    001package org.cpsolver.coursett;
    002
    003import java.io.File;
    004
    005import org.cpsolver.coursett.model.Lecture;
    006import org.cpsolver.coursett.model.Placement;
    007import org.cpsolver.coursett.model.TimetableModel;
    008import org.cpsolver.ifs.assignment.Assignment;
    009import org.cpsolver.ifs.assignment.DefaultSingleAssignment;
    010import org.cpsolver.ifs.util.CSVFile;
    011import org.cpsolver.ifs.util.DataProperties;
    012import org.cpsolver.ifs.util.ToolBox;
    013
    014
    015/**
    016 * Create domain chart of the given input problem as CSV file (3 dimensions:
    017 * #rooms, #times, #variables with the given number of rooms/times)
    018 *
    019 * @version CourseTT 1.3 (University Course Timetabling)<br>
    020 *          Copyright (C) 2007 - 2014 Tomáš Müller<br>
    021 *          <a href="mailto:muller@unitime.org">muller@unitime.org</a><br>
    022 *          <a href="http://muller.unitime.org">http://muller.unitime.org</a><br>
    023 * <br>
    024 *          This library is free software; you can redistribute it and/or modify
    025 *          it under the terms of the GNU Lesser General Public License as
    026 *          published by the Free Software Foundation; either version 3 of the
    027 *          License, or (at your option) any later version. <br>
    028 * <br>
    029 *          This library is distributed in the hope that it will be useful, but
    030 *          WITHOUT ANY WARRANTY; without even the implied warranty of
    031 *          MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
    032 *          Lesser General Public License for more details. <br>
    033 * <br>
    034 *          You should have received a copy of the GNU Lesser General Public
    035 *          License along with this library; if not see
    036 *          <a href='http://www.gnu.org/licenses/'>http://www.gnu.org/licenses/</a>.
    037 */
    038public class DomainChart {
    039    protected int iSizeX = 60, iSizeY = 100;
    040    protected TimetableModel iModel;
    041    protected Assignment<Lecture, Placement> iAssignment;
    042    protected double[][] iTable = null;
    043    protected boolean iShowZero = false;
    044    protected String iName = null;
    045    protected String[] iHeader = null;
    046    protected String[] iTitle = null;
    047
    048    public DomainChart(String name, TimetableModel model, int sizeX, int sizeY) {
    049        iModel = model;
    050        iAssignment = new DefaultSingleAssignment<Lecture, Placement>();
    051        iName = name;
    052        iSizeX = sizeX;
    053        iSizeY = sizeY;
    054    }
    055
    056    public DomainChart(File xmlFile, int sizeX, int sizeY) throws Exception {
    057        this(xmlFile.getName().substring(0, xmlFile.getName().lastIndexOf('.')), new TimetableModel(
    058                new DataProperties()), sizeX, sizeY);
    059        TimetableXMLLoader loader = new TimetableXMLLoader(iModel, iAssignment);
    060        loader.setInputFile(xmlFile);
    061        loader.load();
    062    }
    063
    064    protected void clearTable() {
    065        iTable = new double[2 + iSizeX][2 + iSizeY];
    066        for (int i = 0; i < iTable.length; i++)
    067            for (int j = 0; j < iTable[i].length; j++)
    068                iTable[i][j] = 0;
    069        iHeader = new String[iSizeX + 2];
    070        for (int i = 0; i <= iSizeX; i++)
    071            iHeader[i] = String.valueOf(i);
    072        iHeader[iSizeX + 1] = (iSizeX + 1) + "+";
    073        iTitle = new String[iSizeY + 2];
    074        for (int i = 0; i <= iSizeY; i++)
    075            iTitle[i] = String.valueOf(i);
    076        iTitle[iSizeY + 1] = (iSizeY + 1) + "+";
    077    }
    078
    079    protected void add(int x, int y, double val) {
    080        iTable[x <= iSizeX ? x : 1 + iSizeX][y <= iSizeY ? y : 1 + iSizeY] += val;
    081    }
    082
    083    protected void computeTable() {
    084        clearTable();
    085        for (Lecture lecture : iModel.variables()) {
    086            if (lecture.getNrRooms() > 1)
    087                add(lecture.nrTimeLocations(), (int) Math.round(Math.pow(lecture.nrRoomLocations(), 1.0 / lecture
    088                        .getNrRooms())), 1);
    089            else
    090                add(lecture.nrTimeLocations(), lecture.nrRoomLocations(), 1);
    091        }
    092    }
    093
    094    public CSVFile createTable() {
    095        computeTable();
    096        CSVFile csv = new CSVFile();
    097        CSVFile.CSVField[] header = new CSVFile.CSVField[2 + iSizeX + (iShowZero ? 1 : 0)];
    098        header[0] = new CSVFile.CSVField(iName);
    099        for (int i = (iShowZero ? 0 : 1); i <= iSizeX + 1; i++)
    100            header[(iShowZero ? 1 : 0) + i] = new CSVFile.CSVField(iHeader[i]);
    101        csv.setHeader(header);
    102        for (int y = (iShowZero ? 0 : 1); y <= 1 + iSizeY; y++) {
    103            CSVFile.CSVField[] line = new CSVFile.CSVField[2 + iSizeX + (iShowZero ? 1 : 0)];
    104            line[0] = new CSVFile.CSVField(iTitle[y]);
    105            if (y == 1 + iSizeY)
    106                line[0] = new CSVFile.CSVField((1 + iSizeY) + "+");
    107            for (int x = (iShowZero ? 0 : 1); x <= 1 + iSizeX; x++)
    108                line[(iShowZero ? 1 : 0) + x] = new CSVFile.CSVField(iTable[x][y]);
    109            csv.addLine(line);
    110        }
    111        return csv;
    112    }
    113
    114    public static void main(String args[]) {
    115        try {
    116            ToolBox.configureLogging();
    117            File input = new File(args[0]);
    118            int sizeX = Integer.parseInt(args[1]);
    119            int sizeY = Integer.parseInt(args[2]);
    120            File output = null;
    121            if (args.length > 3) {
    122                output = new File(args[3]);
    123                if (output.exists() && output.isDirectory())
    124                    output = new File(output, input.getName().substring(0, input.getName().lastIndexOf('.'))
    125                            + "_domain.csv");
    126            } else {
    127                output = new File(input.getParentFile(), input.getName().substring(0, input.getName().lastIndexOf('.'))
    128                        + "_domain.csv");
    129            }
    130            new DomainChart(input, sizeX, sizeY).createTable().save(output);
    131        } catch (Exception e) {
    132            e.printStackTrace();
    133        }
    134    }
    135}