[jira] [Commented] (BEAM-3035) Extract ReifyTimestampsAndWindows from GatherAllPanes

["ASF GitHub Bot (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/BEAM-3035?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16248327#comment-16248327 ] 

ASF GitHub Bot commented on BEAM-3035:
--------------------------------------

Github user wtanaka closed the pull request at:

    https://github.com/apache/beam/pull/4057


> Extract ReifyTimestampsAndWindows from GatherAllPanes
> -----------------------------------------------------
>
>                 Key: BEAM-3035
>                 URL: https://issues.apache.org/jira/browse/BEAM-3035
>             Project: Beam
>          Issue Type: New Feature
>          Components: sdk-java-core
>    Affects Versions: 2.1.0
>            Reporter: Wesley Tanaka
>            Assignee: Wesley Tanaka
>            Priority: Minor
>
> The {{ReifyTimestampsAndWindowsFn}} in {{GatherAllPanes}} looks useful for giving {{MapElements}},  {{Filter}}, etc access to window and pane information.
> This JIRA represents the proposal to extract a subset of the {{GatherAllPanes}} functionality into a new class {{ReifyTimestampsAndWindows}}, next to {{ReifyTimestamps}} which does similar functionality but with {{TimestampedValue}}
> {{GatherAllPanes}} would then rely on the newly extracted public {{PTransform}} for its previous functionality.



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