/**
* Generated from platform:/resource/hu.bme.mit.inf.dslreasoner.domains.alloyexamples/patterns/hu/bme/mit/inf/dslreasoner/domains/alloyexamples/Ecore.vql
*/
package hu.bme.mit.inf.dslreasoner.domains.alloyexamples;
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.emf.ecore.EReference;
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.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:
*
* {@literal @}Constraint(key={a}, severity="error", message="error")
* pattern oppositeDifferentClass(a:EReference) {
* EReference.eOpposite(a,b);
* EReference.eContainingClass(a,aContaining);
* EReference.eType(b,bTarget);
* aContaining != bTarget;
* }
*
*
* @see Matcher
* @see Match
*
*/
@SuppressWarnings("all")
public final class OppositeDifferentClass extends BaseGeneratedEMFQuerySpecification {
/**
* Pattern-specific match representation of the hu.bme.mit.inf.dslreasoner.domains.alloyexamples.oppositeDifferentClass 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 EReference fA;
private static List parameterNames = makeImmutableList("a");
private Match(final EReference pA) {
this.fA = pA;
}
@Override
public Object get(final String parameterName) {
if ("a".equals(parameterName)) return this.fA;
return null;
}
public EReference getA() {
return this.fA;
}
@Override
public boolean set(final String parameterName, final Object newValue) {
if (!isMutable()) throw new java.lang.UnsupportedOperationException();
if ("a".equals(parameterName) ) {
this.fA = (EReference) newValue;
return true;
}
return false;
}
public void setA(final EReference pA) {
if (!isMutable()) throw new java.lang.UnsupportedOperationException();
this.fA = pA;
}
@Override
public String patternName() {
return "hu.bme.mit.inf.dslreasoner.domains.alloyexamples.oppositeDifferentClass";
}
@Override
public List parameterNames() {
return OppositeDifferentClass.Match.parameterNames;
}
@Override
public Object[] toArray() {
return new Object[]{fA};
}
@Override
public OppositeDifferentClass.Match toImmutable() {
return isMutable() ? newMatch(fA) : this;
}
@Override
public String prettyPrint() {
StringBuilder result = new StringBuilder();
result.append("\"a\"=" + prettyPrintValue(fA));
return result.toString();
}
@Override
public int hashCode() {
return Objects.hash(fA);
}
@Override
public boolean equals(final Object obj) {
if (this == obj)
return true;
if (obj == null) {
return false;
}
if ((obj instanceof OppositeDifferentClass.Match)) {
OppositeDifferentClass.Match other = (OppositeDifferentClass.Match) obj;
return Objects.equals(fA, other.fA);
} 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 OppositeDifferentClass specification() {
return OppositeDifferentClass.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 OppositeDifferentClass.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 pA the fixed value of pattern parameter a, or null if not bound.
* @return the new, mutable (partial) match object.
*
*/
public static OppositeDifferentClass.Match newMutableMatch(final EReference pA) {
return new Mutable(pA);
}
/**
* 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 pA the fixed value of pattern parameter a, or null if not bound.
* @return the (partial) match object.
*
*/
public static OppositeDifferentClass.Match newMatch(final EReference pA) {
return new Immutable(pA);
}
private static final class Mutable extends OppositeDifferentClass.Match {
Mutable(final EReference pA) {
super(pA);
}
@Override
public boolean isMutable() {
return true;
}
}
private static final class Immutable extends OppositeDifferentClass.Match {
Immutable(final EReference pA) {
super(pA);
}
@Override
public boolean isMutable() {
return false;
}
}
}
/**
* Generated pattern matcher API of the hu.bme.mit.inf.dslreasoner.domains.alloyexamples.oppositeDifferentClass 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(key={a}, severity="error", message="error")
* pattern oppositeDifferentClass(a:EReference) {
* EReference.eOpposite(a,b);
* EReference.eContainingClass(a,aContaining);
* EReference.eType(b,bTarget);
* aContaining != bTarget;
* }
*
*
* @see Match
* @see OppositeDifferentClass
*
*/
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 OppositeDifferentClass.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 OppositeDifferentClass.Matcher create() {
return new Matcher();
}
private static final int POSITION_A = 0;
private static final Logger LOGGER = ViatraQueryLoggingUtil.getLogger(OppositeDifferentClass.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 pA the fixed value of pattern parameter a, or null if not bound.
* @return matches represented as a Match object.
*
*/
public Collection getAllMatches(final EReference pA) {
return rawStreamAllMatches(new Object[]{pA}).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 pA the fixed value of pattern parameter a, or null if not bound.
* @return a stream of matches represented as a Match object.
