Examples of org.jboss.remoting.callback.ServerInvokerCallbackHandler

org.jboss.remoting.callback.ServerInvokerCallbackHandler
Responsible for all callbacks in remoting at invoker level (on the server side). This is created within the ServerInvoker and passed to the server handler as a proxy for the client's callback handler.
Will determin internally if is using pull or push mechanism for delivering callbacks. If is push, will create a Client to call back on the callback server. @author Tom Elrod

   {
      started = false;


      for(Iterator i = callbackHandlers.values().iterator(); i.hasNext(); )
      {
         ServerInvokerCallbackHandler callbackHandler = (ServerInvokerCallbackHandler)i.next();
         callbackHandler.destroy();
      }


      log.debug(this + " stopped");
   }

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               "Can not accept a callback listener since there are no ServerInvocationHandlers " +
               "registered. Please add via xml configuration or via the Connector's " +
               "addInvocationHandler() method.");


         }
         ServerInvokerCallbackHandler callbackHandler = getCallbackHandler(invocation);
         if (registerCallbackListeners)
         {
            connectionNotifier.addListenerFirst(callbackHandler);
         }
         handler.addListener(callbackHandler);
      }
      else if(InternalInvocation.REMOVELISTENER.equals(methodName))
      {
         ServerInvokerCallbackHandler callbackHandler = removeCallbackHandler(invocation);
         if(callbackHandler != null)
         {
            if(handler == null)
            {
               throw new InvalidConfigurationException(
                  "Can not remove a callback listener since there are no ServerInvocationHandlers " +
                  "registered.  Please add via xml configuration or via the Connector's " +
                  "addInvocationHandler() method.");
            }
            if (registerCallbackListeners)
            {
               connectionNotifier.removeListener(callbackHandler);
            }
            handler.removeListener(callbackHandler);


            if(trace) { log.trace("ServerInvoker (" + this + ") removing server callback handler " + callbackHandler + "."); }


            callbackHandler.destroy();
         }
         else
         {
            String sessionId = ServerInvokerCallbackHandler.getId(invocation);
            throw new RuntimeException("Can not remove callback listener from target server with " +
               "id of " + sessionId + " as it does not exist as a registered callback listener.");
         }
      }
      else if(InternalInvocation.GETCALLBACKS.equals(methodName))
      {
         ServerInvokerCallbackHandler callbackHandler = getCallbackHandler(invocation);
         if(trace) { log.trace("ServerInvoker (" + this + ") getting callbacks for callback handler " + callbackHandler + "."); }
         result = callbackHandler.getCallbacks(invocation.getRequestPayload());
      }
      else if(InternalInvocation.ACKNOWLEDGECALLBACK.equals(methodName))
      {
         ServerInvokerCallbackHandler callbackHandler = getCallbackHandler(invocation);
         if(trace) { log.trace("ServerInvoker (" + this + ") acknowledge callback on callback handler " + callbackHandler + "."); }
         callbackHandler.acknowledgeCallbacks(param);
      }
      else if(InternalInvocation.ADDCLIENTLISTENER.equals(methodName))
      {
         String sessionId = ServerInvokerCallbackHandler.getId(invocation);
         Object[] params = param.getParameters();

View Full Code Here

   }


   private ServerInvokerCallbackHandler getCallbackHandler(InvocationRequest invocation)
      throws Exception
   {
      ServerInvokerCallbackHandler callbackHandler = null;
      String id = ServerInvokerCallbackHandler.getId(invocation);
      synchronized(callbackHandlers)
      {
         callbackHandler = (ServerInvokerCallbackHandler)callbackHandlers.get(id);


         // if does not exist, create it
         if(callbackHandler == null)
         {
            callbackHandler = new ServerInvokerCallbackHandler(invocation, getLocator(), this);
            callbackHandlers.put(id, callbackHandler);
         }
      }


      callbackHandler.connect();
      if(trace) { log.trace("ServerInvoker (" + this + ") adding server callback handler " + callbackHandler + " with id of " + id + "."); }
      return callbackHandler;
   }

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   }


   private ServerInvokerCallbackHandler removeCallbackHandler(InvocationRequest invocation)
   {
      String id = ServerInvokerCallbackHandler.getId(invocation);
      ServerInvokerCallbackHandler callbackHandler = null;


      synchronized(callbackHandlers)
      {
         callbackHandler = (ServerInvokerCallbackHandler) callbackHandlers.remove(id);
      }

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   {                 
      log.debug("adding callback handler " + callbackHandler);
      
      if (callbackHandler instanceof ServerInvokerCallbackHandler)
      {
         ServerInvokerCallbackHandler h = (ServerInvokerCallbackHandler)callbackHandler;
         String sessionId = h.getClientSessionId();
         
         synchronized(callbackHandlers)
         {
            if (callbackHandlers.containsKey(sessionId))
            {

