co.cask.cdap.examples.loganalysis

Class HitCounterProgram.Emitter

java.lang.Object

org.apache.hadoop.mapreduce.Mapper<LongWritable,Text,Text,IntWritable>

co.cask.cdap.examples.loganalysis.HitCounterProgram.Emitter

Enclosing class:

HitCounterProgram

public static class HitCounterProgram.Emitter
extends Mapper<LongWritable,Text,Text,IntWritable>

A mapper that emits each url or path with a value of 1.

Nested Class Summary

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

Mapper.Context

Constructor Summary

Constructors

Constructor and Description
HitCounterProgram.Emitter()

Method Summary

Methods

Modifier and Type	Method and Description
protected void	map(LongWritable key, Text value, Mapper.Context context)

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

cleanup, run, setup

Methods inherited from class java.lang.Object

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

Constructor Detail

HitCounterProgram.Emitter

public HitCounterProgram.Emitter()

Method Detail

map

protected void map(LongWritable key,
       Text value,
       Mapper.Context context)
            throws IOException,
                   InterruptedException

Overrides:

map in class Mapper<LongWritable,Text,Text,IntWritable>

Throws:

IOException

InterruptedException