org.apache.mahout.clustering.streaming.mapreduce
Class StreamingKMeansMapper

java.lang.Object
  extended by org.apache.hadoop.mapreduce.Mapper<org.apache.hadoop.io.Writable,VectorWritable,org.apache.hadoop.io.IntWritable,CentroidWritable>
      extended by org.apache.mahout.clustering.streaming.mapreduce.StreamingKMeansMapper

public class StreamingKMeansMapper
extends org.apache.hadoop.mapreduce.Mapper<org.apache.hadoop.io.Writable,VectorWritable,org.apache.hadoop.io.IntWritable,CentroidWritable>


Nested Class Summary
 
Nested classes/interfaces inherited from class org.apache.hadoop.mapreduce.Mapper
org.apache.hadoop.mapreduce.Mapper.Context
 
Constructor Summary
StreamingKMeansMapper()
           
 
Method Summary
 void cleanup(org.apache.hadoop.mapreduce.Mapper.Context context)
           
 void map(org.apache.hadoop.io.Writable key, VectorWritable point, org.apache.hadoop.mapreduce.Mapper.Context context)
           
 void setup(org.apache.hadoop.mapreduce.Mapper.Context context)
           
 
Methods inherited from class org.apache.hadoop.mapreduce.Mapper
run
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

StreamingKMeansMapper

public StreamingKMeansMapper()
Method Detail

setup

public void setup(org.apache.hadoop.mapreduce.Mapper.Context context)
Overrides:
setup in class org.apache.hadoop.mapreduce.Mapper<org.apache.hadoop.io.Writable,VectorWritable,org.apache.hadoop.io.IntWritable,CentroidWritable>

map

public void map(org.apache.hadoop.io.Writable key,
                VectorWritable point,
                org.apache.hadoop.mapreduce.Mapper.Context context)
Overrides:
map in class org.apache.hadoop.mapreduce.Mapper<org.apache.hadoop.io.Writable,VectorWritable,org.apache.hadoop.io.IntWritable,CentroidWritable>

cleanup

public void cleanup(org.apache.hadoop.mapreduce.Mapper.Context context)
             throws IOException,
                    InterruptedException
Overrides:
cleanup in class org.apache.hadoop.mapreduce.Mapper<org.apache.hadoop.io.Writable,VectorWritable,org.apache.hadoop.io.IntWritable,CentroidWritable>
Throws:
IOException
InterruptedException


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