org.apache.mahout.clustering.minhash
Class MinHashReducer

java.lang.Object
  extended by org.apache.hadoop.mapreduce.Reducer<org.apache.hadoop.io.Text,org.apache.hadoop.io.Writable,org.apache.hadoop.io.Text,org.apache.hadoop.io.Writable>
      extended by org.apache.mahout.clustering.minhash.MinHashReducer

public class MinHashReducer
extends org.apache.hadoop.mapreduce.Reducer<org.apache.hadoop.io.Text,org.apache.hadoop.io.Writable,org.apache.hadoop.io.Text,org.apache.hadoop.io.Writable>


Nested Class Summary
 
Nested classes/interfaces inherited from class org.apache.hadoop.mapreduce.Reducer
org.apache.hadoop.mapreduce.Reducer.Context
 
Constructor Summary
MinHashReducer()
           
 
Method Summary
protected  void reduce(org.apache.hadoop.io.Text cluster, java.lang.Iterable<org.apache.hadoop.io.Writable> points, org.apache.hadoop.mapreduce.Reducer.Context context)
          output the items clustered
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

MinHashReducer

public MinHashReducer()
Method Detail

setup

protected void setup(org.apache.hadoop.mapreduce.Reducer.Context context)
              throws java.io.IOException,
                     java.lang.InterruptedException
Overrides:
setup in class org.apache.hadoop.mapreduce.Reducer<org.apache.hadoop.io.Text,org.apache.hadoop.io.Writable,org.apache.hadoop.io.Text,org.apache.hadoop.io.Writable>
Throws:
java.io.IOException
java.lang.InterruptedException

reduce

protected void reduce(org.apache.hadoop.io.Text cluster,
                      java.lang.Iterable<org.apache.hadoop.io.Writable> points,
                      org.apache.hadoop.mapreduce.Reducer.Context context)
               throws java.io.IOException,
                      java.lang.InterruptedException
output the items clustered

Overrides:
reduce in class org.apache.hadoop.mapreduce.Reducer<org.apache.hadoop.io.Text,org.apache.hadoop.io.Writable,org.apache.hadoop.io.Text,org.apache.hadoop.io.Writable>
Throws:
java.io.IOException
java.lang.InterruptedException


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