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From "Pinaki Poddar (JIRA)" <j...@apache.org>
Subject [jira] Commented: (OPENJPA-885) Support clear methods on EntityManager, including new CascadeType.CLEAR
Date Fri, 06 Mar 2009 19:53:56 GMT

    [ https://issues.apache.org/jira/browse/OPENJPA-885?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12679699#action_12679699
] 

Pinaki Poddar commented on OPENJPA-885:
---------------------------------------

> when I specified a change using a property, ex: openjpa.Compatibility=default(flushBeforeDetach=false),

When is 'when' exactly? After an EntityManagerFactory is obtained? After an EntityManager
is created? 

Compatibility is singleton and non-dynamic. Changing its value later (say after em is created)
itself should be prohibited and if that is not happening that is of concern.

Can you post some test case (and configuration artifacts) that demonstrates the use case?

> when Compatibility is instantiated.
Plugin instantiation is lazy and on-demand -- unless you overwrite with openjpa.InitializeEagerly.

> Is there an order specified for the providers? 
I am assuming from the context 'providers' imply ProductDerivation. If that is the case then
yes. Follow the trails of ProductDerivation.getType().

> Support clear methods on EntityManager, including new CascadeType.CLEAR 
> ------------------------------------------------------------------------
>
>                 Key: OPENJPA-885
>                 URL: https://issues.apache.org/jira/browse/OPENJPA-885
>             Project: OpenJPA
>          Issue Type: Sub-task
>    Affects Versions: 2.0.0
>            Reporter: Dianne Richards
>            Assignee: Dianne Richards
>             Fix For: 2.0.0
>
>         Attachments: patch.txt
>
>
> Support the 2.0 new  EntityManager clear() methods. Also support the new CascadeType.CLEAR.

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