001package org.cpsolver.coursett;
002
003import java.io.File;
004import java.util.Comparator;
005import java.util.Iterator;
006import java.util.TreeSet;
007
008import org.cpsolver.coursett.model.Lecture;
009import org.cpsolver.coursett.model.TimetableModel;
010import org.cpsolver.ifs.util.ToolBox;
011
012
013/**
014 * Create joint enrollment chart of the given input problem as CSV file (3
015 * dimensions: 1st variable, 2nd variable, number of students in common)
016 * 
017 * @author  Tomáš Müller
018 * @version CourseTT 1.3 (University Course Timetabling)<br>
019 *          Copyright (C) 2007 - 2014 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 JenrlChart extends DomainChart {
038    protected int iMax = 100;
039
040    public JenrlChart(String name, TimetableModel model, int max) {
041        super(name, model, Math.min(max, model.variables().size()), Math.min(max, model.variables().size()));
042        iMax = max;
043    }
044
045    public JenrlChart(File xmlFile, int max) throws Exception {
046        super(xmlFile, 0, 0);
047        iMax = max;
048        iSizeX = Math.min(iMax, iModel.variables().size());
049        iSizeY = Math.min(iMax, iModel.variables().size());
050    }
051
052    @Override
053    protected void computeTable() {
054        clearTable();
055        TreeSet<Lecture> vars = new TreeSet<Lecture>(new Comparator<Lecture>() {
056            @Override
057            public int compare(Lecture l1, Lecture l2) {
058                int cmp = -Double.compare(l1.students().size(), l2.students().size());
059                if (cmp != 0)
060                    return cmp;
061                cmp = -Double.compare(l1.maxClassLimit(), l2.maxClassLimit());
062                if (cmp != 0)
063                    return cmp;
064                return Double.compare(l1.getId(), l2.getId());
065            }
066        });
067        vars.addAll(iModel.variables());
068        int x = 1;
069        for (Iterator<Lecture> i = vars.iterator(); i.hasNext(); x++) {
070            Lecture l1 = i.next();
071            if (x > iMax)
072                continue;
073            iHeader[x] = String.valueOf(l1.students().size());
074            int y = 1;
075            for (Iterator<Lecture> j = vars.iterator(); j.hasNext(); y++) {
076                Lecture l2 = j.next();
077                if (y > iMax)
078                    continue;
079                iTitle[y] = l2.getName();
080                if (x >= y)
081                    continue;
082                add(x, y, l1.sameStudents(l2).size());
083            }
084        }
085    }
086
087    public static void main(String args[]) {
088        try {
089            ToolBox.configureLogging();
090            File input = new File(args[0]);
091            int max = Integer.parseInt(args[1]);
092            File output = null;
093            if (args.length > 2) {
094                output = new File(args[2]);
095                if (output.exists() && output.isDirectory())
096                    output = new File(output, input.getName().substring(0, input.getName().lastIndexOf('.'))
097                            + "_jenrl.csv");
098            } else {
099                output = new File(input.getParentFile(), input.getName().substring(0, input.getName().lastIndexOf('.'))
100                        + "_jenrl.csv");
101            }
102            new JenrlChart(input, max).createTable().save(output);
103        } catch (Exception e) {
104            e.printStackTrace();
105        }
106    }
107
108}