Examples of org.jgroups.blocks.RpcDispatcher

org.jgroups.blocks.RpcDispatcher
This class allows a programmer to invoke remote methods in all (or single) group members and optionally wait for the return value(s). An application will typically create a channel and layer the RpcDispatcher building block on top of it, which allows it to dispatch remote methods (client role) and at the same time be called by other members (server role). This class is derived from MessageDispatcher. Is the equivalent of RpcProtocol on the application rather than protocol level. @author Bela Ban

         log.info("JGroups version: " + org.jgroups.Version.printDescription());


         try {
            ch = new JChannel(configFile);


            disp = new RpcDispatcher(ch, null, this, this);
            disp.setMethodLookup(new MethodLookup() {
               public Method findMethod(short id) {
                  return METHODS[id];
               }
            });

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                throw new Exception("No MBeanServers found;" +
                                    "\nJmxTest needs to be run with an MBeanServer present, or inside JDK 5"); }
            MBeanServer server=(MBeanServer)servers.get(0);
            JmxConfigurator.registerChannel(channel, server, "JGroups:channel=" + channel.getChannelName() , true);
*/
            disp = new RpcDispatcher(channel, ml, this, this);
            disp.setMarshaller(getMarshaller());
            
            // See if Anycast is supported
            try
            {

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      {
         disp = new InactiveRegionAwareRpcDispatcher(channel, messageListener, new MembershipListenerAdaptor(), remoteDelegate);
      }
      else
      {
         disp = new RpcDispatcher(channel, messageListener, new MembershipListenerAdaptor(), remoteDelegate);
      }


      disp.setRequestMarshaller(marshaller);
      disp.setResponseMarshaller(marshaller);
   }

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                throw new Exception("No MBeanServers found;" +
                                    "\nJmxTest needs to be run with an MBeanServer present, or inside JDK 5"); }
            MBeanServer server=(MBeanServer)servers.get(0);
            JmxConfigurator.registerChannel(channel, server, "JGroups:channel=" + channel.getChannelName() , true);
*/
            disp = new RpcDispatcher(channel, ml, this, this);
            disp.setMarshaller(getMarshaller());


            // See if Anycast is supported
            try
            {

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                throw new Exception("No MBeanServers found;" +
                                    "\nJmxTest needs to be run with an MBeanServer present, or inside JDK 5"); }
            MBeanServer server=(MBeanServer)servers.get(0);
            JmxConfigurator.registerChannel(channel, server, "JGroups:channel=" + channel.getChannelName() , true);
*/
            disp = new RpcDispatcher(channel, ml, this, this);
            disp.setMarshaller(getMarshaller());
            
            // See if Anycast is supported
            try
            {

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                throw new Exception("No MBeanServers found;" +
                                    "\nJmxTest needs to be run with an MBeanServer present, or inside JDK 5"); }
            MBeanServer server=(MBeanServer)servers.get(0);
            JmxConfigurator.registerChannel(channel, server, "JGroups:channel=" + channel.getChannelName() , true);
*/
            disp = new RpcDispatcher(channel, ml, this, this);
            disp.setMarshaller(getMarshaller());
            
            // See if Anycast is supported
            try
            {

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     * @throws Exception
     */
    public void testOneChannel() throws Exception {
        c1 = createChannel(true);
        ServerObject serverObject = new ServerObject("obj1");
        RpcDispatcher disp=new RpcDispatcher(c1, serverObject);
        serverObject.setRpcDispatcher(disp);
        c1.connect(name);
        Address localAddress = c1.getAddress();


        // call the nested group method on itself
        MethodCall call = new MethodCall("outerMethod", new Object[0], new Class[0]);
        log("calling outerMethod() on all members");
        RspList rspList = disp.callRemoteMethods(null, call, new RequestOptions(ResponseMode.GET_ALL, 0));
        log("results of outerMethod(): " + rspList);


        Assert.assertEquals(1, rspList.size());
        assertEquals("outerMethod[innerMethod]", rspList.getValue(localAddress));
        assertTrue(rspList.isReceived(localAddress));

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    public void testTwoChannels() throws Throwable {
        ServerObject obj1, obj2 = null;


        c1 = createChannel(true);
        obj1 = new ServerObject("obj1");
        RpcDispatcher disp1=new RpcDispatcher(c1, obj1);
        obj1.setRpcDispatcher(disp1);
        c1.connect(name);


        c2 = createChannel(c1);
        obj2 = new ServerObject("obj2");
        RpcDispatcher disp2=new RpcDispatcher(c2, obj2);
        obj2.setRpcDispatcher(disp2);
        c2.connect(name);
        Address localAddress2 = c2.getAddress();


        // call a point-to-point method on Member 2 that triggers a nested distributed RPC

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    public void testTwoChannelsWithInitialMulticast() throws Exception {
        ServerObject obj1, obj2 = null;


        c1 = createChannel(true);
        obj1 = new ServerObject("obj1");
        RpcDispatcher disp1=new RpcDispatcher(c1, obj1);
        obj1.setRpcDispatcher(disp1);
        c1.connect(name);


        c2 = createChannel(c1);
        obj2 = new ServerObject("obj2");
        RpcDispatcher disp2=new RpcDispatcher(c2, obj2);
        obj2.setRpcDispatcher(disp2);
        c2.connect(name);


        Vector<Address> dests=new Vector<Address>();
        dests.add(c1.getAddress());

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    protected void setUp() throws Exception {
      a = createNode(LON, "A");
      b = createNode(LON, "B");
      al=new MyReceiver("A");
      bl=new MyReceiver("B");
      rpca = new RpcDispatcher(a, al, al, new ServerObject(a, 1));
      rpcb = new RpcDispatcher(b, bl, bl, new ServerObject(b, 1));
      
      x = createNode(SFO, "X");
      y = createNode(SFO, "Y");
      xl=new MyReceiver("X");
      yl=new MyReceiver("Y");
      rpcx = new RpcDispatcher(x, xl, xl, new ServerObject(x, 1));
      rpcy = new RpcDispatcher(y, yl, yl, new ServerObject(y, 1));
    }

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