/**
* Generated from platform:/resource/case.study.pledge.run/src/queries/familyTreeConstraints.vql
*/
package queries;
import familytree.Member;
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.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.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;
import queries.MemberHasParent;
/**
* A pattern-specific query specification that can instantiate Matcher in a type-safe way.
*
*
Original source:
*
* {@literal @}Constraint(message="twoMembersHaveNoParent", severity="error", key={m1, m2})
* pattern twoMembersHaveNoParent(m1:Member, m2:Member) = {
* neg find memberHasParent(m1);
* neg find memberHasParent(m2);
* m1 != m2;
* }
*
*
* @see Matcher
* @see Match
*
*/
@SuppressWarnings("all")
public final class TwoMembersHaveNoParent extends BaseGeneratedEMFQuerySpecification {
/**
* Pattern-specific match representation of the queries.twoMembersHaveNoParent 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 Member fM1;
private Member fM2;
private static List parameterNames = makeImmutableList("m1", "m2");
private Match(final Member pM1, final Member pM2) {
this.fM1 = pM1;
this.fM2 = pM2;
}
@Override
public Object get(final String parameterName) {
switch(parameterName) {
case "m1": return this.fM1;
case "m2": return this.fM2;
default: return null;
}
}
@Override
public Object get(final int index) {
switch(index) {
case 0: return this.fM1;
case 1: return this.fM2;
default: return null;
}
}
public Member getM1() {
return this.fM1;
}
public Member getM2() {
return this.fM2;
}
@Override
public boolean set(final String parameterName, final Object newValue) {
if (!isMutable()) throw new java.lang.UnsupportedOperationException();
if ("m1".equals(parameterName) ) {
this.fM1 = (Member) newValue;
return true;
}
if ("m2".equals(parameterName) ) {
this.fM2 = (Member) newValue;
return true;
}
return false;
}
public void setM1(final Member pM1) {
if (!isMutable()) throw new java.lang.UnsupportedOperationException();
this.fM1 = pM1;
}
public void setM2(final Member pM2) {
if (!isMutable()) throw new java.lang.UnsupportedOperationException();
this.fM2 = pM2;
}
@Override
public String patternName() {
return "queries.twoMembersHaveNoParent";
}
@Override
public List parameterNames() {
return TwoMembersHaveNoParent.Match.parameterNames;
}
@Override
public Object[] toArray() {
return new Object[]{fM1, fM2};
}
@Override
public TwoMembersHaveNoParent.Match toImmutable() {
return isMutable() ? newMatch(fM1, fM2) : this;
}
@Override
public String prettyPrint() {
StringBuilder result = new StringBuilder();
result.append("\"m1\"=" + prettyPrintValue(fM1) + ", ");
result.append("\"m2\"=" + prettyPrintValue(fM2));
return result.toString();
}
@Override
public int hashCode() {
return Objects.hash(fM1, fM2);
}
@Override
public boolean equals(final Object obj) {
if (this == obj)
return true;
if (obj == null) {
return false;
}
if ((obj instanceof TwoMembersHaveNoParent.Match)) {
TwoMembersHaveNoParent.Match other = (TwoMembersHaveNoParent.Match) obj;
return Objects.equals(fM1, other.fM1) && Objects.equals(fM2, other.fM2);
} 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 TwoMembersHaveNoParent specification() {
return TwoMembersHaveNoParent.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 TwoMembersHaveNoParent.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 pM1 the fixed value of pattern parameter m1, or null if not bound.
* @param pM2 the fixed value of pattern parameter m2, or null if not bound.
* @return the new, mutable (partial) match object.
*
*/
public static TwoMembersHaveNoParent.Match newMutableMatch(final Member pM1, final Member pM2) {
return new Mutable(pM1, pM2);
}
/**
* 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 pM1 the fixed value of pattern parameter m1, or null if not bound.
* @param pM2 the fixed value of pattern parameter m2, or null if not bound.
* @return the (partial) match object.
