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https://issues.apache.org/jira/browse/ZOOKEEPER-555?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12766383#action_12766383
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Patrick Hunt commented on ZOOKEEPER-555:
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I continue to be impressed by the power of just the few primitives/guarantees
that we provide.
That said,I consider my solution a bit of a hack (not necessarily bad, just not
optimal), really
Arni's solution is the correct one, we should provide the ability to get the
stat as part of the
get_children. However this (stat) won't be generally available till 3.3 even
assuming Arni completes
it (please!) and this other alternative might be a good enough solution in the
mean time.
> Add stat information to GetChildrenResponse
> -------------------------------------------
>
> Key: ZOOKEEPER-555
> URL: https://issues.apache.org/jira/browse/ZOOKEEPER-555
> Project: Zookeeper
> Issue Type: Improvement
> Components: c client, contrib-bindings, java client, server
> Affects Versions: 3.3.0
> Reporter: Árni Már Jónsson
> Assignee: Árni Már Jónsson
> Priority: Minor
> Fix For: 3.3.0
>
> Attachments: getchildren_stat.patch
>
>
> GetChildren() is the only non-create/delete API which does not include the
> node stat information. I propose that the definition of GetChildren() should
> be:
> class GetChildrenResponse {
> vector<ustring> children;
> org.apache.zookeeper.data.Stat stat;
> }
> There is a trivial fix to the server (FinalRequestProcessor.java): rsp = new
> GetChildrenResponse(children, stat);
> And something similar to the client library.
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