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From "James Strachan" <james.strac...@gmail.com>
Subject Re: steps to publish to a topic for BrokerFilter-based classes?
Date Fri, 08 Dec 2006 10:04:27 GMT
Yeah - you might want to look at the Virtual Destination stuff which
does this kind of thing - forwarding a message to arbitrary
destinations based on selectors/filters - you could maybe reuse some
of that code. But it seems like you've figured it out anyway :)

On 12/7/06, J. Patrick Bedell <jpbedell@gmail.com> wrote:
> Hi,
>    It's really not so difficult, after all.  If you have a class that
> extends BrokerFilter, then you can use the next.send(ConnectionContext
> ctxt, Message msg) method to send a Message that has been generated.
>
>   ActiveMQTopic responseTopic =
>      new ActiveMQTopic(responseTopicString);
>   ActiveMQTextMessage responseMsg =
>      new ActiveMQTextMessage();
>   responseMsg.setText( "this is the message text" );
>   responseMsg.setDestination( responseTopic );
>   responseMsg.setMessageId( new MessageId(
> java.util.UUID.randomUUID().toString() ) );
>
>   next.send(ctxt, responseMsg); /* this sends the message! */
>
>    Thanks for all your great work on ActiveMQ!
>
>    Patrick
>
>
>
> On 12/6/06, Fritz Oconer <foconer@exist.com> wrote:
> > Hi Patrick,
> >
> > What I could suggest is to use JmsTemplate to send messages and possibly
> > Spring based configurations. See unit test SpringTest.java and
> > SpringProducer.java located in
> > "${activemq.source.home}\activemq-core\src\test\java\org\apache\activemq\spring\
> > " for reference.
> >
> > Regards,
> > Fritz
> >
> > ----- Original Message -----
> > From: "J. Patrick Bedell" <jpbedell@gmail.com>
> > To: <activemq-dev@geronimo.apache.org>
> > Sent: Thursday, December 07, 2006 7:04 AM
> > Subject: steps to publish to a topic for BrokerFilter-based classes?
> >
> >
> > > Hello,
> > >   I'm working on a Broker interceptor class that extends BrokerFilter.
> > >   After processing an incoming message, I would like to publish to a
> > > topic that is determined from the content of the message.
> > >   My question is: is there a quicker way to publish to a topic from a
> > > Broker than the standard method a client uses to publish (getting
> > > connection, TopicSession, TopicPublisher, and then using the
> > > TopicPublisher to publish)?
> > >   Thanks!
> > >
>
> --
>    J. Patrick Bedell
>    jpbedell@gmail.com
>    http://infoeng.sourceforge.net
>    http://rothbardix.blogspot.com
>


-- 

James
-------
http://radio.weblogs.com/0112098/

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