Introduce HierarchicBeanManager
-------------------------------

                 Key: OWB-652
                 URL: https://issues.apache.org/jira/browse/OWB-652
             Project: OpenWebBeans
          Issue Type: Improvement
          Components: Core
    Affects Versions: 1.1.3
            Reporter: Mark Struberg
            Assignee: Mark Struberg
             Fix For: 1.1.4


The currently implemented BeanManager cannot properly deal with multiple 
ClassLoaders forming an isolation hierarchy.
This mainly hits EAR deployment in Java EE servers. The spec is not really 
clear about this scenario and in fact no existing EE server currently solves 
this problem sattisfyingly. 

I already explained quite a few times how we can overcome this problem:
http://mail-archives.apache.org/mod_mbox/openwebbeans-dev/201202.mbox/%3c1329169509.62085.yahoomail...@web171506.mail.ir2.yahoo.com%3E
GERONIMO-6005
https://issues.jboss.org/browse/CDI-142
https://issues.jboss.org/browse/CDI-18
https://issues.jboss.org/browse/CDI-129


The solution:

Each ClassLoader which has a BeanArchive will get it's own Beans. Any Beans 
accessible through a parent BeanManager will not be contained. Instead they 
must be resolved via the parent ClassLoader.

It should be possible to easily implement this by introducing a 
HierarchicScannerService as a child-Interface of ScannerService which knows how 
to exclude parent BDAs. If a HierarchicScannerService is configured, the 
BeanManager will automatically delegate the detection to it's parent 
BeanManager. Otherwise all remains the way it is right now.


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