From f06427cd7375551582461f91b3458339a8227f9b Mon Sep 17 00:00:00 2001 From: Kristóf Marussy Date: Mon, 2 Nov 2020 02:02:40 +0100 Subject: Optimizing generator with linear objective functions --- .../modes3/queries/MultipleConnectedTo.java | 565 +++++++++++++++++++++ 1 file changed, 565 insertions(+) create mode 100644 Domains/ca.mcgill.rtgmrt.example.modes3/vql-gen/modes3/queries/MultipleConnectedTo.java (limited to 'Domains/ca.mcgill.rtgmrt.example.modes3/vql-gen/modes3/queries/MultipleConnectedTo.java') diff --git a/Domains/ca.mcgill.rtgmrt.example.modes3/vql-gen/modes3/queries/MultipleConnectedTo.java b/Domains/ca.mcgill.rtgmrt.example.modes3/vql-gen/modes3/queries/MultipleConnectedTo.java new file mode 100644 index 00000000..277006c9 --- /dev/null +++ b/Domains/ca.mcgill.rtgmrt.example.modes3/vql-gen/modes3/queries/MultipleConnectedTo.java @@ -0,0 +1,565 @@ +/** + * 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.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.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 multipleConnectedTo(s : Segment) {
+ *         	Segment.connectedTo(s, n1);
+ *         	Segment.connectedTo(s, n2);
+ *         	n1 != n2;
+ *         }
+ *
+ * + * @see Matcher + * @see Match + * + */ +@SuppressWarnings("all") +public final class MultipleConnectedTo extends BaseGeneratedEMFQuerySpecification { + /** + * Pattern-specific match representation of the modes3.queries.multipleConnectedTo 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.multipleConnectedTo"; + } + + @Override + public List parameterNames() { + return MultipleConnectedTo.Match.parameterNames; + } + + @Override + public Object[] toArray() { + return new Object[]{fS}; + } + + @Override + public MultipleConnectedTo.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 MultipleConnectedTo.Match)) { + MultipleConnectedTo.Match other = (MultipleConnectedTo.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 MultipleConnectedTo specification() { + return MultipleConnectedTo.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 MultipleConnectedTo.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 MultipleConnectedTo.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 MultipleConnectedTo.Match newMatch(final Segment pS) { + return new Immutable(pS); + } + + private static final class Mutable extends MultipleConnectedTo.Match { + Mutable(final Segment pS) { + super(pS); + } + + @Override + public boolean isMutable() { + return true; + } + } + + private static final class Immutable extends MultipleConnectedTo.Match { + Immutable(final Segment pS) { + super(pS); + } + + @Override + public boolean isMutable() { + return false; + } + } + } + + /** + * Generated pattern matcher API of the modes3.queries.multipleConnectedTo 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 multipleConnectedTo(s : Segment) {
+   * 	Segment.connectedTo(s, n1);
+   * 	Segment.connectedTo(s, n2);
+   * 	n1 != n2;
+   * }
+   *
+ * + * @see Match + * @see MultipleConnectedTo + * + */ + 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 MultipleConnectedTo.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 MultipleConnectedTo.Matcher create() { + return new Matcher(); + } + + private static final int POSITION_S = 0; + + private static final Logger LOGGER = ViatraQueryLoggingUtil.getLogger(MultipleConnectedTo.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 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 MultipleConnectedTo.Match newMatch(final Segment pS) { + return MultipleConnectedTo.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 MultipleConnectedTo.Match tupleToMatch(final Tuple t) { + try { + return MultipleConnectedTo.Match.newMatch((Segment) t.get(POSITION_S)); + } catch(ClassCastException e) { + LOGGER.error("Element(s) in tuple not properly typed!",e); + return null; + } + } + + @Override + protected MultipleConnectedTo.Match arrayToMatch(final Object[] match) { + try { + return MultipleConnectedTo.Match.newMatch((Segment) match[POSITION_S]); + } catch(ClassCastException e) { + LOGGER.error("Element(s) in array not properly typed!",e); + return null; + } + } + + @Override + protected MultipleConnectedTo.Match arrayToMatchMutable(final Object[] match) { + try { + return MultipleConnectedTo.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 MultipleConnectedTo.instance(); + } + } + + private MultipleConnectedTo() { + super(GeneratedPQuery.INSTANCE); + } + + /** + * @return the singleton instance of the query specification + * @throws ViatraQueryRuntimeException if the pattern definition could not be loaded + * + */ + public static MultipleConnectedTo instance() { + try{ + return LazyHolder.INSTANCE; + } catch (ExceptionInInitializerError err) { + throw processInitializerError(err); + } + } + + @Override + protected MultipleConnectedTo.Matcher instantiate(final ViatraQueryEngine engine) { + return MultipleConnectedTo.Matcher.on(engine); + } + + @Override + public MultipleConnectedTo.Matcher instantiate() { + return MultipleConnectedTo.Matcher.create(); + } + + @Override + public MultipleConnectedTo.Match newEmptyMatch() { + return MultipleConnectedTo.Match.newEmptyMatch(); + } + + @Override + public MultipleConnectedTo.Match newMatch(final Object... parameters) { + return MultipleConnectedTo.Match.newMatch((modes3.Segment) parameters[0]); + } + + /** + * Inner class allowing the singleton instance of {@link MultipleConnectedTo} to be created + * not at the class load time of the outer class, + * but rather at the first call to {@link MultipleConnectedTo#instance()}. + * + *

This workaround is required e.g. to support recursion. + * + */ + private static class LazyHolder { + private static final MultipleConnectedTo INSTANCE = new MultipleConnectedTo(); + + /** + * 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 MultipleConnectedTo.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.multipleConnectedTo"; + } + + @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_n1 = body.getOrCreateVariableByName("n1"); + PVariable var_n2 = body.getOrCreateVariableByName("n2"); + 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, n1) + 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_n1); + // Segment.connectedTo(s, n2) + new TypeConstraint(body, Tuples.flatTupleOf(var_s), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("http://www.ece.mcgill.ca/wcet/modes3", "Segment"))); + PVariable var__virtual_1_ = body.getOrCreateVariableByName(".virtual{1}"); + new TypeConstraint(body, Tuples.flatTupleOf(var_s, var__virtual_1_), new EStructuralFeatureInstancesKey(getFeatureLiteral("http://www.ece.mcgill.ca/wcet/modes3", "Segment", "connectedTo"))); + 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_n2); + // n1 != n2 + new Inequality(body, var_n1, var_n2); + bodies.add(body); + } + return bodies; + } + } +} -- cgit v1.2.3-54-g00ecf