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/**
*
* Copyright (c) 2010-2015, Andras Szabolcs Nagy, Abel Hegedus, Akos Horvath, Zoltan Ujhelyi and Daniel Varro
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
* Contributors:
* Andras Szabolcs Nagy - initial API and implementation
*
*/
package org.eclipse.viatra.dse.examples.bpmn.patterns.util;
import com.google.common.collect.Sets;
import java.util.Arrays;
import java.util.Collections;
import java.util.List;
import java.util.Set;
import org.eclipse.emf.ecore.EClass;
import org.eclipse.viatra.dse.examples.bpmn.patterns.MakeParallelMatch;
import org.eclipse.viatra.dse.examples.bpmn.patterns.MakeParallelMatcher;
import org.eclipse.viatra.dse.examples.bpmn.patterns.util.InFlowQuerySpecification;
import org.eclipse.viatra.dse.examples.bpmn.patterns.util.OutFlowQuerySpecification;
import org.eclipse.viatra.dse.examples.bpmn.patterns.util.TaskOrderQuerySpecification;
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.emf.types.EClassTransitiveInstancesKey;
import org.eclipse.viatra.query.runtime.emf.types.EStructuralFeatureInstancesKey;
import org.eclipse.viatra.query.runtime.exception.ViatraQueryException;
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.basicdeferred.Inequality;
import org.eclipse.viatra.query.runtime.matchers.psystem.basicdeferred.PatternMatchCounter;
import org.eclipse.viatra.query.runtime.matchers.psystem.basicenumerables.ConstantValue;
import org.eclipse.viatra.query.runtime.matchers.psystem.basicenumerables.PositivePatternCall;
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.QueryInitializationException;
import org.eclipse.viatra.query.runtime.matchers.tuple.FlatTuple;
/**
* A pattern-specific query specification that can instantiate MakeParallelMatcher in a type-safe way.
*
* @see MakeParallelMatcher
* @see MakeParallelMatch
*
*/
@SuppressWarnings("all")
public final class MakeParallelQuerySpecification extends BaseGeneratedEMFQuerySpecification<MakeParallelMatcher> {
private MakeParallelQuerySpecification() {
super(GeneratedPQuery.INSTANCE);
}
/**
* @return the singleton instance of the query specification
* @throws ViatraQueryException if the pattern definition could not be loaded
*
*/
public static MakeParallelQuerySpecification instance() throws ViatraQueryException {
try{
return LazyHolder.INSTANCE;
} catch (ExceptionInInitializerError err) {
throw processInitializerError(err);
}
}
@Override
protected MakeParallelMatcher instantiate(final ViatraQueryEngine engine) throws ViatraQueryException {
return MakeParallelMatcher.on(engine);
}
@Override
public MakeParallelMatcher instantiate() throws ViatraQueryException {
return MakeParallelMatcher.create();
}
@Override
public MakeParallelMatch newEmptyMatch() {
return MakeParallelMatch.newEmptyMatch();
}
@Override
public MakeParallelMatch newMatch(final Object... parameters) {
return MakeParallelMatch.newMatch((org.eclipse.viatra.dse.examples.simplifiedbpmn.Task) parameters[0], (org.eclipse.viatra.dse.examples.simplifiedbpmn.Task) parameters[1], (org.eclipse.viatra.dse.examples.simplifiedbpmn.SimplifiedBPMN) parameters[2]);
}
/**
* Inner class allowing the singleton instance of {@link MakeParallelQuerySpecification} to be created
* <b>not</b> at the class load time of the outer class,
* but rather at the first call to {@link MakeParallelQuerySpecification#instance()}.
*
* <p> This workaround is required e.g. to support recursion.
*
*/
private static class LazyHolder {
private final static MakeParallelQuerySpecification INSTANCE = new MakeParallelQuerySpecification();
/**
* Statically initializes the query specification <b>after</b> the field {@link #INSTANCE} is assigned.
* This initialization order is required to support indirect recursion.
