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From kennknowles <>
Subject [GitHub] incubator-beam pull request #1581: [BEAM-1117] Port Direct runner stateful P...
Date Mon, 12 Dec 2016 21:22:23 GMT
GitHub user kennknowles opened a pull request:

    [BEAM-1117] Port Direct runner stateful ParDo to take KeyedWorkItem

    Be sure to do all of the following to help us incorporate your contribution
    quickly and easily:
     - [x] Make sure the PR title is formatted like:
       `[BEAM-<Jira issue #>] Description of pull request`
     - [x] Make sure tests pass via `mvn clean verify`. (Even better, enable
           Travis-CI on your fork and ensure the whole test matrix passes).
     - [x] Replace `<Jira issue #>` in the title with the actual Jira issue
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     - [x] If this contribution is large, please file an Apache
           [Individual Contributor License Agreement](
    This is based upon the required PR #1556 but adds the motivating use of key-preservation

You can merge this pull request into a Git repository by running:

    $ git pull DirectRunner-Stateful-KeyedWorkItem

Alternatively you can review and apply these changes as the patch at:

To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:

    This closes #1581
commit 746a78f98615a51355a901c50c5fd4db7c504a79
Author: Kenneth Knowles <>
Date:   2016-12-08T19:44:48Z

    Propagate key through ParDo if DoFn is key-preserving

commit 9ae20e5b8ff0b1365a324062bce2e74799fbb68e
Author: Kenneth Knowles <>
Date:   2016-12-08T19:49:15Z

    Add some key-preserving to KeyedPValueTrackingVisitor

commit d4129c6405fdc17ace4defc027cc5dafd61f232c
Author: Kenneth Knowles <>
Date:   2016-12-08T21:28:44Z

    Move responsibility for knowing about keyedness into EvaluationContext
    This will allow transform evaluators to inquire about whether
    various collections are keyed.

commit d590f7436ef09520a531fb1561cbdb1f1cad94af
Author: Kenneth Knowles <>
Date:   2016-12-08T19:29:21Z

    Port direct runner StatefulParDo to KeyedWorkItem


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