GitHub user kennknowles opened a pull request:
https://github.com/apache/incubator-beam/pull/1581
[BEAM-1117] Port Direct runner stateful ParDo to take KeyedWorkItem
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This is based upon the required PR #1556 but adds the motivating use of
key-preservation logic.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/kennknowles/incubator-beam
DirectRunner-Stateful-KeyedWorkItem
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/incubator-beam/pull/1581.patch
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
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commit 746a78f98615a51355a901c50c5fd4db7c504a79
Author: Kenneth Knowles <[email protected]>
Date: 2016-12-08T19:44:48Z
Propagate key through ParDo if DoFn is key-preserving
commit 9ae20e5b8ff0b1365a324062bce2e74799fbb68e
Author: Kenneth Knowles <[email protected]>
Date: 2016-12-08T19:49:15Z
Add some key-preserving to KeyedPValueTrackingVisitor
commit d4129c6405fdc17ace4defc027cc5dafd61f232c
Author: Kenneth Knowles <[email protected]>
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 <[email protected]>
Date: 2016-12-08T19:29:21Z
Port direct runner StatefulParDo to KeyedWorkItem
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