatra.query.runtime.api.IPatternMatch;
+import org.eclipse.viatra.query.runtime.api.IQuerySpecification;
+import org.eclipse.viatra.query.runtime.api.ViatraQueryEngine;
+import org.eclipse.viatra.query.runtime.api.impl.BaseGeneratedEMFPQuery;
+import org.eclipse.viatra.query.runtime.api.impl.BaseGeneratedEMFQuerySpecification;
+import org.eclipse.viatra.query.runtime.api.impl.BaseMatcher;
+import org.eclipse.viatra.query.runtime.api.impl.BasePatternMatch;
+import org.eclipse.viatra.query.runtime.emf.types.EClassTransitiveInstancesKey;
+import org.eclipse.viatra.query.runtime.emf.types.EStructuralFeatureInstancesKey;
+import org.eclipse.viatra.query.runtime.matchers.backend.QueryEvaluationHint;
+import org.eclipse.viatra.query.runtime.matchers.psystem.PBody;
+import org.eclipse.viatra.query.runtime.matchers.psystem.PVariable;
+import org.eclipse.viatra.query.runtime.matchers.psystem.annotations.PAnnotation;
+import org.eclipse.viatra.query.runtime.matchers.psystem.annotations.ParameterReference;
+import org.eclipse.viatra.query.runtime.matchers.psystem.basicdeferred.Equality;
+import org.eclipse.viatra.query.runtime.matchers.psystem.basicdeferred.ExportedParameter;
+import org.eclipse.viatra.query.runtime.matchers.psystem.basicenumerables.TypeConstraint;
+import org.eclipse.viatra.query.runtime.matchers.psystem.queries.PParameter;
+import org.eclipse.viatra.query.runtime.matchers.psystem.queries.PParameterDirection;
+import org.eclipse.viatra.query.runtime.matchers.psystem.queries.PVisibility;
+import org.eclipse.viatra.query.runtime.matchers.tuple.Tuple;
+import org.eclipse.viatra.query.runtime.matchers.tuple.Tuples;
+import org.eclipse.viatra.query.runtime.util.ViatraQueryLoggingUtil;
+
+/**
+ * A pattern-specific query specification that can instantiate Matcher in a type-safe way.
+ *
+ * Original source:
+ *
+ * {@literal @}Constraint(message = "turnoutConnectedToBothOutputs", severity = "error", key = { T })
+ * pattern turnoutConnectedToBothOutputs(T : Turnout) {
+ * Turnout.straight(T, Straight);
+ * Turnout.divergent(T, Divergent);
+ * Segment.connectedTo(T, Straight);
+ * Segment.connectedTo(T, Divergent);
+ * }
+ *
+ *
+ * @see Matcher
+ * @see Match
+ *
+ */
+@SuppressWarnings("all")
+public final class TurnoutConnectedToBothOutputs extends BaseGeneratedEMFQuerySpecification {
+ /**
+ * Pattern-specific match representation of the modes3.queries.turnoutConnectedToBothOutputs pattern,
+ * to be used in conjunction with {@link Matcher}.
+ *
+ * Class fields correspond to parameters of the pattern. Fields with value null are considered unassigned.
+ * Each instance is a (possibly partial) substitution of pattern parameters,
+ * usable to represent a match of the pattern in the result of a query,
+ * or to specify the bound (fixed) input parameters when issuing a query.
+ *
+ * @see Matcher
+ *
+ */
+ public static abstract class Match extends BasePatternMatch {
+ private Turnout fT;
+
+ private static List parameterNames = makeImmutableList("T");
+
+ private Match(final Turnout pT) {
+ this.fT = pT;
+ }
+
+ @Override
+ public Object get(final String parameterName) {
+ switch(parameterName) {
+ case "T": return this.fT;
+ default: return null;
+ }
+ }
+
+ @Override
+ public Object get(final int index) {
+ switch(index) {
+ case 0: return this.fT;
+ default: return null;
+ }
+ }
+
+ public Turnout getT() {
+ return this.fT;
+ }
+
+ @Override
+ public boolean set(final String parameterName, final Object newValue) {
+ if (!isMutable()) throw new java.lang.UnsupportedOperationException();
+ if ("T".equals(parameterName) ) {
+ this.fT = (Turnout) newValue;
+ return true;
+ }
+ return false;
+ }
+
+ public void setT(final Turnout pT) {
+ if (!isMutable()) throw new java.lang.UnsupportedOperationException();
+ this.fT = pT;
+ }
+
+ @Override
+ public String patternName() {
+ return "modes3.queries.turnoutConnectedToBothOutputs";
+ }
+
+ @Override
+ public List parameterNames() {
+ return TurnoutConnectedToBothOutputs.Match.parameterNames;
+ }
+
+ @Override
+ public Object[] toArray() {
+ return new Object[]{fT};
+ }
+
+ @Override
+ public TurnoutConnectedToBothOutputs.Match toImmutable() {
+ return isMutable() ? newMatch(fT) : this;
+ }
+
+ @Override
+ public String prettyPrint() {
+ StringBuilder result = new StringBuilder();
+ result.append("\"T\"=" + prettyPrintValue(fT));
+ return result.toString();
+ }
+
+ @Override
+ public int hashCode() {
+ return Objects.hash(fT);
+ }
+
+ @Override
+ public boolean equals(final Object obj) {
+ if (this == obj)
+ return true;
+ if (obj == null) {
+ return false;
+ }
+ if ((obj instanceof TurnoutConnectedToBothOutputs.Match)) {
+ TurnoutConnectedToBothOutputs.Match other = (TurnoutConnectedToBothOutputs.Match) obj;
+ return Objects.equals(fT, other.fT);
+ } else {
+ // this should be infrequent
+ if (!(obj instanceof IPatternMatch)) {
+ return false;
+ }
+ IPatternMatch otherSig = (IPatternMatch) obj;
+ return Objects.equals(specification(), otherSig.specification()) && Arrays.deepEquals(toArray(), otherSig.toArray());
+ }
+ }
+
+ @Override
+ public TurnoutConnectedToBothOutputs specification() {
+ return TurnoutConnectedToBothOutputs.instance();
+ }
+
+ /**
+ * Returns an empty, mutable match.
+ * Fields of the mutable match can be filled to create a partial match, usable as matcher input.
+ *
+ * @return the empty match.
+ *
+ */
+ public static TurnoutConnectedToBothOutputs.Match newEmptyMatch() {
+ return new Mutable(null);
+ }
+
+ /**
+ * Returns a mutable (partial) match.
+ * Fields of the mutable match can be filled to create a partial match, usable as matcher input.
+ *
+ * @param pT the fixed value of pattern parameter T, or null if not bound.
+ * @return the new, mutable (partial) match object.
+ *
+ */
+ public static TurnoutConnectedToBothOutputs.Match newMutableMatch(final Turnout pT) {
+ return new Mutable(pT);
+ }
+
+ /**
+ * Returns a new (partial) match.
+ * This can be used e.g. to call the matcher with a partial match.
+ * The returned match will be immutable. Use {@link #newEmptyMatch()} to obtain a mutable match object.
+ * @param pT the fixed value of pattern parameter T, or null if not bound.
+ * @return the (partial) match object.
+ *
+ */
+ public static TurnoutConnectedToBothOutputs.Match newMatch(final Turnout pT) {
+ return new Immutable(pT);
+ }
+
+ private static final class Mutable extends TurnoutConnectedToBothOutputs.Match {
+ Mutable(final Turnout pT) {
+ super(pT);
+ }
+
+ @Override
+ public boolean isMutable() {
+ return true;
+ }
+ }
+
+ private static final class Immutable extends TurnoutConnectedToBothOutputs.Match {
+ Immutable(final Turnout pT) {
+ super(pT);
+ }
+
+ @Override
+ public boolean isMutable() {
+ return false;
+ }
+ }
+ }
+
+ /**
+ * Generated pattern matcher API of the modes3.queries.turnoutConnectedToBothOutputs pattern,
+ * providing pattern-specific query methods.
+ *
+ *
Use the pattern matcher on a given model via {@link #on(ViatraQueryEngine)},
+ * e.g. in conjunction with {@link ViatraQueryEngine#on(QueryScope)}.
+ *
+ *
Matches of the pattern will be represented as {@link Match}.
+ *
+ *
Original source:
+ *
+ * {@literal @}Constraint(message = "turnoutConnectedToBothOutputs", severity = "error", key = { T })
+ * pattern turnoutConnectedToBothOutputs(T : Turnout) {
+ * Turnout.straight(T, Straight);
+ * Turnout.divergent(T, Divergent);
+ * Segment.connectedTo(T, Straight);
+ * Segment.connectedTo(T, Divergent);
+ * }
+ *
+ *
+ * @see Match
+ * @see TurnoutConnectedToBothOutputs
+ *
+ */
+ public static class Matcher extends BaseMatcher {
+ /**
+ * Initializes the pattern matcher within an existing VIATRA Query engine.
+ * If the pattern matcher is already constructed in the engine, only a light-weight reference is returned.
+ *
+ * @param engine the existing VIATRA Query engine in which this matcher will be created.
+ * @throws ViatraQueryRuntimeException if an error occurs during pattern matcher creation
+ *
+ */
+ public static TurnoutConnectedToBothOutputs.Matcher on(final ViatraQueryEngine engine) {
+ // check if matcher already exists
+ Matcher matcher = engine.getExistingMatcher(querySpecification());
+ if (matcher == null) {
+ matcher = (Matcher)engine.getMatcher(querySpecification());
+ }
+ return matcher;
+ }
+
+ /**
+ * @throws ViatraQueryRuntimeException if an error occurs during pattern matcher creation
+ * @return an initialized matcher
+ * @noreference This method is for internal matcher initialization by the framework, do not call it manually.
+ *
+ */
+ public static TurnoutConnectedToBothOutputs.Matcher create() {
+ return new Matcher();
+ }
+
+ private static final int POSITION_T = 0;
+
+ private static final Logger LOGGER = ViatraQueryLoggingUtil.getLogger(TurnoutConnectedToBothOutputs.Matcher.class);
+
+ /**
+ * Initializes the pattern matcher within an existing VIATRA Query engine.
+ * If the pattern matcher is already constructed in the engine, only a light-weight reference is returned.
+ *
+ * @param engine the existing VIATRA Query engine in which this matcher will be created.
+ * @throws ViatraQueryRuntimeException if an error occurs during pattern matcher creation
+ *
+ */
+ private Matcher() {
+ super(querySpecification());
+ }
+
+ /**
+ * Returns the set of all matches of the pattern that conform to the given fixed values of some parameters.
+ * @param pT the fixed value of pattern parameter T, or null if not bound.
+ * @return matches represented as a Match object.
+ *
+ */
+ public Collection getAllMatches(final Turnout pT) {
+ return rawStreamAllMatches(new Object[]{pT}).collect(Collectors.toSet());
+ }
+
+ /**
+ * Returns a stream of all matches of the pattern that conform to the given fixed values of some parameters.
+ *
+ * NOTE: It is important not to modify the source model while the stream is being processed.
+ * If the match set of the pattern changes during processing, the contents of the stream is undefined.
+ * In such cases, either rely on {@link #getAllMatches()} or collect the results of the stream in end-user code.
+ * @param pT the fixed value of pattern parameter T, or null if not bound.
+ * @return a stream of matches represented as a Match object.
+ *
+ */
+ public Stream streamAllMatches(final Turnout pT) {
+ return rawStreamAllMatches(new Object[]{pT});
+ }
+
+ /**
+ * Returns an arbitrarily chosen match of the pattern that conforms to the given fixed values of some parameters.
+ * Neither determinism nor randomness of selection is guaranteed.
+ * @param pT the fixed value of pattern parameter T, or null if not bound.
+ * @return a match represented as a Match object, or null if no match is found.
+ *
+ */
+ public Optional getOneArbitraryMatch(final Turnout pT) {
+ return rawGetOneArbitraryMatch(new Object[]{pT});
+ }
+
+ /**
+ * Indicates whether the given combination of specified pattern parameters constitute a valid pattern match,
+ * under any possible substitution of the unspecified parameters (if any).
+ * @param pT the fixed value of pattern parameter T, or null if not bound.
+ * @return true if the input is a valid (partial) match of the pattern.
+ *
+ */
+ public boolean hasMatch(final Turnout pT) {
+ return rawHasMatch(new Object[]{pT});
+ }
+
+ /**
+ * Returns the number of all matches of the pattern that conform to the given fixed values of some parameters.
+ * @param pT the fixed value of pattern parameter T, or null if not bound.
+ * @return the number of pattern matches found.
+ *
+ */
+ public int countMatches(final Turnout pT) {
+ return rawCountMatches(new Object[]{pT});
+ }
+
+ /**
+ * Executes the given processor on an arbitrarily chosen match of the pattern that conforms to the given fixed values of some parameters.
+ * Neither determinism nor randomness of selection is guaranteed.
+ * @param pT the fixed value of pattern parameter T, or null if not bound.
+ * @param processor the action that will process the selected match.
+ * @return true if the pattern has at least one match with the given parameter values, false if the processor was not invoked
+ *
+ */
+ public boolean forOneArbitraryMatch(final Turnout pT, final Consumer super TurnoutConnectedToBothOutputs.Match> processor) {
+ return rawForOneArbitraryMatch(new Object[]{pT}, processor);
+ }
+
+ /**
+ * Returns a new (partial) match.
+ * This can be used e.g. to call the matcher with a partial match.
+ * The returned match will be immutable. Use {@link #newEmptyMatch()} to obtain a mutable match object.
+ * @param pT the fixed value of pattern parameter T, or null if not bound.
+ * @return the (partial) match object.
+ *
+ */
+ public TurnoutConnectedToBothOutputs.Match newMatch(final Turnout pT) {
+ return TurnoutConnectedToBothOutputs.Match.newMatch(pT);
+ }
+
+ /**
+ * Retrieve the set of values that occur in matches for T.
+ * @return the Set of all values or empty set if there are no matches
+ *
+ */
+ protected Stream rawStreamAllValuesOfT(final Object[] parameters) {
+ return rawStreamAllValues(POSITION_T, parameters).map(Turnout.class::cast);
+ }
+
+ /**
+ * Retrieve the set of values that occur in matches for T.
+ * @return the Set of all values or empty set if there are no matches
+ *
+ */
+ public Set getAllValuesOfT() {
+ return rawStreamAllValuesOfT(emptyArray()).collect(Collectors.toSet());
+ }
+
+ /**
+ * Retrieve the set of values that occur in matches for T.
