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From "Kevin Sutter (JIRA)" <j...@apache.org>
Subject [jira] Resolved: (OPENJPA-396) Cloning Calendar proxies doesn't detach from StateManager
Date Tue, 09 Oct 2007 14:30:50 GMT

     [ https://issues.apache.org/jira/browse/OPENJPA-396?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Kevin Sutter resolved OPENJPA-396.
----------------------------------

    Resolution: Fixed

Resolved via svn revision #582974 for both the 1.0.1 and 1.1.0 branches.

> Cloning Calendar proxies doesn't detach from StateManager
> ---------------------------------------------------------
>
>                 Key: OPENJPA-396
>                 URL: https://issues.apache.org/jira/browse/OPENJPA-396
>             Project: OpenJPA
>          Issue Type: Bug
>          Components: kernel
>    Affects Versions: 1.0.0, 1.0.1, 1.1.0
>            Reporter: Kevin Sutter
>            Assignee: Kevin Sutter
>             Fix For: 1.0.1, 1.1.0
>
>         Attachments: OPENJPA-396.patch
>
>
> This problem was first discussed on our dev mailing list:  http://www.nabble.com/Cloning-Calendar-proxies-tf4571181.html
> Per the discussion on that thread, I am proposing to modify the generated proxy code
to override the clone() method.  This clone() method will do the necessary copying of data
from the original object, but then also null out the sm (StateManager) and zero out the field
attributes.  This action detaches the cloned object from the StateManager (and associated
EntityManager).
> Instead of limiting this action to the Calendar proxy, I am adding the clone() method
implementation to all of our proxy objects that we generate.  Granted, some of the object
types do not directly support the clone() method, but that will be detected when or if anybody
attempts to use the clone() method on these types (compiler generated error message).
> I'll be posting a patch shortly and I plan to commit the changes later today (unless
there is opposition).
> Thanks,
> Kevin

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