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https://issues.apache.org/jira/browse/FLINK-13762?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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zhijiang updated FLINK-13762:
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Summary: Implement a unified StatusWatermarkOutputHandler for
StreamOne/TwoInputProcessor (was: Integrate the implementation of
ForwardingValveOutputHandler for StreamOne/TwoInputProcessor)
> Implement a unified StatusWatermarkOutputHandler for
> StreamOne/TwoInputProcessor
> --------------------------------------------------------------------------------
>
> Key: FLINK-13762
> URL: https://issues.apache.org/jira/browse/FLINK-13762
> Project: Flink
> Issue Type: Sub-task
> Components: Runtime / Task
> Reporter: zhijiang
> Assignee: zhijiang
> Priority: Minor
>
> Currently StreamOneInputProcessor and StreamTwoInputSelectableProcessor have
> separate implementations of ForwardingValueOutputHandler. Especially for the
> implementation in StreamTwoInputSelectableProcessor, it couples the internal
> input index logic which would be a blocker for the following unification of
> StreamTaskInput/Output.
> We could realize a unified ForwardingValueOutputHandler for both
> StreamOneInput/ TwoInputSelectableProcessor, and it does not consider
> different inputs to always consume StreamStatus. Then we refactor the
> implementation of StreamStatusMaintainer for judging the status of different
> inputs internally before really emitting the StreamStatus.
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