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https://issues.apache.org/jira/browse/BEAM-1696?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Kenneth Knowles reassigned BEAM-1696:
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Assignee: (was: Kenneth Knowles)
> Allow explicit output time for processing time timers
> -----------------------------------------------------
>
> Key: BEAM-1696
> URL: https://issues.apache.org/jira/browse/BEAM-1696
> Project: Beam
> Issue Type: New Feature
> Components: sdk-java-core
> Reporter: Kenneth Knowles
>
> Today, a processing time timer is not associated with a particular output
> timestamp; instead the user must explicitly output to the desired timestamp.
> This has a few drawbacks:
> - Probably need to maintain state that indicates what the timestamp should be
> - The output watermark is not held to that timestamp
> Something like {{processingTimer.set(...).withOutputTimestamp(...)}} (or
> perhaps some more involved API with an {{OutputTimeFn}}-like policy attached)
> would work nicely, so when {{@OnTimer}} is called the right timestamp is
> automatic.
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