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/*******************************************************************************
* Copyright (c) 2014, 2015 The University of York and Willink Transformations.
* 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:
* Horacio Hoyos - initial API and implementation
******************************************************************************/
package org.eclipse.qvtd.compiler.internal.qvtr2qvtc;
import java.util.List;
import org.eclipse.jdt.annotation.NonNull;
import org.eclipse.ocl.pivot.CollectionType;
import org.eclipse.ocl.pivot.OCLExpression;
import org.eclipse.ocl.pivot.PivotFactory;
import org.eclipse.ocl.pivot.Type;
import org.eclipse.ocl.pivot.Variable;
import org.eclipse.ocl.pivot.utilities.ClassUtil;
import org.eclipse.qvtd.compiler.internal.utilities.CompilerUtil;
import org.eclipse.qvtd.pivot.qvtbase.Domain;
import org.eclipse.qvtd.pivot.qvtbase.Rule;
import org.eclipse.qvtd.pivot.qvtrelation.DomainPattern;
import org.eclipse.qvtd.pivot.qvtrelation.Relation;
import org.eclipse.qvtd.pivot.qvtrelation.RelationDomain;
import org.eclipse.qvtd.pivot.qvtrelation.RelationalTransformation;
import org.eclipse.qvtd.pivot.qvttemplate.CollectionTemplateExp;
import org.eclipse.qvtd.pivot.qvttemplate.ObjectTemplateExp;
import org.eclipse.qvtd.pivot.qvttemplate.PropertyTemplateItem;
import org.eclipse.qvtd.pivot.qvttemplate.TemplateExp;
/*public*/ class RelationalTransformationToTracePackage
{
protected final @NonNull QVTrToQVTc qvtr2qvtc;
public RelationalTransformationToTracePackage(@NonNull QVTrToQVTc qvtr2qvtc) {
this.qvtr2qvtc = qvtr2qvtc;
}
public org.eclipse.ocl.pivot.@NonNull Package doRelationalTransformationToTracePackage(@NonNull RelationalTransformation rt) {
org.eclipse.ocl.pivot.Package p = PivotFactory.eINSTANCE.createPackage();
p.setName("P" + rt.getName());
p.setNsPrefix("P" + rt.getName());
// p.setURI(p.getName());
qvtr2qvtc.putTracePackage(rt, p);
List<org.eclipse.ocl.pivot.@NonNull Class> ownedClasses = ClassUtil.nullFree(p.getOwnedClasses());
for (@NonNull Rule r : ClassUtil.nullFree(rt.getRule())) {
if (r instanceof Relation) {
ownedClasses.add(doRelationToTraceClass((Relation)r));
}
}
CompilerUtil.normalizeNameables(ownedClasses);
return p;
}
private org.eclipse.ocl.pivot.@NonNull Class doRelationToTraceClass(@NonNull Relation rRelation) {
@SuppressWarnings("null")org.eclipse.ocl.pivot.@NonNull Class traceClass = PivotFactory.eINSTANCE.createClass();
qvtr2qvtc.putRelationTrace(rRelation, traceClass);
traceClass.setName("T" + rRelation.getName());
for (@NonNull Variable rVariable : qvtr2qvtc.getMiddleDomainVariables(rRelation)) {
createTraceProperty(traceClass, rVariable);
}
for (@NonNull Domain rDomain : ClassUtil.nullFree(rRelation.getDomain())) {
for (@NonNull DomainPattern rDomainPattern : ClassUtil.nullFree(((RelationDomain)rDomain).getPattern())) {
TemplateExp rTemplateExp = ClassUtil.nonNullState(rDomainPattern.getTemplateExpression());
doSubTemplateToTraceClassProps(rTemplateExp, traceClass);
}
}
CompilerUtil.normalizeNameables(ClassUtil.nullFree(traceClass.getOwnedProperties()));
return traceClass;
}
private void doSubTemplateToTraceClassProps(@NonNull TemplateExp te, org.eclipse.ocl.pivot.@NonNull Class rc) {
Variable tv = ClassUtil.nonNullState(te.getBindsTo());
if (te instanceof CollectionTemplateExp) {
createTraceProperty(rc, tv); // ?? not required for CollectionTemplateExp's
CollectionTemplateExp cte = (CollectionTemplateExp) te;
Variable collectionVariable = cte.getBindsTo();
CollectionType collectionType = (CollectionType)collectionVariable.getType();
Type elementType = ClassUtil.nonNullState(collectionType.getElementType());
int argIndex = 0;
for (@NonNull OCLExpression m : ClassUtil.nullFree(cte.getMember())) {
if (m instanceof TemplateExp) {
doSubTemplateToTraceClassProps((TemplateExp)m, rc);
}
else {
createTraceProperty(rc, collectionVariable.getName() + "_" + argIndex, elementType);
}
argIndex++;
}
Variable rv = cte.getRest();
if (rv != null) {
createTraceProperty(rc, rv);
}
}
else if (te instanceof ObjectTemplateExp) {
createTraceProperty(rc, tv); // ?? not required for CollectionTemplateExp's
ObjectTemplateExp ote = (ObjectTemplateExp) te;
for (@NonNull PropertyTemplateItem pt : ClassUtil.nullFree(ote.getPart())) {
OCLExpression value = ClassUtil.nonNullState(pt.getValue());
if (value instanceof TemplateExp) {
doSubTemplateToTraceClassProps((TemplateExp)value, rc);
}
}
}
}
private void createTraceProperty(org.eclipse.ocl.pivot.@NonNull Class rc, @NonNull Variable tv) {
String vn = ClassUtil.nonNullState(tv.getName());
Type c = ClassUtil.nonNullState(tv.getType());
qvtr2qvtc.whenTraceProperty(rc, vn, c);
}
private void createTraceProperty(org.eclipse.ocl.pivot.@NonNull Class rc, @NonNull String name, @NonNull Type type) {
qvtr2qvtc.whenTraceProperty(rc, name, type);
}
}
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