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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 uk.ac.manchester.cs.owl.owlapi;

import java.util.Set;
import java.util.TreeSet;

import org.semanticweb.owlapi.model.OWLClassExpression;
import org.semanticweb.owlapi.model.OWLNaryPropertyAxiom;
import org.semanticweb.owlapi.model.OWLOntology;
import org.semanticweb.owlapi.model.OWLPropertyDomainAxiom;
import org.semanticweb.owlapi.model.OWLPropertyExpression;
import org.semanticweb.owlapi.model.OWLPropertyRange;
import org.semanticweb.owlapi.model.OWLPropertyRangeAxiom;
import org.semanticweb.owlapi.model.OWLSubPropertyAxiom;


/**
 * Author: Matthew Horridge

 * The University Of Manchester

 * Bio-Health Informatics Group

 * Date: 26-Oct-2006


 */
@SuppressWarnings("javadoc")
public abstract class OWLPropertyExpressionImpl> extends OWLObjectImpl implements OWLPropertyExpression {


	private static final long serialVersionUID = 30406L;


	public OWLPropertyExpressionImpl() {
        super();
    }


    @Override
    public Set getRanges(OWLOntology ontology) {
        Set result = new TreeSet();
        for (OWLPropertyRangeAxiom axiom : getRangeAxioms(ontology)) {
            result.add(axiom.getRange());
        }
        return result;
    }


    @Override
    public Set getRanges(Set ontologies) {
        Set result = new TreeSet();
        for (OWLOntology ont : ontologies) {
            result.addAll(getRanges(ont));
        }
        return result;
    }


    @Override
    public Set getDomains(OWLOntology ontology) {
        Set result = new TreeSet();
        for (OWLPropertyDomainAxiom axiom : getDomainAxioms(ontology)) {
            result.add(axiom.getDomain());
        }
        return result;
    }


    @Override
    public Set getDomains(Set ontologies) {
        Set result = new TreeSet();
        for (OWLOntology ont : ontologies) {
            result.addAll(getDomains(ont));
        }
        return result;
    }


    @Override
    public Set getSuperProperties(OWLOntology ontology) {
        Set
 result = new TreeSet
();
        for (OWLSubPropertyAxiom
 axiom : getSubPropertyAxioms(ontology)) {
            result.add(axiom.getSuperProperty());
        }
        return result;
    }


    @Override
    public Set
 getSuperProperties(Set ontologies) {
        Set
 results = new TreeSet
();
        for (OWLOntology ont : ontologies) {
            results.addAll(getSuperProperties(ont));
        }
        return results;
    }


    @Override
    public Set
 getSubProperties(OWLOntology ontology) {
        Set
 results = new TreeSet
();
        for (OWLSubPropertyAxiom
 axiom : getSubPropertyAxiomsForRHS(ontology)) {
            results.add(axiom.getSubProperty());
        }
        return results;
    }


    @Override
    public Set
 getSubProperties(Set ontologies) {
        Set
 result = new TreeSet
();
        for (OWLOntology ont : ontologies) {
            result.addAll(getSubProperties(ont));
        }
        return result;
    }


    protected abstract Set> getSubPropertyAxiomsForRHS(OWLOntology ont);


    @Override
    public Set
 getEquivalentProperties(OWLOntology ontology) {
        return getProperties(getEquivalentPropertiesAxioms(ontology));
    }


    @Override
    public Set
 getEquivalentProperties(Set ontologies) {
        Set
 result = new TreeSet
();
        for (OWLOntology ont : ontologies) {
            result.addAll(getEquivalentProperties(ont));
        }
        return result;
    }


    @Override
    public Set
 getDisjointProperties(OWLOntology ontology) {
        return getProperties(getDisjointPropertiesAxioms(ontology));
    }


    @Override
    public Set
 getDisjointProperties(Set ontologies) {
        Set
 result = new TreeSet();
        for (OWLOntology ont : ontologies) {
            result.addAll(getDisjointProperties(ont));
        }
        return result;
    }


    protected abstract Set> getDomainAxioms(OWLOntology ontology);

    protected abstract Set> getRangeAxioms(OWLOntology ontology);

    protected abstract Set> getSubPropertyAxioms(OWLOntology ontology);

    protected abstract Set> getEquivalentPropertiesAxioms(OWLOntology ontology);

    protected abstract Set> getDisjointPropertiesAxioms(OWLOntology ontology);

    private > Set getProperties(Set> axioms) {
        Set result = new TreeSet();
        for (OWLNaryPropertyAxiom axiom : axioms) {
            result.addAll(axiom.getProperties());
        }
        result.remove(this);
        return result;
    }


    @Override
	public boolean equals(Object obj) {
        if (super.equals(obj)) {
            return obj instanceof OWLPropertyExpression;
        }
        return false;
    }

}