9:33 a.m.
• @Initialized @Application Object o;
• @Destroyed @Application Object o;
WebApp - ServletContextInitialized /Destroyed (or just ServletContext)
Non WebApp - Are you thinking Java SE? If so, not sure you really need anything in the
object except the command line arguments.
• @Initialized @Session Object o;
• @Destroyed @Session Object o;
WebApp - SessionInitialized /Destroyed(or just Session)
Non WebApp - this seems like a pretty Web-oriented concept. Not sure it has a place in non
Web.
• @Initialized @Conversation Object o;
• @Destroyed @Conversation Object o;
WebApp - ConversationInitialized /Destroyed(or just Conversation)
Non WebApp - this seems like a pretty Web-oriented concept. Not sure it has a place in non
Web.
• @Initialized @Request Object o;
• @Destroyed @Request Object o;
WebApp - RequestInitialized /Destroyed( This one cannot be just the Request because you
also need access to the Response.)
Non WebApp - this seems like a pretty Web-oriented concept. Not sure it has a place in non
Web.
Not sure about JMS and Remote EJB initializations. Are these events exposed via another
programmatic API currently? If so, what objects do they use?
javax.enterprise.context.lifecycle seems reasonable to me.
--
Lincoln Baxter, III
JBoss, by Red Hat
lbaxter(a)redhat.com
"If you want something, you'll find a way; if you don't, you'll find an
excuse."
----- Original Message -----
From: "Pete Muir" <pmuir(a)bleepbleep.org.uk>
To: "CDI-Dev" <cdi-dev(a)lists.jboss.org>
Sent: Tuesday, September 6, 2011 8:05:58 AM
Subject: [cdi-dev] Application lifecycle events
I've created a pull request for https://issues.jboss.org/browse/CDI-86 at
https://github.com/jboss/cdi/pull/39.
This adds these events:
• @Initialized @Application Object o;
• @Destroyed @Application Object o;
• @Initialized @Session Object o;
• @Destroyed @Session Object o;
• @Initialized @Conversation Object o;
• @Destroyed @Conversation Object o;
• @Initialized @Request Object o;
• @Destroyed @Request Object o;
The actual event type depends on why the context was initialized (e.g. if it's a web
app you would normally see the relevant servlet event objects). More details in the pull
There are a few open issues on which I appreciate feedback:
* The CDI 1.0 spec doesn't define when a context is "initialized" (however
the concept is implied), however the CDI spec introduces lifecycle events that require an
event to be fired when a context is initialized. Either we need to rewrite the definition
of this feature to use the CDI 1.0 language or we need to define when a context is
initialized.
* What should the event type be for requests initialized due to an EJB remote invocation
and a JMS MessageListener invocation?
* What should the event type be for applications initialized or destroyed when the
application is not a web app?
* The annotations for context lifecycle events are in the new package
javax.enterprise.context.lifecycle. Should they be placed elsewhere (especially if we
envision them being used for other purposes than context lifecycle events?)
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