*
* <p> 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.ensureInitializedInternalSneaky();
return null;
}
}
private static class GeneratedPQuery extends BaseGeneratedEMFPQuery {
private final static MakeParallelQuerySpecification.GeneratedPQuery INSTANCE = new GeneratedPQuery();
private final PParameter parameter_pT1 = new PParameter("T1", "org.eclipse.viatra.dse.examples.simplifiedbpmn.Task", new EClassTransitiveInstancesKey((EClass)getClassifierLiteralSafe("org.eclipse.viatra.dse.examples.bpmn", "Task")), PParameterDirection.INOUT);
private final PParameter parameter_pT2 = new PParameter("T2", "org.eclipse.viatra.dse.examples.simplifiedbpmn.Task", new EClassTransitiveInstancesKey((EClass)getClassifierLiteralSafe("org.eclipse.viatra.dse.examples.bpmn", "Task")), PParameterDirection.INOUT);
private final PParameter parameter_pRoot = new PParameter("Root", "org.eclipse.viatra.dse.examples.simplifiedbpmn.SimplifiedBPMN", new EClassTransitiveInstancesKey((EClass)getClassifierLiteralSafe("org.eclipse.viatra.dse.examples.bpmn", "SimplifiedBPMN")), PParameterDirection.INOUT);
private final List<PParameter> parameters = Arrays.asList(parameter_pT1, parameter_pT2, parameter_pRoot);
@Override
public String getFullyQualifiedName() {
return "org.eclipse.viatra.dse.examples.bpmn.patterns.makeParallel";
}
@Override
public List<String> getParameterNames() {
return Arrays.asList("T1","T2","Root");
}
@Override
public List<PParameter> getParameters() {
return parameters;
}
@Override
public Set<PBody> doGetContainedBodies() throws QueryInitializationException {
setEvaluationHints(new QueryEvaluationHint(null, Collections.<String,Object>emptyMap()));
Set<PBody> bodies = Sets.newLinkedHashSet();
try {
{
PBody body = new PBody(this);
PVariable var_T1 = body.getOrCreateVariableByName("T1");
PVariable var_T2 = body.getOrCreateVariableByName("T2");
PVariable var_Root = body.getOrCreateVariableByName("Root");
PVariable var_outflow = body.getOrCreateVariableByName("outflow");
PVariable var___0_ = body.getOrCreateVariableByName("_<0>");
PVariable var___1_ = body.getOrCreateVariableByName("_<1>");
new TypeConstraint(body, new FlatTuple(var_T1), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("org.eclipse.viatra.dse.examples.bpmn", "Task")));
new TypeConstraint(body, new FlatTuple(var_T2), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("org.eclipse.viatra.dse.examples.bpmn", "Task")));
new TypeConstraint(body, new FlatTuple(var_Root), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("org.eclipse.viatra.dse.examples.bpmn", "SimplifiedBPMN")));
body.setSymbolicParameters(Arrays.<ExportedParameter>asList(
new ExportedParameter(body, var_T1, parameter_pT1),
new ExportedParameter(body, var_T2, parameter_pT2),
new ExportedParameter(body, var_Root, parameter_pRoot)
));
// SimplifiedBPMN(Root)
new TypeConstraint(body, new FlatTuple(var_Root), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("org.eclipse.viatra.dse.examples.bpmn", "SimplifiedBPMN")));
// Task.outFlows(T1, outflow)
new TypeConstraint(body, new FlatTuple(var_T1), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("org.eclipse.viatra.dse.examples.bpmn", "Task")));
PVariable var__virtual_0_ = body.getOrCreateVariableByName(".virtual{0}");
new TypeConstraint(body, new FlatTuple(var_T1, var__virtual_0_), new EStructuralFeatureInstancesKey(getFeatureLiteral("org.eclipse.viatra.dse.examples.bpmn", "BaseElement", "outFlows")));
new Equality(body, var__virtual_0_, var_outflow);
// SequenceFlow.isDataFlow(outflow, false)
PVariable var__virtual_1_ = body.getOrCreateVariableByName(".virtual{1}");
new ConstantValue(body, var__virtual_1_, false);
new TypeConstraint(body, new FlatTuple(var_outflow), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("org.eclipse.viatra.dse.examples.bpmn", "SequenceFlow")));
PVariable var__virtual_2_ = body.getOrCreateVariableByName(".virtual{2}");
new TypeConstraint(body, new FlatTuple(var_outflow, var__virtual_2_), new EStructuralFeatureInstancesKey(getFeatureLiteral("org.eclipse.viatra.dse.examples.bpmn", "SequenceFlow", "isDataFlow")));
new Equality(body, var__virtual_2_, var__virtual_1_);
// SequenceFlow.target(outflow, T2)
new TypeConstraint(body, new FlatTuple(var_outflow), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("org.eclipse.viatra.dse.examples.bpmn", "SequenceFlow")));
PVariable var__virtual_3_ = body.getOrCreateVariableByName(".virtual{3}");
new TypeConstraint(body, new FlatTuple(var_outflow, var__virtual_3_), new EStructuralFeatureInstancesKey(getFeatureLiteral("org.eclipse.viatra.dse.examples.bpmn", "SequenceFlow", "target")));
new Equality(body, var__virtual_3_, var_T2);
// T1 != T2
new Inequality(body, var_T1, var_T2);
// find taskOrder(T1,T2)
new PositivePatternCall(body, new FlatTuple(var_T1, var_T2), TaskOrderQuerySpecification.instance().getInternalQueryRepresentation());
// 1 == count find inFlow(T2, _)
PVariable var__virtual_4_ = body.getOrCreateVariableByName(".virtual{4}");
new ConstantValue(body, var__virtual_4_, 1);
PVariable var__virtual_5_ = body.getOrCreateVariableByName(".virtual{5}");
new PatternMatchCounter(body, new FlatTuple(var_T2, var___0_), InFlowQuerySpecification.instance().getInternalQueryRepresentation(), var__virtual_5_);
new Equality(body, var__virtual_4_, var__virtual_5_);
// 1 == count find outFlow(T1, _)
PVariable var__virtual_6_ = body.getOrCreateVariableByName(".virtual{6}");
new ConstantValue(body, var__virtual_6_, 1);
PVariable var__virtual_7_ = body.getOrCreateVariableByName(".virtual{7}");
new PatternMatchCounter(body, new FlatTuple(var_T1, var___1_), OutFlowQuerySpecification.instance().getInternalQueryRepresentation(), var__virtual_7_);
new Equality(body, var__virtual_6_, var__virtual_7_);
bodies.add(body);
}
// to silence compiler error
if (false) throw new ViatraQueryException("Never", "happens");
} catch (ViatraQueryException ex) {
throw processDependencyException(ex);
}
return bodies;
}
}
}