org.apache.mahout.clustering.evaluation
Class RepresentativePointsReducer

java.lang.Object
  extended by org.apache.hadoop.mapreduce.Reducer<org.apache.hadoop.io.IntWritable,WeightedVectorWritable,org.apache.hadoop.io.IntWritable,VectorWritable>
      extended by org.apache.mahout.clustering.evaluation.RepresentativePointsReducer

public class RepresentativePointsReducer
extends org.apache.hadoop.mapreduce.Reducer<org.apache.hadoop.io.IntWritable,WeightedVectorWritable,org.apache.hadoop.io.IntWritable,VectorWritable>


Nested Class Summary
 
Nested classes/interfaces inherited from class org.apache.hadoop.mapreduce.Reducer
org.apache.hadoop.mapreduce.Reducer.Context
 
Constructor Summary
RepresentativePointsReducer()
           
 
Method Summary
protected  void cleanup(org.apache.hadoop.mapreduce.Reducer.Context context)
           
 void configure(Map<Integer,List<VectorWritable>> representativePoints)
           
protected  void reduce(org.apache.hadoop.io.IntWritable key, Iterable<WeightedVectorWritable> 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
run
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

RepresentativePointsReducer

public RepresentativePointsReducer()
Method Detail

cleanup

protected void cleanup(org.apache.hadoop.mapreduce.Reducer.Context context)
                throws IOException,
                       InterruptedException
Overrides:
cleanup in class org.apache.hadoop.mapreduce.Reducer<org.apache.hadoop.io.IntWritable,WeightedVectorWritable,org.apache.hadoop.io.IntWritable,VectorWritable>
Throws:
IOException
InterruptedException

reduce

protected void reduce(org.apache.hadoop.io.IntWritable key,
                      Iterable<WeightedVectorWritable> values,
                      org.apache.hadoop.mapreduce.Reducer.Context context)
               throws IOException,
                      InterruptedException
Overrides:
reduce in class org.apache.hadoop.mapreduce.Reducer<org.apache.hadoop.io.IntWritable,WeightedVectorWritable,org.apache.hadoop.io.IntWritable,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.IntWritable,WeightedVectorWritable,org.apache.hadoop.io.IntWritable,VectorWritable>
Throws:
IOException
InterruptedException

configure

public void configure(Map<Integer,List<VectorWritable>> representativePoints)


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