Class GafferMapper<KEY_IN,​VALUE_IN,​KEY_OUT,​VALUE_OUT>

  • Type Parameters:
    KEY_IN - type of input key
    VALUE_IN - type of input value
    KEY_OUT - type of output key
    VALUE_OUT - type of output value
    Direct Known Subclasses:
    AddElementsFromHdfsMapper, SampleDataForSplitPointsMapper

    public abstract class GafferMapper<KEY_IN,​VALUE_IN,​KEY_OUT,​VALUE_OUT>
    extends org.apache.hadoop.mapreduce.Mapper<KEY_IN,​VALUE_IN,​KEY_OUT,​VALUE_OUT>
    An GafferMapper is a Mapper that uses a MapperGenerator to map the input data into Elements and then delegates the elements to an abstract map method to serialise them and add them to the job map context.
    • Nested Class Summary

      • Nested classes/interfaces inherited from class org.apache.hadoop.mapreduce.Mapper

        org.apache.hadoop.mapreduce.Mapper.Context
    • Constructor Summary

      Constructors 
      Constructor Description
      GafferMapper()  
    • Constructor Detail

      • GafferMapper

        public GafferMapper()