001package net.sf.cpsolver.coursett.criteria.additional; 002 003import java.util.Collection; 004import java.util.Map; 005 006import net.sf.cpsolver.coursett.criteria.StudentConflict; 007import net.sf.cpsolver.coursett.model.Lecture; 008import net.sf.cpsolver.coursett.model.Placement; 009import net.sf.cpsolver.ifs.criteria.Criterion; 010import net.sf.cpsolver.ifs.util.DataProperties; 011 012/** 013 * Ignored student conflicts. This criterion counts student conflicts (both overlapping and distance) between classes 014 * which are connected by a {@link IgnoredStudentConflict} constraint. This criterion was created mostly for debugging 015 * as these student conflicts are to be ignored. 016 * <br> 017 * 018 * @version CourseTT 1.2 (University Course Timetabling)<br> 019 * Copyright (C) 2013 Tomáš Müller<br> 020 * <a href="mailto:muller@unitime.org">muller@unitime.org</a><br> 021 * <a href="http://muller.unitime.org">http://muller.unitime.org</a><br> 022 * <br> 023 * This library is free software; you can redistribute it and/or modify 024 * it under the terms of the GNU Lesser General Public License as 025 * published by the Free Software Foundation; either version 3 of the 026 * License, or (at your option) any later version. <br> 027 * <br> 028 * This library is distributed in the hope that it will be useful, but 029 * WITHOUT ANY WARRANTY; without even the implied warranty of 030 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 031 * Lesser General Public License for more details. <br> 032 * <br> 033 * You should have received a copy of the GNU Lesser General Public 034 * License along with this library; if not see 035 * <a href='http://www.gnu.org/licenses/'>http://www.gnu.org/licenses/</a>. 036 */ 037public class IgnoredStudentConflict extends StudentConflict { 038 039 @Override 040 public boolean inConflict(Placement p1, Placement p2) { 041 return ignore(p1, p2) && (overlaps(p1, p2) || distance(getMetrics(), p1, p2)); 042 } 043 044 @Override 045 public boolean isApplicable(Lecture l1, Lecture l2) { 046 return ignore(l1, l2) && applicable(l1, l2); 047 } 048 049 @Override 050 public double getWeightDefault(DataProperties config) { 051 return config.getPropertyDouble("Comparator.IgnoredStudentConflictWeight", 0.0); 052 } 053 054 @Override 055 public String getPlacementSelectionWeightName() { 056 return "Placement.NrIgnoredStudConfsWeight"; 057 } 058 059 @Override 060 public void getInfo(Map<String, String> info) { 061 super.getInfo(info); 062 double conf = getValue(); 063 if (conf > 0.0) { 064 Criterion<Lecture, Placement> c = getModel().getCriterion(IgnoredCommittedStudentConflict.class); 065 double committed = (c == null ? 0.0 : c.getValue()); 066 info.put("Ignored student conflicts", sDoubleFormat.format(conf) + (committed > 0.0 ? " [committed: " + sDoubleFormat.format(committed) + "]" : "")); 067 } 068 } 069 070 @Override 071 public void getInfo(Map<String, String> info, Collection<Lecture> variables) { 072 super.getInfo(info, variables); 073 double conf = getValue(variables); 074 if (conf > 0.0) { 075 Criterion<Lecture, Placement> c = getModel().getCriterion(IgnoredCommittedStudentConflict.class); 076 double committed = (c == null ? 0.0 : c.getValue(variables)); 077 info.put("Ignored student conflicts", sDoubleFormat.format(conf) + (committed > 0.0 ? " [committed: " + sDoubleFormat.format(committed) + "]" : "")); 078 } 079 } 080}