org.apache.mahout.math.hadoop.stochasticsvd
Class BBtJob.BBtReducer

java.lang.Object
  extended by org.apache.hadoop.mapreduce.Reducer<org.apache.hadoop.io.IntWritable,VectorWritable,org.apache.hadoop.io.IntWritable,VectorWritable>
      extended by org.apache.mahout.math.hadoop.stochasticsvd.BBtJob.BBtReducer
Enclosing class:
BBtJob

public static class BBtJob.BBtReducer
extends org.apache.hadoop.mapreduce.Reducer<org.apache.hadoop.io.IntWritable,VectorWritable,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
BBtJob.BBtReducer()
           
 
Method Summary
protected  void cleanup(org.apache.hadoop.mapreduce.Reducer.Context context)
           
protected  void reduce(org.apache.hadoop.io.IntWritable iw, Iterable<VectorWritable> ivw, org.apache.hadoop.mapreduce.Reducer.Context ctx)
           
 
Methods inherited from class org.apache.hadoop.mapreduce.Reducer
run, setup
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

BBtJob.BBtReducer

public BBtJob.BBtReducer()
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,VectorWritable,org.apache.hadoop.io.IntWritable,VectorWritable>
Throws:
IOException
InterruptedException

reduce

protected void reduce(org.apache.hadoop.io.IntWritable iw,
                      Iterable<VectorWritable> ivw,
                      org.apache.hadoop.mapreduce.Reducer.Context ctx)
               throws IOException,
                      InterruptedException
Overrides:
reduce in class org.apache.hadoop.mapreduce.Reducer<org.apache.hadoop.io.IntWritable,VectorWritable,org.apache.hadoop.io.IntWritable,VectorWritable>
Throws:
IOException
InterruptedException


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