/**
* Generated from platform:/resource/ca.mcgill.ecse.dslreasoner.standalone.test/queries/ca/mcgill/ecse/dslreasoner/standalone/test/yakindu/queries/yakinduPatterns.vql
*/
package ca.mcgill.ecse.dslreasoner.standalone.test.yakindu.queries;
import ca.mcgill.ecse.dslreasoner.standalone.test.yakindu.CompositeElement;
import ca.mcgill.ecse.dslreasoner.standalone.test.yakindu.Vertex;
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:
*
* ///////////////////////////////
* // Extra
* //
* //{@literal @}Constraint(severity="error", message="error", key = {s})
* //pattern SynchronizedRegionDoesNotHaveParent(s : Synchronization, v : Vertex) {
* // find transition(_, v, s);
* // neg find child(_,v);
* //} or {
* // find transition(_, s, v);
* // neg find child(_,v);
* //}
*
* pattern child(parent: CompositeElement, child: Vertex) {
* CompositeElement.regions.vertices(parent, child);
* }
*
*
* @see Matcher
* @see Match
*
*/
@SuppressWarnings("all")
public final class Child extends BaseGeneratedEMFQuerySpecification {
/**
* Pattern-specific match representation of the ca.mcgill.ecse.dslreasoner.standalone.test.yakindu.queries.child 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 CompositeElement fParent;
private Vertex fChild;
private static List parameterNames = makeImmutableList("parent", "child");
private Match(final CompositeElement pParent, final Vertex pChild) {
this.fParent = pParent;
this.fChild = pChild;
}
@Override
public Object get(final String parameterName) {
if ("parent".equals(parameterName)) return this.fParent;
if ("child".equals(parameterName)) return this.fChild;
return null;
}
public CompositeElement getParent() {
return this.fParent;
}
public Vertex getChild() {
return this.fChild;
}
@Override
public boolean set(final String parameterName, final Object newValue) {
if (!isMutable()) throw new java.lang.UnsupportedOperationException();
if ("parent".equals(parameterName) ) {
this.fParent = (CompositeElement) newValue;
return true;
}
if ("child".equals(parameterName) ) {
this.fChild = (Vertex) newValue;
return true;
}
return false;
}
public void setParent(final CompositeElement pParent) {
if (!isMutable()) throw new java.lang.UnsupportedOperationException();
this.fParent = pParent;
}
public void setChild(final Vertex pChild) {
if (!isMutable()) throw new java.lang.UnsupportedOperationException();
this.fChild = pChild;
}
@Override
public String patternName() {
return "ca.mcgill.ecse.dslreasoner.standalone.test.yakindu.queries.child";
}
@Override
public List parameterNames() {
return Child.Match.parameterNames;
}
@Override
public Object[] toArray() {
return new Object[]{fParent, fChild};
}
@Override
public Child.Match toImmutable() {
return isMutable() ? newMatch(fParent, fChild) : this;
}
@Override
public String prettyPrint() {
StringBuilder result = new StringBuilder();
result.append("\"parent\"=" + prettyPrintValue(fParent) + ", ");
result.append("\"child\"=" + prettyPrintValue(fChild));
return result.toString();
}
@Override
public int hashCode() {
return Objects.hash(fParent, fChild);
}
@Override
public boolean equals(final Object obj) {
if (this == obj)
return true;
if (obj == null) {
return false;
}
if ((obj instanceof Child.Match)) {
Child.Match other = (Child.Match) obj;
return Objects.equals(fParent, other.fParent) && Objects.equals(fChild, other.fChild);
} 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 Child specification() {
return Child.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 Child.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 pParent the fixed value of pattern parameter parent, or null if not bound.
* @param pChild the fixed value of pattern parameter child, or null if not bound.
* @return the new, mutable (partial) match object.
*
*/
public static Child.Match newMutableMatch(final CompositeElement pParent, final Vertex pChild) {
return new Mutable(pParent, pChild);
}
/**
* 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 pParent the fixed value of pattern parameter parent, or null if not bound.
* @param pChild the fixed value of pattern parameter child, or null if not bound.
* @return the (partial) match object.
