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}