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https://issues.apache.org/jira/browse/FLINK-2457?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14660074#comment-14660074
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ASF GitHub Bot commented on FLINK-2457:
---------------------------------------
Github user mjsax commented on the pull request:
https://github.com/apache/flink/pull/983#issuecomment-128387669
- changed `LinkedList` to `ArrayList` in **all** `TupleXBuilder` classes
- removed WS formatting
- changed `Tuple0` **and** `Tuple0Serializer` to singleton
> Integrate Tuple0
> ----------------
>
> Key: FLINK-2457
> URL: https://issues.apache.org/jira/browse/FLINK-2457
> Project: Flink
> Issue Type: Improvement
> Reporter: Matthias J. Sax
> Assignee: Matthias J. Sax
> Priority: Minor
>
> Tuple0 is not cleanly integrated:
> - missing serialization/deserialization support in runtime
> - Tuple.getTupleClass(int arity) cannot handle arity zero, ie, cannot create
> an instance of Tuple0
> Tuple0 is currently only used in Python API, but will be integrated into
> Storm compatibility, too.
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