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From "Julian Reschke (JIRA)" <j...@apache.org>
Subject [jira] Commented: (JCR-1239) SPI: Provide possibility to retrieve the number of child-nodes without retrieving them.
Date Thu, 29 Nov 2007 11:22:43 GMT

    [ https://issues.apache.org/jira/browse/JCR-1239?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12546663
] 

Julian Reschke commented on JCR-1239:
-------------------------------------

Thinking of it, that proposal has the drawback of being hard to optimize for when the client
gets the size *and* starts iterating though the children. Thus I'd still favor using either
a RangeIterator or a Collection.


> SPI: Provide possibility to retrieve the number of child-nodes without retrieving them.
> ---------------------------------------------------------------------------------------
>
>                 Key: JCR-1239
>                 URL: https://issues.apache.org/jira/browse/JCR-1239
>             Project: Jackrabbit
>          Issue Type: Improvement
>          Components: jackrabbit-spi
>            Reporter: angela
>             Fix For: 1.4
>
>
> separate issue started by julian within issue #1166:
> RepositoryService.getChildInfos is defined to return an Iterator.
> this forces the caller to loop over all entries in order to detect the number of child-nodes.
> currently the hierarchy is populated any way, but that could be a source for future optimization.
> possible solutions:
> - change return value to RangeIterator
> - change return value to Collection (or Set).

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