001package net.sf.cpsolver.exam.criteria; 002 003import java.util.Map; 004import java.util.Set; 005 006import net.sf.cpsolver.exam.model.Exam; 007import net.sf.cpsolver.exam.model.ExamInstructor; 008import net.sf.cpsolver.exam.model.ExamPlacement; 009 010/** 011 * Number of direct instructor conflicts caused by the fact that an instructor is 012 * not available. 013 * <br><br> 014 * Direct instructor conflict weight can be set by problem property 015 * Exams.InstructorDirectConflictWeight, or in the input xml file, property 016 * instructorDirectConflictWeight. 017 * 018 * <br> 019 * 020 * @version ExamTT 1.2 (Examination Timetabling)<br> 021 * Copyright (C) 2008 - 2012 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 InstructorNotAvailableConflicts extends InstructorDirectConflicts { 040 041 @Override 042 public double getValue(ExamPlacement value, Set<ExamPlacement> conflicts) { 043 Exam exam = value.variable(); 044 // if (!exam.isAllowDirectConflicts()) return 0; 045 int penalty = 0; 046 for (ExamInstructor s : exam.getInstructors()) { 047 if (!s.isAvailable(value.getPeriod())) 048 penalty++; 049 } 050 return penalty; 051 } 052 053 @Override 054 public String getName() { 055 return "Instructor Not Available Conflicts"; 056 } 057 058 @Override 059 public void getInfo(Map<String, String> info) { 060 } 061 062 @Override 063 public String toString() { 064 return (getValue() <= 0.0 ? "" : "iNA:" + sDoubleFormat.format(getValue())); 065 } 066}