Examples of org.jboss.remoting.callback.Callback

org.jboss.remoting.callback.Callback
This is the class to use for sending callback payloads from the server handler to the callback listener. @author Tom Elrod

         Object parameter = invocation.getParameter();
         if (SEND_CALLBACK.equals(parameter))
         {
            try
            {
               callbackHandler.handleCallback(new Callback("callback"));
            }
            catch (HandleCallbackException e)
            {
               log.error("unable to send callback", e);
            }

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         client.invoke(new OnewayCallbackTrigger("blip"));


         // make sure we get the callback


         Callback c = callbackHandler.getNextCallback(3000);


         assertNotNull(c);
         assertEquals("blip", c.getParameter());


         // sleep for twice the timeout, to be sure
         long sleepTime = ServerInvoker.DEFAULT_TIMEOUT_PERIOD + 60000;
         log.info("sleeping for " + (sleepTime / 60000) + " minutes ...");


         Thread.sleep(sleepTime);


         log.debug("woke up");


         client.invoke(new OnewayCallbackTrigger("blop"));


         // make sure we get the callback


         c = callbackHandler.getNextCallback(3000);


         assertNotNull(c);
         assertEquals("blop", c.getParameter());


      }
      finally
      {
         if (client != null)

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         log.info("sent invocation");


         // make sure we get the callback


         Callback c = callbackHandler.getNextCallback(3000);


         assertNotNull(c);
         assertEquals("blip", c.getParameter());


         log.info("sleeping for " + (sleepTime / 60000) + " minutes ...");


         Thread.sleep(sleepTime);


         log.debug("woke up");


         // make sure we get the second callback


         c = callbackHandler.getNextCallback(20000);


         assertNotNull(c);
         assertEquals("blip1", c.getParameter());


      }
      finally
      {
         if (client != null)

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         if(callbackContainer != null && callbackContainer.getCallbackHandler() != null)
         {
            Object[] params = param.getParameters();
            
            Callback callbackRequest = (Callback) params[0];
                                    
            Object obj = callbackContainer.getCallbackHandleObject();
            
            if (obj != null)
            {
               Map callbackHandleObject = callbackRequest.getReturnPayload();
               
               if(callbackHandleObject == null)
               {
                  callbackHandleObject = new HashMap();
               }
                              
               //We only want to add it if it is not null otherwise is a redundant operation
               callbackHandleObject.put(Callback.CALLBACK_HANDLE_OBJECT_KEY,
                                        obj);
               
               callbackRequest.setReturnPayload(callbackHandleObject);
            }
            
            InvokerCallbackHandler callbackHandler = callbackContainer.getCallbackHandler();
            
            callbackHandler.handleCallback(callbackRequest);

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      // We send the message to the client on the current thread. The message is written onto the
      // transport and then the thread returns immediately without waiting for a response.


      ClientDelivery del = new ClientDelivery(ref.getMessage(), consumer.getID(), deliveryID, ref.getDeliveryCount());


      Callback callback = new Callback(del);


      try
      {
         // one way invocation, no acknowledgment sent back by the client
         if (trace) { log.trace(this + " submitting message " + ref.getMessage() + " to the remoting layer to be sent asynchronously"); }

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                  if (trace) { log.trace("Params is " + params); }
                  
                  if (params != null && params.length > 0 && params[0] instanceof Callback)
                  {
                     Callback callback = (Callback) params[0];
                     
                     if (trace) { log.trace("It's a callback: " + callback); }
                     
                     if (callback.getParameter() instanceof ClientDelivery)
                     {                        
                        packet = (ClientDelivery)callback.getParameter();
                        
                        if (trace) { log.trace("Message delivery callback"); }
                     }
                     else if (callback.getParameter() instanceof ConnectionFactoryUpdate)
                     {
                        packet = (ConnectionFactoryUpdate)callback.getParameter();
                        
                        if (trace) { log.trace("Connection factory update callback"); }
                     }
                  }
               }

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               throw new IllegalStateException(("Can't deal with methodId=" + id));
         }
         
         cs.read(is);
         
         Callback cb = new Callback(cs);
                  
         callbacks.add(cb);
      }      
   }

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      Iterator iter = callbacks.iterator();
      
      while (iter.hasNext())
      {
         Callback cb = (Callback)iter.next();


         CallbackSupport cs = (CallbackSupport) cb.getParameter();
         
         cs.write(os);  
      }
      
      os.flush();

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   public Object getPayload()
   {
      // Basically remoting forces us to create this ridiculous pile of objects
      // just to do a callback
      
      Callback callback = new Callback(this);


      InternalInvocation ii = new InternalInvocation(InternalInvocation.HANDLECALLBACK,
                                                     new Object[]{callback});


      OnewayInvocation oi = new OnewayInvocation(ii);

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      log.debug("updateClusteredClients being called!!! clientFactoriesToUpdate.size = " + handlers.size());


      ConnectionFactoryUpdate message =
         new ConnectionFactoryUpdate(uniqueName, delegates, failoverMap);


      Callback callback = new Callback(message);


      for (InvokerCallbackHandler o: handlers)
      {
         log.debug("Updating CF on callback " + o);
         ((ServerInvokerCallbackHandler)o).handleCallbackOneway(callback);

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Related Classes of org.jboss.remoting.callback.Callback

org.jboss.jms.server.endpoint.ServerConnectionFactoryEndpoint

org.jboss.jms.server.endpoint.ServerSessionEndpoint

org.jboss.jms.wireformat.CallbackSupport

org.jboss.jms.wireformat.JMSWireFormat

org.jboss.jms.wireformat.PolledCallbacksDelivery

org.jboss.remoting.Client

org.jboss.remoting.InvokerLocator

org.jboss.remoting.samples.callback.acknowledgement.CallbackAcknowledgeClient

org.jboss.remoting.samples.callback.acknowledgement.CallbackAcknowledgeServer$TestInvoocationHandler

org.jboss.remoting.samples.callback.CallbackClient

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