org.apache.mahout.clustering.dirichlet
Class DirichletClusterMapper

java.lang.Object
  extended by org.apache.hadoop.mapreduce.Mapper<org.apache.hadoop.io.WritableComparable<?>,VectorWritable,org.apache.hadoop.io.IntWritable,WeightedVectorWritable>
      extended by org.apache.mahout.clustering.dirichlet.DirichletClusterMapper

public class DirichletClusterMapper
extends org.apache.hadoop.mapreduce.Mapper<org.apache.hadoop.io.WritableComparable<?>,VectorWritable,org.apache.hadoop.io.IntWritable,WeightedVectorWritable>


Nested Class Summary
 
Nested classes/interfaces inherited from class org.apache.hadoop.mapreduce.Mapper
org.apache.hadoop.mapreduce.Mapper.Context
 
Constructor Summary
DirichletClusterMapper()
           
 
Method Summary
static java.util.List<DirichletCluster> getClusters(org.apache.hadoop.conf.Configuration conf)
           
protected static java.util.List<DirichletCluster> loadClusters(org.apache.hadoop.conf.Configuration conf, org.apache.hadoop.fs.Path stateIn)
           
protected  void map(org.apache.hadoop.io.WritableComparable<?> key, VectorWritable vector, org.apache.hadoop.mapreduce.Mapper.Context context)
           
protected  void setup(org.apache.hadoop.mapreduce.Mapper.Context context)
           
 
Methods inherited from class org.apache.hadoop.mapreduce.Mapper
cleanup, run
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

DirichletClusterMapper

public DirichletClusterMapper()
Method Detail

map

protected void map(org.apache.hadoop.io.WritableComparable<?> key,
                   VectorWritable vector,
                   org.apache.hadoop.mapreduce.Mapper.Context context)
            throws java.io.IOException,
                   java.lang.InterruptedException
Overrides:
map in class org.apache.hadoop.mapreduce.Mapper<org.apache.hadoop.io.WritableComparable<?>,VectorWritable,org.apache.hadoop.io.IntWritable,WeightedVectorWritable>
Throws:
java.io.IOException
java.lang.InterruptedException

setup

protected void setup(org.apache.hadoop.mapreduce.Mapper.Context context)
              throws java.io.IOException,
                     java.lang.InterruptedException
Overrides:
setup in class org.apache.hadoop.mapreduce.Mapper<org.apache.hadoop.io.WritableComparable<?>,VectorWritable,org.apache.hadoop.io.IntWritable,WeightedVectorWritable>
Throws:
java.io.IOException
java.lang.InterruptedException

getClusters

public static java.util.List<DirichletCluster> getClusters(org.apache.hadoop.conf.Configuration conf)

loadClusters

protected static java.util.List<DirichletCluster> loadClusters(org.apache.hadoop.conf.Configuration conf,
                                                               org.apache.hadoop.fs.Path stateIn)


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