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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (FLINK-4265) Add a NoOpOperator
Date Mon, 05 Sep 2016 08:29:20 GMT

    [ https://issues.apache.org/jira/browse/FLINK-4265?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15464437#comment-15464437
] 

ASF GitHub Bot commented on FLINK-4265:
---------------------------------------

Github user fhueske commented on the issue:

    https://github.com/apache/flink/pull/2294
  
    Sorry for the late reply @greghogan.
    +1 from me as well.


> Add a NoOpOperator
> ------------------
>
>                 Key: FLINK-4265
>                 URL: https://issues.apache.org/jira/browse/FLINK-4265
>             Project: Flink
>          Issue Type: New Feature
>          Components: DataSet API
>    Affects Versions: 1.1.0
>            Reporter: Greg Hogan
>            Assignee: Greg Hogan
>            Priority: Minor
>
> One recent feature of Gelly is algorithms which detect duplicated or similar computation
which can be shared. My initial implementation could only reuse a {{DataSet}} result. Before
committing to Flink this was updated to use a javassist {{ProxyFactory}} allowing configuration
to be merged and results to be replaced. There were some issues, as identified in FLINK-4257.
With a {{NoOpOperator}} we can remove the use of {{ProxyFactory}} and resolve the identified
issues.
> This ticket adds a {{NoOpOperator}} which is unwound in {{OperatorTranslation.translate}}.
The {{NoOpOperator}} contains a {{DataSet}} which is accessed by a getter and setter.



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