/**
* Generated from platform:/resource/SocialNetwork_plugin/queries/queries/Ecore.vql
*/
package 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.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 superTypes(c1:EClass, c2:EClass){
* EClass.eSuperTypes(c1,c2);
* }
*
*
* @see Matcher
* @see Match
*
*/
@SuppressWarnings("all")
public final class SuperTypes extends BaseGeneratedEMFQuerySpecification {
/**
* Pattern-specific match representation of the queries.superTypes 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 EClass fC1;
private EClass fC2;
private static List parameterNames = makeImmutableList("c1", "c2");
private Match(final EClass pC1, final EClass pC2) {
this.fC1 = pC1;
this.fC2 = pC2;
}
@Override
public Object get(final String parameterName) {
if ("c1".equals(parameterName)) return this.fC1;
if ("c2".equals(parameterName)) return this.fC2;
return null;
}
public EClass getC1() {
return this.fC1;
}
public EClass getC2() {
return this.fC2;
}
@Override
public boolean set(final String parameterName, final Object newValue) {
if (!isMutable()) throw new java.lang.UnsupportedOperationException();
if ("c1".equals(parameterName) ) {
this.fC1 = (EClass) newValue;
return true;
}
if ("c2".equals(parameterName) ) {
this.fC2 = (EClass) newValue;
return true;
}
return false;
}
public void setC1(final EClass pC1) {
if (!isMutable()) throw new java.lang.UnsupportedOperationException();
this.fC1 = pC1;
}
public void setC2(final EClass pC2) {
if (!isMutable()) throw new java.lang.UnsupportedOperationException();
this.fC2 = pC2;
}
@Override
public String patternName() {
return "queries.superTypes";
}
@Override
public List parameterNames() {
return SuperTypes.Match.parameterNames;
}
@Override
public Object[] toArray() {
return new Object[]{fC1, fC2};
}
@Override
public SuperTypes.Match toImmutable() {
return isMutable() ? newMatch(fC1, fC2) : this;
}
@Override
public String prettyPrint() {
StringBuilder result = new StringBuilder();
result.append("\"c1\"=" + prettyPrintValue(fC1) + ", ");
result.append("\"c2\"=" + prettyPrintValue(fC2));
return result.toString();
}
@Override
public int hashCode() {
return Objects.hash(fC1, fC2);
}
@Override
public boolean equals(final Object obj) {
if (this == obj)
return true;
if (obj == null) {
return false;
}
if ((obj instanceof SuperTypes.Match)) {
SuperTypes.Match other = (SuperTypes.Match) obj;
return Objects.equals(fC1, other.fC1) && Objects.equals(fC2, other.fC2);
} 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 SuperTypes specification() {
return SuperTypes.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 SuperTypes.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 pC1 the fixed value of pattern parameter c1, or null if not bound.
* @param pC2 the fixed value of pattern parameter c2, or null if not bound.
* @return the new, mutable (partial) match object.
*
*/
public static SuperTypes.Match newMutableMatch(final EClass pC1, final EClass pC2) {
return new Mutable(pC1, pC2);
}
/**
* 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 pC1 the fixed value of pattern parameter c1, or null if not bound.
* @param pC2 the fixed value of pattern parameter c2, or null if not bound.
* @return the (partial) match object.
*
*/
public static SuperTypes.Match newMatch(final EClass pC1, final EClass pC2) {
return new Immutable(pC1, pC2);
}
private static final class Mutable extends SuperTypes.Match {
Mutable(final EClass pC1, final EClass pC2) {
super(pC1, pC2);
}
@Override
public boolean isMutable() {
return true;
}
}
private static final class Immutable extends SuperTypes.Match {
Immutable(final EClass pC1, final EClass pC2) {
super(pC1, pC2);
}
@Override
public boolean isMutable() {
return false;
}
}
}
/**
* Generated pattern matcher API of the queries.superTypes 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 superTypes(c1:EClass, c2:EClass){
* EClass.eSuperTypes(c1,c2);
* }
*
*
* @see Match
* @see SuperTypes
*
*/
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 SuperTypes.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 SuperTypes.Matcher create() {
return new Matcher();
}
private static final int POSITION_C1 = 0;
private static final int POSITION_C2 = 1;
private static final Logger LOGGER = ViatraQueryLoggingUtil.getLogger(SuperTypes.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 pC1 the fixed value of pattern parameter c1, or null if not bound.
