001package net.sf.cpsolver.studentsct;
002
003import java.io.File;
004
005import net.sf.cpsolver.ifs.solution.Solution;
006import net.sf.cpsolver.ifs.solver.Solver;
007import net.sf.cpsolver.ifs.util.DataProperties;
008import net.sf.cpsolver.ifs.util.ToolBox;
009import net.sf.cpsolver.studentsct.model.Enrollment;
010import net.sf.cpsolver.studentsct.model.Request;
011import net.sf.cpsolver.studentsct.model.Student;
012
013/**
014 * A simple class that converts a solution (with real students) into an empty solution with
015 * expectations computed based on the assignments. It has two parameters, the input solution
016 * (XML file) and the output solution (also an XML file).
017 * <br>
018 * <br>
019 * 
020 * @version StudentSct 1.2 (Student Sectioning)<br>
021 *          Copyright (C) 2013 Tomáš Müller<br>
022 *          <a href="mailto:muller@unitime.org">muller@unitime.org</a><br>
023 *          <a href="http://muller.unitime.org">http://muller.unitime.org</a><br>
024 * <br>
025 *          This library is free software; you can redistribute it and/or modify
026 *          it under the terms of the GNU Lesser General Public License as
027 *          published by the Free Software Foundation; either version 3 of the
028 *          License, or (at your option) any later version. <br>
029 * <br>
030 *          This library is distributed in the hope that it will be useful, but
031 *          WITHOUT ANY WARRANTY; without even the implied warranty of
032 *          MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
033 *          Lesser General Public License for more details. <br>
034 * <br>
035 *          You should have received a copy of the GNU Lesser General Public
036 *          License along with this library; if not see
037 *          <a href='http://www.gnu.org/licenses/'>http://www.gnu.org/licenses/</a>.
038 */
039
040public class Solution2Expectations {
041    private static org.apache.log4j.Logger sLog = org.apache.log4j.Logger.getLogger(Solution2Expectations.class);
042    
043    public static void main(String[] args) {
044        try {
045            ToolBox.configureLogging();
046            
047            DataProperties config = new DataProperties();
048            
049            String command = args[0];
050            if ("real2exp".equals(command)) {
051                StudentSectioningModel model = new StudentSectioningModel(config);
052                StudentSectioningXMLLoader loader = new StudentSectioningXMLLoader(model);
053                loader.setInputFile(new File(args[1]));
054                loader.load();
055                
056                sLog.info("Loaded: " + ToolBox.dict2string(model.getExtendedInfo(), 2));
057                
058                for (Student s: model.getStudents()) s.setDummy(true);
059                model.computeOnlineSectioningInfos();
060                for (Student s: model.getStudents()) s.setDummy(false);
061                for (Request request: model.variables())
062                    if (request.getAssignment() != null) request.unassign(0);
063                
064                Solution<Request, Enrollment> solution = new Solution<Request, Enrollment>(model, 0, 0);
065                Solver<Request, Enrollment> solver = new Solver<Request, Enrollment>(config);
066                solver.setInitalSolution(solution);
067                new StudentSectioningXMLSaver(solver).save(new File(args[2]));
068                
069                sLog.info("Saved: " + ToolBox.dict2string(model.getExtendedInfo(), 2));                
070            } else if ("ll2exp".equals(command)) {
071                StudentSectioningModel model = new StudentSectioningModel(config);
072                StudentSectioningXMLLoader loader = new StudentSectioningXMLLoader(model);
073                loader.setInputFile(new File(args[1]));
074                loader.load();
075                
076                sLog.info("Loaded: " + ToolBox.dict2string(model.getExtendedInfo(), 2));
077                
078                model.computeOnlineSectioningInfos();
079                for (Request request: model.variables())
080                    if (request.getAssignment() != null) request.unassign(0);
081                
082                Solution<Request, Enrollment> solution = new Solution<Request, Enrollment>(model, 0, 0);
083                Solver<Request, Enrollment> solver = new Solver<Request, Enrollment>(config);
084                solver.setInitalSolution(solution);
085                new StudentSectioningXMLSaver(solver).save(new File(args[2]));
086                
087                sLog.info("Saved: " + ToolBox.dict2string(model.getExtendedInfo(), 2));    
088            } else if ("students".equals(command)) {
089                StudentSectioningModel model = new StudentSectioningModel(config);
090                StudentSectioningXMLLoader loader = new StudentSectioningXMLLoader(model);
091                loader.setInputFile(new File(args[1]));
092                loader.setLoadStudents(false);
093                loader.load();
094                
095                sLog.info("Loaded [1]: " + ToolBox.dict2string(model.getExtendedInfo(), 2));
096
097                StudentSectioningXMLLoader loder2 = new StudentSectioningXMLLoader(model);
098                loder2.setInputFile(new File(args[2]));
099                loder2.setLoadOfferings(false);
100                loder2.setLoadStudents(true);
101                loder2.load();
102                
103                sLog.info("Loaded [2]: " + ToolBox.dict2string(model.getExtendedInfo(), 2));
104
105                Solution<Request, Enrollment> solution = new Solution<Request, Enrollment>(model, 0, 0);
106                Solver<Request, Enrollment> solver = new Solver<Request, Enrollment>(config);
107                solver.setInitalSolution(solution);
108                new StudentSectioningXMLSaver(solver).save(new File(args[3]));
109                
110                sLog.info("Saved [3]: " + ToolBox.dict2string(model.getExtendedInfo(), 2));
111            } else {
112                sLog.error("Unknown command: " + command);
113            }
114        } catch (Exception e) {
115            sLog.error(e.getMessage(), e);
116        }
117    }
118
119}