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From "Eli Collins (JIRA)" <j...@apache.org>
Subject [jira] [Moved] (MAPREDUCE-2826) Change the job state observer classes to interfaces
Date Thu, 11 Aug 2011 18:36:27 GMT

     [ https://issues.apache.org/jira/browse/MAPREDUCE-2826?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

Eli Collins moved HADOOP-3801 to MAPREDUCE-2826:

        Key: MAPREDUCE-2826  (was: HADOOP-3801)
    Project: Hadoop Map/Reduce  (was: Hadoop Common)

> Change the job state observer classes to interfaces
> ---------------------------------------------------
>                 Key: MAPREDUCE-2826
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-2826
>             Project: Hadoop Map/Reduce
>          Issue Type: Improvement
>            Reporter: Owen O'Malley
>            Assignee: Vivek Ratan
> Schedulers will most often want to be the observers of the job state events in a single
class. Therefore, I think they should  be interfaces which can have multiple inheritance.

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