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From "Ravi P Palacherla (JIRA)" <>
Subject [jira] Commented: (OPENJPA-453) Evicting embedded object nullifies statemanager
Date Thu, 05 Mar 2009 02:21:56 GMT


Ravi P Palacherla commented on OPENJPA-453:

JDOHelper.getPersistenceManager()  api tells that Transactional and persistent instances return
the associated PersistenceManager. 

The JPA sec says that 
2.1.5 Embeddable Classes
An entity may use other fine-grained classes to represent entity state. Instances of these
classes, unlike entity instances themselves, do not have persistent identity.

So, I doubt if you can make an embeddable class either transactional or persistent.

Based on the above I guess you will get null on calling JDOHelper.getPersistenceManager()
on any embeddable object.


> Evicting embedded object nullifies statemanager
> -----------------------------------------------
>                 Key: OPENJPA-453
>                 URL:
>             Project: OpenJPA
>          Issue Type: Bug
>         Environment: Kodo 4.1.4, Ms sql server 2005, jTDS 1.2, jdk 1.6
>            Reporter: Christiaan
>         Attachments:
> I am noticing the following behaviour: If evict() is called on an embedded
> object the statemanager is nullified which is in contrast to non-embedded
> objects. Subsequently, calling JDOHelper.getPersistenceManager() on the
> evicted embedded object returns null. Is this the correct behaviour?

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