*
*/
public Stream streamAllMatches(final EReference pA) {
return rawStreamAllMatches(new Object[]{pA});
}
/**
* 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 pA the fixed value of pattern parameter a, or null if not bound.
* @return a match represented as a Match object, or null if no match is found.
*
*/
public Optional getOneArbitraryMatch(final EReference pA) {
return rawGetOneArbitraryMatch(new Object[]{pA});
}
/**
* 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 pA the fixed value of pattern parameter a, or null if not bound.
* @return true if the input is a valid (partial) match of the pattern.
*
*/
public boolean hasMatch(final EReference pA) {
return rawHasMatch(new Object[]{pA});
}
/**
* Returns the number of all matches of the pattern that conform to the given fixed values of some parameters.
* @param pA the fixed value of pattern parameter a, or null if not bound.
* @return the number of pattern matches found.
*
*/
public int countMatches(final EReference pA) {
return rawCountMatches(new Object[]{pA});
}
/**
* 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 pA the fixed value of pattern parameter a, 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 EReference pA, final Consumer super OppositeDifferentClass.Match> processor) {
return rawForOneArbitraryMatch(new Object[]{pA}, 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 pA the fixed value of pattern parameter a, or null if not bound.
* @return the (partial) match object.
*
*/
public OppositeDifferentClass.Match newMatch(final EReference pA) {
return OppositeDifferentClass.Match.newMatch(pA);
}
/**
* Retrieve the set of values that occur in matches for a.
* @return the Set of all values or empty set if there are no matches
*
*/
protected Stream rawStreamAllValuesOfa(final Object[] parameters) {
return rawStreamAllValues(POSITION_A, parameters).map(EReference.class::cast);
}
/**
* Retrieve the set of values that occur in matches for a.
* @return the Set of all values or empty set if there are no matches
*
*/
public Set getAllValuesOfa() {
return rawStreamAllValuesOfa(emptyArray()).collect(Collectors.toSet());
}
/**
* Retrieve the set of values that occur in matches for a.
* @return the Set of all values or empty set if there are no matches
*
*/
public Stream streamAllValuesOfa() {
return rawStreamAllValuesOfa(emptyArray());
}
@Override
protected OppositeDifferentClass.Match tupleToMatch(final Tuple t) {
try {
return OppositeDifferentClass.Match.newMatch((EReference) t.get(POSITION_A));
} catch(ClassCastException e) {
LOGGER.error("Element(s) in tuple not properly typed!",e);
return null;
}
}
@Override
protected OppositeDifferentClass.Match arrayToMatch(final Object[] match) {
try {
return OppositeDifferentClass.Match.newMatch((EReference) match[POSITION_A]);
} catch(ClassCastException e) {
LOGGER.error("Element(s) in array not properly typed!",e);
return null;
}
}
@Override
protected OppositeDifferentClass.Match arrayToMatchMutable(final Object[] match) {
try {
return OppositeDifferentClass.Match.newMutableMatch((EReference) match[POSITION_A]);
} 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 OppositeDifferentClass.instance();
}
}
private OppositeDifferentClass() {
super(GeneratedPQuery.INSTANCE);
}
/**
* @return the singleton instance of the query specification
* @throws ViatraQueryRuntimeException if the pattern definition could not be loaded
*
*/
public static OppositeDifferentClass instance() {
try{
return LazyHolder.INSTANCE;
} catch (ExceptionInInitializerError err) {
throw processInitializerError(err);
}
}
@Override
protected OppositeDifferentClass.Matcher instantiate(final ViatraQueryEngine engine) {
return OppositeDifferentClass.Matcher.on(engine);
}
@Override
public OppositeDifferentClass.Matcher instantiate() {
return OppositeDifferentClass.Matcher.create();
}
@Override
public OppositeDifferentClass.Match newEmptyMatch() {
return OppositeDifferentClass.Match.newEmptyMatch();
}
@Override
public OppositeDifferentClass.Match newMatch(final Object... parameters) {
return OppositeDifferentClass.Match.newMatch((org.eclipse.emf.ecore.EReference) parameters[0]);
}
/**
* Inner class allowing the singleton instance of {@link JvmGenericType: hu.bme.mit.inf.dslreasoner.domains.alloyexamples.OppositeDifferentClass (visibility: PUBLIC, simpleName: OppositeDifferentClass, identifier: hu.bme.mit.inf.dslreasoner.domains.alloyexamples.OppositeDifferentClass, deprecated: ) (abstract: false, static: false, final: true, packageName: hu.bme.mit.inf.dslreasoner.domains.alloyexamples) (interface: false, strictFloatingPoint: false, anonymous: false)} to be created
* not at the class load time of the outer class,
* but rather at the first call to {@link JvmGenericType: hu.bme.mit.inf.dslreasoner.domains.alloyexamples.OppositeDifferentClass (visibility: PUBLIC, simpleName: OppositeDifferentClass, identifier: hu.bme.mit.inf.dslreasoner.domains.alloyexamples.OppositeDifferentClass, deprecated: ) (abstract: false, static: false, final: true, packageName: hu.bme.mit.inf.dslreasoner.domains.alloyexamples) (interface: false, strictFloatingPoint: false, anonymous: false)#instance()}.
