/*****************************************************************************
* Copyright (c) 2011 Atos.
*
*
* 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:
* Arthur Daussy (Atos) - Initial API and implementation
* Arthur Daussy - 371712 : 372745: [ActivityDiagram] Major refactoring group framework
*
*****************************************************************************/
package org.eclipse.papyrus.uml.diagram.activity.activitygroup.predicates;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.emf.ecore.util.EcoreUtil;
import com.google.common.base.Predicate;
/**
* Same as {@link EcoreUtil#filterDescendants(java.util.Collection)}
*
* @author arthur daussy
*
*/
public class DescendantsFilter implements Predicate<EObject> {
private Iterable<? extends EObject> initialCollection;
public DescendantsFilter(Iterable<? extends EObject> initialCollection) {
super();
this.initialCollection = initialCollection;
}
public boolean apply(EObject input) {
for(EObject target : initialCollection) {
if(target == input) {
continue;
}
if(EcoreUtil.isAncestor(input, target)) {
return false;
}
}
return true;
}
}