org.apache.mahout.vectorizer.term

Class TFPartialVectorReducer

java.lang.Object

org.apache.hadoop.mapreduce.Reducer<org.apache.hadoop.io.Text,StringTuple,org.apache.hadoop.io.Text,VectorWritable>

org.apache.mahout.vectorizer.term.TFPartialVectorReducer

public class TFPartialVectorReducer
extends org.apache.hadoop.mapreduce.Reducer<org.apache.hadoop.io.Text,StringTuple,org.apache.hadoop.io.Text,VectorWritable>

Converts a document in to a sparse vector

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
TFPartialVectorReducer()

Method Summary

Modifier and Type	Method and Description
protected void	reduce(org.apache.hadoop.io.Text key, Iterable<StringTuple> values, org.apache.hadoop.mapreduce.Reducer.Context context)
protected void	setup(org.apache.hadoop.mapreduce.Reducer.Context context)

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

cleanup, run

Methods inherited from class java.lang.Object

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

Constructor Detail

TFPartialVectorReducer

public TFPartialVectorReducer()

Method Detail

reduce

protected void reduce(org.apache.hadoop.io.Text key,
                      Iterable<StringTuple> 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,StringTuple,org.apache.hadoop.io.Text,VectorWritable>

Throws:

IOException

InterruptedException

setup

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

Overrides:

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

Throws:

IOException

InterruptedException