org.apache.mahout.vectorizer.document

Class SequenceFileTokenizerMapper

java.lang.Object

org.apache.hadoop.mapreduce.Mapper<org.apache.hadoop.io.Text,org.apache.hadoop.io.Text,org.apache.hadoop.io.Text,StringTuple>

org.apache.mahout.vectorizer.document.SequenceFileTokenizerMapper

public class SequenceFileTokenizerMapper
extends org.apache.hadoop.mapreduce.Mapper<org.apache.hadoop.io.Text,org.apache.hadoop.io.Text,org.apache.hadoop.io.Text,StringTuple>

Tokenizes a text document and outputs tokens in a StringTuple

Nested Class Summary

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

org.apache.hadoop.mapreduce.Mapper.Context

Constructor Summary

Constructors

Constructor and Description
SequenceFileTokenizerMapper()

Method Summary

Methods

Modifier and Type	Method and Description
protected void	map(org.apache.hadoop.io.Text key, org.apache.hadoop.io.Text value, org.apache.hadoop.mapreduce.Mapper.Context context)
protected void	setup(org.apache.hadoop.mapreduce.Mapper.Context context)

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

cleanup, run

Methods inherited from class java.lang.Object

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

Constructor Detail

SequenceFileTokenizerMapper

public SequenceFileTokenizerMapper()

Method Detail

map

protected void map(org.apache.hadoop.io.Text key,
       org.apache.hadoop.io.Text value,
       org.apache.hadoop.mapreduce.Mapper.Context context)
            throws IOException,
                   InterruptedException

Overrides:

map in class org.apache.hadoop.mapreduce.Mapper<org.apache.hadoop.io.Text,org.apache.hadoop.io.Text,org.apache.hadoop.io.Text,StringTuple>

Throws:

IOException

InterruptedException

setup

protected void setup(org.apache.hadoop.mapreduce.Mapper.Context context)
              throws IOException,
                     InterruptedException

Overrides:

setup in class org.apache.hadoop.mapreduce.Mapper<org.apache.hadoop.io.Text,org.apache.hadoop.io.Text,org.apache.hadoop.io.Text,StringTuple>

Throws:

IOException

InterruptedException