public static MapContext newMapContext ( Configuration conf , TaskAttemptID taskAttemptID , RecordReader recordReader , RecordWriter recordWriter , OutputCommitter outputCommitter , StatusReporter statusReporter , InputSplit inputSplit ) { return ( MapContext ) newInstance ( MAP_CONTEXT_CONSTRUCTOR , conf , taskAttemptID , recordReader , recordWriter , outputCommitter , statusReporter , inputSplit ) ; }
Instantiates MapContext under Hadoop 1 and MapContextImpl under Hadoop 2 .