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https://issues.apache.org/jira/browse/FLINK-10327?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16617200#comment-16617200
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ASF GitHub Bot commented on FLINK-10327:
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pnowojski commented on issue #6687: [FLINK-10327][streaming] Expose
processWatermarks notifications to (Co)ProcessFunction
URL: https://github.com/apache/flink/pull/6687#issuecomment-421924359
I'm closing this PR since I have realised that it's incomplete (missing
implementation in other types of `ProcessFunction`s). @kl0u lets move this
discussion to Jira.
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> Pass processWatermark calls from (Co)ProcessOperator to (Co)ProcessFunction
> ---------------------------------------------------------------------------
>
> Key: FLINK-10327
> URL: https://issues.apache.org/jira/browse/FLINK-10327
> Project: Flink
> Issue Type: New Feature
> Components: Streaming
> Reporter: Piotr Nowojski
> Assignee: Piotr Nowojski
> Priority: Major
> Labels: pull-request-available
>
> Currently {{CoProcessFunction}} can not react to changes watermark
> advancement. By passing {{processWatermark}} calls to function we would give
> a way to perform some actions on watermark advancement, like state clean up
> or emitting some results after accumulating some data.
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