Examples of org.jgroups.blocks.MessageDispatcher$ProtocolAdapter

org.jgroups.blocks.MessageDispatcher
Provides synchronous and asynchronous message sending with request-response correlation; i.e., matching responses with the original request. It also offers push-style message reception (by internally using the PullPushAdapter).
Channels are simple patterns to asynchronously send a receive messages. However, a significant number of communication patterns in group communication require synchronous communication. For example, a sender would like to send a message to the group and wait for all responses. Or another application would like to send a message to the group and wait only until the majority of the receivers have sent a response, or until a timeout occurred. MessageDispatcher offers a combination of the above pattern with other patterns.
Used on top of channel to implement group requests. Client's handle() method is called when request is received. Is the equivalent of RpcProtocol on the application instead of protocol level. @author Bela Ban

  private void prepareJGroupsChannel() throws Exception {
    channel = new JChannel( ConfigurationParseHelper.locateConfig( "testing-flush-loopback.xml" ) );
    channel.connect( CHANNEL_NAME );
    JGroupsReceiver listener = new JGroupsReceiver(getSearchFactoryImpl());
    MessageListenerToRequestHandlerAdapter adapter = new MessageListenerToRequestHandlerAdapter( listener );
    MessageDispatcher standardDispatcher = new MessageDispatcher( channel, listener, listener, adapter );
  }

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            channel = new JChannel(channelConfig);


            channel.setOpt(Channel.AUTO_RECONNECT, Boolean.TRUE);
            channel.setOpt(Channel.AUTO_GETSTATE, Boolean.TRUE);


            dispatcher = new MessageDispatcher(channel, null, null, null);


            dispatcher.setRequestHandler(this);
            dispatcher.setMembershipListener(this);
         }
      }

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            channel = new JChannel(channelConfig);


            channel.setOpt(Channel.AUTO_RECONNECT, Boolean.TRUE);
            channel.setOpt(Channel.AUTO_GETSTATE, Boolean.TRUE);


            dispatcher = new MessageDispatcher(channel, null, null, null);


            dispatcher.setRequestHandler(this);
            dispatcher.setMembershipListener(this);
         }
      }

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      }


      ClassLoader cl = (ClassLoader) props.get( CLASSLOADER );
      MessageListener wrapper = ( cl != null ) ? new ClassloaderMessageListener( listener, cl ) : listener;
      MessageListenerToRequestHandlerAdapter adapter = new MessageListenerToRequestHandlerAdapter( wrapper );
      MessageDispatcher dispatcher = new MuxMessageDispatcher( muxId, channel, wrapper, listener, adapter );
      sender = new DispatcherMessageSender( dispatcher );
    }
    else {
      // TODO -- perhaps port previous multi-handling?
      channel.setReceiver( listener );

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      }


      ClassLoader cl = (ClassLoader) props.get( CLASSLOADER );
      MessageListener wrapper = ( cl != null ) ? new ClassloaderMessageListener( listener, cl ) : listener;
      MessageListenerToRequestHandlerAdapter adapter = new MessageListenerToRequestHandlerAdapter( wrapper );
      MessageDispatcher dispatcher = new MuxMessageDispatcher( muxId, channel, wrapper, listener, adapter );
      sender = new DispatcherMessageSender( dispatcher );
    }
    else {
      MessageListenerToRequestHandlerAdapter adapter = new MessageListenerToRequestHandlerAdapter( listener );
      MessageDispatcher standardDispatcher = new MessageDispatcher( channel, listener, listener, adapter );
      sender = new DispatcherMessageSender( standardDispatcher );
    }


    masterNodeSelector.setLocalAddress( channel.getAddress() );

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         SecurityHelper.doPrivilegedExceptionAction(new PrivilegedExceptionAction<Void>()
         {
            public Void run() throws Exception
            {
               channel = createChannel();
               dispatcher = new MessageDispatcher(channel, null, AbstractRPCService.this, AbstractRPCService.this);
               channel.connect(clusterName);
               return null;
            }
         });
      }

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         {
            public Void run() throws Exception
            {
               channel = new JChannel(configurator);
               channel.setOpt(Channel.AUTO_RECONNECT, true);
               dispatcher = new MessageDispatcher(channel, null, RPCServiceImpl.this, RPCServiceImpl.this);
               channel.connect(clusterName);
               return null;
            }
         });
      }

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            JChannelFactory channelFactory = new JChannelFactory(props);
            clusterChannel = (JChannel) channelFactory.createChannel();
            // Disable delivery of messages we send to ourself.
            clusterChannel.setOpt(Channel.LOCAL, Boolean.FALSE);
            //clusterChannel.setOpt(Channel.AUTO_RECONNECT, Boolean.TRUE);
            broadcastDispatcher = new MessageDispatcher(clusterChannel, null, clusterMembershipListener, this);
            clusterChannel.connect(clusterId);
        }
        catch (ChannelException cex)
        {           
            ClusterException cx = new ClusterException();

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    this.id = id;
    this.context = context;
    this.stateful = stateful;
    this.membershipListener = membershipListener;
    
    this.dispatcher = new MessageDispatcher(channel, this, this, this);
    this.timeout = timeout;
  }

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      MessageListenerToRequestHandlerAdapter adapter = new MessageListenerToRequestHandlerAdapter( wrapper );
      dispatcher = new MuxMessageDispatcher( muxId, channel, wrapper, listener, adapter );
    }
    else {
      MessageListenerToRequestHandlerAdapter adapter = new MessageListenerToRequestHandlerAdapter( listener );
      dispatcher = new MessageDispatcher( channel, listener, listener, adapter );
    }


    masterNodeSelector.setLocalAddress( channel.getAddress() );


    if ( !channel.flushSupported() ) {

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