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https://issues.apache.org/jira/browse/ZOOKEEPER-555?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Árni Már Jónsson updated ZOOKEEPER-555:
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Attachment: ZOOKEEPER-555.patch
A patch which adds a second getChildren() function, which in addition to
children, returns the parent stat.
The main additions are these:
* There is a new C callback, strings_stat_completion_t
* There are 4 new C API calls: zoo_aget_children2(), zoo_awget_children(),
zoo_get_children2(), zoo_wget_children2()
* The C client now supports the "ls2" command
* The C test client has a new test, testGetChildren2()
* There is a new Java API callback: Children2Callback()
* There are 2 new message: GetChildren2Request(), GetChildren2Response()
* There is a new struct> StringsAndStat, which is the unit of data transfer in
the C/Java API.
* There are 4 new Java API calls
* There are new tests, and test modifications to the Java unit-tests. The
modifications are corresponding calls to getChildren2() alongside a
getChildren() call, the return values of which are then compared. There is a
new class under the AsyncOps tests, which is mostly equivalent to the
getChildren()-calling class. And there is a new test> GetChildren2Test.java,
which is very similar to the exists() test.
> 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, ZOOKEEPER-555.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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