org.semanticweb.owlapi.reasoner.knowledgeexploration.OWLKnowledgeExplorerReasoner Maven / Gradle / Ivy

/*
 * 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.knowledgeexploration;

import java.util.Collection;

import org.semanticweb.owlapi.model.OWLClassExpression;
import org.semanticweb.owlapi.model.OWLDataProperty;
import org.semanticweb.owlapi.model.OWLDataRange;
import org.semanticweb.owlapi.model.OWLObjectProperty;
import org.semanticweb.owlapi.model.OWLObjectPropertyExpression;
import org.semanticweb.owlapi.reasoner.Node;
import org.semanticweb.owlapi.reasoner.OWLReasoner;

/** Extension of OWLReasoner to allow access to reasoner completion graph. */
public interface OWLKnowledgeExplorerReasoner extends OWLReasoner {

    /** Interface for a tableaux node. */
    public interface RootNode {

        /**
         * @param 
         *        actual node type
         * @return inner node representation
         */
         T getNode();
    }

    /**
     * @param expression
     *        the expression of which the completion tree is to be computed
     * @return compute and return the root node of the completion tree for the
     *         expression
     */
    RootNode getRoot(OWLClassExpression expression);

    /**
     * @param node
     *        a node, as returned by either getRoot() or getObjectNeighbours()
     * @param deterministicOnly
     *        true if only deterministic results should be returned
     * @return neighbors by object property
     */
    Node getObjectNeighbours(
            RootNode node, boolean deterministicOnly);

    /**
     * @param node
     *        a node, as returned by either getRoot() or getObjectNeighbours()
     * @param deterministicOnly
     *        true if only deterministic results should be returned
     * @return neighbors by data property
     */
    Node getDataNeighbours(RootNode node,
            boolean deterministicOnly);

    /**
     * @param node
     *        a node, as returned by either getRoot() or getObjectNeighbours()
     * @param property
     *        the property being followed
     * @return neighbors by object property
     */
    Collection getObjectNeighbours(RootNode node,
            OWLObjectProperty property);

    /**
     * @param node
     *        a node, as returned by either getRoot() or getObjectNeighbours()
     * @param property
     *        the property being followed
     * @return neighbors by data property
     */
    Collection getDataNeighbours(RootNode node,
            OWLDataProperty property);

    /**
     * @param node
     *        a node, as returned by either getRoot() or getObjectNeighbours()
     * @param deterministicOnly
     *        true if only deterministic results should be returned
     * @return neighbors label by object property
     */
    Node getObjectLabel(RootNode node,
            boolean deterministicOnly);

    /**
     * @param node
     *        a node, as returned by getDataNeighbours()
     * @param deterministicOnly
     *        true if only deterministic results should be returned
     * @return neighbors label by data property
     */
    Node getDataLabel(RootNode node,
            boolean deterministicOnly);

    /**
     * @param node
     *        a node, as return by either getRoot() or getObjectNeighbours()
     * @return a node that blocks given node, or null if there is no such
     *         blocker
     */
    RootNode getBlocker(RootNode node);
}