* @param pC2 the fixed value of pattern parameter c2, or null if not bound.
* @return matches represented as a Match object.
*
*/
public Collection getAllMatches(final EClass pC1, final EClass pC2) {
return rawStreamAllMatches(new Object[]{pC1, pC2}).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 pC1 the fixed value of pattern parameter c1, or null if not bound.
* @param pC2 the fixed value of pattern parameter c2, or null if not bound.
* @return a stream of matches represented as a Match object.
*
*/
public Stream streamAllMatches(final EClass pC1, final EClass pC2) {
return rawStreamAllMatches(new Object[]{pC1, pC2});
}
/**
* 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 pC1 the fixed value of pattern parameter c1, or null if not bound.
* @param pC2 the fixed value of pattern parameter c2, or null if not bound.
* @return a match represented as a Match object, or null if no match is found.
*
*/
public Optional getOneArbitraryMatch(final EClass pC1, final EClass pC2) {
return rawGetOneArbitraryMatch(new Object[]{pC1, pC2});
}
/**
* 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 pC1 the fixed value of pattern parameter c1, or null if not bound.
* @param pC2 the fixed value of pattern parameter c2, or null if not bound.
* @return true if the input is a valid (partial) match of the pattern.
*
*/
public boolean hasMatch(final EClass pC1, final EClass pC2) {
return rawHasMatch(new Object[]{pC1, pC2});
}
/**
* Returns the number of all matches of the pattern that conform to the given fixed values of some parameters.
* @param pC1 the fixed value of pattern parameter c1, or null if not bound.
* @param pC2 the fixed value of pattern parameter c2, or null if not bound.
* @return the number of pattern matches found.
*
*/
public int countMatches(final EClass pC1, final EClass pC2) {
return rawCountMatches(new Object[]{pC1, pC2});
}
/**
* 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 pC1 the fixed value of pattern parameter c1, or null if not bound.
* @param pC2 the fixed value of pattern parameter c2, 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 EClass pC1, final EClass pC2, final Consumer super SuperTypes.Match> processor) {
return rawForOneArbitraryMatch(new Object[]{pC1, pC2}, 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 pC1 the fixed value of pattern parameter c1, or null if not bound.
* @param pC2 the fixed value of pattern parameter c2, or null if not bound.
* @return the (partial) match object.
*
*/
public SuperTypes.Match newMatch(final EClass pC1, final EClass pC2) {
return SuperTypes.Match.newMatch(pC1, pC2);
}
/**
* Retrieve the set of values that occur in matches for c1.
* @return the Set of all values or empty set if there are no matches
*
*/
protected Stream rawStreamAllValuesOfc1(final Object[] parameters) {
return rawStreamAllValues(POSITION_C1, parameters).map(EClass.class::cast);
}
/**
* Retrieve the set of values that occur in matches for c1.
* @return the Set of all values or empty set if there are no matches
*
*/
public Set getAllValuesOfc1() {
return rawStreamAllValuesOfc1(emptyArray()).collect(Collectors.toSet());
}
/**
* Retrieve the set of values that occur in matches for c1.
* @return the Set of all values or empty set if there are no matches
*
*/
public Stream streamAllValuesOfc1() {
return rawStreamAllValuesOfc1(emptyArray());
}
/**
* Retrieve the set of values that occur in matches for c1.
