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Posted to dev@flink.apache.org by "James (Jira)" <ji...@apache.org> on 2022/07/08 16:10:00 UTC

[jira] [Created] (FLINK-28469) Setting a timer within broadcast applyToKeyedState()

James created FLINK-28469:
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             Summary: Setting a timer within broadcast applyToKeyedState()
                 Key: FLINK-28469
                 URL: https://issues.apache.org/jira/browse/FLINK-28469
             Project: Flink
          Issue Type: Improvement
          Components: API / DataStream
    Affects Versions: 1.16.0
            Reporter: James


I know we can’t set a timer in the processBroadcastElement() of the KeyedBroadcastProcessFunction as there is no key.

 

However, there is a context.applyToKeyedState() method which allows us to iterate over the keyed state in the scope of a key. So it is possible to add access to the TimerService onto the Context parameter passed into that delegate?

 

Since the code running in the applyToKeyedState() method is scoped to a key we should be able to set up timers for that key too.



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