*
*/
public static Child.Match newMatch(final CompositeElement pParent, final Vertex pChild) {
return new Immutable(pParent, pChild);
}
private static final class Mutable extends Child.Match {
Mutable(final CompositeElement pParent, final Vertex pChild) {
super(pParent, pChild);
}
@Override
public boolean isMutable() {
return true;
}
}
private static final class Immutable extends Child.Match {
Immutable(final CompositeElement pParent, final Vertex pChild) {
super(pParent, pChild);
}
@Override
public boolean isMutable() {
return false;
}
}
}
/**
* Generated pattern matcher API of the ca.mcgill.ecse.dslreasoner.standalone.test.yakindu.queries.child 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:
*
* ///////////////////////////////
* // Extra
* //
* //{@literal @}Constraint(severity="error", message="error", key = {s})
* //pattern SynchronizedRegionDoesNotHaveParent(s : Synchronization, v : Vertex) {
* // find transition(_, v, s);
* // neg find child(_,v);
* //} or {
* // find transition(_, s, v);
* // neg find child(_,v);
* //}
*
* pattern child(parent: CompositeElement, child: Vertex) {
* CompositeElement.regions.vertices(parent, child);
* }
*
*
* @see Match
* @see Child
*
*/
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 Child.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 Child.Matcher create() {
return new Matcher();
}
private final static int POSITION_PARENT = 0;
private final static int POSITION_CHILD = 1;
private final static Logger LOGGER = ViatraQueryLoggingUtil.getLogger(Child.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 pParent the fixed value of pattern parameter parent, or null if not bound.
* @param pChild the fixed value of pattern parameter child, or null if not bound.
* @return matches represented as a Match object.
*
*/
public Collection getAllMatches(final CompositeElement pParent, final Vertex pChild) {
return rawStreamAllMatches(new Object[]{pParent, pChild}).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 pParent the fixed value of pattern parameter parent, or null if not bound.
* @param pChild the fixed value of pattern parameter child, or null if not bound.
* @return a stream of matches represented as a Match object.
*
*/
public Stream streamAllMatches(final CompositeElement pParent, final Vertex pChild) {
return rawStreamAllMatches(new Object[]{pParent, pChild});
}
/**
* 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 pParent the fixed value of pattern parameter parent, or null if not bound.
* @param pChild the fixed value of pattern parameter child, or null if not bound.
* @return a match represented as a Match object, or null if no match is found.
*
*/
public Optional getOneArbitraryMatch(final CompositeElement pParent, final Vertex pChild) {
return rawGetOneArbitraryMatch(new Object[]{pParent, pChild});
}
/**
* 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 pParent the fixed value of pattern parameter parent, or null if not bound.
* @param pChild the fixed value of pattern parameter child, or null if not bound.
* @return true if the input is a valid (partial) match of the pattern.
*
*/
public boolean hasMatch(final CompositeElement pParent, final Vertex pChild) {
return rawHasMatch(new Object[]{pParent, pChild});
}
/**
* Returns the number of all matches of the pattern that conform to the given fixed values of some parameters.
* @param pParent the fixed value of pattern parameter parent, or null if not bound.
* @param pChild the fixed value of pattern parameter child, or null if not bound.
* @return the number of pattern matches found.
*
*/
public int countMatches(final CompositeElement pParent, final Vertex pChild) {
return rawCountMatches(new Object[]{pParent, pChild});
}
/**
* 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 pParent the fixed value of pattern parameter parent, or null if not bound.
* @param pChild the fixed value of pattern parameter child, 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 CompositeElement pParent, final Vertex pChild, final Consumer super Child.Match> processor) {
return rawForOneArbitraryMatch(new Object[]{pParent, pChild}, 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 pParent the fixed value of pattern parameter parent, or null if not bound.
* @param pChild the fixed value of pattern parameter child, or null if not bound.
* @return the (partial) match object.
*
*/
public Child.Match newMatch(final CompositeElement pParent, final Vertex pChild) {
return Child.Match.newMatch(pParent, pChild);
}
/**
* Retrieve the set of values that occur in matches for parent.
* @return the Set of all values or empty set if there are no matches
*
*/
protected Stream rawStreamAllValuesOfparent(final Object[] parameters) {
return rawStreamAllValues(POSITION_PARENT, parameters).map(CompositeElement.class::cast);
}
/**
* Retrieve the set of values that occur in matches for parent.
* @return the Set of all values or empty set if there are no matches
*
*/
public Set getAllValuesOfparent() {
return rawStreamAllValuesOfparent(emptyArray()).collect(Collectors.toSet());
}
/**
* Retrieve the set of values that occur in matches for parent.
* @return the Set of all values or empty set if there are no matches
*
*/
public Stream streamAllValuesOfparent() {
return rawStreamAllValuesOfparent(emptyArray());
}
/**
* Retrieve the set of values that occur in matches for parent.
