org.apache.mahout.vectorizer.pruner
Class PrunedPartialVectorMergeReducer

java.lang.Object
  extended by org.apache.hadoop.mapreduce.Reducer<org.apache.hadoop.io.WritableComparable<?>,VectorWritable,org.apache.hadoop.io.WritableComparable<?>,VectorWritable>
      extended by org.apache.mahout.vectorizer.pruner.PrunedPartialVectorMergeReducer

public class PrunedPartialVectorMergeReducer
extends org.apache.hadoop.mapreduce.Reducer<org.apache.hadoop.io.WritableComparable<?>,VectorWritable,org.apache.hadoop.io.WritableComparable<?>,VectorWritable>


Nested Class Summary
 
Nested classes/interfaces inherited from class org.apache.hadoop.mapreduce.Reducer
org.apache.hadoop.mapreduce.Reducer.Context
 
Constructor Summary
PrunedPartialVectorMergeReducer()
           
 
Method Summary
protected  void reduce(org.apache.hadoop.io.WritableComparable<?> key, Iterable<VectorWritable> 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
cleanup, run
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

PrunedPartialVectorMergeReducer

public PrunedPartialVectorMergeReducer()
Method Detail

reduce

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


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