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From jkff <...@git.apache.org>
Subject [GitHub] incubator-beam pull request #1261: Makes Splittable DoFn in the direct runne...
Date Wed, 02 Nov 2016 18:19:30 GMT
GitHub user jkff opened a pull request:

    https://github.com/apache/incubator-beam/pull/1261

    Makes Splittable DoFn in the direct runner great again

    - Makes `ProcessFn` be a primitive transform with its own `ParDoEvaluator`. As a nice
side effect, this enables the runner to provide additional hooks into it - e.g. for giving
the runner access to the restriction tracker (in later PRs)
    - For consistency, moves declaration of `GBKIntoKeyedWorkItems` primitive transform into
`SplittableParDo`, alongside the `SplittableProcessElements` transform
    - Adds support for side inputs and outputs to SDF
    - Preserves compressed representation of `WindowedValue`'s in `PushbackSideInputDoFnRunner`
    - Teaches `ProcessFn` to work with exploded windows inside the `KeyedWorkItem`. It works
with them by un-exploding the windows in the `Iterable<WindowedValue<ElementAndRestriction>>`
into a single `WindowedValue`, since the values and timestamps are guaranteed to be the same.
    
    Tests for new features pending.
    
    R: @kennknowles @tgroh 

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

    $ git pull https://github.com/jkff/incubator-beam enable-sdf

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

    https://github.com/apache/incubator-beam/pull/1261.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 #1261
    
----
commit c50b42ccf60ab83f519c550edc2ccd048ed6b213
Author: Eugene Kirpichov <kirpichov@google.com>
Date:   2016-10-26T23:05:01Z

    Stuff compiles

----


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