    001package net.sf.cpsolver.coursett;
    002
    003import java.io.File;
    004import java.util.Comparator;
    005import java.util.Iterator;
    006import java.util.TreeSet;
    007
    008import net.sf.cpsolver.coursett.model.Lecture;
    009import net.sf.cpsolver.coursett.model.TimetableModel;
    010import net.sf.cpsolver.ifs.util.ToolBox;
    011
    012/**
    013 * Create joint enrollment chart of the given input problem as CSV file (3
    014 * dimensions: 1st variable, 2nd variable, number of students in common)
    015 *
    016 * @version CourseTT 1.2 (University Course Timetabling)<br>
    017 *          Copyright (C) 2007 - 2010 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 JenrlChart extends DomainChart {
    036    protected int iMax = 100;
    037
    038    public JenrlChart(String name, TimetableModel model, int max) {
    039        super(name, model, Math.min(max, model.variables().size()), Math.min(max, model.variables().size()));
    040        iMax = max;
    041    }
    042
    043    public JenrlChart(File xmlFile, int max) throws Exception {
    044        super(xmlFile, 0, 0);
    045        iMax = max;
    046        iSizeX = Math.min(iMax, iModel.variables().size());
    047        iSizeY = Math.min(iMax, iModel.variables().size());
    048    }
    049
    050    @Override
    051    protected void computeTable() {
    052        clearTable();
    053        TreeSet<Lecture> vars = new TreeSet<Lecture>(new Comparator<Lecture>() {
    054            @Override
    055            public int compare(Lecture l1, Lecture l2) {
    056                int cmp = -Double.compare(l1.students().size(), l2.students().size());
    057                if (cmp != 0)
    058                    return cmp;
    059                cmp = -Double.compare(l1.classLimit(), l2.classLimit());
    060                if (cmp != 0)
    061                    return cmp;
    062                return Double.compare(l1.getId(), l2.getId());
    063            }
    064        });
    065        vars.addAll(iModel.variables());
    066        int x = 1;
    067        for (Iterator<Lecture> i = vars.iterator(); i.hasNext(); x++) {
    068            Lecture l1 = i.next();
    069            if (x > iMax)
    070                continue;
    071            iHeader[x] = String.valueOf(l1.students().size());
    072            int y = 1;
    073            for (Iterator<Lecture> j = vars.iterator(); j.hasNext(); y++) {
    074                Lecture l2 = j.next();
    075                if (y > iMax)
    076                    continue;
    077                iTitle[y] = l2.getName();
    078                if (x >= y)
    079                    continue;
    080                add(x, y, l1.sameStudents(l2).size());
    081            }
    082        }
    083    }
    084
    085    public static void main(String args[]) {
    086        try {
    087            ToolBox.configureLogging();
    088            File input = new File(args[0]);
    089            int max = Integer.parseInt(args[1]);
    090            File output = null;
    091            if (args.length > 2) {
    092                output = new File(args[2]);
    093                if (output.exists() && output.isDirectory())
    094                    output = new File(output, input.getName().substring(0, input.getName().lastIndexOf('.'))
    095                            + "_jenrl.csv");
    096            } else {
    097                output = new File(input.getParentFile(), input.getName().substring(0, input.getName().lastIndexOf('.'))
    098                        + "_jenrl.csv");
    099            }
    100            new JenrlChart(input, max).createTable().save(output);
    101        } catch (Exception e) {
    102            e.printStackTrace();
    103        }
    104    }
    105
    106}