org/objectweb/proactive/core/body/AbstractUniversalBody.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.body;

import java.io.IOException;
import java.util.HashMap;
import java.util.Map;

import org.objectweb.proactive.core.UniqueID;
import org.objectweb.proactive.core.component.request.Shortcut;
import org.objectweb.proactive.core.exceptions.NonFunctionalException;
import org.objectweb.proactive.core.exceptions.manager.NFEListener;
import org.objectweb.proactive.core.exceptions.manager.NFEListenerList;


public abstract class AbstractUniversalBody implements UniversalBody,
    java.io.Serializable {
    //
    // -- PROTECTED MEMBERS -----------------------------------------------
    //

    protected UniqueID bodyID;

    protected BodyMap location;

    protected String nodeURL;

    protected transient UniversalBody remoteBody;
    protected RemoteBodyFactory remoteBodyFactory;
    protected String jobID;
    protected Map shortcuts = null; // key = functionalItfID, value=shortcut

    //
    // -- PRIVATE MEMBERS -----------------------------------------------
    //
    //
    // -- CONSTRUCTORS -----------------------------------------------
    //

    public AbstractUniversalBody() {
    }

    public AbstractUniversalBody(String nodeURL,
        RemoteBodyFactory remoteBodyFactory, String jobID) {
        this.nodeURL = nodeURL;
        this.bodyID = new UniqueID();
        this.location = new BodyMap();
        this.jobID = jobID;
        this.remoteBodyFactory = remoteBodyFactory;
        this.remoteBody = remoteBodyFactory.newRemoteBody(this);
    }

    //
    // -- PUBLIC METHODS -----------------------------------------------
    //
    //
    // -- implements UniversalBody -----------------------------------------------
    //
    public String getJobID() {
        return jobID;
    }

    public String getNodeURL() {
        return nodeURL;
    }

    public BodyAdapter getRemoteAdapter() {
        return (BodyAdapter) remoteBody;
    }

    public UniqueID getID() {
        return bodyID;
    }

    public void updateLocation(UniqueID bodyID, UniversalBody body) {
        location.updateBody(bodyID, body);
    }

    //
    // -- PROTECTED METHODS -----------------------------------------------
    //
    //
    // -- PRIVATE METHODS -----------------------------------------------
    //
    private void writeObject(java.io.ObjectOutputStream out)
        throws java.io.IOException {
        out.defaultWriteObject();
    }

    private void readObject(java.io.ObjectInputStream in)
        throws java.io.IOException, ClassNotFoundException {
        in.defaultReadObject();
        //System.out.println("@@@@@@@@@@@@@@@@@@" + this.jobID);
        if (bodyID == null) {
            // it may happen that the bodyID is set to null before serialization if we want to
            // create a copy of the Body that is distinct from the original
            bodyID = new UniqueID();
        }

        // remoteBody is transient so we recreate it here
        this.remoteBody = remoteBodyFactory.newRemoteBody(this);
    }

    /*
     *
     * @see org.objectweb.proactive.core.body.UniversalBody#createShortcut(org.objectweb.proactive.core.component.request.Shortcut)
     */
    public void createShortcut(Shortcut shortcut) throws IOException {
        if (shortcuts == null) {
            shortcuts = new HashMap();
        }
        shortcuts.put(shortcut.getLinkedInterfaceID(), shortcut);
    }

    // NFEProducer implementation
    private NFEListenerList nfeListeners = null;

    public void addNFEListener(NFEListener listener) {
        if (nfeListeners == null) {
            nfeListeners = new NFEListenerList();
        }
        nfeListeners.addNFEListener(listener);
    }

    public void removeNFEListener(NFEListener listener) {
        if (nfeListeners != null) {
            nfeListeners.removeNFEListener(listener);
        }
    }

    public int fireNFE(NonFunctionalException e) {
        if (nfeListeners != null) {
            return nfeListeners.fireNFE(e);
        }
        return 0;
    }
}

---