*
*/
public static TwoMembersHaveNoParent.Match newMatch(final Member pM1, final Member pM2) {
return new Immutable(pM1, pM2);
}
private static final class Mutable extends TwoMembersHaveNoParent.Match {
Mutable(final Member pM1, final Member pM2) {
super(pM1, pM2);
}
@Override
public boolean isMutable() {
return true;
}
}
private static final class Immutable extends TwoMembersHaveNoParent.Match {
Immutable(final Member pM1, final Member pM2) {
super(pM1, pM2);
}
@Override
public boolean isMutable() {
return false;
}
}
}
/**
* Generated pattern matcher API of the queries.twoMembersHaveNoParent 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="twoMembersHaveNoParent", severity="error", key={m1, m2})
* pattern twoMembersHaveNoParent(m1:Member, m2:Member) = {
* neg find memberHasParent(m1);
* neg find memberHasParent(m2);
* m1 != m2;
* }
*
*
* @see Match
* @see TwoMembersHaveNoParent
*
*/
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 TwoMembersHaveNoParent.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 TwoMembersHaveNoParent.Matcher create() {
return new Matcher();
}
private static final int POSITION_M1 = 0;
private static final int POSITION_M2 = 1;
private static final Logger LOGGER = ViatraQueryLoggingUtil.getLogger(TwoMembersHaveNoParent.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 pM1 the fixed value of pattern parameter m1, or null if not bound.
* @param pM2 the fixed value of pattern parameter m2, or null if not bound.
* @return matches represented as a Match object.
*
*/
public Collection getAllMatches(final Member pM1, final Member pM2) {
return rawStreamAllMatches(new Object[]{pM1, pM2}).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 pM1 the fixed value of pattern parameter m1, or null if not bound.
* @param pM2 the fixed value of pattern parameter m2, or null if not bound.
* @return a stream of matches represented as a Match object.
*
*/
public Stream streamAllMatches(final Member pM1, final Member pM2) {
return rawStreamAllMatches(new Object[]{pM1, pM2});
}
/**
* 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 pM1 the fixed value of pattern parameter m1, or null if not bound.
* @param pM2 the fixed value of pattern parameter m2, or null if not bound.
* @return a match represented as a Match object, or null if no match is found.
*
*/
public Optional getOneArbitraryMatch(final Member pM1, final Member pM2) {
return rawGetOneArbitraryMatch(new Object[]{pM1, pM2});
}
/**
* 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 pM1 the fixed value of pattern parameter m1, or null if not bound.
* @param pM2 the fixed value of pattern parameter m2, or null if not bound.
* @return true if the input is a valid (partial) match of the pattern.
*
*/
public boolean hasMatch(final Member pM1, final Member pM2) {
return rawHasMatch(new Object[]{pM1, pM2});
}
/**
* Returns the number of all matches of the pattern that conform to the given fixed values of some parameters.
* @param pM1 the fixed value of pattern parameter m1, or null if not bound.
* @param pM2 the fixed value of pattern parameter m2, or null if not bound.
* @return the number of pattern matches found.
*
*/
public int countMatches(final Member pM1, final Member pM2) {
return rawCountMatches(new Object[]{pM1, pM2});
}
/**
* 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 pM1 the fixed value of pattern parameter m1, or null if not bound.
* @param pM2 the fixed value of pattern parameter m2, 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 Member pM1, final Member pM2, final Consumer super TwoMembersHaveNoParent.Match> processor) {
return rawForOneArbitraryMatch(new Object[]{pM1, pM2}, 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 pM1 the fixed value of pattern parameter m1, or null if not bound.
* @param pM2 the fixed value of pattern parameter m2, or null if not bound.
* @return the (partial) match object.
*
*/
public TwoMembersHaveNoParent.Match newMatch(final Member pM1, final Member pM2) {
return TwoMembersHaveNoParent.Match.newMatch(pM1, pM2);
}
/**
* Retrieve the set of values that occur in matches for m1.
* @return the Set of all values or empty set if there are no matches
*
*/
protected Stream rawStreamAllValuesOfm1(final Object[] parameters) {
return rawStreamAllValues(POSITION_M1, parameters).map(Member.class::cast);
}
/**
* Retrieve the set of values that occur in matches for m1.
