    001package org.cpsolver.instructor.criteria;
    002
    003import java.util.Collection;
    004import java.util.Map;
    005import java.util.Set;
    006
    007import org.cpsolver.ifs.assignment.Assignment;
    008import org.cpsolver.ifs.model.Variable;
    009import org.cpsolver.ifs.util.DataProperties;
    010import org.cpsolver.instructor.model.TeachingAssignment;
    011import org.cpsolver.instructor.model.TeachingRequest;
    012
    013/**
    014 * Original Instructor. This criterion penalizes teaching assignments that are not given
    015 * to the initial instructor (i.e., {@link TeachingRequest} is not assigned to {@link Variable#getInitialAssignment()}).
    016 *
    017 * @author  Tomáš Müller
    018 * @version IFS 1.3 (Instructor Sectioning)<br>
    019 *          Copyright (C) 2016 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 OriginalInstructor extends InstructorSchedulingCriterion {
    038    private boolean iMPP = false;
    039
    040    public OriginalInstructor() {
    041    }
    042
    043    @Override
    044    public void configure(DataProperties properties) {
    045        super.configure(properties);
    046        iMPP = properties.getPropertyBoolean("General.MPP", iMPP);
    047    }
    048
    049    @Override
    050    public double getWeightDefault(DataProperties config) {
    051        return 100.0;
    052    }
    053
    054    @Override
    055    public double getValue(Assignment<TeachingRequest.Variable, TeachingAssignment> assignment, TeachingAssignment value, Set<TeachingAssignment> conflicts) {
    056        if (iMPP && value.variable().getInitialAssignment() != null) {
    057            return (value.getInstructor().equals(value.variable().getInitialAssignment().getInstructor()) ? 0.0 : 1.0);
    058        } else {
    059            return 0.0;
    060        }
    061    }
    062
    063    @Override
    064    public String getAbbreviation() {
    065        return "Original";
    066    }
    067
    068    @Override
    069    public void getInfo(Assignment<TeachingRequest.Variable, TeachingAssignment> assignment, Map<String, String> info) {
    070        double val = getValue(assignment);
    071        double[] bounds = getBounds(assignment);
    072        if (bounds[0] <= val && val <= bounds[1] && bounds[0] < bounds[1])
    073            info.put(getName(), getPerc(val, bounds[0], bounds[1]) + "% (" + sDoubleFormat.format(bounds[1] - val) + ")");
    074    }
    075
    076    @Override
    077    public void getInfo(Assignment<TeachingRequest.Variable, TeachingAssignment> assignment, Map<String, String> info, Collection<TeachingRequest.Variable> variables) {
    078        double val = getValue(assignment, variables);
    079        double[] bounds = getBounds(assignment, variables);
    080        if (bounds[0] <= val && val <= bounds[1] && bounds[0] < bounds[1])
    081            info.put(getName(), getPerc(val, bounds[0], bounds[1]) + "% (" + sDoubleFormat.format(bounds[1] - val) + ")");
    082    }
    083}