Пример #1
0
  public boolean callback(final long deliveryTag, QueueEntry message) throws AMQException {

    message.setRedelivered();
    final Subscription subscription = message.getDeliveredSubscription();
    if (subscription != null) {
      // Consumer exists
      if (!subscription.isClosed()) {
        _msgToResend.put(deliveryTag, message);
      } else // consumer has gone
      {
        _msgToRequeue.put(deliveryTag, message);
      }
    } else {
      // Message has no consumer tag, so was "delivered" to a GET
      // or consumer no longer registered
      // cannot resend, so re-queue.
      if (!message.isQueueDeleted()) {
        if (_requeueIfUnabletoResend) {
          _msgToRequeue.put(deliveryTag, message);
        } else {

          dequeueEntry(message);
          _log.info("No DeadLetter Queue and requeue not requested so dropping message:" + message);
        }
      } else {
        dequeueEntry(message);
        _log.warn("Message.queue is null and no DeadLetter Queue so dropping message:" + message);
      }
    }

    // false means continue processing
    return false;
  }
Пример #2
0
  private void dequeueEntry(final QueueEntry node, ServerTransaction txn) {
    txn.dequeue(
        node.getQueue(),
        node.getMessage(),
        new ServerTransaction.Action() {

          public void postCommit() {
            node.discard();
          }

          public void onRollback() {}
        });
  }