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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (FLINK-4265) Add a NoOpOperator
Date Fri, 02 Sep 2016 16:26:20 GMT

    [ https://issues.apache.org/jira/browse/FLINK-4265?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15458974#comment-15458974

ASF GitHub Bot commented on FLINK-4265:

Github user greghogan commented on the issue:

    @fhueske what is your analysis?

> 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
> 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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