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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 java.util.stream.Stream;

/**
 * Represents a 
 * ObjectInverseOf Represents the inverse of a property expression. This can be used to refer to
 * the inverse of a property, without actually naming the property. For example, consider the
 * property hasPart, the inverse property of hasPart (isPartOf) can be referred to using this
 * interface inverseOf(hasPart), which can be used in restrictions e.g. inverseOf(hasPart) some Car
 * refers to the set of things that are part of at least one car.
 *
 * @author Matthew Horridge, The University Of Manchester, Bio-Health Informatics Group
 * @since 2.0.0
 */
public interface OWLObjectInverseOf extends OWLObjectPropertyExpression {

    @Override
    default Stream components() {
        return Stream.of(getInverse());
    }

    @Override
    default int initHashCode() {
        return OWLObject.hashIteration(hashIndex(), getInverse().hashCode());
    }

    @Override
    default int hashIndex() {
        return 307;
    }

    @Override
    default int typeIndex() {
        return 1003;
    }

    @Override
    default OWLObjectPropertyExpression getInverseProperty() {
        return getInverse();
    }

    /**
     * Gets the property expression that this is the inverse of.
     *
     * @return The object property expression such that this object property expression is an
     *         inverse of it.
     */
    OWLObjectPropertyExpression getInverse();

    @Override
    default void accept(OWLObjectVisitor visitor) {
        visitor.visit(this);
    }

    @Override
    default  O accept(OWLObjectVisitorEx visitor) {
        return visitor.visit(this);
    }

    @Override
    default void accept(OWLPropertyExpressionVisitor visitor) {
        visitor.visit(this);
    }

    @Override
    default  O accept(OWLPropertyExpressionVisitorEx visitor) {
        return visitor.visit(this);
    }
}