* @return the Set of all values or empty set if there are no matches
*
*/
public Set getAllValuesOfm1() {
return rawStreamAllValuesOfm1(emptyArray()).collect(Collectors.toSet());
}
/**
* Retrieve the set of values that occur in matches for m1.
* @return the Set of all values or empty set if there are no matches
*
*/
public Stream streamAllValuesOfm1() {
return rawStreamAllValuesOfm1(emptyArray());
}
/**
* Retrieve the set of values that occur in matches for m1.
*
* 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 streamAllValuesOfm1(final TwoMembersHaveNoParent.Match partialMatch) {
return rawStreamAllValuesOfm1(partialMatch.toArray());
}
/**
* Retrieve the set of values that occur in matches for m1.
*
* 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 streamAllValuesOfm1(final Member pM2) {
return rawStreamAllValuesOfm1(new Object[]{null, pM2});
}
/**
* Retrieve the set of values that occur in matches for m1.
* @return the Set of all values or empty set if there are no matches
*
*/
public Set getAllValuesOfm1(final TwoMembersHaveNoParent.Match partialMatch) {
return rawStreamAllValuesOfm1(partialMatch.toArray()).collect(Collectors.toSet());
}
/**
* Retrieve the set of values that occur in matches for m1.
* @return the Set of all values or empty set if there are no matches
*
*/
public Set getAllValuesOfm1(final Member pM2) {
return rawStreamAllValuesOfm1(new Object[]{null, pM2}).collect(Collectors.toSet());
}
/**
* Retrieve the set of values that occur in matches for m2.
* @return the Set of all values or empty set if there are no matches
*
*/
protected Stream rawStreamAllValuesOfm2(final Object[] parameters) {
return rawStreamAllValues(POSITION_M2, parameters).map(Member.class::cast);
}
/**
* Retrieve the set of values that occur in matches for m2.
* @return the Set of all values or empty set if there are no matches
*
*/
public Set getAllValuesOfm2() {
return rawStreamAllValuesOfm2(emptyArray()).collect(Collectors.toSet());
}
/**
* Retrieve the set of values that occur in matches for m2.
* @return the Set of all values or empty set if there are no matches
*
*/
public Stream streamAllValuesOfm2() {
return rawStreamAllValuesOfm2(emptyArray());
}
/**
* Retrieve the set of values that occur in matches for m2.
*
* 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 streamAllValuesOfm2(final TwoMembersHaveNoParent.Match partialMatch) {
return rawStreamAllValuesOfm2(partialMatch.toArray());
}
/**
* Retrieve the set of values that occur in matches for m2.
*
* 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 streamAllValuesOfm2(final Member pM1) {
return rawStreamAllValuesOfm2(new Object[]{pM1, null});
}
/**
* Retrieve the set of values that occur in matches for m2.
* @return the Set of all values or empty set if there are no matches
*
*/
public Set getAllValuesOfm2(final TwoMembersHaveNoParent.Match partialMatch) {
return rawStreamAllValuesOfm2(partialMatch.toArray()).collect(Collectors.toSet());
}
/**
* Retrieve the set of values that occur in matches for m2.
