kaos.ontology.repository
Class OntologyLoader

java.lang.Object
  kaos.ontology.repository.OntologyLoader

public class OntologyLoader
extends java.lang.Object

Implements the recursive loader for ontology. Stores information which ontologies were already loaded.

Author:

KAoS Team $Revision: 1.23 $

Field Summary

static int

MaxLoadingDepth

Constructor Summary

OntologyLoader(OntologyRepository context)

Method Summary

java.util.Set<java.lang.String>	getListOfLoadedOntologies() This method returns a set of urls depicting ontologies loaded into the Ontology context.
java.util.Set<java.lang.String>	recursiveLoadKB(java.lang.String myURL, int maxLoadingDepth) The method recursively loads ontologies starting form ontology depicted by myURL
void	setNotificationRef(KAoSDirectoryService _myKAoSDirectoryService) Sets the reference to the notification class.
void	setOntContext(OntologyRepository context) Sets the reference to the Ontology context.

Methods inherited from class java.lang.Object

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

Field Detail

MaxLoadingDepth

public static final int MaxLoadingDepth

See Also:

Constant Field Values

Constructor Detail

OntologyLoader

public OntologyLoader(OntologyRepository context)

Method Detail

setOntContext

public void setOntContext(OntologyRepository context)

Sets the reference to the Ontology context.

setNotificationRef

public void setNotificationRef(KAoSDirectoryService _myKAoSDirectoryService)

Sets the reference to the notification class.

getListOfLoadedOntologies

public java.util.Set<java.lang.String> getListOfLoadedOntologies()

This method returns a set of urls depicting ontologies loaded into the Ontology context.

recursiveLoadKB

public java.util.Set<java.lang.String> recursiveLoadKB(java.lang.String myURL,
                                                       int maxLoadingDepth)
                                                throws java.io.IOException,
                                                       OntologyRepository.ReasoningException

The method recursively loads ontologies starting form ontology depicted by myURL

Parameters:

myURL - The url of the ontology to be loaded

maxLoadingDepth - Indicates to which level the imported ontologies should be loaded maxLoadingDepth less then 0 (for instance -1) will cause loading of all ontologies regardless of inclusion depth

Returns:

Returns a set of namespaces loaded during this step

Throws:

OntologyRepository.ReasoningException - when loading of the ontology failed.

java.io.IOException