    001package net.sf.cpsolver.coursett.criteria.additional;
    002
    003import java.util.Collection;
    004import java.util.Map;
    005
    006import net.sf.cpsolver.coursett.model.Lecture;
    007import net.sf.cpsolver.ifs.util.DataProperties;
    008
    009/**
    010 * Important student hard conflicts. Same as {@link ImportantStudentConflict}, but
    011 * only hard student conflicts are counted (between classes that do not have alternatives,
    012 * see {@link Lecture#isSingleSection()}). Weighted by Comparator.ImportantHardStudentConflictWeight
    013 * parameter.
    014 * .
    015 * <br>
    016 *
    017 * @version CourseTT 1.2 (University Course Timetabling)<br>
    018 *          Copyright (C) 2006 - 2011 Tomáš Müller<br>
    019 *          <a href="mailto:muller@unitime.org">muller@unitime.org</a><br>
    020 *          <a href="http://muller.unitime.org">http://muller.unitime.org</a><br>
    021 * <br>
    022 *          This library is free software; you can redistribute it and/or modify
    023 *          it under the terms of the GNU Lesser General Public License as
    024 *          published by the Free Software Foundation; either version 3 of the
    025 *          License, or (at your option) any later version. <br>
    026 * <br>
    027 *          This library is distributed in the hope that it will be useful, but
    028 *          WITHOUT ANY WARRANTY; without even the implied warranty of
    029 *          MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
    030 *          Lesser General Public License for more details. <br>
    031 * <br>
    032 *          You should have received a copy of the GNU Lesser General Public
    033 *          License along with this library; if not see
    034 *          <a href='http://www.gnu.org/licenses/'>http://www.gnu.org/licenses/</a>.
    035 */
    036public class ImportantStudentHardConflict extends ImportantStudentConflict {
    037
    038    @Override
    039    public boolean isApplicable(Lecture l1, Lecture l2) {
    040        return super.isApplicable(l1, l2) && hard(l1, l2);
    041    }
    042
    043    @Override
    044    public double getWeightDefault(DataProperties config) {
    045        return config.getPropertyDouble("Comparator.ImportantHardStudentConflictWeight",
    046                3.0 * config.getPropertyDouble("Comparator.HardStudentConflictWeight", 5.0));
    047    }
    048
    049    @Override
    050    public String getPlacementSelectionWeightName() {
    051        return "Placement.NrImportantHardStudConfsWeight";
    052    }
    053
    054    @Override
    055    public void getInfo(Map<String, String> info) {
    056    }
    057
    058    @Override
    059    public void getInfo(Map<String, String> info, Collection<Lecture> variables) {
    060    }
    061}