org.apache.mahout.math.hadoop
Class TransposeJob.TransposeReducer

java.lang.Object
  extended by org.apache.hadoop.mapred.MapReduceBase
      extended by org.apache.mahout.math.hadoop.TransposeJob.TransposeReducer
All Implemented Interfaces:
java.io.Closeable, org.apache.hadoop.mapred.JobConfigurable, org.apache.hadoop.mapred.Reducer<org.apache.hadoop.io.IntWritable,DistributedRowMatrix.MatrixEntryWritable,org.apache.hadoop.io.IntWritable,VectorWritable>
Enclosing class:
TransposeJob

public static class TransposeJob.TransposeReducer
extends org.apache.hadoop.mapred.MapReduceBase
implements org.apache.hadoop.mapred.Reducer<org.apache.hadoop.io.IntWritable,DistributedRowMatrix.MatrixEntryWritable,org.apache.hadoop.io.IntWritable,VectorWritable>


Constructor Summary
TransposeJob.TransposeReducer()
           
 
Method Summary
 void configure(org.apache.hadoop.mapred.JobConf conf)
           
 void reduce(org.apache.hadoop.io.IntWritable outRow, java.util.Iterator<DistributedRowMatrix.MatrixEntryWritable> it, org.apache.hadoop.mapred.OutputCollector<org.apache.hadoop.io.IntWritable,VectorWritable> out, org.apache.hadoop.mapred.Reporter reporter)
           
 
Methods inherited from class org.apache.hadoop.mapred.MapReduceBase
close
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 
Methods inherited from interface java.io.Closeable
close
 

Constructor Detail

TransposeJob.TransposeReducer

public TransposeJob.TransposeReducer()
Method Detail

configure

public void configure(org.apache.hadoop.mapred.JobConf conf)
Specified by:
configure in interface org.apache.hadoop.mapred.JobConfigurable
Overrides:
configure in class org.apache.hadoop.mapred.MapReduceBase

reduce

public void reduce(org.apache.hadoop.io.IntWritable outRow,
                   java.util.Iterator<DistributedRowMatrix.MatrixEntryWritable> it,
                   org.apache.hadoop.mapred.OutputCollector<org.apache.hadoop.io.IntWritable,VectorWritable> out,
                   org.apache.hadoop.mapred.Reporter reporter)
            throws java.io.IOException
Specified by:
reduce in interface org.apache.hadoop.mapred.Reducer<org.apache.hadoop.io.IntWritable,DistributedRowMatrix.MatrixEntryWritable,org.apache.hadoop.io.IntWritable,VectorWritable>
Throws:
java.io.IOException


Copyright © 2008-2010 The Apache Software Foundation. All Rights Reserved.