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/*******************************************************************************
* Copyright (c) 2006, 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.match.engine.internal;
import org.eclipse.emf.compare.FactoryException;
import org.eclipse.emf.compare.match.statistic.MetamodelFilter;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.emf.ecore.util.EcoreUtil;
/**
* Specialization of the heuristic based similarity checker making sure before computing complex metrics that
* both EClasses are the same.
*
* @author <a href="mailto:cedric.brun@obeo.fr">Cedric Brun</a>
*/
public class DistinctEcoreSimilarityChecker extends StatisticBasedSimilarityChecker {
/**
* Create a new checker.
*
* @param filter
* a metamodel filter the checker can use to know whether a feature alwaas has the same value
* or not in the models.
* @param bridge
* utility class to keep API compatibility.
*/
public DistinctEcoreSimilarityChecker(MetamodelFilter filter, GenericMatchEngineToCheckerBridge bridge) {
super(filter, bridge);
}
/**
* {@inheritDoc}
*/
@Override
public boolean isSimilar(EObject obj1, EObject obj2) throws FactoryException {
if (!EcoreUtil.equals(obj1.eClass(), obj2.eClass())) {
return false;
}
return super.isSimilar(obj1, obj2);
}
}
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