+ * @return the Set of all values or empty set if there are no matches
+ *
+ */
+ public Stream streamAllValuesOfT() {
+ return rawStreamAllValuesOfT(emptyArray());
+ }
+
+ @Override
+ protected TurnoutConnectedToBothOutputs.Match tupleToMatch(final Tuple t) {
+ try {
+ return TurnoutConnectedToBothOutputs.Match.newMatch((Turnout) t.get(POSITION_T));
+ } catch(ClassCastException e) {
+ LOGGER.error("Element(s) in tuple not properly typed!",e);
+ return null;
+ }
+ }
+
+ @Override
+ protected TurnoutConnectedToBothOutputs.Match arrayToMatch(final Object[] match) {
+ try {
+ return TurnoutConnectedToBothOutputs.Match.newMatch((Turnout) match[POSITION_T]);
+ } catch(ClassCastException e) {
+ LOGGER.error("Element(s) in array not properly typed!",e);
+ return null;
+ }
+ }
+
+ @Override
+ protected TurnoutConnectedToBothOutputs.Match arrayToMatchMutable(final Object[] match) {
+ try {
+ return TurnoutConnectedToBothOutputs.Match.newMutableMatch((Turnout) match[POSITION_T]);
+ } catch(ClassCastException e) {
+ LOGGER.error("Element(s) in array not properly typed!",e);
+ return null;
+ }
+ }
+
+ /**
+ * @return the singleton instance of the query specification of this pattern
+ * @throws ViatraQueryRuntimeException if the pattern definition could not be loaded
+ *
+ */
+ public static IQuerySpecification querySpecification() {
+ return TurnoutConnectedToBothOutputs.instance();
+ }
+ }
+
+ private TurnoutConnectedToBothOutputs() {
+ super(GeneratedPQuery.INSTANCE);
+ }
+
+ /**
+ * @return the singleton instance of the query specification
+ * @throws ViatraQueryRuntimeException if the pattern definition could not be loaded
+ *
+ */
+ public static TurnoutConnectedToBothOutputs instance() {
+ try{
+ return LazyHolder.INSTANCE;
+ } catch (ExceptionInInitializerError err) {
+ throw processInitializerError(err);
+ }
+ }
+
+ @Override
+ protected TurnoutConnectedToBothOutputs.Matcher instantiate(final ViatraQueryEngine engine) {
+ return TurnoutConnectedToBothOutputs.Matcher.on(engine);
+ }
+
+ @Override
+ public TurnoutConnectedToBothOutputs.Matcher instantiate() {
+ return TurnoutConnectedToBothOutputs.Matcher.create();
+ }
+
+ @Override
+ public TurnoutConnectedToBothOutputs.Match newEmptyMatch() {
+ return TurnoutConnectedToBothOutputs.Match.newEmptyMatch();
+ }
+
+ @Override
+ public TurnoutConnectedToBothOutputs.Match newMatch(final Object... parameters) {
+ return TurnoutConnectedToBothOutputs.Match.newMatch((modes3.Turnout) parameters[0]);
+ }
+
+ /**
+ * Inner class allowing the singleton instance of {@link TurnoutConnectedToBothOutputs} to be created
+ * not at the class load time of the outer class,
+ * but rather at the first call to {@link TurnoutConnectedToBothOutputs#instance()}.
+ *
+ * This workaround is required e.g. to support recursion.
+ *
+ */
+ private static class LazyHolder {
+ private static final TurnoutConnectedToBothOutputs INSTANCE = new TurnoutConnectedToBothOutputs();
+
+ /**
+ * Statically initializes the query specification after the field {@link #INSTANCE} is assigned.
+ * This initialization order is required to support indirect recursion.
+ *
+ *
The static initializer is defined using a helper field to work around limitations of the code generator.
+ *
+ */
+ private static final Object STATIC_INITIALIZER = ensureInitialized();
+
+ public static Object ensureInitialized() {
+ INSTANCE.ensureInitializedInternal();
+ return null;
+ }
+ }
+
+ private static class GeneratedPQuery extends BaseGeneratedEMFPQuery {
+ private static final TurnoutConnectedToBothOutputs.GeneratedPQuery INSTANCE = new GeneratedPQuery();
+
+ private final PParameter parameter_T = new PParameter("T", "modes3.Turnout", new EClassTransitiveInstancesKey((EClass)getClassifierLiteralSafe("http://www.ece.mcgill.ca/wcet/modes3", "Turnout")), PParameterDirection.INOUT);
+
+ private final List parameters = Arrays.asList(parameter_T);
+
+ private GeneratedPQuery() {
+ super(PVisibility.PUBLIC);
+ }
+
+ @Override
+ public String getFullyQualifiedName() {
+ return "modes3.queries.turnoutConnectedToBothOutputs";
+ }
+
+ @Override
+ public List getParameterNames() {
+ return Arrays.asList("T");
+ }
+
+ @Override
+ public List getParameters() {
+ return parameters;
+ }
+
+ @Override
+ public Set doGetContainedBodies() {
+ setEvaluationHints(new QueryEvaluationHint(null, QueryEvaluationHint.BackendRequirement.UNSPECIFIED));
+ Set bodies = new LinkedHashSet<>();
+ {
+ PBody body = new PBody(this);
+ PVariable var_T = body.getOrCreateVariableByName("T");
+ PVariable var_Straight = body.getOrCreateVariableByName("Straight");
+ PVariable var_Divergent = body.getOrCreateVariableByName("Divergent");
+ new TypeConstraint(body, Tuples.flatTupleOf(var_T), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("http://www.ece.mcgill.ca/wcet/modes3", "Turnout")));
+ body.setSymbolicParameters(Arrays.asList(
+ new ExportedParameter(body, var_T, parameter_T)
+ ));
+ // Turnout.straight(T, Straight)
+ new TypeConstraint(body, Tuples.flatTupleOf(var_T), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("http://www.ece.mcgill.ca/wcet/modes3", "Turnout")));
+ PVariable var__virtual_0_ = body.getOrCreateVariableByName(".virtual{0}");
+ new TypeConstraint(body, Tuples.flatTupleOf(var_T, var__virtual_0_), new EStructuralFeatureInstancesKey(getFeatureLiteral("http://www.ece.mcgill.ca/wcet/modes3", "Turnout", "straight")));
+ new TypeConstraint(body, Tuples.flatTupleOf(var__virtual_0_), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("http://www.ece.mcgill.ca/wcet/modes3", "Segment")));
+ new Equality(body, var__virtual_0_, var_Straight);
+ // Turnout.divergent(T, Divergent)
+ new TypeConstraint(body, Tuples.flatTupleOf(var_T), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("http://www.ece.mcgill.ca/wcet/modes3", "Turnout")));
+ PVariable var__virtual_1_ = body.getOrCreateVariableByName(".virtual{1}");
+ new TypeConstraint(body, Tuples.flatTupleOf(var_T, var__virtual_1_), new EStructuralFeatureInstancesKey(getFeatureLiteral("http://www.ece.mcgill.ca/wcet/modes3", "Turnout", "divergent")));
+ new TypeConstraint(body, Tuples.flatTupleOf(var__virtual_1_), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("http://www.ece.mcgill.ca/wcet/modes3", "Segment")));
+ new Equality(body, var__virtual_1_, var_Divergent);
+ // Segment.connectedTo(T, Straight)
+ new TypeConstraint(body, Tuples.flatTupleOf(var_T), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("http://www.ece.mcgill.ca/wcet/modes3", "Segment")));
+ PVariable var__virtual_2_ = body.getOrCreateVariableByName(".virtual{2}");
+ new TypeConstraint(body, Tuples.flatTupleOf(var_T, var__virtual_2_), new EStructuralFeatureInstancesKey(getFeatureLiteral("http://www.ece.mcgill.ca/wcet/modes3", "Segment", "connectedTo")));
+ new TypeConstraint(body, Tuples.flatTupleOf(var__virtual_2_), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("http://www.ece.mcgill.ca/wcet/modes3", "Segment")));
+ new Equality(body, var__virtual_2_, var_Straight);
+ // Segment.connectedTo(T, Divergent)
+ new TypeConstraint(body, Tuples.flatTupleOf(var_T), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("http://www.ece.mcgill.ca/wcet/modes3", "Segment")));
+ PVariable var__virtual_3_ = body.getOrCreateVariableByName(".virtual{3}");
+ new TypeConstraint(body, Tuples.flatTupleOf(var_T, var__virtual_3_), new EStructuralFeatureInstancesKey(getFeatureLiteral("http://www.ece.mcgill.ca/wcet/modes3", "Segment", "connectedTo")));
+ new TypeConstraint(body, Tuples.flatTupleOf(var__virtual_3_), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("http://www.ece.mcgill.ca/wcet/modes3", "Segment")));
+ new Equality(body, var__virtual_3_, var_Divergent);
+ bodies.add(body);
+ }
+ {
+ PAnnotation annotation = new PAnnotation("Constraint");
+ annotation.addAttribute("message", "turnoutConnectedToBothOutputs");
+ annotation.addAttribute("severity", "error");
+ annotation.addAttribute("key", Arrays.asList(new Object[] {
+ new ParameterReference("T")
+ }));
+ addAnnotation(annotation);
+ }
+ return bodies;
+ }
+ }
+}
diff --git a/Domains/ca.mcgill.rtgmrt.example.modes3/vql-gen/modes3/queries/TurnoutInSegments.java b/Domains/ca.mcgill.rtgmrt.example.modes3/vql-gen/modes3/queries/TurnoutInSegments.java
new file mode 100644
index 00000000..9c9a5d18
--- /dev/null
+++ b/Domains/ca.mcgill.rtgmrt.example.modes3/vql-gen/modes3/queries/TurnoutInSegments.java
@@ -0,0 +1,564 @@
+/**
+ * Generated from platform:/resource/ca.mcgill.rtgmrt.example.modes3/src/modes3/queries/Modes3Queries.vql
+ */
+package modes3.queries;
+
+import java.util.Arrays;
+import java.util.Collection;
+import java.util.LinkedHashSet;
+import java.util.List;
+import java.util.Objects;
+import java.util.Optional;
+import java.util.Set;
+import java.util.function.Consumer;
+import java.util.stream.Collectors;
+import java.util.stream.Stream;
+import modes3.Turnout;
+import org.apache.log4j.Logger;
+import org.eclipse.emf.ecore.EClass;
+import org.eclipse.viatra.query.runtime.api.IPatternMatch;
+import org.eclipse.viatra.query.runtime.api.IQuerySpecification;
+import org.eclipse.viatra.query.runtime.api.ViatraQueryEngine;
+import org.eclipse.viatra.query.runtime.api.impl.BaseGeneratedEMFPQuery;
+import org.eclipse.viatra.query.runtime.api.impl.BaseGeneratedEMFQuerySpecification;
+import org.eclipse.viatra.query.runtime.api.impl.BaseMatcher;
+import org.eclipse.viatra.query.runtime.api.impl.BasePatternMatch;
+import org.eclipse.viatra.query.runtime.emf.types.EClassTransitiveInstancesKey;
+import org.eclipse.viatra.query.runtime.emf.types.EStructuralFeatureInstancesKey;
+import org.eclipse.viatra.query.runtime.matchers.backend.QueryEvaluationHint;
+import org.eclipse.viatra.query.runtime.matchers.psystem.PBody;
+import org.eclipse.viatra.query.runtime.matchers.psystem.PVariable;
+import org.eclipse.viatra.query.runtime.matchers.psystem.annotations.PAnnotation;
+import org.eclipse.viatra.query.runtime.matchers.psystem.annotations.ParameterReference;
+import org.eclipse.viatra.query.runtime.matchers.psystem.basicdeferred.Equality;
+import org.eclipse.viatra.query.runtime.matchers.psystem.basicdeferred.ExportedParameter;
+import org.eclipse.viatra.query.runtime.matchers.psystem.basicenumerables.TypeConstraint;
+import org.eclipse.viatra.query.runtime.matchers.psystem.queries.PParameter;
+import org.eclipse.viatra.query.runtime.matchers.psystem.queries.PParameterDirection;
+import org.eclipse.viatra.query.runtime.matchers.psystem.queries.PVisibility;
+import org.eclipse.viatra.query.runtime.matchers.tuple.Tuple;
+import org.eclipse.viatra.query.runtime.matchers.tuple.Tuples;
+import org.eclipse.viatra.query.runtime.util.ViatraQueryLoggingUtil;
+
+/**
+ * A pattern-specific query specification that can instantiate Matcher in a type-safe way.
+ *
+ * Original source:
+ *
+ * {@literal @}Constraint(message = "turnoutInSegments", severity = "error", key = { T })
+ * pattern turnoutInSegments(T : Turnout) {
+ * Modes3ModelRoot.segments(_, T);
+ * }
+ *
+ *
+ * @see Matcher
+ * @see Match
+ *
+ */
+@SuppressWarnings("all")
+public final class TurnoutInSegments extends BaseGeneratedEMFQuerySpecification {
+ /**
+ * Pattern-specific match representation of the modes3.queries.turnoutInSegments pattern,
+ * to be used in conjunction with {@link Matcher}.
+ *
+ * Class fields correspond to parameters of the pattern. Fields with value null are considered unassigned.
+ * Each instance is a (possibly partial) substitution of pattern parameters,
+ * usable to represent a match of the pattern in the result of a query,
+ * or to specify the bound (fixed) input parameters when issuing a query.
+ *
+ * @see Matcher
+ *
+ */
+ public static abstract class Match extends BasePatternMatch {
+ private Turnout fT;
+
+ private static List parameterNames = makeImmutableList("T");
+
+ private Match(final Turnout pT) {
+ this.fT = pT;
+ }
+
+ @Override
+ public Object get(final String parameterName) {
+ switch(parameterName) {
+ case "T": return this.fT;
+ default: return null;
+ }
+ }
+
+ @Override
+ public Object get(final int index) {
+ switch(index) {
+ case 0: return this.fT;
+ default: return null;
+ }
+ }
+
+ public Turnout getT() {
+ return this.fT;
+ }
+
+ @Override
+ public boolean set(final String parameterName, final Object newValue) {
+ if (!isMutable()) throw new java.lang.UnsupportedOperationException();
+ if ("T".equals(parameterName) ) {
+ this.fT = (Turnout) newValue;
+ return true;
+ }
+ return false;
+ }
+
+ public void setT(final Turnout pT) {
+ if (!isMutable()) throw new java.lang.UnsupportedOperationException();
+ this.fT = pT;
+ }
+
+ @Override
+ public String patternName() {
+ return "modes3.queries.turnoutInSegments";
+ }
+
+ @Override
+ public List parameterNames() {
+ return TurnoutInSegments.Match.parameterNames;
+ }
+
+ @Override
+ public Object[] toArray() {
+ return new Object[]{fT};
+ }
+
+ @Override
+ public TurnoutInSegments.Match toImmutable() {
+ return isMutable() ? newMatch(fT) : this;
+ }
+
+ @Override
+ public String prettyPrint() {
+ StringBuilder result = new StringBuilder();
+ result.append("\"T\"=" + prettyPrintValue(fT));
+ return result.toString();
+ }
+
+ @Override
+ public int hashCode() {
+ return Objects.hash(fT);
+ }
+
+ @Override
+ public boolean equals(final Object obj) {
+ if (this == obj)
+ return true;
+ if (obj == null) {
+ return false;
+ }
+ if ((obj instanceof TurnoutInSegments.Match)) {
+ TurnoutInSegments.Match other = (TurnoutInSegments.Match) obj;
+ return Objects.equals(fT, other.fT);
+ } else {
+ // this should be infrequent
+ if (!(obj instanceof IPatternMatch)) {
+ return false;
+ }
+ IPatternMatch otherSig = (IPatternMatch) obj;
+ return Objects.equals(specification(), otherSig.specification()) && Arrays.deepEquals(toArray(), otherSig.toArray());
+ }
+ }
+
+ @Override
+ public TurnoutInSegments specification() {
+ return TurnoutInSegments.instance();
+ }
+
+ /**
+ * Returns an empty, mutable match.
+ * Fields of the mutable match can be filled to create a partial match, usable as matcher input.
+ *
+ * @return the empty match.
+ *
+ */
+ public static TurnoutInSegments.Match newEmptyMatch() {
+ return new Mutable(null);
+ }
+
+ /**
+ * Returns a mutable (partial) match.
