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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.change;

import static org.semanticweb.owlapi.util.OWLAPIPreconditions.checkNotNull;

import java.util.Set;

import javax.annotation.Nonnull;

import org.semanticweb.owlapi.model.OWLEntity;
import org.semanticweb.owlapi.model.OWLOntology;
import org.semanticweb.owlapi.model.OWLOntologyID;
import org.semanticweb.owlapi.model.SetOntologyID;
import org.semanticweb.owlapi.util.CollectionFactory;

/**
 * Represents the specific non-ontology data required by a
 * {@link org.semanticweb.owlapi.model.SetOntologyID} change. 

 * Instances of this class are immutable.
 * 
 * @author Matthew Horridge, Stanford University, Bio-Medical Informatics
 *         Research Group
 * @since 3.3
 */
public class SetOntologyIDData extends OWLOntologyChangeData {

    private static final long serialVersionUID = 40000L;
    @Nonnull
    private final OWLOntologyID newId;

    /**
     * Constructs a {@code SetOntologyIDData} object that describes an
     * {@link SetOntologyID} change for the {@link OWLOntologyID} object
     * specified by the {@code newId} parameter.
     * 
     * @param newId
     *        The {@link OWLOntologyID} that is the focus of some change.
     */
    public SetOntologyIDData(@Nonnull OWLOntologyID newId) {
        this.newId = checkNotNull(newId, "newId must not be null");
    }

    /**
     * Gets the {@link OWLOntologyID} that is associated with some
     * {@link SetOntologyID} change.
     * 
     * @return The {@link OWLOntologyID}.
     */
    @Nonnull
    public OWLOntologyID getNewId() {
        return newId;
    }

    @Override
    public SetOntologyID createOntologyChange(@Nonnull OWLOntology ontology) {
        return new SetOntologyID(ontology, newId);
    }

    @Override
    public  O accept(
            OWLOntologyChangeDataVisitor visitor) throws E {
        return visitor.visit(this);
    }

    @Override
    public Set getSignature() {
        return CollectionFactory.emptySet();
    }

    @Override
    public OWLOntologyID getItem() {
        return getNewId();
    }

    @Override
    protected String getName() {
        return "SetOntologyIDData";
    }
}