| Craig Russell (JIRA) 2006-06-03, 1:11 pm |
| [ 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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