oracle.spatial.hadoop.vector.cluster.kmeans.mapred

Class ClusterCenterReducer

java.lang.Object

MapReduceBase

oracle.spatial.hadoop.vector.cluster.kmeans.mapred.ClusterCenterReducer

public class ClusterCenterReducer
extends MapReduceBase

A subclass of Reducer that updates a cluster center based on its members locations, determines if the cluster center converges and emits the updated cluster information.

Author:

hsaucedo

Constructor Summary

Constructors

Constructor and Description
ClusterCenterReducer()

Method Summary

Modifier and Type	Method and Description
void	configure(JobConf jobConf)
void	reduce(ClusterInfo key, java.util.Iterator<RecordInfo> values, <any> output, Reporter reporter)

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

ClusterCenterReducer

public ClusterCenterReducer()

Method Detail

configure

public void configure(JobConf jobConf)

reduce

public void reduce(ClusterInfo key,
                   java.util.Iterator<RecordInfo> values,
                   <any> output,
                   Reporter reporter)
            throws java.io.IOException

Throws:

java.io.IOException