org.semanticweb.owlapi.change.ImportChangeData 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.
*
* 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.
*
* Copyright 2011, The 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
*
* 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.change;
import java.util.Collections;
import java.util.Set;
import org.semanticweb.owlapi.model.OWLEntity;
import org.semanticweb.owlapi.model.OWLImportsDeclaration;
/**
* Instances of this class represent {@link OWLOntologyChangeData} for changes
* that that are specific to the addition or removal of import statements
* to/from an ontology.
*
* @author Matthew Horridge, Stanford University, Bio-Medical Informatics
* Research Group, Date: 27/04/2012
*/
public abstract class ImportChangeData extends OWLOntologyChangeData {
private static final long serialVersionUID = 30406L;
private final OWLImportsDeclaration declaration;
/**
* Constructs an {@link ImportChangeData} object that describes an
* {@link org.semanticweb.owlapi.model.ImportChange} based on the
* {@link OWLImportsDeclaration} specified by the {@code declaration}
* parameter.
*
* @param declaration
* The {@link OWLImportsDeclaration} that is the focus of some
* change. Not {@code null}.
* @throws NullPointerException
* if {@code declaration} is {@code null}.
*/
protected ImportChangeData(OWLImportsDeclaration declaration) {
if (declaration == null) {
throw new NullPointerException("declaration must not be null");
}
this.declaration = declaration;
}
/**
* Gets the {@link OWLImportsDeclaration} that this change data describes.
*
* @return The {@link OWLImportsDeclaration}. Not {@code null}.
*/
public OWLImportsDeclaration getDeclaration() {
return declaration;
}
@Override
public Set getSignature() {
return Collections.emptySet();
}
}