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https://issues.apache.org/jira/browse/FLINK-9959?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Bowen Li updated FLINK-9959:
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Summary: Add JoinWindowFunction to allow access Window (was: JoinFunction
should be able to access its Window)
> Add JoinWindowFunction to allow access Window
> ---------------------------------------------
>
> Key: FLINK-9959
> URL: https://issues.apache.org/jira/browse/FLINK-9959
> Project: Flink
> Issue Type: Improvement
> Components: DataStream API
> Affects Versions: 1.5.1, 1.6.0
> Reporter: Bowen Li
> Assignee: Bowen Li
> Priority: Major
> Fix For: 1.7.0
>
>
> e.g. currently, a windowed join looks like this, and the JoinFunction doesn't
> have access to the Window it runs against.
> {code:java}
> A.join(B)
> .where(...)
> .equalTo(...)
> .window(...)
> .apply(new JoinFunction<IN1, IN2, OUT>() {});
> {code}
> We can give JoinFunction access to its Window as {{JoinFunction<IN1, IN2,
> OUT, Window>}}
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