Examples of MROutput | massapi.com

      }
      for (LogicalOutput output : outputs.values()) {
        output.start();
      }


      MROutput out = (MROutput) outputs.values().iterator().next();
      KeyValueWriter kvWriter = out.getWriter();
      KeyValuesReader kvReader = (KeyValuesReader) inputs.values().iterator().next().getReader();
      while (kvReader.next()) {
        Text word = (Text) kvReader.getCurrentKey();
        int sum = 0;
        for (Object value : kvReader.getCurrentValues()) {
          sum += ((IntWritable) value).get();
        }
        kvWriter.write(word, new IntWritable(sum));
      }
      if (out.isCommitRequired()) {
        while (!context.canCommit()) {
          Thread.sleep(100);
        }
        out.commit();
      }
    }

Examples of org.apache.tez.mapreduce.output.MROutput

    if (! (lo instanceof MROutput)) {
      throw new IllegalStateException("FilterByWordOutputProcessor processor can only work with MROutput");
    }


    ShuffledUnorderedKVInput kvInput = (ShuffledUnorderedKVInput) li;
    MROutput mrOutput = (MROutput) lo;


    KeyValueReader kvReader = kvInput.getReader();
    KeyValueWriter kvWriter = mrOutput.getWriter();
    while (kvReader.next()) {
      Object key = kvReader.getCurrentKey();
      Object value = kvReader.getCurrentValue();


      kvWriter.write(key, value);
    }
    if (processorContext.canCommit()) {
      mrOutput.commit();
    } else {
      mrOutput.abort();
    }
  }

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