eu.dicodeproject.analysis.wordcount
Class WordCountReducer

java.lang.Object
  org.apache.hadoop.mapreduce.Reducer<KEYIN,VALUEIN,KEYOUT,org.apache.hadoop.io.Writable>
      org.apache.hadoop.hbase.mapreduce.TableReducer<org.apache.hadoop.io.Text,org.apache.hadoop.io.IntWritable,org.apache.hadoop.io.Text>
          eu.dicodeproject.analysis.wordcount.WordCountReducer

public class WordCountReducer
extends org.apache.hadoop.hbase.mapreduce.TableReducer<org.apache.hadoop.io.Text,org.apache.hadoop.io.IntWritable,org.apache.hadoop.io.Text>

Write word counts to a table, The date is the row ID, the column qualifier is the word.

Nested Class Summary

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

org.apache.hadoop.mapreduce.Reducer.Context

Constructor Summary

WordCountReducer()

Method Summary

void	reduce(org.apache.hadoop.io.Text keyin, Iterable<org.apache.hadoop.io.IntWritable> 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

WordCountReducer

public WordCountReducer()

Method Detail

reduce

public void reduce(org.apache.hadoop.io.Text keyin,
                   Iterable<org.apache.hadoop.io.IntWritable> values,
                   org.apache.hadoop.mapreduce.Reducer.Context context)
            throws IOException,
                   InterruptedException

Overrides:

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

Throws:

IOException

InterruptedException