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https://issues.apache.org/jira/browse/MAPREDUCE-2661?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Ahmed Radwan updated MAPREDUCE-2661:
------------------------------------

    Status: Patch Available  (was: Open)

Reorganization of the related code in TaskImpl, MapTaskImpl and ReduceTaskImpl.

> Accessing MapTaskImpl from TaskImpl
> -----------------------------------
>
>                 Key: MAPREDUCE-2661
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-2661
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>          Components: mrv2
>            Reporter: Ahmed Radwan
>            Assignee: Ahmed Radwan
>            Priority: Minor
>         Attachments: MAPREDUCE-2661.patch
>
>
> We are directly accessing MapTaskImpl in 
> TaskImpl.InitialScheduleTransition.transition(..). It'll be better to 
> reorganize the code so each subclass can provide its own behavior instead of 
> explicitly checking for the subclass type. 

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