+ * Fields of the mutable match can be filled to create a partial match, usable as matcher input.
+ *
+ * @param pT the fixed value of pattern parameter T, or null if not bound.
+ * @return the new, mutable (partial) match object.
+ *
+ */
+ public static TurnoutInSegments.Match newMutableMatch(final Turnout pT) {
+ return new Mutable(pT);
+ }
+
+ /**
+ * Returns a new (partial) match.
+ * This can be used e.g. to call the matcher with a partial match.
+ * The returned match will be immutable. Use {@link #newEmptyMatch()} to obtain a mutable match object.
+ * @param pT the fixed value of pattern parameter T, or null if not bound.
+ * @return the (partial) match object.
+ *
+ */
+ public static TurnoutInSegments.Match newMatch(final Turnout pT) {
+ return new Immutable(pT);
+ }
+
+ private static final class Mutable extends TurnoutInSegments.Match {
+ Mutable(final Turnout pT) {
+ super(pT);
+ }
+
+ @Override
+ public boolean isMutable() {
+ return true;
+ }
+ }
+
+ private static final class Immutable extends TurnoutInSegments.Match {
+ Immutable(final Turnout pT) {
+ super(pT);
+ }
+
+ @Override
+ public boolean isMutable() {
+ return false;
+ }
+ }
+ }
+
+ /**
+ * Generated pattern matcher API of the modes3.queries.turnoutInSegments pattern,
+ * providing pattern-specific query methods.
+ *
+ *
Use the pattern matcher on a given model via {@link #on(ViatraQueryEngine)},
+ * e.g. in conjunction with {@link ViatraQueryEngine#on(QueryScope)}.
+ *
+ *
Matches of the pattern will be represented as {@link Match}.
+ *
+ *
Original source:
+ *
+ * {@literal @}Constraint(message = "turnoutInSegments", severity = "error", key = { T })
+ * pattern turnoutInSegments(T : Turnout) {
+ * Modes3ModelRoot.segments(_, T);
+ * }
+ *
+ *
+ * @see Match
+ * @see TurnoutInSegments
+ *
+ */
+ public static class Matcher extends BaseMatcher {
+ /**
+ * Initializes the pattern matcher within an existing VIATRA Query engine.
+ * If the pattern matcher is already constructed in the engine, only a light-weight reference is returned.
+ *
+ * @param engine the existing VIATRA Query engine in which this matcher will be created.
+ * @throws ViatraQueryRuntimeException if an error occurs during pattern matcher creation
+ *
+ */
+ public static TurnoutInSegments.Matcher on(final ViatraQueryEngine engine) {
+ // check if matcher already exists
+ Matcher matcher = engine.getExistingMatcher(querySpecification());
+ if (matcher == null) {
+ matcher = (Matcher)engine.getMatcher(querySpecification());
+ }
+ return matcher;
+ }
+
+ /**
+ * @throws ViatraQueryRuntimeException if an error occurs during pattern matcher creation
+ * @return an initialized matcher
+ * @noreference This method is for internal matcher initialization by the framework, do not call it manually.
+ *
+ */
+ public static TurnoutInSegments.Matcher create() {
+ return new Matcher();
+ }
+
+ private static final int POSITION_T = 0;
+
+ private static final Logger LOGGER = ViatraQueryLoggingUtil.getLogger(TurnoutInSegments.Matcher.class);
+
+ /**
+ * Initializes the pattern matcher within an existing VIATRA Query engine.
+ * If the pattern matcher is already constructed in the engine, only a light-weight reference is returned.
+ *
+ * @param engine the existing VIATRA Query engine in which this matcher will be created.
+ * @throws ViatraQueryRuntimeException if an error occurs during pattern matcher creation
+ *
+ */
+ private Matcher() {
+ super(querySpecification());
+ }
+
+ /**
+ * Returns the set of all matches of the pattern that conform to the given fixed values of some parameters.
+ * @param pT the fixed value of pattern parameter T, or null if not bound.
+ * @return matches represented as a Match object.
+ *
+ */
+ public Collection getAllMatches(final Turnout pT) {
+ return rawStreamAllMatches(new Object[]{pT}).collect(Collectors.toSet());
+ }
+
+ /**
+ * Returns a stream of all matches of the pattern that conform to the given fixed values of some parameters.
+ *
+ * NOTE: It is important not to modify the source model while the stream is being processed.
+ * If the match set of the pattern changes during processing, the contents of the stream is undefined.
+ * In such cases, either rely on {@link #getAllMatches()} or collect the results of the stream in end-user code.
+ * @param pT the fixed value of pattern parameter T, or null if not bound.
+ * @return a stream of matches represented as a Match object.
+ *
+ */
+ public Stream streamAllMatches(final Turnout pT) {
+ return rawStreamAllMatches(new Object[]{pT});
+ }
+
+ /**
+ * Returns an arbitrarily chosen match of the pattern that conforms to the given fixed values of some parameters.
+ * Neither determinism nor randomness of selection is guaranteed.
+ * @param pT the fixed value of pattern parameter T, or null if not bound.
+ * @return a match represented as a Match object, or null if no match is found.
+ *
+ */
+ public Optional getOneArbitraryMatch(final Turnout pT) {
+ return rawGetOneArbitraryMatch(new Object[]{pT});
+ }
+
+ /**
+ * Indicates whether the given combination of specified pattern parameters constitute a valid pattern match,
+ * under any possible substitution of the unspecified parameters (if any).
+ * @param pT the fixed value of pattern parameter T, or null if not bound.
+ * @return true if the input is a valid (partial) match of the pattern.
+ *
+ */
+ public boolean hasMatch(final Turnout pT) {
+ return rawHasMatch(new Object[]{pT});
+ }
+
+ /**
+ * Returns the number of all matches of the pattern that conform to the given fixed values of some parameters.
+ * @param pT the fixed value of pattern parameter T, or null if not bound.
+ * @return the number of pattern matches found.
+ *
+ */
+ public int countMatches(final Turnout pT) {
+ return rawCountMatches(new Object[]{pT});
+ }
+
+ /**
+ * Executes the given processor on an arbitrarily chosen match of the pattern that conforms to the given fixed values of some parameters.
+ * Neither determinism nor randomness of selection is guaranteed.
+ * @param pT the fixed value of pattern parameter T, or null if not bound.
+ * @param processor the action that will process the selected match.
+ * @return true if the pattern has at least one match with the given parameter values, false if the processor was not invoked
+ *
+ */
+ public boolean forOneArbitraryMatch(final Turnout pT, final Consumer super TurnoutInSegments.Match> processor) {
+ return rawForOneArbitraryMatch(new Object[]{pT}, processor);
+ }
+
+ /**
+ * Returns a new (partial) match.
+ * This can be used e.g. to call the matcher with a partial match.
+ * The returned match will be immutable. Use {@link #newEmptyMatch()} to obtain a mutable match object.
+ * @param pT the fixed value of pattern parameter T, or null if not bound.
+ * @return the (partial) match object.
+ *
+ */
+ public TurnoutInSegments.Match newMatch(final Turnout pT) {
+ return TurnoutInSegments.Match.newMatch(pT);
+ }
+
+ /**
+ * Retrieve the set of values that occur in matches for T.
+ * @return the Set of all values or empty set if there are no matches
+ *
+ */
+ protected Stream rawStreamAllValuesOfT(final Object[] parameters) {
+ return rawStreamAllValues(POSITION_T, parameters).map(Turnout.class::cast);
+ }
+
+ /**
+ * Retrieve the set of values that occur in matches for T.
+ * @return the Set of all values or empty set if there are no matches
+ *
+ */
+ public Set getAllValuesOfT() {
+ return rawStreamAllValuesOfT(emptyArray()).collect(Collectors.toSet());
+ }
+
+ /**
+ * Retrieve the set of values that occur in matches for T.
+ * @return the Set of all values or empty set if there are no matches
+ *
+ */
+ public Stream streamAllValuesOfT() {
+ return rawStreamAllValuesOfT(emptyArray());
+ }
+
+ @Override
+ protected TurnoutInSegments.Match tupleToMatch(final Tuple t) {
+ try {
+ return TurnoutInSegments.Match.newMatch((Turnout) t.get(POSITION_T));
+ } catch(ClassCastException e) {
+ LOGGER.error("Element(s) in tuple not properly typed!",e);
+ return null;
+ }
+ }
+
+ @Override
+ protected TurnoutInSegments.Match arrayToMatch(final Object[] match) {
+ try {
+ return TurnoutInSegments.Match.newMatch((Turnout) match[POSITION_T]);
+ } catch(ClassCastException e) {
+ LOGGER.error("Element(s) in array not properly typed!",e);
+ return null;
+ }
+ }
+
+ @Override
+ protected TurnoutInSegments.Match arrayToMatchMutable(final Object[] match) {
+ try {
+ return TurnoutInSegments.Match.newMutableMatch((Turnout) match[POSITION_T]);
+ } catch(ClassCastException e) {
+ LOGGER.error("Element(s) in array not properly typed!",e);
+ return null;
+ }
+ }
+
+ /**
+ * @return the singleton instance of the query specification of this pattern
+ * @throws ViatraQueryRuntimeException if the pattern definition could not be loaded
+ *
+ */
+ public static IQuerySpecification querySpecification() {
+ return TurnoutInSegments.instance();
+ }
+ }
+
+ private TurnoutInSegments() {
+ super(GeneratedPQuery.INSTANCE);
+ }
+
+ /**
+ * @return the singleton instance of the query specification
+ * @throws ViatraQueryRuntimeException if the pattern definition could not be loaded
+ *
+ */
+ public static TurnoutInSegments instance() {
+ try{
+ return LazyHolder.INSTANCE;
+ } catch (ExceptionInInitializerError err) {
+ throw processInitializerError(err);
+ }
+ }
+
+ @Override
+ protected TurnoutInSegments.Matcher instantiate(final ViatraQueryEngine engine) {
+ return TurnoutInSegments.Matcher.on(engine);
+ }
+
+ @Override
+ public TurnoutInSegments.Matcher instantiate() {
+ return TurnoutInSegments.Matcher.create();
+ }
+
+ @Override
+ public TurnoutInSegments.Match newEmptyMatch() {
+ return TurnoutInSegments.Match.newEmptyMatch();
+ }
+
+ @Override
+ public TurnoutInSegments.Match newMatch(final Object... parameters) {
+ return TurnoutInSegments.Match.newMatch((modes3.Turnout) parameters[0]);
+ }
+
+ /**
+ * Inner class allowing the singleton instance of {@link TurnoutInSegments} to be created
+ * not at the class load time of the outer class,
+ * but rather at the first call to {@link TurnoutInSegments#instance()}.
+ *
+ * This workaround is required e.g. to support recursion.
+ *
+ */
+ private static class LazyHolder {
+ private static final TurnoutInSegments INSTANCE = new TurnoutInSegments();
+
+ /**
+ * Statically initializes the query specification after the field {@link #INSTANCE} is assigned.
+ * This initialization order is required to support indirect recursion.
+ *
+ *
The static initializer is defined using a helper field to work around limitations of the code generator.
+ *
+ */
+ private static final Object STATIC_INITIALIZER = ensureInitialized();
+
+ public static Object ensureInitialized() {
+ INSTANCE.ensureInitializedInternal();
+ return null;
+ }
+ }
+
+ private static class GeneratedPQuery extends BaseGeneratedEMFPQuery {
+ private static final TurnoutInSegments.GeneratedPQuery INSTANCE = new GeneratedPQuery();
+
+ private final PParameter parameter_T = new PParameter("T", "modes3.Turnout", new EClassTransitiveInstancesKey((EClass)getClassifierLiteralSafe("http://www.ece.mcgill.ca/wcet/modes3", "Turnout")), PParameterDirection.INOUT);
+
+ private final List parameters = Arrays.asList(parameter_T);
+
+ private GeneratedPQuery() {
+ super(PVisibility.PUBLIC);
+ }
+
+ @Override
+ public String getFullyQualifiedName() {
+ return "modes3.queries.turnoutInSegments";
+ }
+
+ @Override
+ public List getParameterNames() {
+ return Arrays.asList("T");
+ }
+
+ @Override
+ public List getParameters() {
+ return parameters;
+ }
+
+ @Override
+ public Set doGetContainedBodies() {
+ setEvaluationHints(new QueryEvaluationHint(null, QueryEvaluationHint.BackendRequirement.UNSPECIFIED));
+ Set bodies = new LinkedHashSet<>();
+ {
+ PBody body = new PBody(this);
+ PVariable var_T = body.getOrCreateVariableByName("T");
+ PVariable var___0_ = body.getOrCreateVariableByName("_<0>");
+ new TypeConstraint(body, Tuples.flatTupleOf(var_T), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("http://www.ece.mcgill.ca/wcet/modes3", "Turnout")));
+ body.setSymbolicParameters(Arrays.asList(
+ new ExportedParameter(body, var_T, parameter_T)
+ ));
+ // Modes3ModelRoot.segments(_, T)
+ new TypeConstraint(body, Tuples.flatTupleOf(var___0_), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("http://www.ece.mcgill.ca/wcet/modes3", "Modes3ModelRoot")));
+ PVariable var__virtual_0_ = body.getOrCreateVariableByName(".virtual{0}");
+ new TypeConstraint(body, Tuples.flatTupleOf(var___0_, var__virtual_0_), new EStructuralFeatureInstancesKey(getFeatureLiteral("http://www.ece.mcgill.ca/wcet/modes3", "Modes3ModelRoot", "segments")));
+ new TypeConstraint(body, Tuples.flatTupleOf(var__virtual_0_), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("http://www.ece.mcgill.ca/wcet/modes3", "Segment")));
+ new Equality(body, var__virtual_0_, var_T);
+ bodies.add(body);
+ }
+ {
+ PAnnotation annotation = new PAnnotation("Constraint");
+ annotation.addAttribute("message", "turnoutInSegments");
+ annotation.addAttribute("severity", "error");
+ annotation.addAttribute("key", Arrays.asList(new Object[] {
+ new ParameterReference("T")
+ }));
+ addAnnotation(annotation);
+ }
+ return bodies;
+ }
+ }
+}
diff --git a/Domains/ca.mcgill.rtgmrt.example.modes3/vql-gen/modes3/queries/TurnoutOutput.java b/Domains/ca.mcgill.rtgmrt.example.modes3/vql-gen/modes3/queries/TurnoutOutput.java
new file mode 100644
index 00000000..87cccfde
--- /dev/null
+++ b/Domains/ca.mcgill.rtgmrt.example.modes3/vql-gen/modes3/queries/TurnoutOutput.java
@@ -0,0 +1,727 @@
+/**
+ * Generated from platform:/resource/ca.mcgill.rtgmrt.example.modes3/src/modes3/queries/Modes3Queries.vql
+ */
+package modes3.queries;
+
+import java.util.Arrays;
+import java.util.Collection;
+import java.util.LinkedHashSet;
+import java.util.List;
+import java.util.Objects;
+import java.util.Optional;
+import java.util.Set;
+import java.util.function.Consumer;
+import java.util.stream.Collectors;
+import java.util.stream.Stream;
+import modes3.Segment;
+import modes3.Turnout;
+import org.apache.log4j.Logger;
+import org.eclipse.emf.ecore.EClass;
+import org.eclipse.viatra.query.runtime.api.IPatternMatch;
+import org.eclipse.viatra.query.runtime.api.IQuerySpecification;
+import org.eclipse.viatra.query.runtime.api.ViatraQueryEngine;
+import org.eclipse.viatra.query.runtime.api.impl.BaseGeneratedEMFPQuery;
+import org.eclipse.viatra.query.runtime.api.impl.BaseGeneratedEMFQuerySpecification;
+import org.eclipse.viatra.query.runtime.api.impl.BaseMatcher;
+import org.eclipse.viatra.query.runtime.api.impl.BasePatternMatch;
+import org.eclipse.viatra.query.runtime.emf.types.EClassTransitiveInstancesKey;
+import org.eclipse.viatra.query.runtime.emf.types.EStructuralFeatureInstancesKey;
+import org.eclipse.viatra.query.runtime.matchers.backend.QueryEvaluationHint;
+import org.eclipse.viatra.query.runtime.matchers.psystem.PBody;
+import org.eclipse.viatra.query.runtime.matchers.psystem.PVariable;
+import org.eclipse.viatra.query.runtime.matchers.psystem.basicdeferred.Equality;
+import org.eclipse.viatra.query.runtime.matchers.psystem.basicdeferred.ExportedParameter;
+import org.eclipse.viatra.query.runtime.matchers.psystem.basicenumerables.TypeConstraint;
+import org.eclipse.viatra.query.runtime.matchers.psystem.queries.PParameter;
+import org.eclipse.viatra.query.runtime.matchers.psystem.queries.PParameterDirection;
+import org.eclipse.viatra.query.runtime.matchers.psystem.queries.PVisibility;
+import org.eclipse.viatra.query.runtime.matchers.tuple.Tuple;
+import org.eclipse.viatra.query.runtime.matchers.tuple.Tuples;
+import org.eclipse.viatra.query.runtime.util.ViatraQueryLoggingUtil;
+
+/**
+ * A pattern-specific query specification that can instantiate Matcher in a type-safe way.
