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https://issues.apache.org/jira/browse/TEZ-1062?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13974923#comment-13974923
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Bikas Saha commented on TEZ-1062:
---------------------------------

For now, we can start with just the code that got left out of TEZ-700 and 
provide the empty impls along with a pre-op that calls input.start() for all 
inputs. Lets see how that looks. Then we can add a post-op that examines all 
outputs and calls commit for all instances of MROutput.

> Create SimpleProcessor for processors that only need to implement the run 
> method
> --------------------------------------------------------------------------------
>
>                 Key: TEZ-1062
>                 URL: https://issues.apache.org/jira/browse/TEZ-1062
>             Project: Apache Tez
>          Issue Type: Sub-task
>            Reporter: Bikas Saha
>            Assignee: Mohammad Kamrul Islam
>
> The SimpleProcessor could take care of all things like starting input, 
> committing outputs. It would handle no events, since simple processors dont 
> need to handle inputs. Thus the user would only need to implement their 
> custom task logic in a new execute() method.



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