rendezvousserviceinterface.java

jxta_src_2.41b jxta 2.41b 最新版源码 from www.jxta.org

/*
 *
 * $Id: RendezVousServiceInterface.java,v 1.25 2004/10/18 21:22:07 bondolo Exp $
 *
 * Copyright (c) 2001 Sun Microsystems, Inc.  All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 *
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in
 *    the documentation and/or other materials provided with the
 *    distribution.
 *
 * 3. The end-user documentation included with the redistribution,
 *    if any, must include the following acknowledgment:
 *       "This product includes software developed by the
 *       Sun Microsystems, Inc. for Project JXTA."
 *    Alternately, this acknowledgment may appear in the software itself,
 *    if and wherever such third-party acknowledgments normally appear.
 *
 * 4. The names "Sun", "Sun Microsystems, Inc.", "JXTA" and "Project JXTA"
 *    must not be used to endorse or promote products derived from this
 *    software without prior written permission. For written
 *    permission, please contact Project JXTA at http://www.jxta.org.
 *
 * 5. Products derived from this software may not be called "JXTA",
 *    nor may "JXTA" appear in their name, without prior written
 *    permission of Sun.
 *
 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED.  IN NO EVENT SHALL SUN MICROSYSTEMS OR
 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 *
 * =========================================================
 *
 * This software consists of voluntary contributions made by many
 * individuals on behalf of Project JXTA.  For more
 * information on Project JXTA, please see
 * <http://www.jxta.org/>.
 *
 * This license is based on the BSD license adopted by the Apache Foundation.
 */

package net.jxta.impl.rendezvous;


import java.util.Enumeration;
import java.util.Vector;

import java.io.IOException;

import net.jxta.document.Advertisement;
import net.jxta.endpoint.EndpointAddress;
import net.jxta.endpoint.EndpointListener;
import net.jxta.endpoint.Message;
import net.jxta.id.ID;
import net.jxta.peergroup.PeerGroup;
import net.jxta.protocol.PeerAdvertisement;
import net.jxta.rendezvous.RendezVousService;
import net.jxta.rendezvous.RendezVousStatus;
import net.jxta.rendezvous.RendezvousListener;
import net.jxta.service.Service;

import net.jxta.impl.rendezvous.rpv.PeerView;

/**
 * This class implements the RendezVousService interface.
 */
public class RendezVousServiceInterface implements RendezVousService {
    
    RendezVousServiceImpl impl = null;
    
    /**
     * The only authorized constructor.
     **/
    RendezVousServiceInterface(RendezVousServiceImpl theRealThing) {
        impl = theRealThing;
    }
    
    /**
     *  {@inheritDoc}
     *
     * <p/>Since THIS is already such an object, it returns itself.
     * FIXME: it is kind of absurd to have this method part of the
     * interface but we do not want to define two levels of Service interface
     * just for that.
     **/
    public Service getInterface() {
        return this;
    }
    
    /**
     *  {@inheritDoc}
     **/
    public Advertisement getImplAdvertisement() {
        return impl.getImplAdvertisement();
    }
    
    /**
     *  {@inheritDoc}
     *
     *  <p/>FIXME: This is meaningless for the interface object;
     * it is there only to satisfy the requirements of the
     * interface that we implement. Ultimately, the API should define
     * two levels of interfaces: one for the real service implementation
     * and one for the interface object. Right now it feels a bit heavy
     * to so that since the only different between the two would be
     * init() and may-be getName().
     */
    
    public void init(PeerGroup pg, ID assignedID, Advertisement impl) {}
    
    /**
     *  {@inheritDoc}
     *
     *  <p/>This is here for temporary class hierarchy reasons.
     * it is ALWAYS ignored. By definition, the interface object
     * protects the real object's start/stop methods from being called
     */
    public int startApp(String[] arg) {
        return 0;
    }
    
    /**
     *  {@inheritDoc}
     *
     *  <p/>This is here for temporary class hierarchy reasons.
     * it is ALWAYS ignored. By definition, the interface object
     * protects the real object's start/stop methods from being called
     *
     * <p/>This request is currently ignored.
     */
    public void stopApp() {}
    
    /**
     *  {@inheritDoc}
     **/
    public void connectToRendezVous(PeerAdvertisement adv)
        throws IOException {
        impl.connectToRendezVous(adv);
    }
    
    /**
     *  {@inheritDoc}
     **/
    public void connectToRendezVous(EndpointAddress addr) throws IOException {
        impl.connectToRendezVous(addr);
    }
    
    /**
     *  {@inheritDoc}
     **/
    public void challengeRendezVous(ID peer, long delay) {
        impl.challengeRendezVous(peer, delay);
    }
    
    /**
     *  {@inheritDoc}
     **/
    public void disconnectFromRendezVous(ID rendezVous) {
        impl.disconnectFromRendezVous(rendezVous);
    }
    
    /**
     *  {@inheritDoc}
     **/
    public Enumeration getConnectedRendezVous() {
        return impl.getConnectedRendezVous();
    }
    
    /**
     *  {@inheritDoc}
     **/
    public Enumeration getDisconnectedRendezVous() {
        return impl.getDisconnectedRendezVous();
    }
    
    /**
     ** This portion is for peers that are RendezVousService
     **/
    
    /**
     *  {@inheritDoc}
     **/
    public void startRendezVous() {
        impl.startRendezVous();
    }
    