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      CallbackRequestSupport cReq =
         (CallbackRequestSupport)request;


      String remotingSessionId = cReq.getRemotingSessionID();


      ServerInvokerCallbackHandler callbackHandler = null;
      synchronized(callbackHandlers)
      {
               callbackHandler = (ServerInvokerCallbackHandler)callbackHandlers.get(remotingSessionId);
      }
      if (callbackHandler != null)

View Full Code Here

   {
      started = false;


      for(Iterator i = callbackHandlers.values().iterator(); i.hasNext(); )
      {
         ServerInvokerCallbackHandler callbackHandler = (ServerInvokerCallbackHandler)i.next();
         callbackHandler.destroy();
      }


      log.debug(this + " stopped");
   }

View Full Code Here

               "Can not accept a callback listener since there are no ServerInvocationHandlers " +
               "registered. Please add via xml configuration or via the Connector's " +
               "addInvocationHandler() method.");


         }
         ServerInvokerCallbackHandler callbackHandler = getCallbackHandler(invocation);
         if (registerCallbackListeners)
         {
            connectionNotifier.addListenerFirst(callbackHandler);
         }
         handler.addListener(callbackHandler);
      }
      else if(InternalInvocation.REMOVELISTENER.equals(methodName))
      {
         ServerInvokerCallbackHandler callbackHandler = removeCallbackHandler(invocation);
         if(callbackHandler != null)
         {
            if(handler == null)
            {
               throw new InvalidConfigurationException(
                  "Can not remove a callback listener since there are no ServerInvocationHandlers " +
                  "registered.  Please add via xml configuration or via the Connector's " +
                  "addInvocationHandler() method.");
            }
            if (registerCallbackListeners)
            {
               connectionNotifier.removeListener(callbackHandler);
            }
            handler.removeListener(callbackHandler);


            if(trace) { log.trace("ServerInvoker (" + this + ") removing server callback handler " + callbackHandler + "."); }


            callbackHandler.destroy();
         }
         else
         {
            String sessionId = ServerInvokerCallbackHandler.getId(invocation);
            throw new RuntimeException("Can not remove callback listener from target server with " +
               "id of " + sessionId + " as it does not exist as a registered callback listener.");
         }
      }
      else if(InternalInvocation.GETCALLBACKS.equals(methodName))
      {
         ServerInvokerCallbackHandler callbackHandler = getCallbackHandler(invocation);
         if(trace) { log.trace("ServerInvoker (" + this + ") getting callbacks for callback handler " + callbackHandler + "."); }
         result = callbackHandler.getCallbacks(invocation.getRequestPayload());
      }
      else if(InternalInvocation.ACKNOWLEDGECALLBACK.equals(methodName))
      {
         ServerInvokerCallbackHandler callbackHandler = getCallbackHandler(invocation);
         if(trace) { log.trace("ServerInvoker (" + this + ") acknowledge callback on callback handler " + callbackHandler + "."); }
         callbackHandler.acknowledgeCallbacks(param);
      }
      else if(InternalInvocation.ADDCLIENTLISTENER.equals(methodName))
      {
         String sessionId = ServerInvokerCallbackHandler.getId(invocation);
         Object[] params = param.getParameters();

View Full Code Here

   }


   private ServerInvokerCallbackHandler getCallbackHandler(InvocationRequest invocation)
      throws Exception
   {
      ServerInvokerCallbackHandler callbackHandler = null;
      String id = ServerInvokerCallbackHandler.getId(invocation);
      synchronized(callbackHandlers)
      {
         callbackHandler = (ServerInvokerCallbackHandler)callbackHandlers.get(id);


         // if does not exist, create it
         if(callbackHandler == null)
         {
            callbackHandler = new ServerInvokerCallbackHandler(invocation, getLocator(), this);
            callbackHandlers.put(id, callbackHandler);
         }
      }


      callbackHandler.connect();
      if(trace) { log.trace("ServerInvoker (" + this + ") adding server callback handler " + callbackHandler + " with id of " + id + "."); }
      return callbackHandler;
   }

View Full Code Here

   }


   private ServerInvokerCallbackHandler removeCallbackHandler(InvocationRequest invocation)
   {
      String id = ServerInvokerCallbackHandler.getId(invocation);
      ServerInvokerCallbackHandler callbackHandler = null;


      synchronized(callbackHandlers)
      {
         callbackHandler = (ServerInvokerCallbackHandler) callbackHandlers.remove(id);
      }

View Full Code Here

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