co.cask.cdap.examples.loganalysis

Class HitCounterProgram.Counter

java.lang.Object

org.apache.hadoop.mapreduce.Reducer<Text,IntWritable,byte[],byte[]>

co.cask.cdap.examples.loganalysis.HitCounterProgram.Counter

Enclosing class:

HitCounterProgram

public static class HitCounterProgram.Counter
extends Reducer<Text,IntWritable,byte[],byte[]>

A reducer that sums up the counts for each key.

Nested Class Summary

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

Reducer.Context

Constructor Summary

Constructors

Constructor and Description
HitCounterProgram.Counter()

Method Summary

Methods

Modifier and Type	Method and Description
void	reduce(Text key, Iterable<IntWritable> values, 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

HitCounterProgram.Counter

public HitCounterProgram.Counter()

Method Detail

reduce

public void reduce(Text key,
          Iterable<IntWritable> values,
          Reducer.Context context)
            throws IOException,
                   InterruptedException

Overrides:

reduce in class Reducer<Text,IntWritable,byte[],byte[]>

Throws:

IOException

InterruptedException