org/objectweb/proactive/core/body/request/Request.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.request;

import org.objectweb.proactive.Body;
import org.objectweb.proactive.core.body.UniversalBody;
import org.objectweb.proactive.core.body.message.Message;
import org.objectweb.proactive.core.body.reply.Reply;
import org.objectweb.proactive.core.exceptions.proxy.ProxyNonFunctionalException;
import org.objectweb.proactive.core.mop.MethodCall;
import org.objectweb.proactive.ext.security.Securizable;
import org.objectweb.proactive.ext.security.exceptions.RenegotiateSessionException;


public interface Request extends Message, Securizable {

        
        // Next request to serve
        public static final int NFREQUEST_IMMEDIATE_PRIORITY = 2;
        // FIFO among non functional requests
        public static final int NFREQUEST_PRIORITY = 1;
        // FIFO among all requests
        public static final int NFREQUEST_NO_PRIORITY = 0;
        
    public boolean hasBeenForwarded();

    public void resetSendCounter();

    public Object getParameter(int index);

    public MethodCall getMethodCall();

    public UniversalBody getSender();

    public int send(UniversalBody destinationBody)
        throws java.io.IOException, RenegotiateSessionException;

    public Reply serve(Body targetBody) throws ServeException;

    public Reply serveAlternate(Body targetBody, ProxyNonFunctionalException nfe);

    public void notifyReception(UniversalBody bodyReceiver)
        throws java.io.IOException;
    
    public boolean isFunctionalRequest();
    
    public void setFunctionalRequest(boolean isFunctionalRequest);
    
    
    public void setNFRequestPriority(int NFReqPriority);
    
    public int getNFRequestPriority();
}

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