[ [url]http://issues.apache.org/jira/browse/JDO-368?page=comments#action_12442136[/
url] ]

Dave commented on JDO-368:
--------------------------


[[ Old comment, sent by email on Tue, 6 Jun 2006 09:38:41 -0600 ]]

Craig,

I think you missed the point of this bug report.
Your explanation below makes since and explains what is going on.

My point is that the JavaDoc documentation of these methods is confusing.

During attachment, the state of  "the copy"  that was previously detached is
synchronized with the original object and ultimately the  with the
datastore.

Instead of "after/before the copy is made",  it should say something like:
"after/before the detached object's state is transfered to the persistent
object's state".

upon whether the original persistent object instance is still in memory.



On 6/3/06, Craig Russell (JIRA) <jira@apache.org> wrote:


>  AttachCallback javadoc issue
> -----------------------------
>
>                 Key: JDO-368
>                 URL: http://issues.apache.org/jira/browse/JDO-368
>             Project: JDO
>          Issue Type: Bug
>          Components: api20
>    Affects Versions: JDO 2 rc1
>         Environment: N/A
>            Reporter: Dave
>         Assigned To: Craig Russell
>
> Javadoc issue.
> Descriptions of the AttachCallback methods appear to be copied from Detach
Callback.  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.makePer
sistent(java.lang.Object) on the detached instance before the copy is made.

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