    /**
     *  {@inheritDoc}
     **/
    public void stopRendezVous() {
        impl.stopRendezVous();
    }
    
    /**
     *  {@inheritDoc}
     **/
    public Enumeration getConnectedPeers() {
        return impl.getConnectedPeers();
    }
    
    /**
     *  {@inheritDoc}
     **/
    public Vector getConnectedPeerIDs() {
        return impl.getConnectedPeerIDs();
    }
    
    /**
     *  {@inheritDoc}
     **/
    public boolean addPropagateListener(String name, EndpointListener listener) {
        return impl.addPropagateListener(name, listener);
    }
    
    /**
     *  {@inheritDoc}
     **/
    public EndpointListener removePropagateListener(String name,
            EndpointListener listener) {
        
        return impl.removePropagateListener(name, listener);
    }

    /**
     *  {@inheritDoc}
     **/
    public boolean addPropagateListener(String serviceName, String serviceParam, EndpointListener listener) {

        return impl.addPropagateListener(serviceName, serviceParam, listener);
    }
    
    /**
     *  {@inheritDoc}
     **/
    public EndpointListener removePropagateListener(String serviceName, String serviceParam,
            EndpointListener listener) {

        return impl.removePropagateListener(serviceName, serviceParam, listener);
    }
    
    /**
     *  {@inheritDoc}
     **/
    public void addListener(RendezvousListener listener) {
        
        impl.addListener(listener);
    }
    
    /**
     *  {@inheritDoc}
     **/
    public boolean removeListener(RendezvousListener listener) {
        
        return impl.removeListener(listener);
    }
    
    /**
     *  {@inheritDoc}
     **/
    public void propagate(Message msg,
            String serviceName,
            String serviceParam,
            int    defaultTTL)
        throws IOException {
        
        impl.propagate(msg, serviceName, serviceParam, defaultTTL);
    }
    
    /**
     *  {@inheritDoc}
     **/
    public void propagate(Enumeration destPeerIDs, Message msg, String serviceName, String serviceParam, int defaultTTL) throws IOException {
        
        impl.propagate(destPeerIDs, msg, serviceName, serviceParam, defaultTTL);
    }
    
    /**
     *  {@inheritDoc}
     **/
    public void walk(Message msg,
            String serviceName,
            String serviceParam,
            int    defaultTTL)
        throws IOException {
        
        impl.walk(msg, serviceName, serviceParam, defaultTTL);
    }
    
    /**
     *  {@inheritDoc}
     **/
    public void walk(Vector destPeerIDs,
            Message msg,
            String serviceName,
            String serviceParam,
            int    defaultTTL)
        throws IOException {
        
        impl.walk(destPeerIDs, msg, serviceName, serviceParam, defaultTTL);
    }
    
    /**
     *  {@inheritDoc}
     **/
    public Vector getLocalWalkView() {
        
        return impl.getLocalWalkView();
    }
    
    /**
     *  {@inheritDoc}
     **/
    public void propagateToNeighbors(Message msg,
                                     String serviceName,
                                     String serviceParam,
                                     int defaultTTL,
                                     String prunePeer) throws IOException {

        propagateToNeighbors(msg, serviceName, serviceParam, defaultTTL);
    }
    
    /**
     *  {@inheritDoc}
     **/
    public void propagateToNeighbors(Message msg,
                                     String serviceName,
                                     String serviceParam,
                                     int defaultTTL) throws IOException {
        impl.propagateToNeighbors(msg, serviceName, serviceParam, defaultTTL);
    }

    /**
     *  {@inheritDoc}
     **/
    public void propagateInGroup(Message msg,
                                 String serviceName,
                                 String serviceParam,
                                 int defaultTTL,
                                 String prunePeer) throws IOException {
       propagateInGroup(msg, serviceName, serviceParam, defaultTTL);
    }
    
    /**
     *  {@inheritDoc}
     **/
    public void propagateInGroup(Message msg,
                                 String serviceName,
                                 String serviceParam,
                                 int defaultTTL) throws IOException {
        impl.propagateInGroup(msg, serviceName, serviceParam, defaultTTL);
    }
    
    /**
     *  {@inheritDoc}
     **/
    public boolean isConnectedToRendezVous() {
        return impl.isConnectedToRendezVous();
    }
    
    /**
     *  {@inheritDoc}
     **/
    public boolean isRendezVous() {
        return impl.isRendezVous();
    }
    
    /**
     * @inheritDoc
     **/
    public RendezVousStatus getRendezVousStatus() {
        return impl.getRendezVousStatus();
    }

    /**
     *  {@inheritDoc}
     **/
    public boolean setAutoStart(boolean auto) {
        return impl.setAutoStart(auto);
    }
    
    /**
     *  {@inheritDoc}
     **/
    public boolean setAutoStart(boolean auto, long period) {
        return impl.setAutoStart(auto, period);
    }

    /**
     *  Get the current peerview. This is for debugging purposes only.
     *
     *  @deprecated This is private for debugging and diagnostics only.
     **/
    public PeerView getPeerView() {
        return impl.rpv;
    }
    
    /**
     *  Get the current provider. This is for debugging purposes only.
     *
     *  @deprecated This is private for debugging and diagnostics only.
     **/
    public net.jxta.impl.rendezvous.RendezVousServiceProvider getRendezvousProvider() {
        return impl.getRendezvousProvider();
    }
}