[jira] [Created] (FLINK-14950) Support getKey in WindowOperator.Context

[Shang Yuanchun (Jira)]

Jiayi Liao created FLINK-14950:
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             Summary: Support getKey in WindowOperator.Context
                 Key: FLINK-14950
                 URL: https://issues.apache.org/jira/browse/FLINK-14950
             Project: Flink
          Issue Type: Improvement
          Components: API / DataStream
    Affects Versions: 1.9.1
            Reporter: Jiayi Liao


In our scenario, user needs to access the key of {{WindowOperator.Context}} to determine how to deal with the window.

I think it's reasonable to support {{getKey()}} method in {{WindowOperator.Context}}. 

cc [~aljoscha]



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