/**
* Generated from platform:/resource/github-graph/queries/queries/github.vql
*/
package queries;
import github.IssueEvent;
import github.User;
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 eventUser(e: IssueEvent, u:User){
* IssueEvent.user(e, u);
* }
*
*
* @see Matcher
* @see Match
*
*/
@SuppressWarnings("all")
public final class EventUser extends BaseGeneratedEMFQuerySpecification {
/**
* Pattern-specific match representation of the queries.eventUser 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 IssueEvent fE;
private User fU;
private static List parameterNames = makeImmutableList("e", "u");
private Match(final IssueEvent pE, final User pU) {
this.fE = pE;
this.fU = pU;
}
@Override
public Object get(final String parameterName) {
switch(parameterName) {
case "e": return this.fE;
case "u": return this.fU;
default: return null;
}
}
@Override
public Object get(final int index) {
switch(index) {
case 0: return this.fE;
case 1: return this.fU;
default: return null;
}
}
public IssueEvent getE() {
return this.fE;
}
public User getU() {
return this.fU;
}
@Override
public boolean set(final String parameterName, final Object newValue) {
if (!isMutable()) throw new java.lang.UnsupportedOperationException();
if ("e".equals(parameterName) ) {
this.fE = (IssueEvent) newValue;
return true;
}
if ("u".equals(parameterName) ) {
this.fU = (User) newValue;
return true;
}
return false;
}
public void setE(final IssueEvent pE) {
if (!isMutable()) throw new java.lang.UnsupportedOperationException();
this.fE = pE;
}
public void setU(final User pU) {
if (!isMutable()) throw new java.lang.UnsupportedOperationException();
this.fU = pU;
}
@Override
public String patternName() {
return "queries.eventUser";
}
@Override
public List parameterNames() {
return EventUser.Match.parameterNames;
}
@Override
public Object[] toArray() {
return new Object[]{fE, fU};
}
@Override
public EventUser.Match toImmutable() {
return isMutable() ? newMatch(fE, fU) : this;
}
@Override
public String prettyPrint() {
StringBuilder result = new StringBuilder();
result.append("\"e\"=" + prettyPrintValue(fE) + ", ");
result.append("\"u\"=" + prettyPrintValue(fU));
return result.toString();
}
@Override
public int hashCode() {
return Objects.hash(fE, fU);
}
@Override
public boolean equals(final Object obj) {
if (this == obj)
return true;
if (obj == null) {
return false;
}
if ((obj instanceof EventUser.Match)) {
EventUser.Match other = (EventUser.Match) obj;
return Objects.equals(fE, other.fE) && Objects.equals(fU, other.fU);
} 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 EventUser specification() {
return EventUser.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 EventUser.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 pE the fixed value of pattern parameter e, or null if not bound.
* @param pU the fixed value of pattern parameter u, or null if not bound.
* @return the new, mutable (partial) match object.
*
*/
public static EventUser.Match newMutableMatch(final IssueEvent pE, final User pU) {
return new Mutable(pE, pU);
}
/**
* 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 pE the fixed value of pattern parameter e, or null if not bound.
* @param pU the fixed value of pattern parameter u, or null if not bound.
* @return the (partial) match object.
*
*/
public static EventUser.Match newMatch(final IssueEvent pE, final User pU) {
return new Immutable(pE, pU);
}
private static final class Mutable extends EventUser.Match {
Mutable(final IssueEvent pE, final User pU) {
super(pE, pU);
}
@Override
public boolean isMutable() {
return true;
}
}
private static final class Immutable extends EventUser.Match {
Immutable(final IssueEvent pE, final User pU) {
super(pE, pU);
}
@Override
public boolean isMutable() {
return false;
}
}
}
/**
* Generated pattern matcher API of the queries.eventUser 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 eventUser(e: IssueEvent, u:User){
* IssueEvent.user(e, u);
* }
*
*
* @see Match
* @see EventUser
*
*/
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 EventUser.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 EventUser.Matcher create() {
return new Matcher();
}
private static final int POSITION_E = 0;
private static final int POSITION_U = 1;
private static final Logger LOGGER = ViatraQueryLoggingUtil.getLogger(EventUser.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 pE the fixed value of pattern parameter e, or null if not bound.
* @param pU the fixed value of pattern parameter u, or null if not bound.
* @return matches represented as a Match object.
*
*/
public Collection getAllMatches(final IssueEvent pE, final User pU) {
return rawStreamAllMatches(new Object[]{pE, pU}).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 pE the fixed value of pattern parameter e, or null if not bound.
* @param pU the fixed value of pattern parameter u, or null if not bound.
* @return a stream of matches represented as a Match object.