*
* 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 streamAllValuesOfparent(final Child.Match partialMatch) {
return rawStreamAllValuesOfparent(partialMatch.toArray());
}
/**
* Retrieve the set of values that occur in matches for parent.
*
* 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 streamAllValuesOfparent(final Vertex pChild) {
return rawStreamAllValuesOfparent(new Object[]{null, pChild});
}
/**
* Retrieve the set of values that occur in matches for parent.
* @return the Set of all values or empty set if there are no matches
*
*/
public Set getAllValuesOfparent(final Child.Match partialMatch) {
return rawStreamAllValuesOfparent(partialMatch.toArray()).collect(Collectors.toSet());
}
/**
* Retrieve the set of values that occur in matches for parent.
* @return the Set of all values or empty set if there are no matches
*
*/
public Set getAllValuesOfparent(final Vertex pChild) {
return rawStreamAllValuesOfparent(new Object[]{null, pChild}).collect(Collectors.toSet());
}
/**
* Retrieve the set of values that occur in matches for child.
* @return the Set of all values or empty set if there are no matches
*
*/
protected Stream rawStreamAllValuesOfchild(final Object[] parameters) {
return rawStreamAllValues(POSITION_CHILD, parameters).map(Vertex.class::cast);
}
/**
* Retrieve the set of values that occur in matches for child.
* @return the Set of all values or empty set if there are no matches
*
*/
public Set getAllValuesOfchild() {
return rawStreamAllValuesOfchild(emptyArray()).collect(Collectors.toSet());
}
/**
* Retrieve the set of values that occur in matches for child.
* @return the Set of all values or empty set if there are no matches
*
*/
public Stream streamAllValuesOfchild() {
return rawStreamAllValuesOfchild(emptyArray());
}
/**
* Retrieve the set of values that occur in matches for child.
*
* 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 streamAllValuesOfchild(final Child.Match partialMatch) {
return rawStreamAllValuesOfchild(partialMatch.toArray());
}
/**
* Retrieve the set of values that occur in matches for child.
*
* 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 streamAllValuesOfchild(final CompositeElement pParent) {
return rawStreamAllValuesOfchild(new Object[]{pParent, null});
}
/**
* Retrieve the set of values that occur in matches for child.
* @return the Set of all values or empty set if there are no matches
*
*/
public Set getAllValuesOfchild(final Child.Match partialMatch) {
return rawStreamAllValuesOfchild(partialMatch.toArray()).collect(Collectors.toSet());
}
/**
* Retrieve the set of values that occur in matches for child.
* @return the Set of all values or empty set if there are no matches
*
*/
public Set getAllValuesOfchild(final CompositeElement pParent) {
return rawStreamAllValuesOfchild(new Object[]{pParent, null}).collect(Collectors.toSet());
}
@Override
protected Child.Match tupleToMatch(final Tuple t) {
try {
return Child.Match.newMatch((CompositeElement) t.get(POSITION_PARENT), (Vertex) t.get(POSITION_CHILD));
} catch(ClassCastException e) {
LOGGER.error("Element(s) in tuple not properly typed!",e);
return null;
}
}
@Override
protected Child.Match arrayToMatch(final Object[] match) {
try {
return Child.Match.newMatch((CompositeElement) match[POSITION_PARENT], (Vertex) match[POSITION_CHILD]);
} catch(ClassCastException e) {
LOGGER.error("Element(s) in array not properly typed!",e);
return null;
}
}
@Override
protected Child.Match arrayToMatchMutable(final Object[] match) {
try {
return Child.Match.newMutableMatch((CompositeElement) match[POSITION_PARENT], (Vertex) match[POSITION_CHILD]);
} 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 Child.instance();
}
}
private Child() {
super(GeneratedPQuery.INSTANCE);
}
/**
* @return the singleton instance of the query specification
* @throws ViatraQueryRuntimeException if the pattern definition could not be loaded
*
*/
public static Child instance() {
try{
return LazyHolder.INSTANCE;
} catch (ExceptionInInitializerError err) {
throw processInitializerError(err);
}
}
@Override
protected Child.Matcher instantiate(final ViatraQueryEngine engine) {
return Child.Matcher.on(engine);
}
@Override
public Child.Matcher instantiate() {
return Child.Matcher.create();
}
@Override
public Child.Match newEmptyMatch() {
return Child.Match.newEmptyMatch();
}
@Override
public Child.Match newMatch(final Object... parameters) {
return Child.Match.newMatch((ca.mcgill.ecse.dslreasoner.standalone.test.yakindu.CompositeElement) parameters[0], (ca.mcgill.ecse.dslreasoner.standalone.test.yakindu.Vertex) parameters[1]);
}
/**
* Inner class allowing the singleton instance of {@link JvmGenericType: ca.mcgill.ecse.dslreasoner.standalone.test.yakindu.queries.Child (visibility: PUBLIC, simpleName: Child, identifier: ca.mcgill.ecse.dslreasoner.standalone.test.yakindu.queries.Child, deprecated: ) (abstract: false, static: false, final: true, packageName: ca.mcgill.ecse.dslreasoner.standalone.test.yakindu.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: ca.mcgill.ecse.dslreasoner.standalone.test.yakindu.queries.Child (visibility: PUBLIC, simpleName: Child, identifier: ca.mcgill.ecse.dslreasoner.standalone.test.yakindu.queries.Child, deprecated: ) (abstract: false, static: false, final: true, packageName: ca.mcgill.ecse.dslreasoner.standalone.test.yakindu.queries) (interface: false, strictFloatingPoint: false, anonymous: false)#instance()}.
