Package org.mule.util.queue

Examples of org.mule.util.queue.Queue

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        {
            throw new DispatchException(CoreMessages.objectIsNull("Endpoint"), event,
                getEndpoint());
        }
        QueueSession session = connector.getQueueSession();
        Queue queue = session.getQueue(endpointUri.getAddress());
        if (!queue.offer(event, connector.getQueueTimeout()))
        {
            // queue is full
            throw new DispatchException(VMMessages.queueIsFull(queue.getName(), queue.size()),
                    event, getEndpoint());
        }
        if (logger.isDebugEnabled())
        {
            logger.debug("dispatched MuleEvent on endpointUri: " + endpointUri);
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    {
        if (!endpoint.getExchangePattern().hasResponse())
        {
            // Ensure we can create a vm queue
            QueueSession queueSession = connector.getQueueSession();
            Queue q = queueSession.getQueue(endpoint.getEndpointURI().getAddress());
            if (logger.isDebugEnabled())
            {
                logger.debug("Current queue depth for queue: " + endpoint.getEndpointURI().getAddress() + " is: "
                             + q.size());
            }
        }
    }
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    protected List<MuleMessage> getFirstMessages() throws Exception
    {
        // The queue from which to pull events
        QueueSession qs = connector.getQueueSession();
        Queue queue = qs.getQueue(endpoint.getEndpointURI().getAddress());

        // The list of retrieved messages that will be returned
        List<MuleMessage> messages = new LinkedList<MuleMessage>();

        int batchSize = getBatchSize(queue.size());

        // try to get the first event off the queue
        MuleEvent message = (MuleEvent) queue.poll(connector.getQueueTimeout());

        if (message != null)
        {
            // keep first dequeued event
            messages.add(message.getMessage());

            // keep batching if more events are available
            for (int i = 0; i < batchSize && message != null; i++)
            {
                message = (MuleEvent)queue.poll(0);
                if (message != null)
                {
                    messages.add(message.getMessage());
                }
            }
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    protected MuleEvent getFirstMessage() throws Exception
    {
        // The queue from which to pull events
        QueueSession qs = connector.getQueueSession();
        Queue queue = qs.getQueue(endpoint.getEndpointURI().getAddress());
        // try to get the first event off the queue
        return (MuleEvent) queue.poll(connector.getQueueTimeout());
    }
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    protected MuleMessage doRequest(long timeout) throws Exception
    {
        try
        {
            QueueSession queueSession = connector.getQueueSession();
            Queue queue = queueSession.getQueue(endpoint.getEndpointURI().getAddress());

            if (queue == null)
            {
                if (logger.isDebugEnabled())
                {
                    logger.debug("No queue with name " + endpoint.getEndpointURI().getAddress());
                }
                return null;
            }
            else
            {
                MuleEvent event = null;
                if (logger.isDebugEnabled())
                {
                    logger.debug("Waiting for a message on " + endpoint.getEndpointURI().getAddress());
                }
                try
                {
                    event = (MuleEvent) queue.poll(timeout);
                }
                catch (InterruptedException e)
                {
                    logger.error("Failed to receive message from queue: " + endpoint.getEndpointURI());
                }
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    if (this.closed) {
      throw new MessagingException("Channel is closed");
    }
    try {
      QueueSession qs = container.getQueueSession();
      Queue queue = qs.getQueue(componentName);
      MessageExchange me = (MessageExchange) queue.take();
      if (me != null) {
        handleReceive(me);
      }
      return me;
    } catch (InterruptedException e) {
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    if (this.closed) {
      throw new MessagingException("Channel is closed");
    }
    try {
      QueueSession qs = container.getQueueSession();
      Queue queue = qs.getQueue(componentName);
      MessageExchange me = (MessageExchange) queue.poll(timeout);
      if (me != null) {
        handleReceive(me);
      }
      return me;
    } catch (InterruptedException e) {
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        me.notify();
      }
    } else {
            try {
          QueueSession qs = container.getQueueSession();
          Queue queue = qs.getQueue(componentName);
                queue.put(me);
            } catch (InterruptedException e) {
                logger.error(e);
            }
        }
  }
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        public void run()
        {
            Random rnd = new Random();
            try {
                QueueSession s = mgr.getQueueSession();
                Queue q = s.getQueue(queue);

                for (int i = 0; i < OUTERLOOP; i++) {
                    for (int j = 0; j < INNERLOOP; j++) {
                        byte[] o = new byte[(rnd.nextInt(16) + 1) * OBJSIZE];
                        q.put(o);
                    }
                    while (q.size() > 0) {
                        q.take();
                    }
                }
            } catch (InterruptedException e) {
                e.printStackTrace();
            }
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    protected MuleMessage doRequest(long timeout) throws Exception
    {
        try
        {
            QueueSession queueSession = connector.getTransactionalResource(endpoint);
            Queue queue = queueSession.getQueue(endpoint.getEndpointURI().getAddress());

            if (queue == null)
            {
                if (logger.isDebugEnabled())
                {
                    logger.debug("No queue with name " + endpoint.getEndpointURI().getAddress());
                }
                return null;
            }
            else
            {
                MuleEvent event = null;
                if (logger.isDebugEnabled())
                {
                    logger.debug("Waiting for a message on " + endpoint.getEndpointURI().getAddress());
                }
                try
                {
                    event = (MuleEvent) queue.poll(timeout);
                }
                catch (InterruptedException e)
                {
                    logger.error("Failed to receive message from queue: " + endpoint.getEndpointURI());
                }
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Related Classes of org.mule.util.queue.Queue

  • org.mule.jbi.messaging.DeliveryChannelImpl
  • org.mule.test.util.queue.BenchmarkTestCase$Worker
  • org.mule.transport.vm.VMMessageDispatcher
  • org.mule.transport.vm.VMMessageReceiver
  • org.mule.transport.vm.VMMessageRequester
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