Neil;
This is the case with most implementations. Topics can
be dynamically defined and used. Queues, however, seem
to always require pre-creating.
//Nicholas
--- Neil Benn <[EMAIL PROTECTED]> wrote:
> Hello,
>
> I'm witnessing some strange behaviour and am
> wondering if someone could
> clarify a point for me. I'm creating a topic
> subscriber using the
> commands:-
>
> oMyTopicConnectionFactory =
>
(TopicConnectionFactory)oLookUps.jndiLookup(oLookUps.TOPICCONFAC);
> oMyTopicConnection =
> oMyTopicConnectionFactory.createTopicConnection();
> oMyTopicSession =
> oMyTopicConnection.createTopicSession(false,
> Session.AUTO_ACKNOWLEDGE);
> oMyTopicConnection.start();
>
> oMyTopicSubscriber =
>
oMyTopicSession.createSubscriber(oMyTopicSession.createTopic(oMySubscribeTop
> ic));
> oMyTopicListener = new TextListener();
>
>
oMyTopicSubscriber.setMessageListener(oMyTopicListener);
>
> The strange thing is, even if I don't create the
> topic described by
> oMySubscribeTopic - which is the name of the topic
> to subscribe to, the
> topic subscriber is made and looked at in the
> explorer shows that it is
> subscribing to the topic described by
> oMySubscribeTopic.
>
> However the JMS API documentation for
> TopicSession.createTopic() says the
> physical creation of a topic isn't done by the JMS
> API but that seems to be
> what is happening.
>
> Could anyone shed some light on this - I seem to be
> missing something!
>
> Thanks for your help.
>
> Cheers,
>
> Neil Benn
> Automation Informatics Scientist
> Cambridge Antibody Technology
>
>
>
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>
=====
Nicholas Whitehead
Home: (973) 377 9335
Cell: (973) 615 9646
Work(@ JP Morgan): (212) 235 5783
[EMAIL PROTECTED]
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