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From "Rajesh Putta (JIRA)" <j...@apache.org>
Subject [jira] [Created] (MAPREDUCE-2759) TaskTrackerAction should follow Open Closed Principle
Date Mon, 01 Aug 2011 08:57:09 GMT
TaskTrackerAction should follow Open Closed Principle
-----------------------------------------------------

                 Key: MAPREDUCE-2759
                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-2759
             Project: Hadoop Map/Reduce
          Issue Type: Improvement
          Components: tasktracker
    Affects Versions: 0.23.0
         Environment: NA
            Reporter: Rajesh Putta
            Priority: Minor


In the class TaskTrackerAction  there are fixed actions or directions specified from the Job
Tracker to the Task Tracker.So if in the future if some more actions are specified from the
Job Tracker to Task Tracker,Current implementation is breaking Open Closed Principle(Open
for extension,closed for modification).As the number of actions increases in the future, the
code need to be modified to incorporate the actions.

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