org.openimaj.hadoop.tools.twitter.token.outputmode.sparsecsv

Class ReduceValuesByWord

java.lang.Object

org.apache.hadoop.mapreduce.Reducer<org.apache.hadoop.io.NullWritable,org.apache.hadoop.io.Text,org.apache.hadoop.io.NullWritable,org.apache.hadoop.io.Text>

org.openimaj.hadoop.tools.twitter.token.outputmode.sparsecsv.ReduceValuesByWord

public class ReduceValuesByWord
extends org.apache.hadoop.mapreduce.Reducer<org.apache.hadoop.io.NullWritable,org.apache.hadoop.io.Text,org.apache.hadoop.io.NullWritable,org.apache.hadoop.io.Text>

Writes each word,count

Author:

Sina Samangooei (ss@ecs.soton.ac.uk)

Nested Class Summary

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

org.apache.hadoop.mapreduce.Reducer.Context

Constructor Summary

Constructors

Constructor and Description
ReduceValuesByWord() construct the reduce instance, do nothing

Method Summary

Modifier and Type	Method and Description
void	reduce(org.apache.hadoop.io.NullWritable timeslot, Iterable<org.apache.hadoop.io.Text> manylines, org.apache.hadoop.mapreduce.Reducer.Context context)

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

cleanup, run, setup

Methods inherited from class java.lang.Object

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

Constructor Detail

ReduceValuesByWord

public ReduceValuesByWord()

construct the reduce instance, do nothing

Method Detail

reduce

public void reduce(org.apache.hadoop.io.NullWritable timeslot,
                   Iterable<org.apache.hadoop.io.Text> manylines,
                   org.apache.hadoop.mapreduce.Reducer.Context context)

Overrides:

reduce in class org.apache.hadoop.mapreduce.Reducer<org.apache.hadoop.io.NullWritable,org.apache.hadoop.io.Text,org.apache.hadoop.io.NullWritable,org.apache.hadoop.io.Text>