[jira] Created: (MAPREDUCE-1678) Change org.apache.hadoop.mapreduce.Cluster methods to allow for extending

["Kyle Ellrott (JIRA)" <ji...@apache.org>]

Change org.apache.hadoop.mapreduce.Cluster methods to allow for extending
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                 Key: MAPREDUCE-1678
                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-1678
             Project: Hadoop Map/Reduce
          Issue Type: New Feature
          Components: job submission
            Reporter: Kyle Ellrott
            Priority: Trivial


Change methods in org.apache.hadoop.mapreduce.Cluster from private to protected to allow extension of cluster.
If the method createRPCProxy is changed from private to protected, then alternate cluster implementations could be written that return other ClientProtocol's. 
For example, changing the protocol some custom implementation called SimpleClient
 
ie:
public class SimpleCluster extends Cluster {
  @Override
  protected ClientProtocol createRPCProxy(InetSocketAddress addr, Configuration conf) throws IOException {
    return new SimpleClient(conf);
  } 
}




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