Re: [Springframework-developer] Spring MDB / Message Driven POJOs

[Nick M. <nic...@gm...>]

Cool!
Will be looking at this very shortly...
-Nick


On Wed, 27 Oct 2004 10:23:07 +0100, jas...@ma...
<jas...@ma...> wrote:
> This has been an ongoing area of research for some time - how best to
> do JMS consumption from inside Spring. After scratching my head for a
> while over the best way to do this; I figured, JCA is the answer, since
> it takes care of all the thorny issues behind doing proper consumer
> based JMS pooling and transaction handling, which is way more complex
> than you might imagine. The only downside of this approach is that
> folks often think JCA is really complex & fat & depends on a J2EE
> container which is not true.
> 
> As part of the ActiveMQ project we've written a small, Spring based &
> easily embedded JCA container. Its just a few classes and is easy to
> use on any project, just depending on Spring and the JCA APIs.
> 
> http://activemq.codehaus.org/JCA+Container
> 
> So we can now have all the features of MDB such as efficient JMS
> pooling, hooks to work with all the major JMS providers via their JCA
> Resource Adapters (*), proper transaction handling and pooling of
> message listeners - but all from within Spring. We get the added
> benefit that we get to use Spring's Dependency Injection to configure
> the message listeners properly - plus we can easily perform the dynamic
> creation of new subscriptions easily at runtime, rather than having to
> rely on a fixed & rigid XML deployment configuration like EJB.
> 
> So now we've 'message driven pojos' in Spring! :)
> 
> To give you an idea of how simple it is, here's a sample...
> 
> http://cvs.activemq.codehaus.org/viewrep/activemq/activemq/modules/
> container/src/test/org/codehaus/activemq/jca/spring.xml?r=HEAD
> 
> There's more detailed documentation on the above page if you need it.
> 
> (*) to help work with other JMS providers which don't yet provide a JCA
> ResourceAdapter, which they really should if they want to integrate
> well with other J2EE containers, we could enhance ActiveMQ's
> ResourceAdapter to work with foreign JMS providers.
> 
> James
> -------
> http://radio.weblogs.com/0112098/
> 
> -------------------------------------------------------
> This SF.Net email is sponsored by:
> Sybase ASE Linux Express Edition - download now for FREE
> LinuxWorld Reader's Choice Award Winner for best database on Linux.
> http://ads.osdn.com/?ad_id=5588&alloc_id=12065&op=click
> _______________________________________________
> Springframework-developer mailing list
> Spr...@li...
> https://lists.sourceforge.net/lists/listinfo/springframework-developer
>