*
*/
public Stream streamAllMatches(final IssueEvent pE, final User pU) {
return rawStreamAllMatches(new Object[]{pE, pU});
}
/**
* 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 pE the fixed value of pattern parameter e, or null if not bound.
* @param pU the fixed value of pattern parameter u, or null if not bound.
* @return a match represented as a Match object, or null if no match is found.
*
*/
public Optional getOneArbitraryMatch(final IssueEvent pE, final User pU) {
return rawGetOneArbitraryMatch(new Object[]{pE, pU});
}
/**
* 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 pE the fixed value of pattern parameter e, or null if not bound.
* @param pU the fixed value of pattern parameter u, or null if not bound.
* @return true if the input is a valid (partial) match of the pattern.
*
*/
public boolean hasMatch(final IssueEvent pE, final User pU) {
return rawHasMatch(new Object[]{pE, pU});
}
/**
* Returns the number of all matches of the pattern that conform to the given fixed values of some parameters.
* @param pE the fixed value of pattern parameter e, or null if not bound.
* @param pU the fixed value of pattern parameter u, or null if not bound.
* @return the number of pattern matches found.
*
*/
public int countMatches(final IssueEvent pE, final User pU) {
return rawCountMatches(new Object[]{pE, pU});
}
/**
* 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 pE the fixed value of pattern parameter e, or null if not bound.
* @param pU the fixed value of pattern parameter u, 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 IssueEvent pE, final User pU, final Consumer super EventUser.Match> processor) {
return rawForOneArbitraryMatch(new Object[]{pE, pU}, 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 pE the fixed value of pattern parameter e, or null if not bound.
* @param pU the fixed value of pattern parameter u, or null if not bound.
* @return the (partial) match object.
*
*/
public EventUser.Match newMatch(final IssueEvent pE, final User pU) {
return EventUser.Match.newMatch(pE, pU);
}
/**
* Retrieve the set of values that occur in matches for e.
* @return the Set of all values or empty set if there are no matches
*
*/
protected Stream rawStreamAllValuesOfe(final Object[] parameters) {
return rawStreamAllValues(POSITION_E, parameters).map(IssueEvent.class::cast);
}
/**
* Retrieve the set of values that occur in matches for e.
* @return the Set of all values or empty set if there are no matches
*
*/
public Set getAllValuesOfe() {
return rawStreamAllValuesOfe(emptyArray()).collect(Collectors.toSet());
}
/**
* Retrieve the set of values that occur in matches for e.
* @return the Set of all values or empty set if there are no matches
*
*/
public Stream streamAllValuesOfe() {
return rawStreamAllValuesOfe(emptyArray());
}
/**
* Retrieve the set of values that occur in matches for e.
*
* 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 streamAllValuesOfe(final EventUser.Match partialMatch) {
return rawStreamAllValuesOfe(partialMatch.toArray());
}
/**
* Retrieve the set of values that occur in matches for e.
*
* 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 streamAllValuesOfe(final User pU) {
return rawStreamAllValuesOfe(new Object[]{null, pU});
}
/**
* Retrieve the set of values that occur in matches for e.
* @return the Set of all values or empty set if there are no matches
*
*/
public Set getAllValuesOfe(final EventUser.Match partialMatch) {
return rawStreamAllValuesOfe(partialMatch.toArray()).collect(Collectors.toSet());
}
/**
* Retrieve the set of values that occur in matches for e.
* @return the Set of all values or empty set if there are no matches
*
*/
public Set getAllValuesOfe(final User pU) {
return rawStreamAllValuesOfe(new Object[]{null, pU}).collect(Collectors.toSet());
}
/**
* Retrieve the set of values that occur in matches for u.
* @return the Set of all values or empty set if there are no matches
*
*/
protected Stream rawStreamAllValuesOfu(final Object[] parameters) {
return rawStreamAllValues(POSITION_U, parameters).map(User.class::cast);
}
/**
* Retrieve the set of values that occur in matches for u.
* @return the Set of all values or empty set if there are no matches
*
*/
public Set getAllValuesOfu() {
return rawStreamAllValuesOfu(emptyArray()).collect(Collectors.toSet());
}
/**
* Retrieve the set of values that occur in matches for u.
* @return the Set of all values or empty set if there are no matches
*
*/
public Stream streamAllValuesOfu() {
return rawStreamAllValuesOfu(emptyArray());
}
/**
* Retrieve the set of values that occur in matches for u.
*
* 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 streamAllValuesOfu(final EventUser.Match partialMatch) {
return rawStreamAllValuesOfu(partialMatch.toArray());
}
/**
* Retrieve the set of values that occur in matches for u.
*
* 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 streamAllValuesOfu(final IssueEvent pE) {
return rawStreamAllValuesOfu(new Object[]{pE, null});
}
/**
* Retrieve the set of values that occur in matches for u.
