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https://issues.apache.org/jira/browse/JCR-1239?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12546221
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Julian Reschke commented on JCR-1239:
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I relatively strongly disagree with Marcel.
Making the return value a Collection or a RangeIterator should be completely
painless for existing implementations, but at least would allow the use case
mentioned earlier (*) to perform efficiently. Without that change, it's de
facto impossible.
(*) A UI displaying folder nodes with the number of their children.
> SPI: Return value of RepositoryService.getChildInfos
> ----------------------------------------------------
>
> 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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