Matt Pavlovich created OPENJPA-2766:
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             Summary: Modularity support
                 Key: OPENJPA-2766
                 URL: https://issues.apache.org/jira/browse/OPENJPA-2766
             Project: OpenJPA
          Issue Type: New Feature
            Reporter: Matt Pavlovich


Support modular organization of entities so that all entities do not need to be 
contained in the same jar, or referenced in a single persistence.xml <class> 
listing.

Use cases:
1. Jar A contains entityA, Jar B contains entityB. Jar C contains 
persistence.xml defining the PU
2. EntityB may or may not extend from entityA

Features:
1. Auto-classpath scanning (perhaps for persistence-fragment.xml.. then 
enumerate)
2. Support manual registration and unregistration of entity classes (not just 
class names) to support OSGi environments that have per-bundle classloaders and 
deploy/undeploy support.



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