[jboss-user] [JBoss Portal] - IPC sample project ala JSR 286

Antoine Herzog do-not-reply at jboss.com
Thu Apr 22 05:14:41 EDT 2010

Antoine Herzog [http://community.jboss.org/people/Antoine_h] replied to the discussion

"IPC sample project ala JSR 286"

To view the discussion, visit: http://community.jboss.org/message/538944#538944


> Thomas Heute wrote:
> Antoine,
> is there still value added by this approach vs the JSR-286 approach ?

sorry, long time after,... I've just seen that there was this question...

It is less value added than before JSR-286... of course.

but still interesting, for the nice explanation of the principles.
and for an implementation based on messaging, which have it's advantages in some specific use cases.
the main draw back is to make portlets that are not full compliant with the JSR.

one use case that can requiere some real messaging is when the message must be received by the portlet.

the JSR states it limit like this (page 109) :
"Portlet events are not a replacement for reliable messaging (see other JavaEE APIs, like
Java Message Service, JMS, for providing reliable messaging). Portlet events are not
guaranteed to be delivered and thus the portlet should always work in a meaningful
manner even if some or all events are not being delivered."

so... it is better if it can be done with the JSR way... but in case of unavoidable need of messaging... this approach is a nice architecture and code base.


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