org.apache.mahout.math.hadoop
Class TimesSquaredJob.VectorSummingReducer

java.lang.Object
  extended by org.apache.hadoop.mapred.MapReduceBase
      extended by org.apache.mahout.math.hadoop.TimesSquaredJob.VectorSummingReducer
All Implemented Interfaces:
Closeable, org.apache.hadoop.mapred.JobConfigurable, org.apache.hadoop.mapred.Reducer<org.apache.hadoop.io.NullWritable,VectorWritable,org.apache.hadoop.io.NullWritable,VectorWritable>
Enclosing class:
TimesSquaredJob

public static class TimesSquaredJob.VectorSummingReducer
extends org.apache.hadoop.mapred.MapReduceBase
implements org.apache.hadoop.mapred.Reducer<org.apache.hadoop.io.NullWritable,VectorWritable,org.apache.hadoop.io.NullWritable,VectorWritable>


Constructor Summary
TimesSquaredJob.VectorSummingReducer()
           
 
Method Summary
 void configure(org.apache.hadoop.mapred.JobConf conf)
           
 void reduce(org.apache.hadoop.io.NullWritable n, Iterator<VectorWritable> vectors, org.apache.hadoop.mapred.OutputCollector<org.apache.hadoop.io.NullWritable,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

TimesSquaredJob.VectorSummingReducer

public TimesSquaredJob.VectorSummingReducer()
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.NullWritable n,
                   Iterator<VectorWritable> vectors,
                   org.apache.hadoop.mapred.OutputCollector<org.apache.hadoop.io.NullWritable,VectorWritable> out,
                   org.apache.hadoop.mapred.Reporter reporter)
            throws IOException
Specified by:
reduce in interface org.apache.hadoop.mapred.Reducer<org.apache.hadoop.io.NullWritable,VectorWritable,org.apache.hadoop.io.NullWritable,VectorWritable>
Throws:
IOException


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