+ *
+ * Original source:
+ *
+ * pattern turnoutOutput(T : Turnout, S : Segment) {
+ * Turnout.straight(T, S);
+ * } or {
+ * Turnout.divergent(T, S);
+ * }
+ *
+ *
+ * @see Matcher
+ * @see Match
+ *
+ */
+@SuppressWarnings("all")
+public final class TurnoutOutput extends BaseGeneratedEMFQuerySpecification {
+ /**
+ * Pattern-specific match representation of the modes3.queries.turnoutOutput pattern,
+ * to be used in conjunction with {@link Matcher}.
+ *
+ * Class fields correspond to parameters of the pattern. Fields with value null are considered unassigned.
+ * Each instance is a (possibly partial) substitution of pattern parameters,
+ * usable to represent a match of the pattern in the result of a query,
+ * or to specify the bound (fixed) input parameters when issuing a query.
+ *
+ * @see Matcher
+ *
+ */
+ public static abstract class Match extends BasePatternMatch {
+ private Turnout fT;
+
+ private Segment fS;
+
+ private static List parameterNames = makeImmutableList("T", "S");
+
+ private Match(final Turnout pT, final Segment pS) {
+ this.fT = pT;
+ this.fS = pS;
+ }
+
+ @Override
+ public Object get(final String parameterName) {
+ switch(parameterName) {
+ case "T": return this.fT;
+ case "S": return this.fS;
+ default: return null;
+ }
+ }
+
+ @Override
+ public Object get(final int index) {
+ switch(index) {
+ case 0: return this.fT;
+ case 1: return this.fS;
+ default: return null;
+ }
+ }
+
+ public Turnout getT() {
+ return this.fT;
+ }
+
+ public Segment getS() {
+ return this.fS;
+ }
+
+ @Override
+ public boolean set(final String parameterName, final Object newValue) {
+ if (!isMutable()) throw new java.lang.UnsupportedOperationException();
+ if ("T".equals(parameterName) ) {
+ this.fT = (Turnout) newValue;
+ return true;
+ }
+ if ("S".equals(parameterName) ) {
+ this.fS = (Segment) newValue;
+ return true;
+ }
+ return false;
+ }
+
+ public void setT(final Turnout pT) {
+ if (!isMutable()) throw new java.lang.UnsupportedOperationException();
+ this.fT = pT;
+ }
+
+ public void setS(final Segment pS) {
+ if (!isMutable()) throw new java.lang.UnsupportedOperationException();
+ this.fS = pS;
+ }
+
+ @Override
+ public String patternName() {
+ return "modes3.queries.turnoutOutput";
+ }
+
+ @Override
+ public List parameterNames() {
+ return TurnoutOutput.Match.parameterNames;
+ }
+
+ @Override
+ public Object[] toArray() {
+ return new Object[]{fT, fS};
+ }
+
+ @Override
+ public TurnoutOutput.Match toImmutable() {
+ return isMutable() ? newMatch(fT, fS) : this;
+ }
+
+ @Override
+ public String prettyPrint() {
+ StringBuilder result = new StringBuilder();
+ result.append("\"T\"=" + prettyPrintValue(fT) + ", ");
+ result.append("\"S\"=" + prettyPrintValue(fS));
+ return result.toString();
+ }
+
+ @Override
+ public int hashCode() {
+ return Objects.hash(fT, fS);
+ }
+
+ @Override
+ public boolean equals(final Object obj) {
+ if (this == obj)
+ return true;
+ if (obj == null) {
+ return false;
+ }
+ if ((obj instanceof TurnoutOutput.Match)) {
+ TurnoutOutput.Match other = (TurnoutOutput.Match) obj;
+ return Objects.equals(fT, other.fT) && Objects.equals(fS, other.fS);
+ } else {
+ // this should be infrequent
+ if (!(obj instanceof IPatternMatch)) {
+ return false;
+ }
+ IPatternMatch otherSig = (IPatternMatch) obj;
+ return Objects.equals(specification(), otherSig.specification()) && Arrays.deepEquals(toArray(), otherSig.toArray());
+ }
+ }
+
+ @Override
+ public TurnoutOutput specification() {
+ return TurnoutOutput.instance();
+ }
+
+ /**
+ * Returns an empty, mutable match.
+ * Fields of the mutable match can be filled to create a partial match, usable as matcher input.
+ *
+ * @return the empty match.
+ *
+ */
+ public static TurnoutOutput.Match newEmptyMatch() {
+ return new Mutable(null, null);
+ }
+
+ /**
+ * Returns a mutable (partial) match.
+ * Fields of the mutable match can be filled to create a partial match, usable as matcher input.
+ *
+ * @param pT the fixed value of pattern parameter T, or null if not bound.
+ * @param pS the fixed value of pattern parameter S, or null if not bound.
+ * @return the new, mutable (partial) match object.
+ *
+ */
+ public static TurnoutOutput.Match newMutableMatch(final Turnout pT, final Segment pS) {
+ return new Mutable(pT, pS);
+ }
+
+ /**
+ * Returns a new (partial) match.
+ * This can be used e.g. to call the matcher with a partial match.
+ * The returned match will be immutable. Use {@link #newEmptyMatch()} to obtain a mutable match object.
+ * @param pT the fixed value of pattern parameter T, or null if not bound.
+ * @param pS the fixed value of pattern parameter S, or null if not bound.
+ * @return the (partial) match object.
+ *
+ */
+ public static TurnoutOutput.Match newMatch(final Turnout pT, final Segment pS) {
+ return new Immutable(pT, pS);
+ }
+
+ private static final class Mutable extends TurnoutOutput.Match {
+ Mutable(final Turnout pT, final Segment pS) {
+ super(pT, pS);
+ }
+
+ @Override
+ public boolean isMutable() {
+ return true;
+ }
+ }
+
+ private static final class Immutable extends TurnoutOutput.Match {
+ Immutable(final Turnout pT, final Segment pS) {
+ super(pT, pS);
+ }
+
+ @Override
+ public boolean isMutable() {
+ return false;
+ }
+ }
+ }
+
+ /**
+ * Generated pattern matcher API of the modes3.queries.turnoutOutput pattern,
+ * providing pattern-specific query methods.
+ *
+ *
Use the pattern matcher on a given model via {@link #on(ViatraQueryEngine)},
+ * e.g. in conjunction with {@link ViatraQueryEngine#on(QueryScope)}.
+ *
+ *
Matches of the pattern will be represented as {@link Match}.
+ *
+ *
Original source:
+ *
+ * pattern turnoutOutput(T : Turnout, S : Segment) {
+ * Turnout.straight(T, S);
+ * } or {
+ * Turnout.divergent(T, S);
+ * }
+ *
+ *
+ * @see Match
+ * @see TurnoutOutput
+ *
+ */
+ public static class Matcher extends BaseMatcher {
+ /**
+ * Initializes the pattern matcher within an existing VIATRA Query engine.
+ * If the pattern matcher is already constructed in the engine, only a light-weight reference is returned.
+ *
+ * @param engine the existing VIATRA Query engine in which this matcher will be created.
+ * @throws ViatraQueryRuntimeException if an error occurs during pattern matcher creation
+ *
+ */
+ public static TurnoutOutput.Matcher on(final ViatraQueryEngine engine) {
+ // check if matcher already exists
+ Matcher matcher = engine.getExistingMatcher(querySpecification());
+ if (matcher == null) {
+ matcher = (Matcher)engine.getMatcher(querySpecification());
+ }
+ return matcher;
+ }
+
+ /**
+ * @throws ViatraQueryRuntimeException if an error occurs during pattern matcher creation
+ * @return an initialized matcher
+ * @noreference This method is for internal matcher initialization by the framework, do not call it manually.
+ *
+ */
+ public static TurnoutOutput.Matcher create() {
+ return new Matcher();
+ }
+
+ private static final int POSITION_T = 0;
+
+ private static final int POSITION_S = 1;
+
+ private static final Logger LOGGER = ViatraQueryLoggingUtil.getLogger(TurnoutOutput.Matcher.class);
+
+ /**
+ * Initializes the pattern matcher within an existing VIATRA Query engine.
+ * If the pattern matcher is already constructed in the engine, only a light-weight reference is returned.
+ *
+ * @param engine the existing VIATRA Query engine in which this matcher will be created.
+ * @throws ViatraQueryRuntimeException if an error occurs during pattern matcher creation
+ *
+ */
+ private Matcher() {
+ super(querySpecification());
+ }
+
+ /**
+ * Returns the set of all matches of the pattern that conform to the given fixed values of some parameters.
+ * @param pT the fixed value of pattern parameter T, or null if not bound.
+ * @param pS the fixed value of pattern parameter S, or null if not bound.
+ * @return matches represented as a Match object.
+ *
+ */
+ public Collection getAllMatches(final Turnout pT, final Segment pS) {
+ return rawStreamAllMatches(new Object[]{pT, pS}).collect(Collectors.toSet());
+ }
+
+ /**
+ * Returns a stream of all matches of the pattern that conform to the given fixed values of some parameters.
+ *
+ * NOTE: It is important not to modify the source model while the stream is being processed.
+ * If the match set of the pattern changes during processing, the contents of the stream is undefined.
+ * In such cases, either rely on {@link #getAllMatches()} or collect the results of the stream in end-user code.
+ * @param pT the fixed value of pattern parameter T, or null if not bound.
+ * @param pS the fixed value of pattern parameter S, or null if not bound.
+ * @return a stream of matches represented as a Match object.
+ *
+ */
+ public Stream streamAllMatches(final Turnout pT, final Segment pS) {
+ return rawStreamAllMatches(new Object[]{pT, pS});
+ }
+
+ /**
+ * Returns an arbitrarily chosen match of the pattern that conforms to the given fixed values of some parameters.
+ * Neither determinism nor randomness of selection is guaranteed.
+ * @param pT the fixed value of pattern parameter T, or null if not bound.
+ * @param pS the fixed value of pattern parameter S, or null if not bound.
+ * @return a match represented as a Match object, or null if no match is found.
+ *
+ */
+ public Optional getOneArbitraryMatch(final Turnout pT, final Segment pS) {
+ return rawGetOneArbitraryMatch(new Object[]{pT, pS});
+ }
+
+ /**
+ * Indicates whether the given combination of specified pattern parameters constitute a valid pattern match,
+ * under any possible substitution of the unspecified parameters (if any).
+ * @param pT the fixed value of pattern parameter T, or null if not bound.
+ * @param pS the fixed value of pattern parameter S, or null if not bound.
+ * @return true if the input is a valid (partial) match of the pattern.
+ *
+ */
+ public boolean hasMatch(final Turnout pT, final Segment pS) {
+ return rawHasMatch(new Object[]{pT, pS});
+ }
+
+ /**
+ * Returns the number of all matches of the pattern that conform to the given fixed values of some parameters.
+ * @param pT the fixed value of pattern parameter T, or null if not bound.
+ * @param pS the fixed value of pattern parameter S, or null if not bound.
+ * @return the number of pattern matches found.
+ *
+ */
+ public int countMatches(final Turnout pT, final Segment pS) {
+ return rawCountMatches(new Object[]{pT, pS});
+ }
+
+ /**
+ * Executes the given processor on an arbitrarily chosen match of the pattern that conforms to the given fixed values of some parameters.
+ * Neither determinism nor randomness of selection is guaranteed.
+ * @param pT the fixed value of pattern parameter T, or null if not bound.
+ * @param pS the fixed value of pattern parameter S, or null if not bound.
+ * @param processor the action that will process the selected match.
+ * @return true if the pattern has at least one match with the given parameter values, false if the processor was not invoked
+ *
+ */
+ public boolean forOneArbitraryMatch(final Turnout pT, final Segment pS, final Consumer super TurnoutOutput.Match> processor) {
+ return rawForOneArbitraryMatch(new Object[]{pT, pS}, processor);
+ }
+
+ /**
+ * Returns a new (partial) match.
+ * This can be used e.g. to call the matcher with a partial match.
+ * The returned match will be immutable. Use {@link #newEmptyMatch()} to obtain a mutable match object.
+ * @param pT the fixed value of pattern parameter T, or null if not bound.
+ * @param pS the fixed value of pattern parameter S, or null if not bound.
+ * @return the (partial) match object.
+ *
+ */
+ public TurnoutOutput.Match newMatch(final Turnout pT, final Segment pS) {
+ return TurnoutOutput.Match.newMatch(pT, pS);
+ }
+
+ /**
+ * Retrieve the set of values that occur in matches for T.
+ * @return the Set of all values or empty set if there are no matches
+ *
+ */
+ protected Stream rawStreamAllValuesOfT(final Object[] parameters) {
+ return rawStreamAllValues(POSITION_T, parameters).map(Turnout.class::cast);
+ }
+
+ /**
+ * Retrieve the set of values that occur in matches for T.
+ * @return the Set of all values or empty set if there are no matches
+ *
+ */
+ public Set getAllValuesOfT() {
+ return rawStreamAllValuesOfT(emptyArray()).collect(Collectors.toSet());
+ }
+
+ /**
+ * Retrieve the set of values that occur in matches for T.
+ * @return the Set of all values or empty set if there are no matches
+ *
+ */
+ public Stream streamAllValuesOfT() {
+ return rawStreamAllValuesOfT(emptyArray());
+ }
+
+ /**
+ * Retrieve the set of values that occur in matches for T.
+ *
+ * NOTE: It is important not to modify the source model while the stream is being processed.
+ * If the match set of the pattern changes during processing, the contents of the stream is undefined.
+ * In such cases, either rely on {@link #getAllMatches()} or collect the results of the stream in end-user code.
