    001package net.sf.cpsolver.exam.reports;
    002
    003import java.util.ArrayList;
    004import java.util.Collections;
    005import java.util.Comparator;
    006import java.util.List;
    007
    008import net.sf.cpsolver.exam.model.Exam;
    009import net.sf.cpsolver.exam.model.ExamModel;
    010import net.sf.cpsolver.exam.model.ExamPeriod;
    011import net.sf.cpsolver.exam.model.ExamPlacement;
    012import net.sf.cpsolver.exam.model.ExamRoom;
    013import net.sf.cpsolver.ifs.util.CSVFile;
    014import net.sf.cpsolver.ifs.util.CSVFile.CSVField;
    015
    016/**
    017 * Export schedule for each room into a CSV file. <br>
    018 * <br>
    019 * Usage:<br>
    020 * <code>
    021 * &nbsp;&nbsp;&nbsp;&nbsp;new ExamRoomSchedule(model).report().save(file);
    022 * </code> <br>
    023 * <br>
    024 *
    025 * @version ExamTT 1.2 (Examination Timetabling)<br>
    026 *          Copyright (C) 2008 - 2010 Tomáš Müller<br>
    027 *          <a href="mailto:muller@unitime.org">muller@unitime.org</a><br>
    028 *          <a href="http://muller.unitime.org">http://muller.unitime.org</a><br>
    029 * <br>
    030 *          This library is free software; you can redistribute it and/or modify
    031 *          it under the terms of the GNU Lesser General Public License as
    032 *          published by the Free Software Foundation; either version 3 of the
    033 *          License, or (at your option) any later version. <br>
    034 * <br>
    035 *          This library is distributed in the hope that it will be useful, but
    036 *          WITHOUT ANY WARRANTY; without even the implied warranty of
    037 *          MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
    038 *          Lesser General Public License for more details. <br>
    039 * <br>
    040 *          You should have received a copy of the GNU Lesser General Public
    041 *          License along with this library; if not see
    042 *          <a href='http://www.gnu.org/licenses/'>http://www.gnu.org/licenses/</a>.
    043 */
    044public class ExamRoomSchedule {
    045    ExamModel iModel = null;
    046
    047    /**
    048     * Constructor
    049     *
    050     * @param model
    051     *            examination timetabling model
    052     */
    053    public ExamRoomSchedule(ExamModel model) {
    054        iModel = model;
    055    }
    056
    057    public CSVFile report() {
    058        CSVFile csv = new CSVFile();
    059        csv.setHeader(new CSVField[] { new CSVField("Room"), new CSVField("Cap"), new CSVField("AltCap"),
    060                new CSVField("Period"), new CSVField("Date"), new CSVField("Time"), new CSVField("Exam"),
    061                new CSVField("Enrl") });
    062        List<ExamRoom> rooms = new ArrayList<ExamRoom>(iModel.getRooms());
    063        Collections.sort(rooms, new Comparator<ExamRoom>() {
    064            @Override
    065            public int compare(ExamRoom r1, ExamRoom r2) {
    066                int cmp = -Double.compare(r1.getSize(), r2.getSize());
    067                if (cmp != 0)
    068                    return cmp;
    069                cmp = -Double.compare(r1.getAltSize(), r2.getAltSize());
    070                if (cmp != 0)
    071                    return cmp;
    072                return r1.compareTo(r2);
    073            }
    074        });
    075        for (ExamRoom room : rooms) {
    076            boolean first = true;
    077            int day = -1;
    078            for (ExamPeriod period : iModel.getPeriods()) {
    079                for (ExamPlacement placement: room.getPlacements(period)) {
    080                    Exam exam = placement.variable();
    081                    csv.addLine(new CSVField[] { new CSVField(first ? room.getName() : ""),
    082                            new CSVField(first ? "" + room.getSize() : ""),
    083                            new CSVField(first ? "" + room.getAltSize() : ""), new CSVField(period.getIndex() + 1),
    084                            new CSVField(day == period.getDay() ? "" : period.getDayStr()),
    085                            new CSVField(period.getTimeStr()), new CSVField(exam.getName()),
    086                            new CSVField(exam.getStudents().size()) });
    087                    first = false;
    088                    day = period.getDay();
    089                }
    090            }
    091        }
    092        return csv;
    093    }
    094}