Neil Kolban created BEAM-7167:
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Summary: Unable to cancel a DoFn Timer
Key: BEAM-7167
URL: https://issues.apache.org/jira/browse/BEAM-7167
Project: Beam
Issue Type: Bug
Components: beam-model
Affects Versions: 2.12.0
Reporter: Neil Kolban
The following was raised on
[Stackoverflow|[https://stackoverflow.com/questions/55875832/how-to-cancel-unset-a-dofn-defined-timer]]:
Having read [Timely (and Stateful) Processing with Apache
Beam|https://beam.apache.org/blog/2017/08/28/timely-processing.html] and looked
at the JavaDoc for a
[Timer|https://beam.apache.org/releases/javadoc/2.12.0/org/apache/beam/sdk/state/Timer.html],
I have successfully setup a timer to be fired. However, I am missing how to
request that a timer be cancelled before it has fired. Is this a semantic that
is possible / allowable in Beam architecture?
My back-story is that I wish to register a timer to fire a callback if
something has not occurred ... but if it HAS occurred prior to the timer
firing, then I wish to cancel the timer from being fired.
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