org.apache.mahout.clustering.dirichlet
Class DirichletMapper
java.lang.Object
org.apache.hadoop.mapreduce.Mapper<org.apache.hadoop.io.WritableComparable<?>,VectorWritable,org.apache.hadoop.io.Text,VectorWritable>
org.apache.mahout.clustering.dirichlet.DirichletMapper
public class DirichletMapper
- extends org.apache.hadoop.mapreduce.Mapper<org.apache.hadoop.io.WritableComparable<?>,VectorWritable,org.apache.hadoop.io.Text,VectorWritable>
Nested classes/interfaces inherited from class org.apache.hadoop.mapreduce.Mapper |
org.apache.hadoop.mapreduce.Mapper.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 |
DirichletMapper
public DirichletMapper()
map
protected void map(org.apache.hadoop.io.WritableComparable<?> key,
VectorWritable v,
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.Text,VectorWritable>
- 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.Text,VectorWritable>
- Throws:
java.io.IOException
java.lang.InterruptedException
setup
public void setup(DirichletState state)
getDirichletState
public static DirichletState getDirichletState(org.apache.hadoop.conf.Configuration conf)
loadState
protected static DirichletState loadState(org.apache.hadoop.conf.Configuration conf,
java.lang.String statePath,
ModelDistribution<VectorWritable> modelDistribution,
double alpha,
int k)
throws java.io.IOException
- Throws:
java.io.IOException
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