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}