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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