[ http://issues.apache.org/jira/browse/JDO-368?page=all ]
Craig Russell resolved JDO-368:
-------------------------------
Resolution: Invalid
Assign To: Craig Russell
The AttachCallback methods are called during makePersistent if there is a
detached instance among the reachable instances of the parameter to
makePersistent.
During makePersistent on a detached instance, a persistent copy of the detached
instance is made (or an existing persistent instance in the cache with the same
object identity is located).
Thus, there are two distinct instances: the detached instance; and the
corresponding persistent instance.
The jdoPreAttach method is invoked on the detached instance.
The jdoPostAttach method is invoked on the persistent instance, with the
detached instance as the parameter.
> AttachCallback javadoc issue
> -----------------------------
>
> Key: JDO-368
> URL: http://issues.apache.org/jira/browse/JDO-368
> Project: JDO
> Type: Bug
> Components: api20
> Versions: JDO 2 rc1
> Environment: N/A
> Reporter: Dave
> Assignee: Craig Russell
>
> Javadoc issue.
> Descriptions of the AttachCallback methods appear to be copied from
> DetachCallback. A copy is made during Detach, but not Attach. Which
> instance are these methods executed on? The attaching copy, or the
> persistent copy?
> jdoPostAttach(java.lang.Object attached)
> This method is called during the execution of
> PersistenceManager.makePersistent(java.lang.Object) on the persistent
> instance after the copy is made.
> void jdoPreAttach()
> This method is called during the execution of
> PersistenceManager.makePersistent(java.lang.Object) on the detached instance
> before the copy is made.
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