Examples of org.jboss.jms.message.MessageProxy

org.jboss.jms.message.MessageProxy
MessageProxy is a thin proxy for JBossMessage. JMS Users actually handle MessageProxy instances rather than JBossMessage instances. The purpose of this class and subclasses is to prevent unnecessary copying of a message. After a message is sent, the message can be changed, but this should not affect the sent message. This class accomplishes this by intercepting any methods which change the state of the message and copying either the headers, jms properties or body as appropriate. This enables up to make the minimum amount of copies while still preserving JMS semantics. Similarly on receive. See JMS1.1 Spec 3.9, 3.10 for more details. If nothing is changed, nothing is copied. @author Tim FoxMessageProxy.java,v 1.1 2006/03/08 08:00:34 timfox Exp


         if (!acks.isEmpty())
         {
            DeliveryInfo info = (DeliveryInfo)acks.get(0);


            MessageProxy mp = info.getMessageProxy();


            SessionDelegate del = mp.getSessionDelegate();


            del.redeliver(acks);
         }
      }
   }

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         }
      }
      else
      {
         // get the actual message
         MessageProxy proxy = (MessageProxy)m;


         m.setJMSDestination(destination);
         
         //Get the underlying message
         messageToSend = proxy.getMessage();


         proxy.beforeSend();
      }


      // Set the new id


      if (!keepID)

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      // Need to be redelivered in reverse order.
      for (int i = toRedeliver.size() - 1; i >= 0; i--)
      {
         DeliveryInfo info = (DeliveryInfo)toRedeliver.get(i);
         MessageProxy proxy = info.getMessageProxy();        
         
         ClientConsumer handler = state.getCallbackHandler(info.getConsumerId());
         
         if (handler == null)
         {

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   public Object handleCreateMessage(Invocation invocation) throws Throwable
   {
      JBossMessage jbm = new JBossMessage(0);
       
      return new MessageProxy(jbm);
   }

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      MethodInvocation mi = (MethodInvocation)invocation;
      
      // Load the session with a message to be processed during a subsequent call to run()


      MessageProxy m = (MessageProxy)mi.getArguments()[0];
      String theConsumerID = (String)mi.getArguments()[1];
      String queueName = (String)mi.getArguments()[2];
      int maxDeliveries = ((Integer)mi.getArguments()[3]).intValue();
      SessionDelegate connectionConsumerDelegate = ((SessionDelegate)mi.getArguments()[4]);
      boolean shouldAck = ((Boolean)mi.getArguments()[5]).booleanValue();

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         }
      }
      else
      {
         // get the actual message
         MessageProxy proxy = (MessageProxy)m;


         m.setJMSDestination(destination);
         
         //Get the underlying message
         messageToSend = proxy.getMessage();


         proxy.beforeSend();
      }


      // Set the new id


      if (!keepID)

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   // Private -------------------------------------------------------


   private void receiveMessage(String text, MessageConsumer consumer, boolean shouldAssert, boolean shouldBeNull) throws Exception
   {
      MessageProxy message = (MessageProxy) consumer.receive(3000);
      TextMessage txtMessage = (TextMessage) message;
      if (message != null)
      {
         log.info(text + ": messageID from messageReceived=" + message.getMessage().getMessageID() + " message = " + message + " content=" + txtMessage.getText());
      }
      else
      {
         log.info(text + ": Message received was null");
      }

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      // Need to be redelivered in reverse order.
      for (int i = toRedeliver.size() - 1; i >= 0; i--)
      {
         DeliveryInfo info = (DeliveryInfo)toRedeliver.get(i);
         MessageProxy proxy = info.getMessageProxy();        
         
         ClientConsumer handler = state.getCallbackHandler(info.getConsumerId());
         
         if (handler == null)
         {

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   public Object handleCreateMessage(Invocation invocation) throws Throwable
   {
      JBossMessage jbm = new JBossMessage(0);
       
      return new MessageProxy(jbm);
   }

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      MethodInvocation mi = (MethodInvocation)invocation;
      
      // Load the session with a message to be processed during a subsequent call to run()


      MessageProxy m = (MessageProxy)mi.getArguments()[0];
      String theConsumerID = (String)mi.getArguments()[1];
      String queueName = (String)mi.getArguments()[2];
      int maxDeliveries = ((Integer)mi.getArguments()[3]).intValue();
      SessionDelegate connectionConsumerDelegate = ((SessionDelegate)mi.getArguments()[4]);
      boolean shouldAck = ((Boolean)mi.getArguments()[5]).booleanValue();

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Related Classes of org.jboss.jms.message.MessageProxy

org.jboss.jms.client.container.ClientConsumer

org.jboss.jms.client.container.ClientConsumer$HandleMessageRunnable

org.jboss.jms.client.container.ClientConsumer$ListenerRunner

org.jboss.jms.client.container.ProducerAspect

org.jboss.jms.client.container.SessionAspect

org.jboss.jms.client.JBossConnectionConsumer

org.jboss.jms.client.remoting.CallbackManager

org.jboss.jms.client.remoting.MessageCallbackHandler

org.jboss.jms.client.remoting.MessageCallbackHandler$ListenerRunner

org.jboss.jms.tx.ResourceManager

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