    001package org.cpsolver.ifs.model;
    002
    003import java.util.Map;
    004
    005import org.cpsolver.ifs.assignment.Assignment;
    006
    007
    008/**
    009 * An extension of the {@link InfoProvider} class providing extended information. The extended info
    010 * may be computationally more expensive as it is only computed when needed (see {@link Model#getExtendedInfo(Assignment)}).
    011 *
    012 * @see Model
    013 *
    014 * @version IFS 1.3 (Iterative Forward Search)<br>
    015 *          Copyright (C) 2014 Tomáš Müller<br>
    016 *          <a href="mailto:muller@unitime.org">muller@unitime.org</a><br>
    017 *          <a href="http://muller.unitime.org">http://muller.unitime.org</a><br>
    018 * <br>
    019 *          This library is free software; you can redistribute it and/or modify
    020 *          it under the terms of the GNU Lesser General Public License as
    021 *          published by the Free Software Foundation; either version 3 of the
    022 *          License, or (at your option) any later version. <br>
    023 * <br>
    024 *          This library is distributed in the hope that it will be useful, but
    025 *          WITHOUT ANY WARRANTY; without even the implied warranty of
    026 *          MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
    027 *          Lesser General Public License for more details. <br>
    028 * <br>
    029 *          You should have received a copy of the GNU Lesser General Public
    030 *          License along with this library; if not see
    031 *          <a href='http://www.gnu.org/licenses/'>http://www.gnu.org/licenses/</a>.
    032 * @param <V> Variable
    033 * @param <T> Value
    034 */
    035public interface ExtendedInfoProvider<V extends Variable<V, T>, T extends Value<V, T>> extends InfoProvider<V, T> {
    036
    037    /**
    038     * Extended information about current solution. Similar to
    039     * {@link InfoProvider#getInfo(Assignment, Map)}, but some more information (that is more
    040     * expensive to compute) might be added.
    041     * @param assignment current assignment
    042     * @param info extended info
    043     */
    044    public void getExtendedInfo(Assignment<V, T> assignment, Map<String, String> info);
    045
    046}