| /******************************************************************************* |
| * Copyright (c) 2012, 2013 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.internal; |
| |
| import org.eclipse.emf.common.notify.Notifier; |
| import org.eclipse.emf.compare.ComparePackage; |
| import org.eclipse.emf.compare.Diff; |
| import org.eclipse.emf.compare.Match; |
| import org.eclipse.emf.ecore.EClass; |
| import org.eclipse.emf.ecore.EReference; |
| |
| /** |
| * This implementation of an {@link org.eclipse.emf.ecore.util.ECrossReferenceAdapter} will allow us to only |
| * attach ourselves to the Diff elements. |
| * |
| * @author <a href="mailto:laurent.goubet@obeo.fr">Laurent Goubet</a> |
| */ |
| public class DiffCrossReferencer extends AbstractCompareECrossReferencerAdapter { |
| /** |
| * {@inheritDoc} |
| * |
| * @see org.eclipse.emf.ecore.util.ECrossReferenceAdapter#isIncluded(org.eclipse.emf.ecore.EReference) |
| */ |
| @Override |
| protected boolean isIncluded(EReference eReference) { |
| if (super.isIncluded(eReference)) { |
| EClass eClass = eReference.getEContainingClass(); |
| return eClass.getEAllSuperTypes().contains(ComparePackage.Literals.DIFF); |
| } |
| return false; |
| |
| } |
| |
| /** |
| * {@inheritDoc} |
| * |
| * @see org.eclipse.emf.ecore.util.ECrossReferenceAdapter#addAdapter(org.eclipse.emf.common.notify.Notifier) |
| */ |
| @Override |
| protected void addAdapter(Notifier notifier) { |
| // We only need to install ourselves on Match elements (to listen to new Diffs) and the Diff |
| // themselves as they're what we wish to cross reference. |
| if (notifier instanceof Match || notifier instanceof Diff) { |
| super.addAdapter(notifier); |
| } |
| } |
| } |