* @return the Set of all values or empty set if there are no matches
*
*/
public Set getAllValuesOfu(final EventUser.Match partialMatch) {
return rawStreamAllValuesOfu(partialMatch.toArray()).collect(Collectors.toSet());
}
/**
* Retrieve the set of values that occur in matches for u.
* @return the Set of all values or empty set if there are no matches
*
*/
public Set getAllValuesOfu(final IssueEvent pE) {
return rawStreamAllValuesOfu(new Object[]{pE, null}).collect(Collectors.toSet());
}
@Override
protected EventUser.Match tupleToMatch(final Tuple t) {
try {
return EventUser.Match.newMatch((IssueEvent) t.get(POSITION_E), (User) t.get(POSITION_U));
} catch(ClassCastException e) {
LOGGER.error("Element(s) in tuple not properly typed!",e);
return null;
}
}
@Override
protected EventUser.Match arrayToMatch(final Object[] match) {
try {
return EventUser.Match.newMatch((IssueEvent) match[POSITION_E], (User) match[POSITION_U]);
} catch(ClassCastException e) {
LOGGER.error("Element(s) in array not properly typed!",e);
return null;
}
}
@Override
protected EventUser.Match arrayToMatchMutable(final Object[] match) {
try {
return EventUser.Match.newMutableMatch((IssueEvent) match[POSITION_E], (User) match[POSITION_U]);
} 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 EventUser.instance();
}
}
private EventUser() {
super(GeneratedPQuery.INSTANCE);
}
/**
* @return the singleton instance of the query specification
* @throws ViatraQueryRuntimeException if the pattern definition could not be loaded
*
*/
public static EventUser instance() {
try{
return LazyHolder.INSTANCE;
} catch (ExceptionInInitializerError err) {
throw processInitializerError(err);
}
}
@Override
protected EventUser.Matcher instantiate(final ViatraQueryEngine engine) {
return EventUser.Matcher.on(engine);
}
@Override
public EventUser.Matcher instantiate() {
return EventUser.Matcher.create();
}
@Override
public EventUser.Match newEmptyMatch() {
return EventUser.Match.newEmptyMatch();
}
@Override
public EventUser.Match newMatch(final Object... parameters) {
return EventUser.Match.newMatch((github.IssueEvent) parameters[0], (github.User) parameters[1]);
}
/**
* Inner class allowing the singleton instance of {@link EventUser} to be created
* not at the class load time of the outer class,
* but rather at the first call to {@link EventUser#instance()}.
*
* This workaround is required e.g. to support recursion.
*
*/
private static class LazyHolder {
private static final EventUser INSTANCE = new EventUser();
/**
* 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 EventUser.GeneratedPQuery INSTANCE = new GeneratedPQuery();
private final PParameter parameter_e = new PParameter("e", "github.IssueEvent", new EClassTransitiveInstancesKey((EClass)getClassifierLiteralSafe("sure.ghtorrent.github", "IssueEvent")), PParameterDirection.INOUT);
private final PParameter parameter_u = new PParameter("u", "github.User", new EClassTransitiveInstancesKey((EClass)getClassifierLiteralSafe("sure.ghtorrent.github", "User")), PParameterDirection.INOUT);
private final List parameters = Arrays.asList(parameter_e, parameter_u);
private GeneratedPQuery() {
super(PVisibility.PUBLIC);
}
@Override
public String getFullyQualifiedName() {
return "queries.eventUser";
}
@Override
public List getParameterNames() {
return Arrays.asList("e","u");
}
@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_e = body.getOrCreateVariableByName("e");
PVariable var_u = body.getOrCreateVariableByName("u");
new TypeConstraint(body, Tuples.flatTupleOf(var_e), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("sure.ghtorrent.github", "IssueEvent")));
new TypeConstraint(body, Tuples.flatTupleOf(var_u), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("sure.ghtorrent.github", "User")));
body.setSymbolicParameters(Arrays.asList(
new ExportedParameter(body, var_e, parameter_e),
new ExportedParameter(body, var_u, parameter_u)
));
// IssueEvent.user(e, u)
new TypeConstraint(body, Tuples.flatTupleOf(var_e), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("sure.ghtorrent.github", "IssueEvent")));
PVariable var__virtual_0_ = body.getOrCreateVariableByName(".virtual{0}");
new TypeConstraint(body, Tuples.flatTupleOf(var_e, var__virtual_0_), new EStructuralFeatureInstancesKey(getFeatureLiteral("sure.ghtorrent.github", "IssueEvent", "user")));
new TypeConstraint(body, Tuples.flatTupleOf(var__virtual_0_), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("sure.ghtorrent.github", "User")));
new Equality(body, var__virtual_0_, var_u);
bodies.add(body);
}
return bodies;
}
}
}