Metamodel Generation must be more selective and controllable
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Key: OPENJPA-1181
URL: https://issues.apache.org/jira/browse/OPENJPA-1181
Project: OpenJPA
Issue Type: New Feature
Components: jpa
Reporter: Pinaki Poddar
Assignee: Pinaki Poddar
JPA 2.0 specifies canonical memtamodel classes for persistent entities.
Currently this generation process is uncontrolled.
Every time the compiler is invoked with
$ java -processor openjpa.AnnotationProcessor6 my.PObject
we generate my.PObject_.java.
We should be able to control this process. In fact, current limitation of being
non-selective stops us from activating the service discovery mechanism.
One suggestion (by Jeremy) is to add a annotation attribute in the @Entity
class.
Another suggestion (by Albert) is to bring this generation process closer to
PCEnhancer.
Can we also make use of the has @Generated annotation timestamp in
PObject_.java to make some decisions?
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