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CrunchMapper (Apache Crunch 0.9.0 API)

org.apache.crunch.impl.mr.run
Class CrunchMapper

java.lang.Object
  extended by org.apache.hadoop.mapreduce.Mapper<Object,Object,Object,Object>
      extended by org.apache.crunch.impl.mr.run.CrunchMapper

public class CrunchMapper
extends org.apache.hadoop.mapreduce.Mapper<Object,Object,Object,Object>


Nested Class Summary
 
Nested classes/interfaces inherited from class org.apache.hadoop.mapreduce.Mapper
org.apache.hadoop.mapreduce.Mapper.Context
 
Constructor Summary
CrunchMapper()
           
 
Method Summary
protected  void cleanup(org.apache.hadoop.mapreduce.Mapper.Context context)
           
protected  void map(Object k, Object v, org.apache.hadoop.mapreduce.Mapper.Context context)
           
protected  void setup(org.apache.hadoop.mapreduce.Mapper.Context context)
           
 
Methods inherited from class org.apache.hadoop.mapreduce.Mapper
run
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

CrunchMapper

public CrunchMapper()
Method Detail

setup

protected void setup(org.apache.hadoop.mapreduce.Mapper.Context context)
Overrides:
setup in class org.apache.hadoop.mapreduce.Mapper<Object,Object,Object,Object>

map

protected void map(Object k,
                   Object v,
                   org.apache.hadoop.mapreduce.Mapper.Context context)
Overrides:
map in class org.apache.hadoop.mapreduce.Mapper<Object,Object,Object,Object>

cleanup

protected void cleanup(org.apache.hadoop.mapreduce.Mapper.Context context)
Overrides:
cleanup in class org.apache.hadoop.mapreduce.Mapper<Object,Object,Object,Object>


Copyright © 2014 The Apache Software Foundation. All Rights Reserved.