org.semanticweb.owlapi.model.OWLEquivalentClassesAxiom Maven / Gradle / Ivy
/*
* This file is part of the OWL API.
*
* The contents of this file are subject to the LGPL License, Version 3.0.
*
* Copyright (C) 2011, The University of Manchester
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
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* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see http://www.gnu.org/licenses/.
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*
* Alternatively, the contents of this file may be used under the terms of the Apache License, Version 2.0
* in which case, the provisions of the Apache License Version 2.0 are applicable instead of those above.
*
* Copyright 2011, University of Manchester
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
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* http://www.apache.org/licenses/LICENSE-2.0
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* Unless required by applicable law or agreed to in writing, software
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package org.semanticweb.owlapi.model;
import java.util.Set;
/**
* Represents an EquivalentClasses axiom in the OWL 2 Specification.
*
* @author Matthew Horridge, The University Of Manchester, Bio-Health
* Informatics Group Date: 24-Oct-2006
*/
public interface OWLEquivalentClassesAxiom extends OWLNaryClassAxiom {
/**
* Determines if this equivalent classes axiom contains at least one named
* class (excluding owl:Thing or owl:Nothing).
*
* @return {@code true} if the axiom contains at least one named class
* otherwise {@code false}. Note that this method will return
* {@code false} if the only named classes are owl:Thing or
* owl:Nothing.
*/
boolean containsNamedEquivalentClass();
/**
* Gets the named classes (excluding owl:Thing and owl:Nothing) that are in
* this equivalent classes axiom.
*
* @return A set of classes that represents the named classes that are
* specified to be equivalent to some other class (expression),
* excluding the built in classes owl:Thing and owl:Nothing
*/
Set getNamedClasses();
/**
* Determines if this class axiom makes a class expression equivalent to
* nothing.
*
* @return {@code true} if this axiom contains owl:Nothing as an equivalent
* class.
*/
boolean containsOWLNothing();
/**
* Determines if this class axiom makes a class expression equivalent to
* thing.
*
* @return {@code true} if this axioms contains owl:Thing as an equivalent
* class.
*/
boolean containsOWLThing();
@Override
Set asPairwiseAxioms();
@Override
OWLEquivalentClassesAxiom getAxiomWithoutAnnotations();
}