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/* This file is part of the OWL API.
* The contents of this file are subject to the LGPL License, Version 3.0.
* Copyright 2014, 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.
* 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/.
*
* 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.
* 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
* http://www.apache.org/licenses/LICENSE-2.0
* Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License. */
package org.semanticweb.owlapi.model;
import static org.semanticweb.owlapi.util.OWLAPIStreamUtils.*;
import java.io.Serializable;
import java.util.Set;
import java.util.stream.Stream;
/**
* @author Matthew Horridge, The University Of Manchester, Bio-Health
* Informatics Group
* @since 2.0.0
*/
public interface OWLObject extends Comparable, Serializable, HasSignature, HasContainsEntityInSignature,
HasAnonymousIndividuals, HasClassesInSignature, HasObjectPropertiesInSignature, HasDataPropertiesInSignature,
HasIndividualsInSignature, HasDatatypesInSignature, HasAnnotationPropertiesInSignature, HasIndex, HasHashIndex,
HasComponents {
/**
* Gets all of the nested (includes top level) class expressions that are
* used in this object. The default implementation of this method returns an
* empty, modifiable set.
*
* @return A set of {@link org.semanticweb.owlapi.model.OWLClassExpression}s
* that represent the nested class expressions used in this object.
* @deprecated use the stream method
*/
@Deprecated
default Set getNestedClassExpressions() {
return asSet(nestedClassExpressions());
}
/**
* Gets all of the nested (includes top level) class expressions that are
* used in this object. The default implementation of this method returns an
* empty, modifiable set.
*
* @return A set of {@link org.semanticweb.owlapi.model.OWLClassExpression}s
* that represent the nested class expressions used in this object.
*/
default Stream nestedClassExpressions() {
return empty();
}
/**
* Accepts a visitor
*
* @param visitor
* The visitor
*/
void accept(OWLObjectVisitor visitor);
/**
* Accepts a visitor
*
* @param visitor
* The visitor
* @param
* visitor return type
* @return visitor value
*/
O accept(OWLObjectVisitorEx visitor);
/**
* Determines if this object is either, owl:Thing (the top class),
* owl:topObjectProperty (the top object property) , owl:topDataProperty
* (the top data property) or rdfs:Literal (the top datatype).
*
* @return {@code true} if this object corresponds to one of the above
* entities.
*/
default boolean isTopEntity() {
return false;
}
/**
* Determines if this object is either, owl:Nothing (the bottom class),
* owl:bottomObjectProperty (the bottom object property) ,
* owl:bottomDataProperty (the bottom data property).
*
* @return {@code true} if this object corresponds to one of the above
* entities.
*/
default boolean isBottomEntity() {
return false;
}
/**
* @return true if this object is an IRI
*/
default boolean isIRI() {
return false;
}
}