*
* 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 streamAllValuesOfc1(final SuperTypes.Match partialMatch) {
return rawStreamAllValuesOfc1(partialMatch.toArray());
}
/**
* Retrieve the set of values that occur in matches for c1.
*
* 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 streamAllValuesOfc1(final EClass pC2) {
return rawStreamAllValuesOfc1(new Object[]{null, pC2});
}
/**
* Retrieve the set of values that occur in matches for c1.
* @return the Set of all values or empty set if there are no matches
*
*/
public Set getAllValuesOfc1(final SuperTypes.Match partialMatch) {
return rawStreamAllValuesOfc1(partialMatch.toArray()).collect(Collectors.toSet());
}
/**
* Retrieve the set of values that occur in matches for c1.
* @return the Set of all values or empty set if there are no matches
*
*/
public Set getAllValuesOfc1(final EClass pC2) {
return rawStreamAllValuesOfc1(new Object[]{null, pC2}).collect(Collectors.toSet());
}
/**
* Retrieve the set of values that occur in matches for c2.
* @return the Set of all values or empty set if there are no matches
*
*/
protected Stream rawStreamAllValuesOfc2(final Object[] parameters) {
return rawStreamAllValues(POSITION_C2, parameters).map(EClass.class::cast);
}
/**
* Retrieve the set of values that occur in matches for c2.
* @return the Set of all values or empty set if there are no matches
*
*/
public Set getAllValuesOfc2() {
return rawStreamAllValuesOfc2(emptyArray()).collect(Collectors.toSet());
}
/**
* Retrieve the set of values that occur in matches for c2.
* @return the Set of all values or empty set if there are no matches
*
*/
public Stream streamAllValuesOfc2() {
return rawStreamAllValuesOfc2(emptyArray());
}
/**
* Retrieve the set of values that occur in matches for c2.
*
* 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 streamAllValuesOfc2(final SuperTypes.Match partialMatch) {
return rawStreamAllValuesOfc2(partialMatch.toArray());
}
/**
* Retrieve the set of values that occur in matches for c2.
*
* 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 streamAllValuesOfc2(final EClass pC1) {
return rawStreamAllValuesOfc2(new Object[]{pC1, null});
}
/**
* Retrieve the set of values that occur in matches for c2.
* @return the Set of all values or empty set if there are no matches
*
*/
public Set getAllValuesOfc2(final SuperTypes.Match partialMatch) {
return rawStreamAllValuesOfc2(partialMatch.toArray()).collect(Collectors.toSet());
}
/**
* Retrieve the set of values that occur in matches for c2.
* @return the Set of all values or empty set if there are no matches
*
*/
public Set getAllValuesOfc2(final EClass pC1) {
return rawStreamAllValuesOfc2(new Object[]{pC1, null}).collect(Collectors.toSet());
}
@Override
protected SuperTypes.Match tupleToMatch(final Tuple t) {
try {
return SuperTypes.Match.newMatch((EClass) t.get(POSITION_C1), (EClass) t.get(POSITION_C2));
} catch(ClassCastException e) {
LOGGER.error("Element(s) in tuple not properly typed!",e);
return null;
}
}
@Override
protected SuperTypes.Match arrayToMatch(final Object[] match) {
try {
return SuperTypes.Match.newMatch((EClass) match[POSITION_C1], (EClass) match[POSITION_C2]);
} catch(ClassCastException e) {
LOGGER.error("Element(s) in array not properly typed!",e);
return null;
}
}
@Override
protected SuperTypes.Match arrayToMatchMutable(final Object[] match) {
try {
return SuperTypes.Match.newMutableMatch((EClass) match[POSITION_C1], (EClass) match[POSITION_C2]);
} 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 SuperTypes.instance();
}
}
private SuperTypes() {
super(GeneratedPQuery.INSTANCE);
}
/**
* @return the singleton instance of the query specification
