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From kennknowles <...@git.apache.org>
Subject [GitHub] incubator-beam pull request #1440: [BEAM-230] Remove WindowedValue.valueInEm...
Date Mon, 28 Nov 2016 18:26:06 GMT
GitHub user kennknowles opened a pull request:

    https://github.com/apache/incubator-beam/pull/1440

    [BEAM-230] Remove WindowedValue.valueInEmptyWindows

    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`
     - [ ] 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
           number, if there is one.
     - [x] If this contribution is large, please file an Apache
           [Individual Contributor License Agreement](https://www.apache.org/licenses/icla.txt).
    
    ---
    
    A value in empty windows expands to no values, so it can be dropped at any time, perhaps
unintentionally. This has affected real runners.

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

    $ git pull https://github.com/kennknowles/incubator-beam valueInEmptyWindows

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

    https://github.com/apache/incubator-beam/pull/1440.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 #1440
    
----
commit 05fb97b7133d79f343d0d6d6b26a3a56f8ee848b
Author: Kenneth Knowles <klk@google.com>
Date:   2016-05-10T18:39:35Z

    Remove WindowedValue.valueInEmptyWindows
    
    A value in empty windows expands to no values, so it can be dropped at
    any time, perhaps unintentionally. This has bitten runner authors, including
    Spark & Dataflow.
    
    While creating such a thing in memory is not automatically problematic, it
    is also not really useful. So this change removes it.

----


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