+ *
+ * @return the Stream of all values or empty set if there are no matches
+ *
+ */
+ public Stream streamAllValuesOfT(final TurnoutOutput.Match partialMatch) {
+ return rawStreamAllValuesOfT(partialMatch.toArray());
+ }
+
+ /**
+ * Retrieve the set of values that occur in matches for T.
+ *
+ * NOTE: It is important not to modify the source model while the stream is being processed.
+ * If the match set of the pattern changes during processing, the contents of the stream is undefined.
+ * In such cases, either rely on {@link #getAllMatches()} or collect the results of the stream in end-user code.
+ *
+ * @return the Stream of all values or empty set if there are no matches
+ *
+ */
+ public Stream streamAllValuesOfT(final Segment pS) {
+ return rawStreamAllValuesOfT(new Object[]{null, pS});
+ }
+
+ /**
+ * Retrieve the set of values that occur in matches for T.
+ * @return the Set of all values or empty set if there are no matches
+ *
+ */
+ public Set getAllValuesOfT(final TurnoutOutput.Match partialMatch) {
+ return rawStreamAllValuesOfT(partialMatch.toArray()).collect(Collectors.toSet());
+ }
+
+ /**
+ * Retrieve the set of values that occur in matches for T.
+ * @return the Set of all values or empty set if there are no matches
+ *
+ */
+ public Set getAllValuesOfT(final Segment pS) {
+ return rawStreamAllValuesOfT(new Object[]{null, pS}).collect(Collectors.toSet());
+ }
+
+ /**
+ * Retrieve the set of values that occur in matches for S.
+ * @return the Set of all values or empty set if there are no matches
+ *
+ */
+ protected Stream rawStreamAllValuesOfS(final Object[] parameters) {
+ return rawStreamAllValues(POSITION_S, parameters).map(Segment.class::cast);
+ }
+
+ /**
+ * Retrieve the set of values that occur in matches for S.
+ * @return the Set of all values or empty set if there are no matches
+ *
+ */
+ public Set getAllValuesOfS() {
+ return rawStreamAllValuesOfS(emptyArray()).collect(Collectors.toSet());
+ }
+
+ /**
+ * Retrieve the set of values that occur in matches for S.
+ * @return the Set of all values or empty set if there are no matches
+ *
+ */
+ public Stream streamAllValuesOfS() {
+ return rawStreamAllValuesOfS(emptyArray());
+ }
+
+ /**
+ * Retrieve the set of values that occur in matches for S.
+ *
+ * NOTE: It is important not to modify the source model while the stream is being processed.
+ * If the match set of the pattern changes during processing, the contents of the stream is undefined.
+ * In such cases, either rely on {@link #getAllMatches()} or collect the results of the stream in end-user code.
+ *
+ * @return the Stream of all values or empty set if there are no matches
+ *
+ */
+ public Stream streamAllValuesOfS(final TurnoutOutput.Match partialMatch) {
+ return rawStreamAllValuesOfS(partialMatch.toArray());
+ }
+
+ /**
+ * Retrieve the set of values that occur in matches for S.
+ *
+ * NOTE: It is important not to modify the source model while the stream is being processed.
+ * If the match set of the pattern changes during processing, the contents of the stream is undefined.
+ * In such cases, either rely on {@link #getAllMatches()} or collect the results of the stream in end-user code.
+ *
+ * @return the Stream of all values or empty set if there are no matches
+ *
+ */
+ public Stream streamAllValuesOfS(final Turnout pT) {
+ return rawStreamAllValuesOfS(new Object[]{pT, null});
+ }
+
+ /**
+ * Retrieve the set of values that occur in matches for S.
+ * @return the Set of all values or empty set if there are no matches
+ *
+ */
+ public Set getAllValuesOfS(final TurnoutOutput.Match partialMatch) {
+ return rawStreamAllValuesOfS(partialMatch.toArray()).collect(Collectors.toSet());
+ }
+
+ /**
+ * Retrieve the set of values that occur in matches for S.
+ * @return the Set of all values or empty set if there are no matches
+ *
+ */
+ public Set getAllValuesOfS(final Turnout pT) {
+ return rawStreamAllValuesOfS(new Object[]{pT, null}).collect(Collectors.toSet());
+ }
+
+ @Override
+ protected TurnoutOutput.Match tupleToMatch(final Tuple t) {
+ try {
+ return TurnoutOutput.Match.newMatch((Turnout) t.get(POSITION_T), (Segment) t.get(POSITION_S));
+ } catch(ClassCastException e) {
+ LOGGER.error("Element(s) in tuple not properly typed!",e);
+ return null;
+ }
+ }
+
+ @Override
+ protected TurnoutOutput.Match arrayToMatch(final Object[] match) {
+ try {
+ return TurnoutOutput.Match.newMatch((Turnout) match[POSITION_T], (Segment) match[POSITION_S]);
+ } catch(ClassCastException e) {
+ LOGGER.error("Element(s) in array not properly typed!",e);
+ return null;
+ }
+ }
+
+ @Override
+ protected TurnoutOutput.Match arrayToMatchMutable(final Object[] match) {
+ try {
+ return TurnoutOutput.Match.newMutableMatch((Turnout) match[POSITION_T], (Segment) match[POSITION_S]);
+ } catch(ClassCastException e) {
+ LOGGER.error("Element(s) in array not properly typed!",e);
+ return null;
+ }
+ }
+
+ /**
+ * @return the singleton instance of the query specification of this pattern
+ * @throws ViatraQueryRuntimeException if the pattern definition could not be loaded
+ *
+ */
+ public static IQuerySpecification querySpecification() {
+ return TurnoutOutput.instance();
+ }
+ }
+
+ private TurnoutOutput() {
+ super(GeneratedPQuery.INSTANCE);
+ }
+
+ /**
+ * @return the singleton instance of the query specification
+ * @throws ViatraQueryRuntimeException if the pattern definition could not be loaded
+ *
+ */
+ public static TurnoutOutput instance() {
+ try{
+ return LazyHolder.INSTANCE;
+ } catch (ExceptionInInitializerError err) {
+ throw processInitializerError(err);
+ }
+ }
+
+ @Override
+ protected TurnoutOutput.Matcher instantiate(final ViatraQueryEngine engine) {
+ return TurnoutOutput.Matcher.on(engine);
+ }
+
+ @Override
+ public TurnoutOutput.Matcher instantiate() {
+ return TurnoutOutput.Matcher.create();
+ }
+
+ @Override
+ public TurnoutOutput.Match newEmptyMatch() {
+ return TurnoutOutput.Match.newEmptyMatch();
+ }
+
+ @Override
+ public TurnoutOutput.Match newMatch(final Object... parameters) {
+ return TurnoutOutput.Match.newMatch((modes3.Turnout) parameters[0], (modes3.Segment) parameters[1]);
+ }
+
+ /**
+ * Inner class allowing the singleton instance of {@link TurnoutOutput} to be created
+ * not at the class load time of the outer class,
+ * but rather at the first call to {@link TurnoutOutput#instance()}.
+ *
+ * This workaround is required e.g. to support recursion.
+ *
+ */
+ private static class LazyHolder {
+ private static final TurnoutOutput INSTANCE = new TurnoutOutput();
+
+ /**
+ * Statically initializes the query specification after the field {@link #INSTANCE} is assigned.
+ * This initialization order is required to support indirect recursion.
+ *
+ *
The static initializer is defined using a helper field to work around limitations of the code generator.
+ *
+ */
+ private static final Object STATIC_INITIALIZER = ensureInitialized();
+
+ public static Object ensureInitialized() {
+ INSTANCE.ensureInitializedInternal();
+ return null;
+ }
+ }
+
+ private static class GeneratedPQuery extends BaseGeneratedEMFPQuery {
+ private static final TurnoutOutput.GeneratedPQuery INSTANCE = new GeneratedPQuery();
+
+ private final PParameter parameter_T = new PParameter("T", "modes3.Turnout", new EClassTransitiveInstancesKey((EClass)getClassifierLiteralSafe("http://www.ece.mcgill.ca/wcet/modes3", "Turnout")), PParameterDirection.INOUT);
+
+ private final PParameter parameter_S = new PParameter("S", "modes3.Segment", new EClassTransitiveInstancesKey((EClass)getClassifierLiteralSafe("http://www.ece.mcgill.ca/wcet/modes3", "Segment")), PParameterDirection.INOUT);
+
+ private final List parameters = Arrays.asList(parameter_T, parameter_S);
+
+ private GeneratedPQuery() {
+ super(PVisibility.PUBLIC);
+ }
+
+ @Override
+ public String getFullyQualifiedName() {
+ return "modes3.queries.turnoutOutput";
+ }
+
+ @Override
+ public List getParameterNames() {
+ return Arrays.asList("T","S");
+ }
+
+ @Override
+ public List getParameters() {
+ return parameters;
+ }
+
+ @Override
+ public Set doGetContainedBodies() {
+ setEvaluationHints(new QueryEvaluationHint(null, QueryEvaluationHint.BackendRequirement.UNSPECIFIED));
+ Set bodies = new LinkedHashSet<>();
+ {
+ PBody body = new PBody(this);
+ PVariable var_T = body.getOrCreateVariableByName("T");
+ PVariable var_S = body.getOrCreateVariableByName("S");
+ new TypeConstraint(body, Tuples.flatTupleOf(var_T), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("http://www.ece.mcgill.ca/wcet/modes3", "Turnout")));
+ new TypeConstraint(body, Tuples.flatTupleOf(var_S), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("http://www.ece.mcgill.ca/wcet/modes3", "Segment")));
+ body.setSymbolicParameters(Arrays.asList(
+ new ExportedParameter(body, var_T, parameter_T),
+ new ExportedParameter(body, var_S, parameter_S)
+ ));
+ // Turnout.straight(T, S)
+ new TypeConstraint(body, Tuples.flatTupleOf(var_T), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("http://www.ece.mcgill.ca/wcet/modes3", "Turnout")));
+ PVariable var__virtual_0_ = body.getOrCreateVariableByName(".virtual{0}");
+ new TypeConstraint(body, Tuples.flatTupleOf(var_T, var__virtual_0_), new EStructuralFeatureInstancesKey(getFeatureLiteral("http://www.ece.mcgill.ca/wcet/modes3", "Turnout", "straight")));
+ new TypeConstraint(body, Tuples.flatTupleOf(var__virtual_0_), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("http://www.ece.mcgill.ca/wcet/modes3", "Segment")));
+ new Equality(body, var__virtual_0_, var_S);
+ bodies.add(body);
+ }
+ {
+ PBody body = new PBody(this);
+ PVariable var_T = body.getOrCreateVariableByName("T");
+ PVariable var_S = body.getOrCreateVariableByName("S");
+ new TypeConstraint(body, Tuples.flatTupleOf(var_T), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("http://www.ece.mcgill.ca/wcet/modes3", "Turnout")));
+ new TypeConstraint(body, Tuples.flatTupleOf(var_S), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("http://www.ece.mcgill.ca/wcet/modes3", "Segment")));
+ body.setSymbolicParameters(Arrays.asList(
+ new ExportedParameter(body, var_T, parameter_T),
+ new ExportedParameter(body, var_S, parameter_S)
+ ));
+ // Turnout.divergent(T, S)
+ new TypeConstraint(body, Tuples.flatTupleOf(var_T), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("http://www.ece.mcgill.ca/wcet/modes3", "Turnout")));
+ PVariable var__virtual_0_ = body.getOrCreateVariableByName(".virtual{0}");
+ new TypeConstraint(body, Tuples.flatTupleOf(var_T, var__virtual_0_), new EStructuralFeatureInstancesKey(getFeatureLiteral("http://www.ece.mcgill.ca/wcet/modes3", "Turnout", "divergent")));
+ new TypeConstraint(body, Tuples.flatTupleOf(var__virtual_0_), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("http://www.ece.mcgill.ca/wcet/modes3", "Segment")));
+ new Equality(body, var__virtual_0_, var_S);
+ bodies.add(body);
+ }
+ return bodies;
+ }
+ }
+}
diff --git a/Domains/ca.mcgill.rtgmrt.example.modes3/vql-gen/modes3/queries/TurnoutOutputsAreSame.java b/Domains/ca.mcgill.rtgmrt.example.modes3/vql-gen/modes3/queries/TurnoutOutputsAreSame.java
new file mode 100644
index 00000000..ba59d45c
--- /dev/null
+++ b/Domains/ca.mcgill.rtgmrt.example.modes3/vql-gen/modes3/queries/TurnoutOutputsAreSame.java
@@ -0,0 +1,572 @@
+/**
+ * Generated from platform:/resource/ca.mcgill.rtgmrt.example.modes3/src/modes3/queries/Modes3Queries.vql
+ */
+package modes3.queries;
+
+import java.util.Arrays;
+import java.util.Collection;
+import java.util.LinkedHashSet;
+import java.util.List;
+import java.util.Objects;
+import java.util.Optional;
+import java.util.Set;
+import java.util.function.Consumer;
+import java.util.stream.Collectors;
+import java.util.stream.Stream;
+import modes3.Turnout;
+import org.apache.log4j.Logger;
+import org.eclipse.emf.ecore.EClass;
+import org.eclipse.viatra.query.runtime.api.IPatternMatch;
+import org.eclipse.viatra.query.runtime.api.IQuerySpecification;
+import org.eclipse.viatra.query.runtime.api.ViatraQueryEngine;
+import org.eclipse.viatra.query.runtime.api.impl.BaseGeneratedEMFPQuery;
+import org.eclipse.viatra.query.runtime.api.impl.BaseGeneratedEMFQuerySpecification;
+import org.eclipse.viatra.query.runtime.api.impl.BaseMatcher;
+import org.eclipse.viatra.query.runtime.api.impl.BasePatternMatch;
+import org.eclipse.viatra.query.runtime.emf.types.EClassTransitiveInstancesKey;
+import org.eclipse.viatra.query.runtime.emf.types.EStructuralFeatureInstancesKey;
+import org.eclipse.viatra.query.runtime.matchers.backend.QueryEvaluationHint;
+import org.eclipse.viatra.query.runtime.matchers.psystem.PBody;
+import org.eclipse.viatra.query.runtime.matchers.psystem.PVariable;
+import org.eclipse.viatra.query.runtime.matchers.psystem.annotations.PAnnotation;
+import org.eclipse.viatra.query.runtime.matchers.psystem.annotations.ParameterReference;
+import org.eclipse.viatra.query.runtime.matchers.psystem.basicdeferred.Equality;
+import org.eclipse.viatra.query.runtime.matchers.psystem.basicdeferred.ExportedParameter;
+import org.eclipse.viatra.query.runtime.matchers.psystem.basicenumerables.TypeConstraint;
+import org.eclipse.viatra.query.runtime.matchers.psystem.queries.PParameter;
+import org.eclipse.viatra.query.runtime.matchers.psystem.queries.PParameterDirection;
+import org.eclipse.viatra.query.runtime.matchers.psystem.queries.PVisibility;
+import org.eclipse.viatra.query.runtime.matchers.tuple.Tuple;
+import org.eclipse.viatra.query.runtime.matchers.tuple.Tuples;
+import org.eclipse.viatra.query.runtime.util.ViatraQueryLoggingUtil;
+
+/**
+ * A pattern-specific query specification that can instantiate Matcher in a type-safe way.
