Introduce HierarchicBeanManager
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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/%[email protected]%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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