Re: [weld-dev] Adding Classes at Run-time
Or, if you mean doing this at runtime (once the app has started), then there isn't
currently a way to do this.
There are essentially two options for how to do this. We can do either, neither or both.
1) Allow the user to request a "reload" of Weld, which rebuilds the Weld
metadata for all classes, without clearing the session or application state. This is
reasonably straightforward to do, as long as we have a consistent id for the beans (all
built in beans are)
2) Allow the user to request a reload of the metadata for a given class. This is trickier
as it raises the question of what validation to trigger.
there is also the option of allowing the addition of classes to a deployment, which is
simpler than (2).
Anyway, please file a JIRA feature request in WELD to start with.
Pete
On 15 Feb 2010, at 05:07, Stuart Douglas wrote:
Are you opening the jars before weld starts? If so you can add the
classes from a PE using BeforeBeanDiscovery.addAnnotatedType().
Stuart
________________________________________
From: weld-dev-bounces(a)lists.jboss.org [weld-dev-bounces(a)lists.jboss.org] On Behalf Of
Jason Lee [jason(a)steeplesoft.com]
Sent: Monday, 15 February 2010 4:06 PM
To: Weld-Dev
Subject: [weld-dev] Adding Classes at Run-time
I have an odd question. I have a situation where I'm manually opening a
JAR and adding its classes to the ClassLoader. What I'd like to be able
to do is have Weld scan these classes for any relevant annotations and
take the proper actions, just as if the JARs were in the classpath when
the application started. I've been staring at the JavaDocs (build
locally, btw, as I can't find them on the web :| ) but I don't see any
way to request that Weld inspect a given class. Is it there and I'm
missing it? Am I going to have cobble together that functionality? Am
I asking for something that can't be done (right now)? Any nudges in
the right direction would be much appreciated. :)
--
Jason Lee, SCJP
President, Oklahoma City Java Users Group
Senior Java Developer, Sun Microsystems
http://blogs.steeplesoft.com
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