org.apache.mahout.clustering.canopy
Class ClusterMapper
java.lang.Object
org.apache.hadoop.mapreduce.Mapper<org.apache.hadoop.io.WritableComparable<?>,VectorWritable,org.apache.hadoop.io.IntWritable,WeightedVectorWritable>
org.apache.mahout.clustering.canopy.ClusterMapper
public class ClusterMapper
- extends org.apache.hadoop.mapreduce.Mapper<org.apache.hadoop.io.WritableComparable<?>,VectorWritable,org.apache.hadoop.io.IntWritable,WeightedVectorWritable>
Nested classes/interfaces inherited from class org.apache.hadoop.mapreduce.Mapper |
org.apache.hadoop.mapreduce.Mapper.Context |
Method Summary |
boolean |
canopyCovers(Canopy canopy,
Vector point)
|
void |
config(java.util.Collection<Canopy> canopies)
Configure the mapper by providing its canopies. |
protected void |
map(org.apache.hadoop.io.WritableComparable<?> key,
VectorWritable point,
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 |
ClusterMapper
public ClusterMapper()
map
protected void map(org.apache.hadoop.io.WritableComparable<?> key,
VectorWritable point,
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
config
public void config(java.util.Collection<Canopy> canopies)
- Configure the mapper by providing its canopies. Used by unit tests.
- Parameters:
canopies
- a List
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
canopyCovers
public boolean canopyCovers(Canopy canopy,
Vector point)
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