public void acknowledgeMessage(long deliveryTag, boolean multiple)
{
BasicAckBody body = getMethodRegistry().createBasicAckBody(deliveryTag, multiple);
final AMQFrame ackFrame = body.generateFrame(_channelId);
if (_logger.isDebugEnabled())
{
_logger.debug("Sending ack for delivery tag " + deliveryTag + " on channel " + _channelId);
}