org.apache.nutch.clustering.carrot2
Class Clusterer

java.lang.Object
  org.apache.nutch.clustering.carrot2.Clusterer

All Implemented Interfaces:

org.apache.hadoop.conf.Configurable, OnlineClusterer, Pluggable

public class Clusterer
extends Object
implements OnlineClusterer, org.apache.hadoop.conf.Configurable

This plugin provides an implementation of OnlineClusterer extension using clustering components of the Carrot2 project (http://www.carrot2.org).

This class hardcodes an equivalent of the following Carrot2 process:

   Yahoo Search API -- Lingo Classic Clusterer
 
   
   
   

 
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Field Summary

static org.apache.commons.logging.Log

logger

Fields inherited from interface org.apache.nutch.clustering.OnlineClusterer

X_POINT_ID

Constructor Summary

Clusterer()
An empty public constructor for making new instances of the clusterer.

Method Summary

HitsCluster[]	clusterHits(HitDetails[] hitDetails, String[] descriptions) See OnlineClusterer for documentation.
org.apache.hadoop.conf.Configuration	getConf() Implementation of Configurable
void	setConf(org.apache.hadoop.conf.Configuration conf) Implementation of Configurable

Methods inherited from class java.lang.Object

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

Field Detail

logger

public static final org.apache.commons.logging.Log logger

Constructor Detail

Clusterer

public Clusterer()

An empty public constructor for making new instances of the clusterer.

Method Detail

clusterHits

public HitsCluster[] clusterHits(HitDetails[] hitDetails,
                                 String[] descriptions)

See OnlineClusterer for documentation.

Specified by:

clusterHits in interface OnlineClusterer

Returns:

A set of HitsCluster objects.

setConf

public void setConf(org.apache.hadoop.conf.Configuration conf)

Implementation of Configurable

Specified by:

setConf in interface org.apache.hadoop.conf.Configurable

getConf

public org.apache.hadoop.conf.Configuration getConf()

Implementation of Configurable

Specified by:

getConf in interface org.apache.hadoop.conf.Configurable