code: public MessageQueue getMessageQueue(String strQueueName, String strQueueType)
      {   // Look up the message Queue!
          return (BaseMessageQueue)m_messageMap.get(strQueueName);
      }
docs: Get this Message Queue (or create one if this name doesn't exist).
  Override this to supply the correct message queue if it hasn't already been built.
  @param strQueueName The queue name to lookup.
  @param strQueueType The queue type if this queue needs to be created.
  @return The message queue.