org/objectweb/proactive/core/gc/ObjectGraph.java

/* 
 * ################################################################
 * 
 * ProActive: The Java(TM) library for Parallel, Distributed, 
 *            Concurrent computing with Security and Mobility
 * 
 * Copyright (C) 1997-2007 INRIA/University of Nice-Sophia Antipolis
 * Contact: proactive@objectweb.org
 * 
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or any later version.
 *  
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 * 
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307
 * USA
 *  
 *  Initial developer(s):               The ProActive Team
 *                        http://www.inria.fr/oasis/ProActive/contacts.html
 *  Contributor(s): 
 * 
 * ################################################################
 */ 
package org.objectweb.proactive.core.gc;

import java.util.Collection;
import java.util.Iterator;
import java.util.Vector;

import org.objectweb.proactive.core.UniqueID;
import org.objectweb.proactive.core.body.AbstractBody;
import org.objectweb.proactive.core.body.LocalBodyStore;
import org.objectweb.proactive.core.body.UniversalBody;
import org.objectweb.proactive.core.body.proxy.UniversalBodyProxy;


public class ObjectGraph {
    public static Collection<UniqueID> getReferenceList(UniqueID bodyID) {
        UniversalBody body = LocalBodyStore.getInstance().getLocalBody(bodyID);
        if (body == null) {
                System.out.println("Body " + bodyID + " not found");
            return new Vector<UniqueID>();
        }
        Collection<UniversalBodyProxy> bodies = ((AbstractBody) body).getReferences();
        Collection<UniqueID> res = new Vector<UniqueID>();
        for (Iterator<UniversalBodyProxy> iter = bodies.iterator(); iter.hasNext();) {
            res.add(iter.next().getBodyID());
        }
        return res;
    }
}

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