+ *
+ * Original source:
+ *
+ * {@literal @}Constraint(message = "turnoutOutputsAreSame", severity = "error", key = { T })
+ * pattern turnoutOutputsAreSame(T : Turnout) {
+ * Turnout.straight(T, S);
+ * Turnout.divergent(T, S);
+ * }
+ *
+ *
+ * @see Matcher
+ * @see Match
+ *
+ */
+@SuppressWarnings("all")
+public final class TurnoutOutputsAreSame extends BaseGeneratedEMFQuerySpecification {
+ /**
+ * Pattern-specific match representation of the modes3.queries.turnoutOutputsAreSame pattern,
+ * to be used in conjunction with {@link Matcher}.
+ *
+ * Class fields correspond to parameters of the pattern. Fields with value null are considered unassigned.
+ * Each instance is a (possibly partial) substitution of pattern parameters,
+ * usable to represent a match of the pattern in the result of a query,
+ * or to specify the bound (fixed) input parameters when issuing a query.
+ *
+ * @see Matcher
+ *
+ */
+ public static abstract class Match extends BasePatternMatch {
+ private Turnout fT;
+
+ private static List parameterNames = makeImmutableList("T");
+
+ private Match(final Turnout pT) {
+ this.fT = pT;
+ }
+
+ @Override
+ public Object get(final String parameterName) {
+ switch(parameterName) {
+ case "T": return this.fT;
+ default: return null;
+ }
+ }
+
+ @Override
+ public Object get(final int index) {
+ switch(index) {
+ case 0: return this.fT;
+ default: return null;
+ }
+ }
+
+ public Turnout getT() {
+ return this.fT;
+ }
+
+ @Override
+ public boolean set(final String parameterName, final Object newValue) {
+ if (!isMutable()) throw new java.lang.UnsupportedOperationException();
+ if ("T".equals(parameterName) ) {
+ this.fT = (Turnout) newValue;
+ return true;
+ }
+ return false;
+ }
+
+ public void setT(final Turnout pT) {
+ if (!isMutable()) throw new java.lang.UnsupportedOperationException();
+ this.fT = pT;
+ }
+
+ @Override
+ public String patternName() {
+ return "modes3.queries.turnoutOutputsAreSame";
+ }
+
+ @Override
+ public List parameterNames() {
+ return TurnoutOutputsAreSame.Match.parameterNames;
+ }
+
+ @Override
+ public Object[] toArray() {
+ return new Object[]{fT};
+ }
+
+ @Override
+ public TurnoutOutputsAreSame.Match toImmutable() {
+ return isMutable() ? newMatch(fT) : this;
+ }
+
+ @Override
+ public String prettyPrint() {
+ StringBuilder result = new StringBuilder();
+ result.append("\"T\"=" + prettyPrintValue(fT));
+ return result.toString();
+ }
+
+ @Override
+ public int hashCode() {
+ return Objects.hash(fT);
+ }
+
+ @Override
+ public boolean equals(final Object obj) {
+ if (this == obj)
+ return true;
+ if (obj == null) {
+ return false;
+ }
+ if ((obj instanceof TurnoutOutputsAreSame.Match)) {
+ TurnoutOutputsAreSame.Match other = (TurnoutOutputsAreSame.Match) obj;
+ return Objects.equals(fT, other.fT);
+ } else {
+ // this should be infrequent
+ if (!(obj instanceof IPatternMatch)) {
+ return false;
+ }
+ IPatternMatch otherSig = (IPatternMatch) obj;
+ return Objects.equals(specification(), otherSig.specification()) && Arrays.deepEquals(toArray(), otherSig.toArray());
+ }
+ }
+
+ @Override
+ public TurnoutOutputsAreSame specification() {
+ return TurnoutOutputsAreSame.instance();
+ }
+
+ /**
+ * Returns an empty, mutable match.
+ * Fields of the mutable match can be filled to create a partial match, usable as matcher input.
+ *
+ * @return the empty match.
+ *
+ */
+ public static TurnoutOutputsAreSame.Match newEmptyMatch() {
+ return new Mutable(null);
+ }
+
+ /**
+ * Returns a mutable (partial) match.
+ * Fields of the mutable match can be filled to create a partial match, usable as matcher input.
+ *
+ * @param pT the fixed value of pattern parameter T, or null if not bound.
+ * @return the new, mutable (partial) match object.
+ *
+ */
+ public static TurnoutOutputsAreSame.Match newMutableMatch(final Turnout pT) {
+ return new Mutable(pT);
+ }
+
+ /**
+ * Returns a new (partial) match.
+ * This can be used e.g. to call the matcher with a partial match.
+ * The returned match will be immutable. Use {@link #newEmptyMatch()} to obtain a mutable match object.
+ * @param pT the fixed value of pattern parameter T, or null if not bound.
+ * @return the (partial) match object.
+ *
+ */
+ public static TurnoutOutputsAreSame.Match newMatch(final Turnout pT) {
+ return new Immutable(pT);
+ }
+
+ private static final class Mutable extends TurnoutOutputsAreSame.Match {
+ Mutable(final Turnout pT) {
+ super(pT);
+ }
+
+ @Override
+ public boolean isMutable() {
+ return true;
+ }
+ }
+
+ private static final class Immutable extends TurnoutOutputsAreSame.Match {
+ Immutable(final Turnout pT) {
+ super(pT);
+ }
+
+ @Override
+ public boolean isMutable() {
+ return false;
+ }
+ }
+ }
+
+ /**
+ * Generated pattern matcher API of the modes3.queries.turnoutOutputsAreSame pattern,
+ * providing pattern-specific query methods.
+ *
+ *
Use the pattern matcher on a given model via {@link #on(ViatraQueryEngine)},
+ * e.g. in conjunction with {@link ViatraQueryEngine#on(QueryScope)}.
+ *
+ *
Matches of the pattern will be represented as {@link Match}.
+ *
+ *
Original source:
+ *
+ * {@literal @}Constraint(message = "turnoutOutputsAreSame", severity = "error", key = { T })
+ * pattern turnoutOutputsAreSame(T : Turnout) {
+ * Turnout.straight(T, S);
+ * Turnout.divergent(T, S);
+ * }
+ *
+ *
+ * @see Match
+ * @see TurnoutOutputsAreSame
+ *
+ */
+ public static class Matcher extends BaseMatcher {
+ /**
+ * Initializes the pattern matcher within an existing VIATRA Query engine.
+ * If the pattern matcher is already constructed in the engine, only a light-weight reference is returned.
+ *
+ * @param engine the existing VIATRA Query engine in which this matcher will be created.
+ * @throws ViatraQueryRuntimeException if an error occurs during pattern matcher creation
+ *
+ */
+ public static TurnoutOutputsAreSame.Matcher on(final ViatraQueryEngine engine) {
+ // check if matcher already exists
+ Matcher matcher = engine.getExistingMatcher(querySpecification());
+ if (matcher == null) {
+ matcher = (Matcher)engine.getMatcher(querySpecification());
+ }
+ return matcher;
+ }
+
+ /**
+ * @throws ViatraQueryRuntimeException if an error occurs during pattern matcher creation
+ * @return an initialized matcher
+ * @noreference This method is for internal matcher initialization by the framework, do not call it manually.
+ *
+ */
+ public static TurnoutOutputsAreSame.Matcher create() {
+ return new Matcher();
+ }
+
+ private static final int POSITION_T = 0;
+
+ private static final Logger LOGGER = ViatraQueryLoggingUtil.getLogger(TurnoutOutputsAreSame.Matcher.class);
+
+ /**
+ * Initializes the pattern matcher within an existing VIATRA Query engine.
+ * If the pattern matcher is already constructed in the engine, only a light-weight reference is returned.
+ *
+ * @param engine the existing VIATRA Query engine in which this matcher will be created.
+ * @throws ViatraQueryRuntimeException if an error occurs during pattern matcher creation
+ *
+ */
+ private Matcher() {
+ super(querySpecification());
+ }
+
+ /**
+ * Returns the set of all matches of the pattern that conform to the given fixed values of some parameters.
+ * @param pT the fixed value of pattern parameter T, or null if not bound.
+ * @return matches represented as a Match object.
+ *
+ */
+ public Collection getAllMatches(final Turnout pT) {
+ return rawStreamAllMatches(new Object[]{pT}).collect(Collectors.toSet());
+ }
+
+ /**
+ * Returns a stream of all matches of the pattern that conform to the given fixed values of some parameters.
+ *
+ * NOTE: It is important not to modify the source model while the stream is being processed.
+ * If the match set of the pattern changes during processing, the contents of the stream is undefined.
+ * In such cases, either rely on {@link #getAllMatches()} or collect the results of the stream in end-user code.
+ * @param pT the fixed value of pattern parameter T, or null if not bound.
+ * @return a stream of matches represented as a Match object.
+ *
+ */
+ public Stream streamAllMatches(final Turnout pT) {
+ return rawStreamAllMatches(new Object[]{pT});
+ }
+
+ /**
+ * Returns an arbitrarily chosen match of the pattern that conforms to the given fixed values of some parameters.
+ * Neither determinism nor randomness of selection is guaranteed.
+ * @param pT the fixed value of pattern parameter T, or null if not bound.
+ * @return a match represented as a Match object, or null if no match is found.
+ *
+ */
+ public Optional getOneArbitraryMatch(final Turnout pT) {
+ return rawGetOneArbitraryMatch(new Object[]{pT});
+ }
+
+ /**
+ * Indicates whether the given combination of specified pattern parameters constitute a valid pattern match,
+ * under any possible substitution of the unspecified parameters (if any).
+ * @param pT the fixed value of pattern parameter T, or null if not bound.
+ * @return true if the input is a valid (partial) match of the pattern.
+ *
+ */
+ public boolean hasMatch(final Turnout pT) {
+ return rawHasMatch(new Object[]{pT});
+ }
+
+ /**
+ * Returns the number of all matches of the pattern that conform to the given fixed values of some parameters.
+ * @param pT the fixed value of pattern parameter T, or null if not bound.
+ * @return the number of pattern matches found.
+ *
+ */
+ public int countMatches(final Turnout pT) {
+ return rawCountMatches(new Object[]{pT});
+ }
+
+ /**
+ * Executes the given processor on an arbitrarily chosen match of the pattern that conforms to the given fixed values of some parameters.
+ * Neither determinism nor randomness of selection is guaranteed.
+ * @param pT the fixed value of pattern parameter T, or null if not bound.
+ * @param processor the action that will process the selected match.
+ * @return true if the pattern has at least one match with the given parameter values, false if the processor was not invoked
+ *
+ */
+ public boolean forOneArbitraryMatch(final Turnout pT, final Consumer super TurnoutOutputsAreSame.Match> processor) {
+ return rawForOneArbitraryMatch(new Object[]{pT}, processor);
+ }
+
+ /**
+ * Returns a new (partial) match.
+ * This can be used e.g. to call the matcher with a partial match.
+ * The returned match will be immutable. Use {@link #newEmptyMatch()} to obtain a mutable match object.
+ * @param pT the fixed value of pattern parameter T, or null if not bound.
+ * @return the (partial) match object.
+ *
+ */
+ public TurnoutOutputsAreSame.Match newMatch(final Turnout pT) {
+ return TurnoutOutputsAreSame.Match.newMatch(pT);
+ }
+
+ /**
+ * Retrieve the set of values that occur in matches for T.
+ * @return the Set of all values or empty set if there are no matches
+ *
+ */
+ protected Stream rawStreamAllValuesOfT(final Object[] parameters) {
+ return rawStreamAllValues(POSITION_T, parameters).map(Turnout.class::cast);
+ }
+
+ /**
+ * Retrieve the set of values that occur in matches for T.
+ * @return the Set of all values or empty set if there are no matches
+ *
+ */
+ public Set getAllValuesOfT() {
+ return rawStreamAllValuesOfT(emptyArray()).collect(Collectors.toSet());
+ }
+
+ /**
+ * Retrieve the set of values that occur in matches for T.
+ * @return the Set of all values or empty set if there are no matches
+ *
+ */
+ public Stream streamAllValuesOfT() {
+ return rawStreamAllValuesOfT(emptyArray());
+ }
+
+ @Override
+ protected TurnoutOutputsAreSame.Match tupleToMatch(final Tuple t) {
+ try {
+ return TurnoutOutputsAreSame.Match.newMatch((Turnout) t.get(POSITION_T));
+ } catch(ClassCastException e) {
+ LOGGER.error("Element(s) in tuple not properly typed!",e);
+ return null;
+ }
+ }
+
+ @Override
+ protected TurnoutOutputsAreSame.Match arrayToMatch(final Object[] match) {
+ try {
+ return TurnoutOutputsAreSame.Match.newMatch((Turnout) match[POSITION_T]);
+ } catch(ClassCastException e) {
+ LOGGER.error("Element(s) in array not properly typed!",e);
+ return null;
+ }
+ }
+
+ @Override
+ protected TurnoutOutputsAreSame.Match arrayToMatchMutable(final Object[] match) {
+ try {
+ return TurnoutOutputsAreSame.Match.newMutableMatch((Turnout) match[POSITION_T]);
+ } catch(ClassCastException e) {
+ LOGGER.error("Element(s) in array not properly typed!",e);
+ return null;
+ }
+ }
+
+ /**
+ * @return the singleton instance of the query specification of this pattern
+ * @throws ViatraQueryRuntimeException if the pattern definition could not be loaded
+ *
+ */
+ public static IQuerySpecification querySpecification() {
+ return TurnoutOutputsAreSame.instance();
+ }
+ }
+
+ private TurnoutOutputsAreSame() {
+ super(GeneratedPQuery.INSTANCE);
+ }
+
+ /**
+ * @return the singleton instance of the query specification
+ * @throws ViatraQueryRuntimeException if the pattern definition could not be loaded
+ *
+ */
+ public static TurnoutOutputsAreSame instance() {
+ try{
+ return LazyHolder.INSTANCE;
+ } catch (ExceptionInInitializerError err) {
+ throw processInitializerError(err);
+ }
+ }
+
+ @Override
+ protected TurnoutOutputsAreSame.Matcher instantiate(final ViatraQueryEngine engine) {
+ return TurnoutOutputsAreSame.Matcher.on(engine);
+ }
+
+ @Override
+ public TurnoutOutputsAreSame.Matcher instantiate() {
+ return TurnoutOutputsAreSame.Matcher.create();
+ }
+
+ @Override
+ public TurnoutOutputsAreSame.Match newEmptyMatch() {
+ return TurnoutOutputsAreSame.Match.newEmptyMatch();
+ }
+
+ @Override
+ public TurnoutOutputsAreSame.Match newMatch(final Object... parameters) {
+ return TurnoutOutputsAreSame.Match.newMatch((modes3.Turnout) parameters[0]);
+ }
+
+ /**
+ * Inner class allowing the singleton instance of {@link TurnoutOutputsAreSame} to be created
+ * not at the class load time of the outer class,
+ * but rather at the first call to {@link TurnoutOutputsAreSame#instance()}.
+ *
+ * This workaround is required e.g. to support recursion.
+ *
+ */
+ private static class LazyHolder {
+ private static final TurnoutOutputsAreSame INSTANCE = new TurnoutOutputsAreSame();
+
+ /**
+ * Statically initializes the query specification after the field {@link #INSTANCE} is assigned.
+ * This initialization order is required to support indirect recursion.
+ *
+ *
The static initializer is defined using a helper field to work around limitations of the code generator.