* @return the Set of all values or empty set if there are no matches
*
*/
public Set getAllValuesOfm2(final Member pM1) {
return rawStreamAllValuesOfm2(new Object[]{pM1, null}).collect(Collectors.toSet());
}
@Override
protected TwoMembersHaveNoParent.Match tupleToMatch(final Tuple t) {
try {
return TwoMembersHaveNoParent.Match.newMatch((Member) t.get(POSITION_M1), (Member) t.get(POSITION_M2));
} catch(ClassCastException e) {
LOGGER.error("Element(s) in tuple not properly typed!",e);
return null;
}
}
@Override
protected TwoMembersHaveNoParent.Match arrayToMatch(final Object[] match) {
try {
return TwoMembersHaveNoParent.Match.newMatch((Member) match[POSITION_M1], (Member) match[POSITION_M2]);
} catch(ClassCastException e) {
LOGGER.error("Element(s) in array not properly typed!",e);
return null;
}
}
@Override
protected TwoMembersHaveNoParent.Match arrayToMatchMutable(final Object[] match) {
try {
return TwoMembersHaveNoParent.Match.newMutableMatch((Member) match[POSITION_M1], (Member) match[POSITION_M2]);
} 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 TwoMembersHaveNoParent.instance();
}
}
private TwoMembersHaveNoParent() {
super(GeneratedPQuery.INSTANCE);
}
/**
* @return the singleton instance of the query specification
* @throws ViatraQueryRuntimeException if the pattern definition could not be loaded
*
*/
public static TwoMembersHaveNoParent instance() {
try{
return LazyHolder.INSTANCE;
} catch (ExceptionInInitializerError err) {
throw processInitializerError(err);
}
}
@Override
protected TwoMembersHaveNoParent.Matcher instantiate(final ViatraQueryEngine engine) {
return TwoMembersHaveNoParent.Matcher.on(engine);
}
@Override
public TwoMembersHaveNoParent.Matcher instantiate() {
return TwoMembersHaveNoParent.Matcher.create();
}
@Override
public TwoMembersHaveNoParent.Match newEmptyMatch() {
return TwoMembersHaveNoParent.Match.newEmptyMatch();
}
@Override
public TwoMembersHaveNoParent.Match newMatch(final Object... parameters) {
return TwoMembersHaveNoParent.Match.newMatch((familytree.Member) parameters[0], (familytree.Member) parameters[1]);
}
/**
* Inner class allowing the singleton instance of {@link TwoMembersHaveNoParent} to be created
* not at the class load time of the outer class,
* but rather at the first call to {@link TwoMembersHaveNoParent#instance()}.
*
* This workaround is required e.g. to support recursion.
*
*/
private static class LazyHolder {
private static final TwoMembersHaveNoParent INSTANCE = new TwoMembersHaveNoParent();
/**
* 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 TwoMembersHaveNoParent.GeneratedPQuery INSTANCE = new GeneratedPQuery();
private final PParameter parameter_m1 = new PParameter("m1", "familytree.Member", new EClassTransitiveInstancesKey((EClass)getClassifierLiteralSafe("http://www.example.org/familytree", "Member")), PParameterDirection.INOUT);
private final PParameter parameter_m2 = new PParameter("m2", "familytree.Member", new EClassTransitiveInstancesKey((EClass)getClassifierLiteralSafe("http://www.example.org/familytree", "Member")), PParameterDirection.INOUT);
private final List parameters = Arrays.asList(parameter_m1, parameter_m2);
private GeneratedPQuery() {
super(PVisibility.PUBLIC);
}
@Override
public String getFullyQualifiedName() {
return "queries.twoMembersHaveNoParent";
}
@Override
public List getParameterNames() {
return Arrays.asList("m1","m2");
}
@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_m1 = body.getOrCreateVariableByName("m1");
PVariable var_m2 = body.getOrCreateVariableByName("m2");
new TypeConstraint(body, Tuples.flatTupleOf(var_m1), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("http://www.example.org/familytree", "Member")));
new TypeConstraint(body, Tuples.flatTupleOf(var_m2), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("http://www.example.org/familytree", "Member")));
body.setSymbolicParameters(Arrays.asList(
new ExportedParameter(body, var_m1, parameter_m1),
new ExportedParameter(body, var_m2, parameter_m2)
));
// neg find memberHasParent(m1)
new NegativePatternCall(body, Tuples.flatTupleOf(var_m1), MemberHasParent.instance().getInternalQueryRepresentation());
// neg find memberHasParent(m2)
new NegativePatternCall(body, Tuples.flatTupleOf(var_m2), MemberHasParent.instance().getInternalQueryRepresentation());
// m1 != m2
new Inequality(body, var_m1, var_m2);
bodies.add(body);
}
{
PAnnotation annotation = new PAnnotation("Constraint");
annotation.addAttribute("message", "twoMembersHaveNoParent");
annotation.addAttribute("severity", "error");
annotation.addAttribute("key", Arrays.asList(new Object[] {
new ParameterReference("m1"),
new ParameterReference("m2")
}));
addAnnotation(annotation);
}
return bodies;
}
}
}