org.apache.mahout.clustering.dirichlet
Class DirichletMapper

java.lang.Object
  extended by org.apache.hadoop.mapred.MapReduceBase
      extended by org.apache.mahout.clustering.dirichlet.DirichletMapper
All Implemented Interfaces:
java.io.Closeable, org.apache.hadoop.mapred.JobConfigurable, org.apache.hadoop.mapred.Mapper<org.apache.hadoop.io.WritableComparable<?>,VectorWritable,org.apache.hadoop.io.Text,VectorWritable>

public class DirichletMapper
extends org.apache.hadoop.mapred.MapReduceBase
implements org.apache.hadoop.mapred.Mapper<org.apache.hadoop.io.WritableComparable<?>,VectorWritable,org.apache.hadoop.io.Text,VectorWritable>


Constructor Summary
DirichletMapper()
           
 
Method Summary
 void configure(DirichletState<VectorWritable> state)
           
 void configure(org.apache.hadoop.mapred.JobConf job)
           
static DirichletState<VectorWritable> getDirichletState(org.apache.hadoop.mapred.JobConf job)
           
 void map(org.apache.hadoop.io.WritableComparable<?> key, VectorWritable v, org.apache.hadoop.mapred.OutputCollector<org.apache.hadoop.io.Text,VectorWritable> output, 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

DirichletMapper

public DirichletMapper()
Method Detail

map

public void map(org.apache.hadoop.io.WritableComparable<?> key,
                VectorWritable v,
                org.apache.hadoop.mapred.OutputCollector<org.apache.hadoop.io.Text,VectorWritable> output,
                org.apache.hadoop.mapred.Reporter reporter)
         throws java.io.IOException
Specified by:
map in interface org.apache.hadoop.mapred.Mapper<org.apache.hadoop.io.WritableComparable<?>,VectorWritable,org.apache.hadoop.io.Text,VectorWritable>
Throws:
java.io.IOException

configure

public void configure(DirichletState<VectorWritable> state)

configure

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

getDirichletState

public static DirichletState<VectorWritable> getDirichletState(org.apache.hadoop.mapred.JobConf job)
                                                        throws java.lang.SecurityException,
                                                               java.lang.IllegalArgumentException,
                                                               java.lang.NoSuchMethodException,
                                                               java.lang.reflect.InvocationTargetException
Throws:
java.lang.SecurityException
java.lang.IllegalArgumentException
java.lang.NoSuchMethodException
java.lang.reflect.InvocationTargetException


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