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From go canal <>
Subject Re: dynamic topic and listener
Date Mon, 12 Apr 2010 10:32:42 GMT
I guess:

- to be able to delete the Topic/Queue, I should create the temporaryTopic/temporaryQueue
- then create the MessageConsumer:
      consumer = session.createConsumer (topic);
- set the lsitener
consumer.setMessageListener (this);

Am I correct ?

From: go canal <>
Sent: Sun, April 11, 2010 2:04:20 PM
Subject: dynamic topic and listener

googled but still can not get detailed enough info.

my use case is that a chat room needs to be dynamically created, so a dynamic listener.

how do I do this in Java ? mentioned that we can use
session.createTopic() to create a dynamic topic. So I assume that we can first have a static
queue newChatRoom, with a listener who will create the dynamic topic:
public void onMessage(Message message, Session session) throws JMSException {
Topic topic = session.createTopic ("newTopic");

But how do I register a new listener for this dynamic topic ?
Another question, how do I delete the topic when all people left the room ?

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