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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.reasoner;

import java.util.Set;

import org.semanticweb.owlapi.model.OWLOntology;
import org.semanticweb.owlapi.profiles.OWLProfile;

/**
 * Author: Matthew Horridge
 The University of Manchester
 Information Management Group

 * Date: 21-Jan-2009
 * 
 * 

 * An OWLReasonerFactory is a point for creating instances of {@link org.semanticweb.owlapi.reasoner.OWLReasoner}
 * objects.  A reasoner reasons over a set of ontologies that is defined by an ontology and its imports closure.
 * 
 *
 * @see org.semanticweb.owlapi.reasoner.OWLReasoner
 */
public interface OWLReasonerFactory {

    /**
     * Gets the name of the reasoner created by this factory.
     * @return A string that represents the name of the reasoner created by this factory.
     */
    String getReasonerName();

    /**
     * Creates an OWLReasoner that reasons over the imports closure of the specified ontology.  The reasoner will obtain
     * the imports closure from the ontology manager associated with ontology.  The reasoner will listen for ontology changes to the ontologies
     * that it is reasoning over and will always answer queries with respect to the changed ontologies (see {@link org.semanticweb.owlapi.reasoner.OWLReasoner}
     * for further details).
     *
     * @param ontology The ontology whose imports closure will be reasoned over by the reasoner that is created.
     * @return The reasoner that reasons over the imports closure of the specified ontology.  Note that calling this
     *         method multiple times with the same manager and ontology will return fresh instances of OWLReasoner.
     * @throws NullPointerException if the {@code manager} or {@code ontology} are {@code null}.
     */
    OWLReasoner createNonBufferingReasoner(OWLOntology ontology);

    /**
     * Creates a buffering reasoner that reasons over the imports closure of the specified ontology.  The reasoner will obtain
     * the imports closure from the ontology manager associated with ontology.  The reasoner will listen for ontology changes to the ontologies
     * it is reasoning over but will only answer queries with respect to the changed ontologies when the {@link OWLReasoner#flush()} method is called
     * (see {@link org.semanticweb.owlapi.reasoner.OWLReasoner} for further details).
     *
     * @param ontology The ontology whose imports closure will be reasoned over by the reasoner that is created.
     * @return The reasoner that reasons over the imports closure of the specified ontology.  Note that calling this
     *         method multiple times with the same manager and ontology will return fresh instances of OWLReasoner.
     * @throws NullPointerException if the {@code manager} or {@code ontology} are {@code null}.
     */
    OWLReasoner createReasoner(OWLOntology ontology);

    /**
     * Creates an OWLReasoner that reasons over the imports closure of the specified ontology.  The reasoner will obtain
     * the imports closure from the ontology manager associated with ontology.   The reasoner will listen for ontology changes to the ontologies
     * that it is reasoning over and will always answer queries with respect to the changed ontologies (see {@link org.semanticweb.owlapi.reasoner.OWLReasoner}
     * for further details).
     *
     * @param ontology The ontology whose imports closure will be reasoned over by the reasoner that is created.
     * @param config   A configuration object that can be used to customise the setup of the reasoner that will be created
     *                 by calling this method.
     * @return The reasoner that reasons over the imports closure of the specified ontology.  Note that calling this
     *         method multiple times with the same manager and ontology will return fresh instances of OWLReasoner.
     * @throws IllegalConfigurationException if the configuration object is inappropriate for reasoners created by this
     *                                       factory, or if there is an illegal setting on the configuration.
     * @throws NullPointerException          if any of {@code manager}, {@code ontology} or {@code config} are {@code null}.
     */
    OWLReasoner createNonBufferingReasoner(OWLOntology ontology, OWLReasonerConfiguration config) throws IllegalConfigurationException;

    /**
     * Creates a buffering reasoner that reasons over the imports closure of the specified ontology.  The reasoner will obtain
     * the imports closure from the ontology manager associated with ontology.  The reasoner will listen for ontology changes to the ontologies
     * it is reasoning over but will only answer queries with respect to the changed ontologies when the {@link OWLReasoner#flush()} method is called
     * (see {@link org.semanticweb.owlapi.reasoner.OWLReasoner} for further details).
     *
     * @param ontology The ontology whose imports closure will be reasoned over by the reasoner that is created.
     * @param config   A configuration object that can be used to customise the setup of the reasoner that will be created
     *                 by calling this method.
     * @return The reasoner that reasons over the imports closure of the specified ontology.  Note that calling this
     *         method multiple times with the same manager and ontology will return fresh instances of OWLReasoner.
     * @throws IllegalConfigurationException if the configuration object is inappropriate for reasoners created by this
     *                                       factory, or if there is an illegal setting on the configuration.
     * @throws NullPointerException          if any of {@code manager}, {@code ontology} or {@code config} are {@code null}.
     */
    OWLReasoner createReasoner(OWLOntology ontology, OWLReasonerConfiguration config) throws IllegalConfigurationException;
    
    /**
     * Returns a set of supported profiles for the {@link OWLReasoner} objects created by this factory.
     * 
     * @return A set of supported profiles for the OWLReasoner objects created by this factory.
     */
    Set getSupportedProfiles();
}