org.semanticweb.owl.model
Interface OWLOntology

All Superinterfaces:

Cloneable, OWLNamedObject, OWLObject, Serializable

All Known Subinterfaces:

OWLDLOntology, OWLLiteOntology

All Known Implementing Classes:

OWLOntologyImpl

public interface OWLOntology

extends OWLNamedObject

Represents an OWL ontology. An ontology comprises a number of collections. Each ontology has a number of classes, properties and individuals, along with a number of axioms asserting information about those objects.

Version:

$Id: OWLOntology.java,v 1.1.1.1 2003/10/14 17:10:08 sean_bechhofer Exp $

Method Summary

Set	getAnnotationProperties() Returns a list of the annotation properties of the ontology
OWLAnnotationProperty	getAnnotationProperty(URI uri) getAnnotationProperty Retrieves an Annotation Property with a given uri
Set	getBackwardCompatibleWith()
OWLClass	getClass(URI uri) getClass Retrieves a class with a given uri
Set	getClassAxioms() Returns a list of class axioms in the ontology.
Set	getClasses() Returns a list of the classes of the ontology
Set	getDataProperties() Returns a list of the datatype properties of the ontology (i.e. those whose range is a concrete data type).
OWLDataProperty	getDataProperty(URI uri) getDataProperty Retrieves a DataProperty with a given uri
OWLDataType	getDatatype(URI uri) getClass Retrieves a class with a given uri
Set	getDatatypes() Returns a list of the classes of the ontology
Set	getIncludedOntologies() Returns a list of the Ontologies imported by this Ontology.
Set	getIncompatibleWith()
OWLIndividual	getIndividual(URI uri) getIndividual Retrieves an individual with a given uri
Set	getIndividualAxioms() Returns a list of the individual axioms in the ontology.
Set	getIndividuals() Returns a list of the individuals in the ontology
URI	getLogicalURI() getLogicalURI Identifies this ontology uniquely (enforced within one OWLConnection)
Set	getObjectProperties() Returns a list of the object properties of the ontology (i.e. those whose range is a subset of the object domain.
OWLObjectProperty	getObjectProperty(URI uri) getObjectProperty Retrieves a ObjectProperty with a given uri
URI	getPhysicalURI() getLogicalURI Physical URI of the ontology.
Set	getPriorVersion()
Set	getPropertyAxioms() Returns a list of the property axioms in the ontology.
boolean	isMutable() Returns true if the ontology is mutable, i.e. can be changed.

Methods inherited from interface org.semanticweb.owl.model.OWLNamedObject

getURI

Methods inherited from interface org.semanticweb.owl.model.OWLObject

accept, clone, getAnnotations, getAnnotations, getContainedObjects, getMetadata, getOWLConnection, getOWLDataFactory

Method Detail

getClasses

public Set getClasses()
               throws OWLException

Returns a list of the classes of the ontology

OWLException

getClass

public OWLClass getClass(URI uri)
                  throws OWLException

getClass Retrieves a class with a given uri

Parameters:

uri - (String)

Returns:

OWLClass, null if there is no such thing

OWLException

getAnnotationProperties

public Set getAnnotationProperties()
                            throws OWLException

Returns a list of the annotation properties of the ontology

OWLException

getAnnotationProperty

public OWLAnnotationProperty getAnnotationProperty(URI uri)
                                            throws OWLException

getAnnotationProperty Retrieves an Annotation Property with a given uri

Parameters:

uri - (String)

Returns:

OWLAnnotationProperty, null if there is no such thing

OWLException

getDataProperties

public Set getDataProperties()
                      throws OWLException

Returns a list of the datatype properties of the ontology (i.e. those whose range is a concrete data type).

OWLException

getDataProperty

public OWLDataProperty getDataProperty(URI uri)
                                throws OWLException

getDataProperty Retrieves a DataProperty with a given uri

Parameters:

uri - (String)

Returns:

OWLDataProperty, null if there is no such thing

OWLException

getObjectProperties

public Set getObjectProperties()
                        throws OWLException

Returns a list of the object properties of the ontology (i.e. those whose range is a subset of the object domain.

OWLException

getObjectProperty

public OWLObjectProperty getObjectProperty(URI uri)
                                    throws OWLException

getObjectProperty Retrieves a ObjectProperty with a given uri

Parameters:

uri - (String)

Returns:

OWLObjectProperty, null if there is no such thing

OWLException

getIndividuals

public Set getIndividuals()
                   throws OWLException

Returns a list of the individuals in the ontology

OWLException

getIndividual

public OWLIndividual getIndividual(URI uri)
                            throws OWLException

getIndividual Retrieves an individual with a given uri

Parameters:

uri - (String)

Returns:

OWLDataProperty, returns null if it is there

OWLException

getDatatypes

public Set getDatatypes()
                 throws OWLException

Returns a list of the classes of the ontology

OWLException

getDatatype

public OWLDataType getDatatype(URI uri)
                        throws OWLException

getClass Retrieves a class with a given uri

Parameters:

uri - (String)

Returns:

OWLClass, null if there is no such thing

OWLException

getClassAxioms

public Set getClassAxioms()
                   throws OWLException

Returns a list of class axioms in the ontology. These include subclass axioms, disjointness axioms and equality axioms.

OWLException

getPropertyAxioms

public Set getPropertyAxioms()
                      throws OWLException

Returns a list of the property axioms in the ontology. These include subproperty axioms and property equality axioms.

OWLException

getIndividualAxioms

public Set getIndividualAxioms()
                        throws OWLException

Returns a list of the individual axioms in the ontology. These will include axioms asserting the equality and inequality of individuals.

OWLException

getIncludedOntologies

public Set getIncludedOntologies()
                          throws OWLException

Returns a list of the Ontologies imported by this Ontology.

Returns:

Set{OWLOntology}

OWLException

getPriorVersion

public Set getPriorVersion()
                    throws OWLException

OWLException

getBackwardCompatibleWith

public Set getBackwardCompatibleWith()
                              throws OWLException

OWLException

getIncompatibleWith

public Set getIncompatibleWith()
                        throws OWLException

OWLException

isMutable

public boolean isMutable()
                  throws OWLException

Returns true if the ontology is mutable, i.e. can be changed. If the ontology has been retrieved from a URI (for example as an imported ontology), then the ontology will be considered immutable.

Returns:

a boolean value

OWLException

getLogicalURI

public URI getLogicalURI()
                  throws OWLException

getLogicalURI Identifies this ontology uniquely (enforced within one OWLConnection)

Returns:

String representation of the URI

OWLException

getPhysicalURI

public URI getPhysicalURI()
                   throws OWLException

getLogicalURI Physical URI of the ontology.

Returns:

String representaion of the URI, could be null (e.g. not stored yet or in a database)

OWLException