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https://issues.apache.org/jira/browse/BEAM-3565?focusedWorklogId=79708&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-79708
 ]

ASF GitHub Bot logged work on BEAM-3565:
----------------------------------------

                Author: ASF GitHub Bot
            Created on: 13/Mar/18 02:33
            Start Date: 13/Mar/18 02:33
    Worklog Time Spent: 10m 
      Work Description: tgroh commented on a change in pull request #4844: 
[BEAM-3565] Add ExecutableStagePayload to simplify runner stage reconstruction
URL: https://github.com/apache/beam/pull/4844#discussion_r174001324
 
 

 ##########
 File path: 
runners/core-construction-java/src/main/java/org/apache/beam/runners/core/construction/graph/ExecutableStage.java
 ##########
 @@ -84,64 +81,72 @@
    * follows:
    *
    * <ul>
-   *   <li>The {@link PTransform#getSubtransformsList()} contains the result 
of {@link
-   *       #getTransforms()}.
+   *   <li>The {@link PTransform#getSubtransformsList()} contains no 
subtransforms. This ensures
+   *       that executable stages are treated as primitive transforms.
    *   <li>The only {@link PCollection} in the {@link 
PTransform#getInputsMap()} is the result of
    *       {@link #getInputPCollection()}.
    *   <li>The output {@link PCollection PCollections} in the values of {@link
    *       PTransform#getOutputsMap()} are the {@link PCollectionNode 
PCollections} returned by
    *       {@link #getOutputPCollections()}.
+   *   <li>The {@link FunctionSpec} contains an {@link ExecutableStagePayload} 
which has its input
 
 Review comment:
   The `PTransform#getSpec()` contains an...

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Issue Time Tracking
-------------------

    Worklog Id:     (was: 79708)
    Time Spent: 11h 50m  (was: 11h 40m)

> Add utilities for producing a collection of PTransforms that can execute in a 
> single SDK Harness
> ------------------------------------------------------------------------------------------------
>
>                 Key: BEAM-3565
>                 URL: https://issues.apache.org/jira/browse/BEAM-3565
>             Project: Beam
>          Issue Type: Bug
>          Components: runner-core
>            Reporter: Thomas Groh
>            Assignee: Thomas Groh
>            Priority: Major
>              Labels: portability
>             Fix For: 2.4.0
>
>          Time Spent: 11h 50m
>  Remaining Estimate: 0h
>
> An SDK Harness executes some ("fused") collection of PTransforms. The java 
> runner libraries should provide some way to take a Pipeline that executes in 
> both a runner and an environment and construct a collection of transforms 
> which can execute within a single environment.



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