+ *
+ */
+ private static final Object STATIC_INITIALIZER = ensureInitialized();
+
+ public static Object ensureInitialized() {
+ INSTANCE.ensureInitializedInternal();
+ return null;
+ }
+ }
+
+ private static class GeneratedPQuery extends BaseGeneratedEMFPQuery {
+ private static final TurnoutOutputsAreSame.GeneratedPQuery INSTANCE = new GeneratedPQuery();
+
+ private final PParameter parameter_T = new PParameter("T", "modes3.Turnout", new EClassTransitiveInstancesKey((EClass)getClassifierLiteralSafe("http://www.ece.mcgill.ca/wcet/modes3", "Turnout")), PParameterDirection.INOUT);
+
+ private final List parameters = Arrays.asList(parameter_T);
+
+ private GeneratedPQuery() {
+ super(PVisibility.PUBLIC);
+ }
+
+ @Override
+ public String getFullyQualifiedName() {
+ return "modes3.queries.turnoutOutputsAreSame";
+ }
+
+ @Override
+ public List getParameterNames() {
+ return Arrays.asList("T");
+ }
+
+ @Override
+ public List getParameters() {
+ return parameters;
+ }
+
+ @Override
+ public Set doGetContainedBodies() {
+ setEvaluationHints(new QueryEvaluationHint(null, QueryEvaluationHint.BackendRequirement.UNSPECIFIED));
+ Set bodies = new LinkedHashSet<>();
+ {
+ PBody body = new PBody(this);
+ PVariable var_T = body.getOrCreateVariableByName("T");
+ PVariable var_S = body.getOrCreateVariableByName("S");
+ new TypeConstraint(body, Tuples.flatTupleOf(var_T), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("http://www.ece.mcgill.ca/wcet/modes3", "Turnout")));
+ body.setSymbolicParameters(Arrays.asList(
+ new ExportedParameter(body, var_T, parameter_T)
+ ));
+ // Turnout.straight(T, S)
+ new TypeConstraint(body, Tuples.flatTupleOf(var_T), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("http://www.ece.mcgill.ca/wcet/modes3", "Turnout")));
+ PVariable var__virtual_0_ = body.getOrCreateVariableByName(".virtual{0}");
+ new TypeConstraint(body, Tuples.flatTupleOf(var_T, var__virtual_0_), new EStructuralFeatureInstancesKey(getFeatureLiteral("http://www.ece.mcgill.ca/wcet/modes3", "Turnout", "straight")));
+ new TypeConstraint(body, Tuples.flatTupleOf(var__virtual_0_), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("http://www.ece.mcgill.ca/wcet/modes3", "Segment")));
+ new Equality(body, var__virtual_0_, var_S);
+ // Turnout.divergent(T, S)
+ new TypeConstraint(body, Tuples.flatTupleOf(var_T), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("http://www.ece.mcgill.ca/wcet/modes3", "Turnout")));
+ PVariable var__virtual_1_ = body.getOrCreateVariableByName(".virtual{1}");
+ new TypeConstraint(body, Tuples.flatTupleOf(var_T, var__virtual_1_), new EStructuralFeatureInstancesKey(getFeatureLiteral("http://www.ece.mcgill.ca/wcet/modes3", "Turnout", "divergent")));
+ new TypeConstraint(body, Tuples.flatTupleOf(var__virtual_1_), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("http://www.ece.mcgill.ca/wcet/modes3", "Segment")));
+ new Equality(body, var__virtual_1_, var_S);
+ bodies.add(body);
+ }
+ {
+ PAnnotation annotation = new PAnnotation("Constraint");
+ annotation.addAttribute("message", "turnoutOutputsAreSame");
+ annotation.addAttribute("severity", "error");
+ annotation.addAttribute("key", Arrays.asList(new Object[] {
+ new ParameterReference("T")
+ }));
+ addAnnotation(annotation);
+ }
+ return bodies;
+ }
+ }
+}
diff --git a/Domains/ca.mcgill.rtgmrt.example.modes3/vql-gen/modes3/queries/Unreachable.java b/Domains/ca.mcgill.rtgmrt.example.modes3/vql-gen/modes3/queries/Unreachable.java
new file mode 100644
index 00000000..a1b76f83
--- /dev/null
+++ b/Domains/ca.mcgill.rtgmrt.example.modes3/vql-gen/modes3/queries/Unreachable.java
@@ -0,0 +1,714 @@
+/**
+ * Generated from platform:/resource/ca.mcgill.rtgmrt.example.modes3/src/modes3/queries/Modes3Queries.vql
+ */
+package modes3.queries;
+
+import java.util.Arrays;
+import java.util.Collection;
+import java.util.LinkedHashSet;
+import java.util.List;
+import java.util.Objects;
+import java.util.Optional;
+import java.util.Set;
+import java.util.function.Consumer;
+import java.util.stream.Collectors;
+import java.util.stream.Stream;
+import modes3.Segment;
+import modes3.queries.Reachable;
+import org.apache.log4j.Logger;
+import org.eclipse.emf.ecore.EClass;
+import org.eclipse.viatra.query.runtime.api.IPatternMatch;
+import org.eclipse.viatra.query.runtime.api.IQuerySpecification;
+import org.eclipse.viatra.query.runtime.api.ViatraQueryEngine;
+import org.eclipse.viatra.query.runtime.api.impl.BaseGeneratedEMFPQuery;
+import org.eclipse.viatra.query.runtime.api.impl.BaseGeneratedEMFQuerySpecification;
+import org.eclipse.viatra.query.runtime.api.impl.BaseMatcher;
+import org.eclipse.viatra.query.runtime.api.impl.BasePatternMatch;
+import org.eclipse.viatra.query.runtime.emf.types.EClassTransitiveInstancesKey;
+import org.eclipse.viatra.query.runtime.matchers.backend.QueryEvaluationHint;
+import org.eclipse.viatra.query.runtime.matchers.psystem.PBody;
+import org.eclipse.viatra.query.runtime.matchers.psystem.PVariable;
+import org.eclipse.viatra.query.runtime.matchers.psystem.annotations.PAnnotation;
+import org.eclipse.viatra.query.runtime.matchers.psystem.annotations.ParameterReference;
+import org.eclipse.viatra.query.runtime.matchers.psystem.basicdeferred.ExportedParameter;
+import org.eclipse.viatra.query.runtime.matchers.psystem.basicdeferred.NegativePatternCall;
+import org.eclipse.viatra.query.runtime.matchers.psystem.basicenumerables.TypeConstraint;
+import org.eclipse.viatra.query.runtime.matchers.psystem.queries.PParameter;
+import org.eclipse.viatra.query.runtime.matchers.psystem.queries.PParameterDirection;
+import org.eclipse.viatra.query.runtime.matchers.psystem.queries.PVisibility;
+import org.eclipse.viatra.query.runtime.matchers.tuple.Tuple;
+import org.eclipse.viatra.query.runtime.matchers.tuple.Tuples;
+import org.eclipse.viatra.query.runtime.util.ViatraQueryLoggingUtil;
+
+/**
+ * A pattern-specific query specification that can instantiate Matcher in a type-safe way.
+ *
+ * Original source:
+ *
+ * {@literal @}Constraint(message = "unreachable", severity = "error", key = { S1, S2 })
+ * pattern unreachable(S1 : Segment, S2 : Segment) {
+ * neg find reachable(S1, S2);
+ * }
+ *
+ *
+ * @see Matcher
+ * @see Match
+ *
+ */
+@SuppressWarnings("all")
+public final class Unreachable extends BaseGeneratedEMFQuerySpecification {
+ /**
+ * Pattern-specific match representation of the modes3.queries.unreachable pattern,
+ * to be used in conjunction with {@link Matcher}.
+ *
+ * Class fields correspond to parameters of the pattern. Fields with value null are considered unassigned.
+ * Each instance is a (possibly partial) substitution of pattern parameters,
+ * usable to represent a match of the pattern in the result of a query,
+ * or to specify the bound (fixed) input parameters when issuing a query.
+ *
+ * @see Matcher
+ *
+ */
+ public static abstract class Match extends BasePatternMatch {
+ private Segment fS1;
+
+ private Segment fS2;
+
+ private static List parameterNames = makeImmutableList("S1", "S2");
+
+ private Match(final Segment pS1, final Segment pS2) {
+ this.fS1 = pS1;
+ this.fS2 = pS2;
+ }
+
+ @Override
+ public Object get(final String parameterName) {
+ switch(parameterName) {
+ case "S1": return this.fS1;
+ case "S2": return this.fS2;
+ default: return null;
+ }
+ }
+
+ @Override
+ public Object get(final int index) {
+ switch(index) {
+ case 0: return this.fS1;
+ case 1: return this.fS2;
+ default: return null;
+ }
+ }
+
+ public Segment getS1() {
+ return this.fS1;
+ }
+
+ public Segment getS2() {
+ return this.fS2;
+ }
+
+ @Override
+ public boolean set(final String parameterName, final Object newValue) {
+ if (!isMutable()) throw new java.lang.UnsupportedOperationException();
+ if ("S1".equals(parameterName) ) {
+ this.fS1 = (Segment) newValue;
+ return true;
+ }
+ if ("S2".equals(parameterName) ) {
+ this.fS2 = (Segment) newValue;
+ return true;
+ }
+ return false;
+ }
+
+ public void setS1(final Segment pS1) {
+ if (!isMutable()) throw new java.lang.UnsupportedOperationException();
+ this.fS1 = pS1;
+ }
+
+ public void setS2(final Segment pS2) {
+ if (!isMutable()) throw new java.lang.UnsupportedOperationException();
+ this.fS2 = pS2;
+ }
+
+ @Override
+ public String patternName() {
+ return "modes3.queries.unreachable";
+ }
+
+ @Override
+ public List parameterNames() {
+ return Unreachable.Match.parameterNames;
+ }
+
+ @Override
+ public Object[] toArray() {
+ return new Object[]{fS1, fS2};
+ }
+
+ @Override
+ public Unreachable.Match toImmutable() {
+ return isMutable() ? newMatch(fS1, fS2) : this;
+ }
+
+ @Override
+ public String prettyPrint() {
+ StringBuilder result = new StringBuilder();
+ result.append("\"S1\"=" + prettyPrintValue(fS1) + ", ");
+ result.append("\"S2\"=" + prettyPrintValue(fS2));
+ return result.toString();
+ }
+
+ @Override
+ public int hashCode() {
+ return Objects.hash(fS1, fS2);
+ }
+
+ @Override
+ public boolean equals(final Object obj) {
+ if (this == obj)
+ return true;
+ if (obj == null) {
+ return false;
+ }
+ if ((obj instanceof Unreachable.Match)) {
+ Unreachable.Match other = (Unreachable.Match) obj;
+ return Objects.equals(fS1, other.fS1) && Objects.equals(fS2, other.fS2);
+ } else {
+ // this should be infrequent
+ if (!(obj instanceof IPatternMatch)) {
+ return false;
+ }
+ IPatternMatch otherSig = (IPatternMatch) obj;
+ return Objects.equals(specification(), otherSig.specification()) && Arrays.deepEquals(toArray(), otherSig.toArray());
+ }
+ }
+
+ @Override
+ public Unreachable specification() {
+ return Unreachable.instance();
+ }
+
+ /**
+ * Returns an empty, mutable match.
+ * Fields of the mutable match can be filled to create a partial match, usable as matcher input.
+ *
+ * @return the empty match.
+ *
+ */
+ public static Unreachable.Match newEmptyMatch() {
+ return new Mutable(null, null);
+ }
+
+ /**
+ * Returns a mutable (partial) match.
+ * Fields of the mutable match can be filled to create a partial match, usable as matcher input.
+ *
+ * @param pS1 the fixed value of pattern parameter S1, or null if not bound.
+ * @param pS2 the fixed value of pattern parameter S2, or null if not bound.
+ * @return the new, mutable (partial) match object.
+ *
+ */
+ public static Unreachable.Match newMutableMatch(final Segment pS1, final Segment pS2) {
+ return new Mutable(pS1, pS2);
+ }
+
+ /**
+ * Returns a new (partial) match.
+ * This can be used e.g. to call the matcher with a partial match.
+ * The returned match will be immutable. Use {@link #newEmptyMatch()} to obtain a mutable match object.
+ * @param pS1 the fixed value of pattern parameter S1, or null if not bound.
+ * @param pS2 the fixed value of pattern parameter S2, or null if not bound.
+ * @return the (partial) match object.
+ *
+ */
+ public static Unreachable.Match newMatch(final Segment pS1, final Segment pS2) {
+ return new Immutable(pS1, pS2);
+ }
+
+ private static final class Mutable extends Unreachable.Match {
+ Mutable(final Segment pS1, final Segment pS2) {
+ super(pS1, pS2);
+ }
+
+ @Override
+ public boolean isMutable() {
+ return true;
+ }
+ }
+
+ private static final class Immutable extends Unreachable.Match {
+ Immutable(final Segment pS1, final Segment pS2) {
+ super(pS1, pS2);
+ }
+
+ @Override
+ public boolean isMutable() {
+ return false;
+ }
+ }
+ }
+
+ /**
+ * Generated pattern matcher API of the modes3.queries.unreachable pattern,
+ * providing pattern-specific query methods.
+ *
+ *
Use the pattern matcher on a given model via {@link #on(ViatraQueryEngine)},
+ * e.g. in conjunction with {@link ViatraQueryEngine#on(QueryScope)}.
+ *
+ *
Matches of the pattern will be represented as {@link Match}.
+ *
+ *
Original source:
+ *
+ * {@literal @}Constraint(message = "unreachable", severity = "error", key = { S1, S2 })
+ * pattern unreachable(S1 : Segment, S2 : Segment) {
+ * neg find reachable(S1, S2);
+ * }
+ *
+ *
+ * @see Match
+ * @see Unreachable
+ *
+ */
+ public static class Matcher extends BaseMatcher {
+ /**
+ * Initializes the pattern matcher within an existing VIATRA Query engine.
+ * If the pattern matcher is already constructed in the engine, only a light-weight reference is returned.
+ *
+ * @param engine the existing VIATRA Query engine in which this matcher will be created.
+ * @throws ViatraQueryRuntimeException if an error occurs during pattern matcher creation
+ *
+ */
+ public static Unreachable.Matcher on(final ViatraQueryEngine engine) {
+ // check if matcher already exists
+ Matcher matcher = engine.getExistingMatcher(querySpecification());
+ if (matcher == null) {
+ matcher = (Matcher)engine.getMatcher(querySpecification());
+ }
+ return matcher;
+ }
+
+ /**
+ * @throws ViatraQueryRuntimeException if an error occurs during pattern matcher creation
+ * @return an initialized matcher
+ * @noreference This method is for internal matcher initialization by the framework, do not call it manually.
+ *
+ */
+ public static Unreachable.Matcher create() {
+ return new Matcher();
+ }
+
+ private static final int POSITION_S1 = 0;
+
+ private static final int POSITION_S2 = 1;
+
+ private static final Logger LOGGER = ViatraQueryLoggingUtil.getLogger(Unreachable.Matcher.class);
+
+ /**
+ * Initializes the pattern matcher within an existing VIATRA Query engine.
+ * If the pattern matcher is already constructed in the engine, only a light-weight reference is returned.
+ *
+ * @param engine the existing VIATRA Query engine in which this matcher will be created.
+ * @throws ViatraQueryRuntimeException if an error occurs during pattern matcher creation
+ *
+ */
+ private Matcher() {
+ super(querySpecification());
+ }
+
+ /**
+ * Returns the set of all matches of the pattern that conform to the given fixed values of some parameters.
+ * @param pS1 the fixed value of pattern parameter S1, or null if not bound.
+ * @param pS2 the fixed value of pattern parameter S2, or null if not bound.
