[jira] Commented: (JCR-876) ManageableCollectionUtil should not throw "unsupported" JcrMapping exception

["Sebastian Gomez (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/JCR-876?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12563246#action_12563246 ] 

Sebastian Gomez commented on JCR-876:
-------------------------------------

Hi.

You face the same problem as I did. After using my patch it seems to work. It's attatched to my issue, in case you want to use it:

https://issues.apache.org/jira/browse/JCR-1325

> ManageableCollectionUtil should not throw "unsupported" JcrMapping exception
> ----------------------------------------------------------------------------
>
>                 Key: JCR-876
>                 URL: https://issues.apache.org/jira/browse/JCR-876
>             Project: Jackrabbit
>          Issue Type: Improvement
>          Components: jackrabbit-ocm
>         Environment: All
>            Reporter: Dan Connelly
>
> Many times, the object model'd code cannot be altered for ocm.
> To avoid the "unsupported" exception in almost all such cases, use a delegating wrapper class to encapsulate a Collection.    The wrapper class implements MaangeableCollection.
> Since delegation is a performance hit, make the test below the last resort for *object*  conversion in the method:
> public static ManageableCollection getManageableCollection(Object object) 
> Proposed "catchall" test and program action:
>             if (object instanceof Collection) {
>                 return new ManageableCollectionImpl((Collection)object);
>             }

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