*
* This workaround is required e.g. to support recursion.
*
*/
private static class LazyHolder {
private final static Child INSTANCE = new Child();
/**
* 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 final static Object STATIC_INITIALIZER = ensureInitialized();
public static Object ensureInitialized() {
INSTANCE.ensureInitializedInternal();
return null;
}
}
private static class GeneratedPQuery extends BaseGeneratedEMFPQuery {
private final static Child.GeneratedPQuery INSTANCE = new GeneratedPQuery();
private final PParameter parameter_parent = new PParameter("parent", "ca.mcgill.ecse.dslreasoner.standalone.test.yakindu.CompositeElement", new EClassTransitiveInstancesKey((EClass)getClassifierLiteralSafe("YakinduMetamodel", "CompositeElement")), PParameterDirection.INOUT);
private final PParameter parameter_child = new PParameter("child", "ca.mcgill.ecse.dslreasoner.standalone.test.yakindu.Vertex", new EClassTransitiveInstancesKey((EClass)getClassifierLiteralSafe("YakinduMetamodel", "Vertex")), PParameterDirection.INOUT);
private final List parameters = Arrays.asList(parameter_parent, parameter_child);
private GeneratedPQuery() {
super(PVisibility.PUBLIC);
}
@Override
public String getFullyQualifiedName() {
return "ca.mcgill.ecse.dslreasoner.standalone.test.yakindu.queries.child";
}
@Override
public List getParameterNames() {
return Arrays.asList("parent","child");
}
@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_parent = body.getOrCreateVariableByName("parent");
PVariable var_child = body.getOrCreateVariableByName("child");
new TypeConstraint(body, Tuples.flatTupleOf(var_parent), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("YakinduMetamodel", "CompositeElement")));
new TypeConstraint(body, Tuples.flatTupleOf(var_child), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("YakinduMetamodel", "Vertex")));
body.setSymbolicParameters(Arrays.asList(
new ExportedParameter(body, var_parent, parameter_parent),
new ExportedParameter(body, var_child, parameter_child)
));
// CompositeElement.regions.vertices(parent, child)
new TypeConstraint(body, Tuples.flatTupleOf(var_parent), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("YakinduMetamodel", "CompositeElement")));
PVariable var__virtual_0_ = body.getOrCreateVariableByName(".virtual{0}");
new TypeConstraint(body, Tuples.flatTupleOf(var_parent, var__virtual_0_), new EStructuralFeatureInstancesKey(getFeatureLiteral("YakinduMetamodel", "CompositeElement", "regions")));
new TypeConstraint(body, Tuples.flatTupleOf(var__virtual_0_), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("YakinduMetamodel", "Region")));
PVariable var__virtual_1_ = body.getOrCreateVariableByName(".virtual{1}");
new TypeConstraint(body, Tuples.flatTupleOf(var__virtual_0_, var__virtual_1_), new EStructuralFeatureInstancesKey(getFeatureLiteral("YakinduMetamodel", "Region", "vertices")));
new TypeConstraint(body, Tuples.flatTupleOf(var__virtual_1_), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("YakinduMetamodel", "Vertex")));
new Equality(body, var__virtual_1_, var_child);
bodies.add(body);
}
return bodies;
}
}
}