org.semanticweb.owlapi.util.OWLClassExpressionVisitorExAdapter Maven / Gradle / Ivy

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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 (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, 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.util;

import org.semanticweb.owlapi.model.OWLClass;
import org.semanticweb.owlapi.model.OWLClassExpression;
import org.semanticweb.owlapi.model.OWLClassExpressionVisitorEx;
import org.semanticweb.owlapi.model.OWLDataAllValuesFrom;
import org.semanticweb.owlapi.model.OWLDataExactCardinality;
import org.semanticweb.owlapi.model.OWLDataHasValue;
import org.semanticweb.owlapi.model.OWLDataMaxCardinality;
import org.semanticweb.owlapi.model.OWLDataMinCardinality;
import org.semanticweb.owlapi.model.OWLDataSomeValuesFrom;
import org.semanticweb.owlapi.model.OWLObjectAllValuesFrom;
import org.semanticweb.owlapi.model.OWLObjectComplementOf;
import org.semanticweb.owlapi.model.OWLObjectExactCardinality;
import org.semanticweb.owlapi.model.OWLObjectHasSelf;
import org.semanticweb.owlapi.model.OWLObjectHasValue;
import org.semanticweb.owlapi.model.OWLObjectIntersectionOf;
import org.semanticweb.owlapi.model.OWLObjectMaxCardinality;
import org.semanticweb.owlapi.model.OWLObjectMinCardinality;
import org.semanticweb.owlapi.model.OWLObjectOneOf;
import org.semanticweb.owlapi.model.OWLObjectSomeValuesFrom;
import org.semanticweb.owlapi.model.OWLObjectUnionOf;

/**
 * @author Matthew Horridge, The University Of Manchester, Bio-Health Informatics
 *         Group, Date: 22-Nov-2006
 * @param 
 *        return type
 */
public class OWLClassExpressionVisitorExAdapter implements
        OWLClassExpressionVisitorEx {

    private O defaultValue = null;

    /** constructor for null default value. */
    public OWLClassExpressionVisitorExAdapter() {
        this(null);
    }

    /**
     * @param o
     *        default value
     */
    public OWLClassExpressionVisitorExAdapter(O o) {
        defaultValue = o;
    }

    /**
     * override this method to change the default behaviour.
     * 
     * @param ce
     *        visited object
     * @return default value
     */
    protected O
            handleDefault(@SuppressWarnings("unused") OWLClassExpression ce) {
        return defaultValue;
    }

    @Override
    public O visit(OWLClass ce) {
        return handleDefault(ce);
    }

    @Override
    public O visit(OWLObjectIntersectionOf ce) {
        return handleDefault(ce);
    }

    @Override
    public O visit(OWLObjectUnionOf ce) {
        return handleDefault(ce);
    }

    @Override
    public O visit(OWLObjectComplementOf ce) {
        return handleDefault(ce);
    }

    @Override
    public O visit(OWLObjectSomeValuesFrom ce) {
        return handleDefault(ce);
    }

    @Override
    public O visit(OWLObjectAllValuesFrom ce) {
        return handleDefault(ce);
    }

    @Override
    public O visit(OWLObjectHasValue ce) {
        return handleDefault(ce);
    }

    @Override
    public O visit(OWLObjectMinCardinality ce) {
        return handleDefault(ce);
    }

    @Override
    public O visit(OWLObjectExactCardinality ce) {
        return handleDefault(ce);
    }

    @Override
    public O visit(OWLObjectMaxCardinality ce) {
        return handleDefault(ce);
    }

    @Override
    public O visit(OWLObjectHasSelf ce) {
        return handleDefault(ce);
    }

    @Override
    public O visit(OWLObjectOneOf ce) {
        return handleDefault(ce);
    }

    @Override
    public O visit(OWLDataSomeValuesFrom ce) {
        return handleDefault(ce);
    }

    @Override
    public O visit(OWLDataAllValuesFrom ce) {
        return handleDefault(ce);
    }

    @Override
    public O visit(OWLDataHasValue ce) {
        return handleDefault(ce);
    }

    @Override
    public O visit(OWLDataMinCardinality ce) {
        return handleDefault(ce);
    }

    @Override
    public O visit(OWLDataExactCardinality ce) {
        return handleDefault(ce);
    }

    @Override
    public O visit(OWLDataMaxCardinality ce) {
        return handleDefault(ce);
    }
}