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From Michael Dürig (JIRA) <j...@apache.org>
Subject [jira] Commented: (JCR-2688) Provide utility for handling large number of child nodes/properties
Date Wed, 28 Jul 2010 15:28:18 GMT

    [ https://issues.apache.org/jira/browse/JCR-2688?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12893208#action_12893208
] 

Michael Dürig commented on JCR-2688:
------------------------------------

Yes technically 1. is the right way... However I fear its not a realistic option. 
As it seems 2. is the way taken by others (i.e. for o.a.j.c.query.GQL). So I guess I'll also
take this approach. 

> Provide utility for handling large number of child nodes/properties
> -------------------------------------------------------------------
>
>                 Key: JCR-2688
>                 URL: https://issues.apache.org/jira/browse/JCR-2688
>             Project: Jackrabbit Content Repository
>          Issue Type: New Feature
>          Components: jackrabbit-jcr-commons
>    Affects Versions: 2.2.0
>            Reporter: Michael Dürig
>            Assignee: Michael Dürig
>         Attachments: JCR-2688.patch
>
>
> Jackrabbit does not cope well with 'flat' hierarchies. That is with hierarchies where
a node has many child nodes and/or properties. The current recommendation for such situations
is to manually add intermediate nodes. 
> It would be nice to have an utility which adds/removes intermediate nodes as needed and
expose a 'flat' view to users. Such an utility should:
> - expose a large number of nodes/properties as sequence
> - parametrize the order of how nodes/properties appear in the sequence
> - provide methods to lookup/add/remove nodes/properties by key 
> - organize the node/properties in the underlying JCR hierarchy in a way which is both
efficient for above operations and easily understandable to users looking at the hierarchy.


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