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/**
* Copyright (c) 2011 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.tests.merge.singlevaluedcontainmentreference;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import java.util.Map;
import org.eclipse.emf.compare.diff.metamodel.DiffElement;
import org.eclipse.emf.compare.diff.metamodel.DiffModel;
import org.eclipse.emf.compare.diff.metamodel.DiffResourceSet;
import org.eclipse.emf.compare.diff.service.DiffService;
import org.eclipse.emf.compare.match.metamodel.MatchResourceSet;
import org.eclipse.emf.compare.match.service.MatchService;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.emf.ecore.resource.Resource;
import org.eclipse.emf.ecore.resource.ResourceSet;
import org.eclipse.emf.ecore.resource.impl.ResourceSetImpl;
import org.eclipse.emf.ecore.util.EcoreUtil;
public class SingleValuedContainmentMergeUseCases3WayRemoteChangesWithResourceSet extends SingleValuedContainmentMergeUseCases {
@SuppressWarnings("nls")
@Override
protected List<DiffElement> detectDifferences(EObject left, EObject right) throws InterruptedException {
assertNotNull(left.eResource());
assertNotNull(right.eResource());
ResourceSet leftResourceSet = new ResourceSetImpl();
leftResourceSet.getResources().add(left.eResource());
ResourceSet rightResourceSet = new ResourceSetImpl();
rightResourceSet.getResources().add(right.eResource());
Map<String, Object> options = Collections.emptyMap();
// We need here to detect and merge "remote" changes. We'll use the "left" as ancestor
Resource leftRes = left.eResource();
Resource ancestorRes = null;
if (leftRes != null) {
try {
ancestorRes = leftRes.getClass().newInstance();
ancestorRes.setURI(leftRes.getURI());
} catch (InstantiationException e) {
fail("Couldn't copy '" + leftRes.getURI() + "' resource");
} catch (IllegalAccessException e) {
fail("Couldn't copy '" + leftRes.getURI() + "' resource");
}
}
EObject ancestor = EcoreUtil.copy(left);
if (ancestorRes != null) {
ancestorRes.getContents().add(ancestor);
}
ResourceSet ancestorResourceSet = new ResourceSetImpl();
ancestorResourceSet.getResources().add(ancestorRes);
MatchResourceSet match = MatchService.doResourceSetMatch(leftResourceSet, rightResourceSet,
ancestorResourceSet, options);
DiffResourceSet diff = DiffService.doDiff(match, true);
List<DiffElement> differences = new ArrayList<DiffElement>();
for (DiffModel dModel : diff.getDiffModels()) {
differences.addAll(dModel.getDifferences());
}
return differences;
}
}
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