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https://issues.apache.org/jira/browse/TEZ-138?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Hitesh Shah updated TEZ-138:
----------------------------
    Labels:   (was: TEZ-0.3.0 TEZ-1)

> Merge DAG/DAGImpl, Vertex/VertexImpl, Task/TaskImpl, 
> TaskAttempt/TaskAttemptImpl
> --------------------------------------------------------------------------------
>
>                 Key: TEZ-138
>                 URL: https://issues.apache.org/jira/browse/TEZ-138
>             Project: Apache Tez
>          Issue Type: Improvement
>            Reporter: Bikas Saha
>
> We are not going to have another impl of these interfaces. What are they 
> buying us other than overhead of overriding every new public method.
> For tests, every class and every methods can be overridden and mocked.



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