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.

Nested Class Summary

class

WrappedMapper.Context

Constructor Summary

WrappedMapper()

Method Summary

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 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