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[jira] [Created] (FLINK-10327) Pass processWatermark calls from (Co)ProcessOperator to (Co)ProcessFunction

Piotr Nowojski created FLINK-10327:

             Summary: 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

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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