*
* This workaround is required e.g. to support recursion.
*
*/
private static class LazyHolder {
private static final OppositeDifferentClass INSTANCE = new OppositeDifferentClass();
/**
* 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 OppositeDifferentClass.GeneratedPQuery INSTANCE = new GeneratedPQuery();
private final PParameter parameter_a = new PParameter("a", "org.eclipse.emf.ecore.EReference", new EClassTransitiveInstancesKey((EClass)getClassifierLiteralSafe("http://www.eclipse.org/emf/2002/Ecore", "EReference")), PParameterDirection.INOUT);
private final List parameters = Arrays.asList(parameter_a);
private GeneratedPQuery() {
super(PVisibility.PUBLIC);
}
@Override
public String getFullyQualifiedName() {
return "hu.bme.mit.inf.dslreasoner.domains.alloyexamples.oppositeDifferentClass";
}
@Override
public List getParameterNames() {
return Arrays.asList("a");
}
@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_a = body.getOrCreateVariableByName("a");
PVariable var_b = body.getOrCreateVariableByName("b");
PVariable var_aContaining = body.getOrCreateVariableByName("aContaining");
PVariable var_bTarget = body.getOrCreateVariableByName("bTarget");
new TypeConstraint(body, Tuples.flatTupleOf(var_a), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("http://www.eclipse.org/emf/2002/Ecore", "EReference")));
body.setSymbolicParameters(Arrays.asList(
new ExportedParameter(body, var_a, parameter_a)
));
// EReference.eOpposite(a,b)
new TypeConstraint(body, Tuples.flatTupleOf(var_a), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("http://www.eclipse.org/emf/2002/Ecore", "EReference")));
PVariable var__virtual_0_ = body.getOrCreateVariableByName(".virtual{0}");
new TypeConstraint(body, Tuples.flatTupleOf(var_a, var__virtual_0_), new EStructuralFeatureInstancesKey(getFeatureLiteral("http://www.eclipse.org/emf/2002/Ecore", "EReference", "eOpposite")));
new TypeConstraint(body, Tuples.flatTupleOf(var__virtual_0_), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("http://www.eclipse.org/emf/2002/Ecore", "EReference")));
new Equality(body, var__virtual_0_, var_b);
// EReference.eContainingClass(a,aContaining)
new TypeConstraint(body, Tuples.flatTupleOf(var_a), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("http://www.eclipse.org/emf/2002/Ecore", "EReference")));
PVariable var__virtual_1_ = body.getOrCreateVariableByName(".virtual{1}");
new TypeConstraint(body, Tuples.flatTupleOf(var_a, var__virtual_1_), new EStructuralFeatureInstancesKey(getFeatureLiteral("http://www.eclipse.org/emf/2002/Ecore", "EStructuralFeature", "eContainingClass")));
new TypeConstraint(body, Tuples.flatTupleOf(var__virtual_1_), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("http://www.eclipse.org/emf/2002/Ecore", "EClass")));
new Equality(body, var__virtual_1_, var_aContaining);
// EReference.eType(b,bTarget)
new TypeConstraint(body, Tuples.flatTupleOf(var_b), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("http://www.eclipse.org/emf/2002/Ecore", "EReference")));
PVariable var__virtual_2_ = body.getOrCreateVariableByName(".virtual{2}");
new TypeConstraint(body, Tuples.flatTupleOf(var_b, var__virtual_2_), new EStructuralFeatureInstancesKey(getFeatureLiteral("http://www.eclipse.org/emf/2002/Ecore", "ETypedElement", "eType")));
new TypeConstraint(body, Tuples.flatTupleOf(var__virtual_2_), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("http://www.eclipse.org/emf/2002/Ecore", "EClassifier")));
new Equality(body, var__virtual_2_, var_bTarget);
// aContaining != bTarget
new Inequality(body, var_aContaining, var_bTarget);
bodies.add(body);
}
{
PAnnotation annotation = new PAnnotation("Constraint");
annotation.addAttribute("key", Arrays.asList(new Object[] {
new ParameterReference("a")
}));
annotation.addAttribute("severity", "error");
annotation.addAttribute("message", "error");
addAnnotation(annotation);
}
return bodies;
}
}
}