org.apache.nutch.ontology
Class OntologyFactory

java.lang.Object
  org.apache.nutch.ontology.OntologyFactory

public class OntologyFactory
extends Object

A factory for retrieving Ontology extensions.

Version:

$Id: OntologyFactory.java 823614 2009-10-09 17:02:32Z ab $

Author:

Michael Pan

Field Summary

static org.apache.commons.logging.Log

LOG

Constructor Summary

OntologyFactory(Configuration conf)

Method Summary

Ontology

getOntology()

Methods inherited from class java.lang.Object

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

Field Detail

LOG

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

Constructor Detail

OntologyFactory

public OntologyFactory(Configuration conf)

Method Detail

getOntology

public Ontology getOntology()
                     throws PluginRuntimeException

Returns:

Returns the online ontology extension specified in nutch configuration's key extension.ontology.extension-name. If the name is empty (no preference), the first available ontology extension is returned.

Throws:

PluginRuntimeException