Package org.apache.hadoop.mapreduce.lib.map

package org.apache.hadoop.mapreduce.lib.map

Classes

Class	Description
InverseMapper<K,V>	A Mapper that swaps keys and values.
MultithreadedMapper<K1,V1,K2,V2>	Multithreaded implementation for @link org.apache.hadoop.mapreduce.Mapper.
RegexMapper<K>	A Mapper that extracts text matching a regular expression.
TokenCounterMapper	Tokenize the input values and emit each word with a count of 1.
WrappedMapper<KEYIN,VALUEIN,KEYOUT,VALUEOUT>	A Mapper which wraps a given one to allow custom Mapper.Context implementations.