+ * @return matches represented as a Match object.
+ *
+ */
+ public Collection getAllMatches(final Segment pS1, final Segment pS2) {
+ return rawStreamAllMatches(new Object[]{pS1, pS2}).collect(Collectors.toSet());
+ }
+
+ /**
+ * Returns a stream of all matches of the pattern that conform to the given fixed values of some parameters.
+ *
+ * NOTE: It is important not to modify the source model while the stream is being processed.
+ * If the match set of the pattern changes during processing, the contents of the stream is undefined.
+ * In such cases, either rely on {@link #getAllMatches()} or collect the results of the stream in end-user code.
+ * @param pS1 the fixed value of pattern parameter S1, or null if not bound.
+ * @param pS2 the fixed value of pattern parameter S2, or null if not bound.
+ * @return a stream of matches represented as a Match object.
+ *
+ */
+ public Stream streamAllMatches(final Segment pS1, final Segment pS2) {
+ return rawStreamAllMatches(new Object[]{pS1, pS2});
+ }
+
+ /**
+ * Returns an arbitrarily chosen match of the pattern that conforms to the given fixed values of some parameters.
+ * Neither determinism nor randomness of selection is guaranteed.
+ * @param pS1 the fixed value of pattern parameter S1, or null if not bound.
+ * @param pS2 the fixed value of pattern parameter S2, or null if not bound.
+ * @return a match represented as a Match object, or null if no match is found.
+ *
+ */
+ public Optional getOneArbitraryMatch(final Segment pS1, final Segment pS2) {
+ return rawGetOneArbitraryMatch(new Object[]{pS1, pS2});
+ }
+
+ /**
+ * Indicates whether the given combination of specified pattern parameters constitute a valid pattern match,
+ * under any possible substitution of the unspecified parameters (if any).
+ * @param pS1 the fixed value of pattern parameter S1, or null if not bound.
+ * @param pS2 the fixed value of pattern parameter S2, or null if not bound.
+ * @return true if the input is a valid (partial) match of the pattern.
+ *
+ */
+ public boolean hasMatch(final Segment pS1, final Segment pS2) {
+ return rawHasMatch(new Object[]{pS1, pS2});
+ }
+
+ /**
+ * Returns the number of all matches of the pattern that conform to the given fixed values of some parameters.
+ * @param pS1 the fixed value of pattern parameter S1, or null if not bound.
+ * @param pS2 the fixed value of pattern parameter S2, or null if not bound.
+ * @return the number of pattern matches found.
+ *
+ */
+ public int countMatches(final Segment pS1, final Segment pS2) {
+ return rawCountMatches(new Object[]{pS1, pS2});
+ }
+
+ /**
+ * Executes the given processor on an arbitrarily chosen match of the pattern that conforms to the given fixed values of some parameters.
+ * Neither determinism nor randomness of selection is guaranteed.
+ * @param pS1 the fixed value of pattern parameter S1, or null if not bound.
+ * @param pS2 the fixed value of pattern parameter S2, or null if not bound.
+ * @param processor the action that will process the selected match.
+ * @return true if the pattern has at least one match with the given parameter values, false if the processor was not invoked
+ *
+ */
+ public boolean forOneArbitraryMatch(final Segment pS1, final Segment pS2, final Consumer super Unreachable.Match> processor) {
+ return rawForOneArbitraryMatch(new Object[]{pS1, pS2}, processor);
+ }
+
+ /**
+ * Returns a new (partial) match.
+ * This can be used e.g. to call the matcher with a partial match.
+ * The returned match will be immutable. Use {@link #newEmptyMatch()} to obtain a mutable match object.
+ * @param pS1 the fixed value of pattern parameter S1, or null if not bound.
+ * @param pS2 the fixed value of pattern parameter S2, or null if not bound.
+ * @return the (partial) match object.
+ *
+ */
+ public Unreachable.Match newMatch(final Segment pS1, final Segment pS2) {
+ return Unreachable.Match.newMatch(pS1, pS2);
+ }
+
+ /**
+ * Retrieve the set of values that occur in matches for S1.
+ * @return the Set of all values or empty set if there are no matches
+ *
+ */
+ protected Stream rawStreamAllValuesOfS1(final Object[] parameters) {
+ return rawStreamAllValues(POSITION_S1, parameters).map(Segment.class::cast);
+ }
+
+ /**
+ * Retrieve the set of values that occur in matches for S1.
+ * @return the Set of all values or empty set if there are no matches
+ *
+ */
+ public Set getAllValuesOfS1() {
+ return rawStreamAllValuesOfS1(emptyArray()).collect(Collectors.toSet());
+ }
+
+ /**
+ * Retrieve the set of values that occur in matches for S1.
+ * @return the Set of all values or empty set if there are no matches
+ *
+ */
+ public Stream streamAllValuesOfS1() {
+ return rawStreamAllValuesOfS1(emptyArray());
+ }
+
+ /**
+ * Retrieve the set of values that occur in matches for S1.
+ *
+ * NOTE: It is important not to modify the source model while the stream is being processed.
+ * If the match set of the pattern changes during processing, the contents of the stream is undefined.
+ * In such cases, either rely on {@link #getAllMatches()} or collect the results of the stream in end-user code.
+ *
+ * @return the Stream of all values or empty set if there are no matches
+ *
+ */
+ public Stream streamAllValuesOfS1(final Unreachable.Match partialMatch) {
+ return rawStreamAllValuesOfS1(partialMatch.toArray());
+ }
+
+ /**
+ * Retrieve the set of values that occur in matches for S1.
+ *
+ * NOTE: It is important not to modify the source model while the stream is being processed.
+ * If the match set of the pattern changes during processing, the contents of the stream is undefined.
+ * In such cases, either rely on {@link #getAllMatches()} or collect the results of the stream in end-user code.
+ *
+ * @return the Stream of all values or empty set if there are no matches
+ *
+ */
+ public Stream streamAllValuesOfS1(final Segment pS2) {
+ return rawStreamAllValuesOfS1(new Object[]{null, pS2});
+ }
+
+ /**
+ * Retrieve the set of values that occur in matches for S1.
+ * @return the Set of all values or empty set if there are no matches
+ *
+ */
+ public Set getAllValuesOfS1(final Unreachable.Match partialMatch) {
+ return rawStreamAllValuesOfS1(partialMatch.toArray()).collect(Collectors.toSet());
+ }
+
+ /**
+ * Retrieve the set of values that occur in matches for S1.
+ * @return the Set of all values or empty set if there are no matches
+ *
+ */
+ public Set getAllValuesOfS1(final Segment pS2) {
+ return rawStreamAllValuesOfS1(new Object[]{null, pS2}).collect(Collectors.toSet());
+ }
+
+ /**
+ * Retrieve the set of values that occur in matches for S2.
+ * @return the Set of all values or empty set if there are no matches
+ *
+ */
+ protected Stream rawStreamAllValuesOfS2(final Object[] parameters) {
+ return rawStreamAllValues(POSITION_S2, parameters).map(Segment.class::cast);
+ }
+
+ /**
+ * Retrieve the set of values that occur in matches for S2.
+ * @return the Set of all values or empty set if there are no matches
+ *
+ */
+ public Set getAllValuesOfS2() {
+ return rawStreamAllValuesOfS2(emptyArray()).collect(Collectors.toSet());
+ }
+
+ /**
+ * Retrieve the set of values that occur in matches for S2.
+ * @return the Set of all values or empty set if there are no matches
+ *
+ */
+ public Stream streamAllValuesOfS2() {
+ return rawStreamAllValuesOfS2(emptyArray());
+ }
+
+ /**
+ * Retrieve the set of values that occur in matches for S2.
+ *
+ * NOTE: It is important not to modify the source model while the stream is being processed.
+ * If the match set of the pattern changes during processing, the contents of the stream is undefined.
+ * In such cases, either rely on {@link #getAllMatches()} or collect the results of the stream in end-user code.
+ *
+ * @return the Stream of all values or empty set if there are no matches
+ *
+ */
+ public Stream streamAllValuesOfS2(final Unreachable.Match partialMatch) {
+ return rawStreamAllValuesOfS2(partialMatch.toArray());
+ }
+
+ /**
+ * Retrieve the set of values that occur in matches for S2.
+ *
+ * NOTE: It is important not to modify the source model while the stream is being processed.
+ * If the match set of the pattern changes during processing, the contents of the stream is undefined.
+ * In such cases, either rely on {@link #getAllMatches()} or collect the results of the stream in end-user code.
+ *
+ * @return the Stream of all values or empty set if there are no matches
+ *
+ */
+ public Stream streamAllValuesOfS2(final Segment pS1) {
+ return rawStreamAllValuesOfS2(new Object[]{pS1, null});
+ }
+
+ /**
+ * Retrieve the set of values that occur in matches for S2.
+ * @return the Set of all values or empty set if there are no matches
+ *
+ */
+ public Set getAllValuesOfS2(final Unreachable.Match partialMatch) {
+ return rawStreamAllValuesOfS2(partialMatch.toArray()).collect(Collectors.toSet());
+ }
+
+ /**
+ * Retrieve the set of values that occur in matches for S2.
+ * @return the Set of all values or empty set if there are no matches
+ *
+ */
+ public Set getAllValuesOfS2(final Segment pS1) {
+ return rawStreamAllValuesOfS2(new Object[]{pS1, null}).collect(Collectors.toSet());
+ }
+
+ @Override
+ protected Unreachable.Match tupleToMatch(final Tuple t) {
+ try {
+ return Unreachable.Match.newMatch((Segment) t.get(POSITION_S1), (Segment) t.get(POSITION_S2));
+ } catch(ClassCastException e) {
+ LOGGER.error("Element(s) in tuple not properly typed!",e);
+ return null;
+ }
+ }
+
+ @Override
+ protected Unreachable.Match arrayToMatch(final Object[] match) {
+ try {
+ return Unreachable.Match.newMatch((Segment) match[POSITION_S1], (Segment) match[POSITION_S2]);
+ } catch(ClassCastException e) {
+ LOGGER.error("Element(s) in array not properly typed!",e);
+ return null;
+ }
+ }
+
+ @Override
+ protected Unreachable.Match arrayToMatchMutable(final Object[] match) {
+ try {
+ return Unreachable.Match.newMutableMatch((Segment) match[POSITION_S1], (Segment) match[POSITION_S2]);
+ } catch(ClassCastException e) {
+ LOGGER.error("Element(s) in array not properly typed!",e);
+ return null;
+ }
+ }
+
+ /**
+ * @return the singleton instance of the query specification of this pattern
+ * @throws ViatraQueryRuntimeException if the pattern definition could not be loaded
+ *
+ */
+ public static IQuerySpecification querySpecification() {
+ return Unreachable.instance();
+ }
+ }
+
+ private Unreachable() {
+ super(GeneratedPQuery.INSTANCE);
+ }
+
+ /**
+ * @return the singleton instance of the query specification
+ * @throws ViatraQueryRuntimeException if the pattern definition could not be loaded
+ *
+ */
+ public static Unreachable instance() {
+ try{
+ return LazyHolder.INSTANCE;
+ } catch (ExceptionInInitializerError err) {
+ throw processInitializerError(err);
+ }
+ }
+
+ @Override
+ protected Unreachable.Matcher instantiate(final ViatraQueryEngine engine) {
+ return Unreachable.Matcher.on(engine);
+ }
+
+ @Override
+ public Unreachable.Matcher instantiate() {
+ return Unreachable.Matcher.create();
+ }
+
+ @Override
+ public Unreachable.Match newEmptyMatch() {
+ return Unreachable.Match.newEmptyMatch();
+ }
+
+ @Override
+ public Unreachable.Match newMatch(final Object... parameters) {
+ return Unreachable.Match.newMatch((modes3.Segment) parameters[0], (modes3.Segment) parameters[1]);
+ }
+
+ /**
+ * Inner class allowing the singleton instance of {@link Unreachable} to be created
+ * not at the class load time of the outer class,
+ * but rather at the first call to {@link Unreachable#instance()}.
+ *
+ * This workaround is required e.g. to support recursion.
+ *
+ */
+ private static class LazyHolder {
+ private static final Unreachable INSTANCE = new Unreachable();
+
+ /**
+ * Statically initializes the query specification after the field {@link #INSTANCE} is assigned.
+ * This initialization order is required to support indirect recursion.
+ *
+ *
The static initializer is defined using a helper field to work around limitations of the code generator.
+ *
+ */
+ private static final Object STATIC_INITIALIZER = ensureInitialized();
+
+ public static Object ensureInitialized() {
+ INSTANCE.ensureInitializedInternal();
+ return null;
+ }
+ }
+
+ private static class GeneratedPQuery extends BaseGeneratedEMFPQuery {
+ private static final Unreachable.GeneratedPQuery INSTANCE = new GeneratedPQuery();
+
+ private final PParameter parameter_S1 = new PParameter("S1", "modes3.Segment", new EClassTransitiveInstancesKey((EClass)getClassifierLiteralSafe("http://www.ece.mcgill.ca/wcet/modes3", "Segment")), PParameterDirection.INOUT);
+
+ private final PParameter parameter_S2 = new PParameter("S2", "modes3.Segment", new EClassTransitiveInstancesKey((EClass)getClassifierLiteralSafe("http://www.ece.mcgill.ca/wcet/modes3", "Segment")), PParameterDirection.INOUT);
+
+ private final List parameters = Arrays.asList(parameter_S1, parameter_S2);
+
+ private GeneratedPQuery() {
+ super(PVisibility.PUBLIC);
+ }
+
+ @Override
+ public String getFullyQualifiedName() {
+ return "modes3.queries.unreachable";
+ }
+
+ @Override
+ public List getParameterNames() {
+ return Arrays.asList("S1","S2");
+ }
+
+ @Override
+ public List getParameters() {
+ return parameters;
+ }
+
+ @Override
+ public Set doGetContainedBodies() {
+ setEvaluationHints(new QueryEvaluationHint(null, QueryEvaluationHint.BackendRequirement.UNSPECIFIED));
+ Set bodies = new LinkedHashSet<>();
+ {
+ PBody body = new PBody(this);
+ PVariable var_S1 = body.getOrCreateVariableByName("S1");
+ PVariable var_S2 = body.getOrCreateVariableByName("S2");
+ new TypeConstraint(body, Tuples.flatTupleOf(var_S1), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("http://www.ece.mcgill.ca/wcet/modes3", "Segment")));
+ new TypeConstraint(body, Tuples.flatTupleOf(var_S2), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("http://www.ece.mcgill.ca/wcet/modes3", "Segment")));
+ body.setSymbolicParameters(Arrays.asList(
+ new ExportedParameter(body, var_S1, parameter_S1),
+ new ExportedParameter(body, var_S2, parameter_S2)
+ ));
+ // neg find reachable(S1, S2)
+ new NegativePatternCall(body, Tuples.flatTupleOf(var_S1, var_S2), Reachable.instance().getInternalQueryRepresentation());
+ bodies.add(body);
+ }
+ {
+ PAnnotation annotation = new PAnnotation("Constraint");
+ annotation.addAttribute("message", "unreachable");
+ annotation.addAttribute("severity", "error");
+ annotation.addAttribute("key", Arrays.asList(new Object[] {
+ new ParameterReference("S1"),
+ new ParameterReference("S2")
+ }));
+ addAnnotation(annotation);
+ }
+ return bodies;
+ }
+ }
+}
--
cgit v1.2.3-54-g00ecf