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From "Fay Wang (JIRA)" <j...@apache.org>
Subject [jira] Commented: (OPENJPA-1632) Add @VersionColumn and @VersionStrategy to orm.xml
Date Fri, 16 Apr 2010 16:02:24 GMT

    [ https://issues.apache.org/jira/browse/OPENJPA-1632?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12857867#action_12857867
] 

Fay Wang commented on OPENJPA-1632:
-----------------------------------

Yes, schema validation could be a problem. Although it is possible to validate against multiple
schema, we need to invent different tag instead of re-using existing <entity> tag.

> Add @VersionColumn and @VersionStrategy to orm.xml
> --------------------------------------------------
>
>                 Key: OPENJPA-1632
>                 URL: https://issues.apache.org/jira/browse/OPENJPA-1632
>             Project: OpenJPA
>          Issue Type: Improvement
>    Affects Versions: 2.1.0
>            Reporter: Fay Wang
>            Assignee: Fay Wang
>         Attachments: OPENJPA-1632.patch
>
>
> Add support of @VersionColumn and @VersionStrategy to orm.xml:
>     <entity class="dbgenvsn.EntityA" >
>     	<version-strategy name="com.ibm.websphere.persistence.RowChangeTimestampStrategy"
/>
> 	<version-column name="versionColumn" />    	 
>     </entity>
> so that the source EntityA does not need to recompile to enable a particular version
strategy.

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