org.apache.hadoop.mapreduce.lib.map
Class WrappedMapper<KEYIN,VALUEIN,KEYOUT,VALUEOUT>

java.lang.Object
  org.apache.hadoop.mapreduce.Mapper<KEYIN,VALUEIN,KEYOUT,VALUEOUT>
      org.apache.hadoop.mapreduce.lib.map.WrappedMapper<KEYIN,VALUEIN,KEYOUT,VALUEOUT>

@InterfaceAudience.Public
@InterfaceStability.Evolving
public class WrappedMapper<KEYIN,VALUEIN,KEYOUT,VALUEOUT>
extends Mapper<KEYIN,VALUEIN,KEYOUT,VALUEOUT>

A Mapper which wraps a given one to allow custom WrappedMapper.Context implementations.

Constructor Summary

WrappedMapper()

Method Summary

org.apache.hadoop.mapreduce.Mapper.Context

getMapContext(MapContext<KEYIN,VALUEIN,KEYOUT,VALUEOUT> mapContext) Get a wrapped WrappedMapper.Context for custom implementations.

Methods inherited from class org.apache.hadoop.mapreduce.Mapper

cleanup, map, run, setup

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

WrappedMapper

public WrappedMapper()

Method Detail

getMapContext

public org.apache.hadoop.mapreduce.Mapper.Context getMapContext(MapContext<KEYIN,VALUEIN,KEYOUT,VALUEOUT> mapContext)

Get a wrapped WrappedMapper.Context for custom implementations.

Parameters:

mapContext - MapContext to be wrapped

Returns:

a wrapped Mapper.Context for custom implementations