Examples of org.jboss.jms.delegate.DeliveryInfo

org.jboss.jms.delegate.DeliveryInfo
Struct like class for holding information regarding a delivery on the client side - this is never passed to the server @author Ovidiu Feodorov$Id: AckInfo.java 1770 2006-12-12 10:49:42Z timfox $

      {
      
         int ackMode = state.getAcknowledgeMode();
         
         Object[] args = mi.getArguments();
         DeliveryInfo info = (DeliveryInfo)args[0];
         
         if (ackMode == Session.CLIENT_ACKNOWLEDGE)
         {
            // We collect acknowledgments in the list
            
            if (trace) { log.trace(this + " added to CLIENT_ACKNOWLEDGE list delivery " + info); }
            
            // Sanity check
            if (info.getConnectionConsumerSession() != null)
            {
               throw new IllegalStateException(
                  "CLIENT_ACKNOWLEDGE cannot be used with a connection consumer");
            }
            
            result = state.addToClientAckList(info);
            state.getAckMap().put(info.getMessageProxy().getMessage().getMessageID(), info);
               
         }
         // if XA and there is no transaction enlisted on XA we will act as AutoAcknowledge
         // However if it's a MDB (if there is a DistinguishedListener) we should behaved as transacted
         else if (ackMode == Session.AUTO_ACKNOWLEDGE || isXAAndConsideredNonTransacted(state))
         {
            // We collect the single acknowledgement in the state. 
                              
            if (trace) { log.trace(this + " added " + info + " to session state"); }
            
            state.setAutoAckInfo(info);         
            state.getAckMap().put(info.getMessageProxy().getMessage().getMessageID(), info);
         }
         else if (ackMode == Session.DUPS_OK_ACKNOWLEDGE)
         {
            if (trace) { log.trace(this + " added to DUPS_OK_ACKNOWLEDGE list delivery " + info); }
            
            state.getClientAckList().add(info);
            state.getAckMap().put(info.getMessageProxy().getMessage().getMessageID(), info);
            
            //Also set here - this would be used for recovery in a message listener
            state.setAutoAckInfo(info);
         }
         else
         {             
            Object txID = state.getCurrentTxId();
      
            if (txID != null)
            {
               // the session is non-XA and transacted, or XA and enrolled in a global transaction. An
               // XA session that has not been enrolled in a global transaction behaves as a
               // transacted session.
               
               ConnectionState connState = (ConnectionState)state.getParent();
      
               if (trace) { log.trace("sending acknowlegment transactionally, queueing on resource manager"); }
      
               // If the ack is for a delivery that came through via a connection consumer then we use
               // the connectionConsumer session as the session id, otherwise we use this sessions'
               // session ID
               
               ClientSessionDelegate connectionConsumerDelegate =
                  (ClientSessionDelegate)info.getConnectionConsumerSession();
               
               String sessionId = connectionConsumerDelegate != null ?
                  connectionConsumerDelegate.getID() : state.getSessionID();
               
               if (connectionConsumerDelegate == null)

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            // It is possible that session.recover() is called inside a message listener onMessage
            // method - i.e. between the invocations of preDeliver and postDeliver. In this case we
            // don't want to acknowledge the last delivered messages - since it will be redelivered.
            if (!state.isRecoverCalled())
            {
               DeliveryInfo delivery = state.getAutoAckInfo();
               
               if (delivery == null)
               {
                  throw new IllegalStateException("Cannot find delivery to AUTO_ACKNOWLEDGE");
               }

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            state.setRecoverCalled(true);
         }
         else if (ackMode == Session.AUTO_ACKNOWLEDGE || ackMode == Session.DUPS_OK_ACKNOWLEDGE || isXAAndConsideredNonTransacted(state))
         {
            DeliveryInfo info = state.getAutoAckInfo();
            
            //Don't recover if it's already to cancel
            
            if (info != null)
            {

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      SessionDelegate del = (SessionDelegate)mi.getTargetObject();
      
      // 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());
         ResourceManager rm = state.getResourceManager();
         
         if (handler == null)
         {
            // This is ok. The original consumer has closed, so we cancel the message

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   {
      MethodInvocation mi = (MethodInvocation)invocation;
      Long messageId = (Long)mi.getArguments()[0];
      
