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/*******************************************************************************
* Copyright (c) 2013, 2015 Obeo.
* 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:
* Obeo - initial API and implementation
*******************************************************************************/
package org.eclipse.emf.compare.uml2.internal.postprocessor.extension.profile;
import static com.google.common.base.Predicates.instanceOf;
import com.google.common.collect.Iterables;
import java.util.ArrayList;
import java.util.HashSet;
import java.util.Iterator;
import java.util.List;
import java.util.Set;
import org.eclipse.emf.compare.Comparison;
import org.eclipse.emf.compare.Diff;
import org.eclipse.emf.compare.DifferenceKind;
import org.eclipse.emf.compare.Match;
import org.eclipse.emf.compare.internal.utils.ComparisonUtil;
import org.eclipse.emf.compare.uml2.internal.ProfileApplicationChange;
import org.eclipse.emf.compare.uml2.internal.StereotypeApplicationChange;
import org.eclipse.emf.compare.uml2.internal.UMLCompareFactory;
import org.eclipse.emf.compare.uml2.internal.UMLDiff;
import org.eclipse.emf.compare.uml2.internal.postprocessor.AbstractUMLChangeFactory;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.emf.ecore.util.Switch;
import org.eclipse.uml2.uml.Element;
import org.eclipse.uml2.uml.ProfileApplication;
import org.eclipse.uml2.uml.Stereotype;
/**
* Factory for Profile Application changes.
*
* @author <a href="mailto:cedric.notot@obeo.fr">Cedric Notot</a>
*/
public class UMLProfileApplicationChangeFactory extends AbstractUMLChangeFactory {
/**
* {@inheritDoc}
*
* @see org.eclipse.emf.compare.internal.postprocessor.factories.AbstractChangeFactory#getExtensionKind()
*/
@Override
public Class<? extends UMLDiff> getExtensionKind() {
return ProfileApplicationChange.class;
}
/**
* {@inheritDoc}
*
* @see org.eclipse.emf.compare.internal.postprocessor.factories.AbstractChangeFactory#createExtension()
*/
@Override
public UMLDiff createExtension() {
return UMLCompareFactory.eINSTANCE.createProfileApplicationChange();
}
/**
* {@inheritDoc}
*
* @see org.eclipse.emf.compare.uml2.internal.postprocessor.AbstractUMLChangeFactory#getDiscriminant(org.eclipse.emf.compare.Diff)
*/
@Override
protected EObject getDiscriminant(Diff input) {
return Iterables.find(getDiscriminants(input), instanceOf(ProfileApplication.class), null);
}
/**
* {@inheritDoc}
*
* @see org.eclipse.emf.compare.uml2.internal.postprocessor.AbstractUMLChangeFactory#getDiscriminantsGetter()
*/
@Override
protected Switch<Set<EObject>> getDiscriminantsGetter() {
return new DiscriminantsGetter() {
@Override
public Set<EObject> caseProfileApplication(ProfileApplication object) {
Set<EObject> result = new HashSet<EObject>();
result.add(object);
return result;
}
};
}
/**
* {@inheritDoc}
*
* @see org.eclipse.emf.compare.internal.postprocessor.factories.AbstractChangeFactory#fillRequiredDifferences(org.eclipse.emf.compare.Comparison,
* org.eclipse.emf.compare.Diff)
*/
@Override
public void fillRequiredDifferences(Comparison comparison, Diff extension) {
super.fillRequiredDifferences(comparison, extension);
if (extension instanceof ProfileApplicationChange) {
final ProfileApplicationChange profileApplicationChange = (ProfileApplicationChange)extension;
if (profileApplicationChange.getKind() == DifferenceKind.DELETE) {
final Iterator<EObject> stereotypeApplications = getStereotypeApplications(
(ProfileApplication)profileApplicationChange.getDiscriminant()).iterator();
while (stereotypeApplications.hasNext()) {
final EObject eObject = stereotypeApplications.next();
for (Diff diff : comparison.getDifferences(eObject)) {
if (diff instanceof StereotypeApplicationChange
&& diff.getKind() == DifferenceKind.DELETE) {
profileApplicationChange.getRequires().add(diff);
}
}
}
}
}
}
/**
* Get all the applied stereotypes from the given profile application.
*
* @param profileApplication
* The given profile applciation.
* @return The list of applied stereotypes.
*/
private List<EObject> getStereotypeApplications(ProfileApplication profileApplication) {
final List<EObject> result = new ArrayList<EObject>();
final org.eclipse.uml2.uml.Package p = profileApplication.getApplyingPackage();
final Iterator<EObject> it = p.eAllContents();
while (it.hasNext()) {
final EObject elt = it.next();
if (elt instanceof Element) {
for (Stereotype stereotype : ((Element)elt).getAppliedStereotypes()) {
if (stereotype.getProfile().equals(profileApplication.getAppliedProfile())) {
final EObject stereotypeApplication = ((Element)elt)
.getStereotypeApplication(stereotype);
result.add(stereotypeApplication);
}
}
}
}
return result;
}
/**
* {@inheritDoc}
*
* @see org.eclipse.emf.compare.uml2.internal.postprocessor.AbstractUMLChangeFactory#getParentMatch(org.eclipse.emf.compare.Diff)
*/
@Override
public Match getParentMatch(Diff input) {
final EObject discriminant = getDiscriminant(input);
if (discriminant instanceof ProfileApplication) {
final org.eclipse.uml2.uml.Package p = ((ProfileApplication)discriminant).getApplyingPackage();
final Match match = ComparisonUtil.getComparison(input).getMatch(p);
if (match != null) {
return match;
}
}
return super.getParentMatch(input);
}
}
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