* @throws ViatraQueryRuntimeException if the pattern definition could not be loaded
*
*/
public static SuperTypes instance() {
try{
return LazyHolder.INSTANCE;
} catch (ExceptionInInitializerError err) {
throw processInitializerError(err);
}
}
@Override
protected SuperTypes.Matcher instantiate(final ViatraQueryEngine engine) {
return SuperTypes.Matcher.on(engine);
}
@Override
public SuperTypes.Matcher instantiate() {
return SuperTypes.Matcher.create();
}
@Override
public SuperTypes.Match newEmptyMatch() {
return SuperTypes.Match.newEmptyMatch();
}
@Override
public SuperTypes.Match newMatch(final Object... parameters) {
return SuperTypes.Match.newMatch((org.eclipse.emf.ecore.EClass) parameters[0], (org.eclipse.emf.ecore.EClass) parameters[1]);
}
/**
* Inner class allowing the singleton instance of {@link JvmGenericType: queries.SuperTypes (visibility: PUBLIC, simpleName: SuperTypes, identifier: queries.SuperTypes, deprecated: ) (abstract: false, static: false, final: true, packageName: queries) (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: queries.SuperTypes (visibility: PUBLIC, simpleName: SuperTypes, identifier: queries.SuperTypes, deprecated: ) (abstract: false, static: false, final: true, packageName: queries) (interface: false, strictFloatingPoint: false, anonymous: false)#instance()}.
*
* This workaround is required e.g. to support recursion.
*
*/
private static class LazyHolder {
private static final SuperTypes INSTANCE = new SuperTypes();
/**
* 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 SuperTypes.GeneratedPQuery INSTANCE = new GeneratedPQuery();
private final PParameter parameter_c1 = new PParameter("c1", "org.eclipse.emf.ecore.EClass", new EClassTransitiveInstancesKey((EClass)getClassifierLiteralSafe("http://www.eclipse.org/emf/2002/Ecore", "EClass")), PParameterDirection.INOUT);
private final PParameter parameter_c2 = new PParameter("c2", "org.eclipse.emf.ecore.EClass", new EClassTransitiveInstancesKey((EClass)getClassifierLiteralSafe("http://www.eclipse.org/emf/2002/Ecore", "EClass")), PParameterDirection.INOUT);
private final List parameters = Arrays.asList(parameter_c1, parameter_c2);
private GeneratedPQuery() {
super(PVisibility.PUBLIC);
}
@Override
public String getFullyQualifiedName() {
return "queries.superTypes";
}
@Override
public List getParameterNames() {
return Arrays.asList("c1","c2");
}
@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_c1 = body.getOrCreateVariableByName("c1");
PVariable var_c2 = body.getOrCreateVariableByName("c2");
new TypeConstraint(body, Tuples.flatTupleOf(var_c1), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("http://www.eclipse.org/emf/2002/Ecore", "EClass")));
new TypeConstraint(body, Tuples.flatTupleOf(var_c2), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("http://www.eclipse.org/emf/2002/Ecore", "EClass")));
body.setSymbolicParameters(Arrays.asList(
new ExportedParameter(body, var_c1, parameter_c1),
new ExportedParameter(body, var_c2, parameter_c2)
));
// EClass.eSuperTypes(c1,c2)
new TypeConstraint(body, Tuples.flatTupleOf(var_c1), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("http://www.eclipse.org/emf/2002/Ecore", "EClass")));
PVariable var__virtual_0_ = body.getOrCreateVariableByName(".virtual{0}");
new TypeConstraint(body, Tuples.flatTupleOf(var_c1, var__virtual_0_), new EStructuralFeatureInstancesKey(getFeatureLiteral("http://www.eclipse.org/emf/2002/Ecore", "EClass", "eSuperTypes")));
new TypeConstraint(body, Tuples.flatTupleOf(var__virtual_0_), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("http://www.eclipse.org/emf/2002/Ecore", "EClass")));
new Equality(body, var__virtual_0_, var_c2);
bodies.add(body);
}
return bodies;
}
}
}