001package org.cpsolver.coursett.criteria.additional; 002 003import java.util.Collection; 004import java.util.Map; 005 006import org.cpsolver.coursett.criteria.StudentConflict; 007import org.cpsolver.coursett.model.Lecture; 008import org.cpsolver.coursett.model.Placement; 009import org.cpsolver.ifs.assignment.Assignment; 010import org.cpsolver.ifs.criteria.Criterion; 011import org.cpsolver.ifs.util.DataProperties; 012 013 014/** 015 * Ignored student conflicts. This criterion counts student conflicts (both overlapping and distance) between classes 016 * which are connected by a {@link IgnoredStudentConflict} constraint. This criterion was created mostly for debugging 017 * as these student conflicts are to be ignored. 018 * <br> 019 * 020 * @version CourseTT 1.3 (University Course Timetabling)<br> 021 * Copyright (C) 2013 - 2014 Tomáš Müller<br> 022 * <a href="mailto:muller@unitime.org">muller@unitime.org</a><br> 023 * <a href="http://muller.unitime.org">http://muller.unitime.org</a><br> 024 * <br> 025 * This library is free software; you can redistribute it and/or modify 026 * it under the terms of the GNU Lesser General Public License as 027 * published by the Free Software Foundation; either version 3 of the 028 * License, or (at your option) any later version. <br> 029 * <br> 030 * This library is distributed in the hope that it will be useful, but 031 * WITHOUT ANY WARRANTY; without even the implied warranty of 032 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 033 * Lesser General Public License for more details. <br> 034 * <br> 035 * You should have received a copy of the GNU Lesser General Public 036 * License along with this library; if not see 037 * <a href='http://www.gnu.org/licenses/'>http://www.gnu.org/licenses/</a>. 038 */ 039public class IgnoredStudentConflict extends StudentConflict { 040 041 @Override 042 public boolean isApplicable(Lecture l1, Lecture l2) { 043 return l1 != null && l2 != null && ignore(l1, l2) && applicable(l1, l2); 044 } 045 046 @Override 047 public double getWeightDefault(DataProperties config) { 048 return config.getPropertyDouble("Comparator.IgnoredStudentConflictWeight", 0.0); 049 } 050 051 @Override 052 public String getPlacementSelectionWeightName() { 053 return "Placement.NrIgnoredStudConfsWeight"; 054 } 055 056 @Override 057 public void getInfo(Assignment<Lecture, Placement> assignment, Map<String, String> info) { 058 super.getInfo(assignment, info); 059 double conf = getValue(assignment); 060 if (conf > 0.0) { 061 Criterion<Lecture, Placement> c = getModel().getCriterion(IgnoredCommittedStudentConflict.class); 062 double committed = (c == null ? 0.0 : c.getValue(assignment)); 063 info.put("Ignored student conflicts", sDoubleFormat.format(conf) + (committed > 0.0 ? " [committed: " + sDoubleFormat.format(committed) + "]" : "")); 064 } 065 } 066 067 @Override 068 public void getInfo(Assignment<Lecture, Placement> assignment, Map<String, String> info, Collection<Lecture> variables) { 069 super.getInfo(assignment, info, variables); 070 double conf = getValue(assignment, variables); 071 if (conf > 0.0) { 072 Criterion<Lecture, Placement> c = getModel().getCriterion(IgnoredCommittedStudentConflict.class); 073 double committed = (c == null ? 0.0 : c.getValue(assignment, variables)); 074 info.put("Ignored student conflicts", sDoubleFormat.format(conf) + (committed > 0.0 ? " [committed: " + sDoubleFormat.format(committed) + "]" : "")); 075 } 076 } 077}