    001package org.cpsolver.instructor.criteria;
    002
    003import java.util.Set;
    004
    005import org.cpsolver.ifs.assignment.Assignment;
    006import org.cpsolver.ifs.util.DataProperties;
    007import org.cpsolver.instructor.model.Instructor;
    008import org.cpsolver.instructor.model.TeachingAssignment;
    009import org.cpsolver.instructor.model.TeachingRequest;
    010
    011/**
    012 * Teaching Preferences. This criterion counts how well are the teaching preferences that are set on an {@link Instructor} met
    013 * (counting {@link Instructor#getPreference()}).
    014 *
    015 * @author  Tomáš Müller
    016 * @version IFS 1.3 (Instructor Sectioning)<br>
    017 *          Copyright (C) 2016 Tomáš Müller<br>
    018 *          <a href="mailto:muller@unitime.org">muller@unitime.org</a><br>
    019 *          <a href="http://muller.unitime.org">http://muller.unitime.org</a><br>
    020 * <br>
    021 *          This library is free software; you can redistribute it and/or modify
    022 *          it under the terms of the GNU Lesser General Public License as
    023 *          published by the Free Software Foundation; either version 3 of the
    024 *          License, or (at your option) any later version. <br>
    025 * <br>
    026 *          This library is distributed in the hope that it will be useful, but
    027 *          WITHOUT ANY WARRANTY; without even the implied warranty of
    028 *          MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
    029 *          Lesser General Public License for more details. <br>
    030 * <br>
    031 *          You should have received a copy of the GNU Lesser General Public
    032 *          License along with this library; if not see
    033 *          <a href='http://www.gnu.org/licenses/'>http://www.gnu.org/licenses/</a>.
    034 */
    035public class TeachingPreferences extends InstructorSchedulingCriterion {
    036
    037    @Override
    038    public double getWeightDefault(DataProperties config) {
    039        return 1.0;
    040    }
    041
    042    @Override
    043    public double getValue(Assignment<TeachingRequest.Variable, TeachingAssignment> assignment, TeachingAssignment value, Set<TeachingAssignment> conflicts) {
    044        return value.getInstructor().getPreference();
    045    }
    046
    047    @Override
    048    public String getAbbreviation() {
    049        return "TeachingPref";
    050    }
    051}