@Override
    public String obtainMROutputDirProp() {
      // This is a copy of o.a.h.mapreduce.lib.output.FileOutputFormat.OUTDIR
      // from Hadoop 0.23.x. If we use the source directly we break the hadoop 1.x compile.
      return "mapreduce.output.fileoutputformat.outputdir";
    }
This class provides shims for HBase to interact with the Hadoop 1.0.x and the Hadoop 0.23.x
series. NOTE: No testing done against 0.22.x, or 0.21.x.
hbase-server/src/test/java/org/apache/hadoop/hbase/tool/MapreduceTestingShim.java