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Posted to oak-issues@jackrabbit.apache.org by "Chetan Mehrotra (JIRA)" <ji...@apache.org> on 2014/03/29 11:03:15 UTC
[jira] [Updated] (OAK-1567) Return Iterator instead of returning
List in DocumentStore.query
[ https://issues.apache.org/jira/browse/OAK-1567?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Chetan Mehrotra updated OAK-1567:
---------------------------------
Fix Version/s: (was: 0.20)
1.0
> Return Iterator instead of returning List in DocumentStore.query
> ----------------------------------------------------------------
>
> Key: OAK-1567
> URL: https://issues.apache.org/jira/browse/OAK-1567
> Project: Jackrabbit Oak
> Issue Type: Improvement
> Components: mongomk
> Affects Versions: 0.18
> Reporter: Chetan Mehrotra
> Assignee: Chetan Mehrotra
> Fix For: 1.0
>
>
> Currently the DocumentStore query method returns List after performing any query against backend. In case of Mongo the DBCursor returned [1] implements Iterable interface. And in all usage so far the code can work perfectly fine with Iterable
> It would be better if we change the api contract to return iterator and allow lazy traversal of the NodeDocuments. Further the pagination/batching would be handled within the Driver itself and the code above would not have to construct there on batching.
> See [2] for details
> [1] http://api.mongodb.org/java/2.0/com/mongodb/DBCursor.html
> [2] http://markmail.org/thread/ilcqtvaziie3ycb5
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