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From "ASF GitHub Bot (JIRA)" <>
Subject [jira] [Commented] (BEAM-248) Register DisplayData from anonymous implementation PTransforms
Date Tue, 03 May 2016 20:43:12 GMT


ASF GitHub Bot commented on BEAM-248:

GitHub user swegner opened a pull request:

    [BEAM-248] Add display data to additional PTransforms

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

    $ git pull displaydata-leaves

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 #280
commit 676f6fe8715444a8bf1c614de7322557a6f9de72
Author: Scott Wegner <>
Date:   2016-05-03T16:28:21Z

    Test utility for display data in a pipeline runner
    DisplayDataEvaluator is useful for validating how PTransform
    display data is surfaced in the context of a Pipeline and runner.

commit f5e167bbea1ffced370dffab8af2697fad157728
Author: Scott Wegner <>
Date:   2016-05-03T16:33:55Z

    Fix Combine transform primitive display data

commit 978068c2fb754986cb86f412c1e85eaf5ee30f7b
Author: Scott Wegner <>
Date:   2016-05-03T18:16:51Z

    Add display data for MapElements transform


> Register DisplayData from anonymous implementation PTransforms
> --------------------------------------------------------------
>                 Key: BEAM-248
>                 URL:
>             Project: Beam
>          Issue Type: Sub-task
>          Components: sdk-java-core
>            Reporter: Scott Wegner
>            Assignee: Scott Wegner
> Most SDK PTransforms are implemented in terms of lower-level PTransforms, often with
anonymous user-fn implementations at the leaf-level. Currently display data is only being
registered on the composite node and not within the anonymous implementation. As a result,
the details are lost.
> We should register display data both in the composite and internal leaf nodes, particularly
when the implementation is anonymous.

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