Package org.apache.hadoop.mapred.nativetask

Interface ICombineHandler

@Private public interface ICombineHandler
interacts with native side to support Java Combiner

  • Method Summary

    Modifier and Type
    Method
    Description
    void
    close()
    close handlers, buffer pullers and pushers
    void
    combine()
    run combiner
    long
    getId()
     

  • Method Details

    • combine

      void combine() throws IOException
      run combiner
      Throws:
      IOException

    • getId

      long getId()
      Returns:
      id of this handler

    • close

      void close() throws IOException
      close handlers, buffer pullers and pushers
      Throws:
      IOException