Package org.mule.util.queue

Examples of org.mule.util.queue.Queue.poll()

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        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());
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            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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    {
        // 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());
    }

    @Override
    protected void processMessage(Object msg) throws Exception
    {
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                {
                    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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      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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                {
                    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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        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
            ((DefaultMuleMessage)message.getMessage()).setMuleContext(endpoint.getMuleContext());
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            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(new DefaultMuleMessage(message.getMessage(), endpoint.getMuleContext()));
                }
            }
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    {
        // The queue from which to pull events
        QueueSession qs = connector.getTransactionalResource(endpoint);
        Queue queue = qs.getQueue(endpoint.getEndpointURI().getAddress());
        // try to get the first event off the queue
        return (MuleEvent) queue.poll(connector.getQueueTimeout());
    }

    @Override
    protected boolean hasNoMessages()
    {
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