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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (BEAM-25) Add user-ready API for interacting with state
Date Sat, 07 Jan 2017 02:12:58 GMT

    [ https://issues.apache.org/jira/browse/BEAM-25?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15806509#comment-15806509
] 

ASF GitHub Bot commented on BEAM-25:
------------------------------------

GitHub user kennknowles opened a pull request:

    https://github.com/apache/beam/pull/1748

    [BEAM-25] Some more RunnableOnService tests for stateful ParDo

    Be sure to do all of the following to help us incorporate your contribution
    quickly and easily:
    
     - [ ] 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).
     - [ ] Replace `<Jira issue #>` in the title with the actual Jira issue
           number, if there is one.
     - [ ] If this contribution is large, please file an Apache
           [Individual Contributor License Agreement](https://www.apache.org/licenses/icla.txt).
    
    ---
    
    Opening a PR to easily launch Jenkins builds. Will likely add more tests before review.

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

    $ git pull https://github.com/kennknowles/beam State-tests

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

    https://github.com/apache/beam/pull/1748.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 #1748
    
----
commit 74735366893e02637791b3a7dddb9a8515147d67
Author: Kenneth Knowles <klk@google.com>
Date:   2017-01-06T20:02:29Z

    Increase visibility of Mean combiner, accumulator, and coder
    
    These are all necessary to use Mean in a combining state.

commit ff74e4b67912a3b73780bfd578fc7507f815aac4
Author: Kenneth Knowles <klk@google.com>
Date:   2017-01-06T20:03:11Z

    Add some more RunnableOnService tests for stateful ParDo

----


> Add user-ready API for interacting with state
> ---------------------------------------------
>
>                 Key: BEAM-25
>                 URL: https://issues.apache.org/jira/browse/BEAM-25
>             Project: Beam
>          Issue Type: New Feature
>          Components: sdk-java-core
>            Reporter: Kenneth Knowles
>            Assignee: Kenneth Knowles
>              Labels: State
>
> Our current state API is targeted at runner implementers, not pipeline authors. As such
it has many capabilities that are not necessary nor desirable for simple use cases of stateful
ParDo (such as dynamic state tag creation). Implement a simple state intended for user access.
> (Details of our current thoughts in forthcoming design doc)



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