org.apache.mahout.clustering.lda.cvb
Class CVB0TopicTermVectorNormalizerMapper

java.lang.Object
  extended by org.apache.hadoop.mapreduce.Mapper<org.apache.hadoop.io.IntWritable,VectorWritable,org.apache.hadoop.io.IntWritable,VectorWritable>
      extended by org.apache.mahout.clustering.lda.cvb.CVB0TopicTermVectorNormalizerMapper

public class CVB0TopicTermVectorNormalizerMapper
extends org.apache.hadoop.mapreduce.Mapper<org.apache.hadoop.io.IntWritable,VectorWritable,org.apache.hadoop.io.IntWritable,VectorWritable>

Performs L1 normalization of input vectors.


Nested Class Summary
 
Nested classes/interfaces inherited from class org.apache.hadoop.mapreduce.Mapper
org.apache.hadoop.mapreduce.Mapper.Context
 
Constructor Summary
CVB0TopicTermVectorNormalizerMapper()
           
 
Method Summary
protected  void map(org.apache.hadoop.io.IntWritable key, VectorWritable value, org.apache.hadoop.mapreduce.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

CVB0TopicTermVectorNormalizerMapper

public CVB0TopicTermVectorNormalizerMapper()
Method Detail

map

protected void map(org.apache.hadoop.io.IntWritable key,
                   VectorWritable value,
                   org.apache.hadoop.mapreduce.Mapper.Context context)
            throws IOException,
                   InterruptedException
Overrides:
map in class org.apache.hadoop.mapreduce.Mapper<org.apache.hadoop.io.IntWritable,VectorWritable,org.apache.hadoop.io.IntWritable,VectorWritable>
Throws:
IOException
InterruptedException


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