org.apache.mahout.cf.taste.hadoop.similarity.item
Class MostSimilarItemPairsReducer

java.lang.Object
  extended by org.apache.hadoop.mapreduce.Reducer<EntityEntityWritable,org.apache.hadoop.io.DoubleWritable,EntityEntityWritable,org.apache.hadoop.io.DoubleWritable>
      extended by org.apache.mahout.cf.taste.hadoop.similarity.item.MostSimilarItemPairsReducer

public class MostSimilarItemPairsReducer
extends org.apache.hadoop.mapreduce.Reducer<EntityEntityWritable,org.apache.hadoop.io.DoubleWritable,EntityEntityWritable,org.apache.hadoop.io.DoubleWritable>


Nested Class Summary
 
Nested classes/interfaces inherited from class org.apache.hadoop.mapreduce.Reducer
org.apache.hadoop.mapreduce.Reducer.Context
 
Constructor Summary
MostSimilarItemPairsReducer()
           
 
Method Summary
protected  void reduce(EntityEntityWritable itemIDPair, java.lang.Iterable<org.apache.hadoop.io.DoubleWritable> values, org.apache.hadoop.mapreduce.Reducer.Context ctx)
           
 
Methods inherited from class org.apache.hadoop.mapreduce.Reducer
cleanup, run, setup
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

MostSimilarItemPairsReducer

public MostSimilarItemPairsReducer()
Method Detail

reduce

protected void reduce(EntityEntityWritable itemIDPair,
                      java.lang.Iterable<org.apache.hadoop.io.DoubleWritable> values,
                      org.apache.hadoop.mapreduce.Reducer.Context ctx)
               throws java.io.IOException,
                      java.lang.InterruptedException
Overrides:
reduce in class org.apache.hadoop.mapreduce.Reducer<EntityEntityWritable,org.apache.hadoop.io.DoubleWritable,EntityEntityWritable,org.apache.hadoop.io.DoubleWritable>
Throws:
java.io.IOException
java.lang.InterruptedException


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