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https://issues.apache.org/jira/browse/OPENJPA-591?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Patrick Linskey updated OPENJPA-591:
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Fix Version/s: 1.1.0
> Entities are flushed before being detached or serialized
> --------------------------------------------------------
>
> Key: OPENJPA-591
> URL: https://issues.apache.org/jira/browse/OPENJPA-591
> Project: OpenJPA
> Issue Type: Sub-task
> Components: kernel
> Affects Versions: 1.0.0, 1.0.1, 1.0.2
> Reporter: Michael Dick
> Assignee: Michael Dick
> Fix For: 1.0.3, 1.1.0, 1.2.0
>
>
> Entities are flushed if the entity is serialized or if the detach and
> detachAll methods are invoked.
> Similar to OPENJPA-119 I believe this is a remnant of the JDO persistence
> layer. Whether this is desirable in JPA or not, we need to be consistent
> whether the entity is detached via clear, or the detach methods.
> To resolve the problem I propose adding a new Compatibility option :
> flushBeforeDetach. If this is set to true we'll keep the current JDO-like
> behavior. If false then we'll just detach. I believe the same setting could
> apply when entities are serialized although it might be clearer to have a
> separate option for serialization.
> In the 1.0.x branch the flushBeforeDetach setting will only take effect for
> the detach, detachAll and serialization path. It will not affect the
> EntityManager.clear() method - in order to maintain backwards compatibility.
> In 1.2.x + the clear method will also defer to the flushBeforeDetach setting.
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