org.apache.accumulo.examples.simple.filedata

Class CharacterHistogram.HistMapper

java.lang.Object

org.apache.hadoop.mapreduce.Mapper<List<Map.Entry<Key,Value>>,InputStream,org.apache.hadoop.io.Text,Mutation>

org.apache.accumulo.examples.simple.filedata.CharacterHistogram.HistMapper

Enclosing class:

CharacterHistogram

public static class CharacterHistogram.HistMapper
extends org.apache.hadoop.mapreduce.Mapper<List<Map.Entry<Key,Value>>,InputStream,org.apache.hadoop.io.Text,Mutation>

Nested Class Summary

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

org.apache.hadoop.mapreduce.Mapper.Context

Constructor Summary

Constructors

Constructor and Description
CharacterHistogram.HistMapper()

Method Summary

Methods

Modifier and Type	Method and Description
void	map(List<Map.Entry<Key,Value>> k, InputStream 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

cleanup, run

Methods inherited from class java.lang.Object

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

Constructor Detail

CharacterHistogram.HistMapper

public CharacterHistogram.HistMapper()

Method Detail

map

public void map(List<Map.Entry<Key,Value>> k,
       InputStream v,
       org.apache.hadoop.mapreduce.Mapper.Context context)
         throws IOException,
                InterruptedException

Overrides:

map in class org.apache.hadoop.mapreduce.Mapper<List<Map.Entry<Key,Value>>,InputStream,org.apache.hadoop.io.Text,Mutation>

Throws:

IOException

InterruptedException

setup

protected void setup(org.apache.hadoop.mapreduce.Mapper.Context context)
              throws IOException,
                     InterruptedException

Overrides:

setup in class org.apache.hadoop.mapreduce.Mapper<List<Map.Entry<Key,Value>>,InputStream,org.apache.hadoop.io.Text,Mutation>

Throws:

IOException

InterruptedException