org.apache.mahout.math.stats.entropy
Class VarIntSumReducer

java.lang.Object
  extended by org.apache.hadoop.mapreduce.Reducer<org.apache.hadoop.io.Writable,VarIntWritable,org.apache.hadoop.io.Writable,VarIntWritable>
      extended by org.apache.mahout.math.stats.entropy.VarIntSumReducer

public final class VarIntSumReducer
extends org.apache.hadoop.mapreduce.Reducer<org.apache.hadoop.io.Writable,VarIntWritable,org.apache.hadoop.io.Writable,VarIntWritable>

The analog of org.apache.hadoop.mapreduce.lib.reduce.IntSumReducer which uses VarIntWritable.


Nested Class Summary
 
Nested classes/interfaces inherited from class org.apache.hadoop.mapreduce.Reducer
org.apache.hadoop.mapreduce.Reducer.Context
 
Constructor Summary
VarIntSumReducer()
           
 
Method Summary
protected  void reduce(org.apache.hadoop.io.Writable key, Iterable<VarIntWritable> values, org.apache.hadoop.mapreduce.Reducer.Context context)
           
 
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

VarIntSumReducer

public VarIntSumReducer()
Method Detail

reduce

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


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