      SessionState state = getState(invocation);
      DeliveryInfo info = state.getAckMap().get(messageId);
      if (info != null)
      {
         info.copyMessage();
      }
      return null;
   }

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   {
      List cancels = new ArrayList();
      
      for (Iterator i = deliveryInfos.iterator(); i.hasNext(); )
      {
         DeliveryInfo ack = (DeliveryInfo)i.next();      
         
         if (ack.isShouldAck())
         {         
           DefaultCancel cancel = new DefaultCancel(ack.getMessageProxy().getDeliveryId(),
                                                    ack.getMessageProxy().getDeliveryCount(),
                                                    false, false);
           
           cancels.add(cancel);
         }
      }

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            if (acknowledgeMode == Session.CLIENT_ACKNOWLEDGE)
            {
               for (Iterator i = getClientAckList().iterator(); i.hasNext();)
               {
                  DeliveryInfo info = (DeliveryInfo)i.next();
                  if (!info.getMessageProxy().getMessage().isReliable())
                  {
                     i.remove();
                     ackMap.remove(info.getMessageProxy().getMessage().getMessageID());
                     log.trace("removed non persistent delivery " + info);
                  }
               }


               ackInfos = getClientAckList();
            }
            else
            {
               DeliveryInfo autoAck = getAutoAckInfo();
               if (autoAck != null)
               {
                  if (!autoAck.getMessageProxy().getMessage().isReliable())
                  {
                     // unreliable, discard
                     setAutoAckInfo(null);
                  }
                  else
                  {
                     // reliable
                     ackInfos = new ArrayList();
                     ackInfos.add(autoAck);
                  }
               }
            }


            log.trace(this + " retrieved " + ackInfos.size() + " deliveries");
         }
         else
         {
            // Transacted session - we need to get the acks from the resource manager. BTW we have
            // kept the old resource manager.


            ackInfos = rm.getDeliveriesForSession(getSessionID());
         }
      }
      }
      finally
      {
         while (rm.failoverLock.isHeldByCurrentThread())
         {
            rm.failoverLock.unlock();
         }
      }


      List recoveryInfos = new ArrayList();
      if (!ackInfos.isEmpty())
      {         
         for (Iterator i = ackInfos.iterator(); i.hasNext(); )
         {
            DeliveryInfo del = (DeliveryInfo)i.next();
            DeliveryRecovery recInfo =
               new DeliveryRecovery(del.getMessageProxy().getDeliveryId(),
                                    del.getMessageProxy().getMessage().getMessageID(),
                                    del.getQueueName());


            recoveryInfos.add(recInfo);        
         }         
      }

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   {
      List acks = new ArrayList();
      
      for (Iterator i = deliveryInfos.iterator(); i.hasNext(); )
      {
         DeliveryInfo ack = (DeliveryInfo)i.next();      
         
         if (ack.isShouldAck())
         {         
           acks.add(ack);
         }
      }

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            iter2 = acks.iterator();


            while (iter2.hasNext())
            {
               DeliveryInfo ack = (DeliveryInfo) iter2.next();


               //We don't want to send acks for things like non durable subs which will have been already acked
               if (ack.isShouldAck())
               {
                  //We only need the delivery id written
                  out.writeLong(ack.getMessageProxy().getDeliveryId());
               }
            }


            //Marker for end of acks
            out.writeLong(Long.MIN_VALUE);

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            serverID = newServerID;


            // Remove any non persistent acks
            for (Iterator i = acks.iterator(); i.hasNext();)
            {
               DeliveryInfo di = (DeliveryInfo) i.next();


               if (!di.getMessageProxy().getMessage().isReliable())
               {
                  if (trace)
                  {
                     log.trace(this + " discarded non-persistent " + di + " on failover");
                  }

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Related Classes of org.jboss.jms.delegate.DeliveryInfo

org.jboss.jms.client.container.ClientConsumer

org.jboss.jms.client.container.SessionAspect

org.jboss.jms.client.state.SessionState

org.jboss.jms.tx.ClientTransaction

org.jboss.jms.tx.ClientTransaction$SessionTxState

org.jboss.jms.tx.ResourceManager

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