[cdi-dev] [JBoss JIRA] (CDI-18) Global enablement of interceptors, decorators and alternatives

[Geoffrey De Smet (Commented) (JIRA)]

    [ https://issues.jboss.org/browse/CDI-18?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12649232#comment-12649232 ] 

Geoffrey De Smet commented on CDI-18:
-------------------------------------

>> Which CL rules are right?
- Single classpath works best most of the time (as long as you're not an app server that has to dynamically load classes)
- Hierachical classloading (AKA parant classloading as defined by ClassLoader's javadocs) is utterly broken
- Graph based classloading (such as OSGI and Jigsaw) shows promise
- But OSGi classloading's resultion is NP-complete (= non-determinstic in practice) so it's broken.

So I hope Jigsaw finally gets it right :)
The "unpack everything in the WEB-INF/classes" dir is basically a way to go single classpath.
                
> Global enablement of interceptors, decorators and alternatives
> --------------------------------------------------------------
>
>                 Key: CDI-18
>                 URL: https://issues.jboss.org/browse/CDI-18
>             Project: CDI Specification Issues
>          Issue Type: Feature Request
>          Components: Beans, Decorators, Interceptors, Packaging and Deployment
>    Affects Versions: 1.0
>            Reporter: Mark Struberg
>            Priority: Critical
>             Fix For: 1.1 (Proposed)
>
>
> Currently the spec defines that <interceptors>, <decorators> and <alternatives> affect only the Bean Archives where they are configured in (via beans.xml). 
> Thus if you e.g. enable an Alternative in a WEB-INF/beans.xml, it does NOT count for the jars in it's WEB-INF/lib folder!
> This is pretty unhandy because you would need to repackage all your jars in your WEB-INF/lib folder and add/expand the <alternatives> sections in their beans.xml.
> Needless to say that this is not only hard to do in a company build but is also impossibly to handle at deploy time in an OSGi environment!

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