code: @Override
  	public TemporaryTopic createTemporaryTopic() throws JMSException
      {
      	externalAccessLock.readLock().lock();
      	try
  		{
  	        checkNotClosed();
  	        String topicName = "TEMP-TOPIC-"+UUIDProvider.getInstance().getShortUUID();
  	        engine.createTemporaryTopic(topicName);
  	        connection.registerTemporaryTopic(topicName);
  	        
  	        return new TemporaryTopicRef(connection,topicName);
  		}
      	finally
      	{
      		externalAccessLock.readLock().unlock();
      	}
      }
docs: /* (non-Javadoc)
  @see javax.jms.Session#createTemporaryTopic()