org.openimaj.hadoop.tools.twitter.token.mode.dfidf

Class CountTweetsInTimeperiod.InMemoryCombiningReducer

java.lang.Object

org.apache.hadoop.mapreduce.Reducer<org.apache.hadoop.io.LongWritable,org.apache.hadoop.io.BytesWritable,org.apache.hadoop.io.LongWritable,org.apache.hadoop.io.BytesWritable>

org.openimaj.hadoop.tools.twitter.token.mode.dfidf.CountTweetsInTimeperiod.InMemoryCombiningReducer

Enclosing class:

CountTweetsInTimeperiod

public static class CountTweetsInTimeperiod.InMemoryCombiningReducer
extends org.apache.hadoop.mapreduce.Reducer<org.apache.hadoop.io.LongWritable,org.apache.hadoop.io.BytesWritable,org.apache.hadoop.io.LongWritable,org.apache.hadoop.io.BytesWritable>

reduce input: ,...,]> reduce output: ,,,...>

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
InMemoryCombiningReducer() default construct does nothing

Method Summary

Modifier and Type	Method and Description
protected void	reduce(org.apache.hadoop.io.LongWritable key, Iterable<org.apache.hadoop.io.BytesWritable> values, 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

InMemoryCombiningReducer

public InMemoryCombiningReducer()

default construct does nothing

Method Detail

reduce

protected void reduce(org.apache.hadoop.io.LongWritable key,
                      Iterable<org.apache.hadoop.io.BytesWritable> values,
                      org.apache.hadoop.mapreduce.Reducer.Context context)
               throws IOException,
                      InterruptedException

Overrides:

reduce in class org.apache.hadoop.mapreduce.Reducer<org.apache.hadoop.io.LongWritable,org.apache.hadoop.io.BytesWritable,org.apache.hadoop.io.LongWritable,org.apache.hadoop.io.BytesWritable>

Throws:

IOException

InterruptedException