    001package org.cpsolver.studentsct;
    002
    003import java.io.File;
    004
    005import org.cpsolver.ifs.assignment.Assignment;
    006import org.cpsolver.ifs.assignment.DefaultSingleAssignment;
    007import org.cpsolver.ifs.solution.Solution;
    008import org.cpsolver.ifs.solver.Solver;
    009import org.cpsolver.ifs.util.DataProperties;
    010import org.cpsolver.ifs.util.ToolBox;
    011import org.cpsolver.studentsct.model.Enrollment;
    012import org.cpsolver.studentsct.model.Request;
    013import org.cpsolver.studentsct.model.Student;
    014
    015
    016/**
    017 * A simple class that converts a solution (with real students) into an empty solution with
    018 * expectations computed based on the assignments. It has two parameters, the input solution
    019 * (XML file) and the output solution (also an XML file).
    020 * <br>
    021 * <br>
    022 *
    023 * @version StudentSct 1.3 (Student Sectioning)<br>
    024 *          Copyright (C) 2013 - 2014 Tomáš Müller<br>
    025 *          <a href="mailto:muller@unitime.org">muller@unitime.org</a><br>
    026 *          <a href="http://muller.unitime.org">http://muller.unitime.org</a><br>
    027 * <br>
    028 *          This library is free software; you can redistribute it and/or modify
    029 *          it under the terms of the GNU Lesser General Public License as
    030 *          published by the Free Software Foundation; either version 3 of the
    031 *          License, or (at your option) any later version. <br>
    032 * <br>
    033 *          This library is distributed in the hope that it will be useful, but
    034 *          WITHOUT ANY WARRANTY; without even the implied warranty of
    035 *          MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
    036 *          Lesser General Public License for more details. <br>
    037 * <br>
    038 *          You should have received a copy of the GNU Lesser General Public
    039 *          License along with this library; if not see
    040 *          <a href='http://www.gnu.org/licenses/'>http://www.gnu.org/licenses/</a>.
    041 */
    042
    043public class Solution2Expectations {
    044    private static org.apache.log4j.Logger sLog = org.apache.log4j.Logger.getLogger(Solution2Expectations.class);
    045
    046    public static void main(String[] args) {
    047        try {
    048            ToolBox.configureLogging();
    049
    050            DataProperties config = new DataProperties();
    051
    052            String command = args[0];
    053            if ("real2exp".equals(command)) {
    054                StudentSectioningModel model = new StudentSectioningModel(config);
    055                Assignment<Request, Enrollment> assignment = new DefaultSingleAssignment<Request, Enrollment>();
    056                StudentSectioningXMLLoader loader = new StudentSectioningXMLLoader(model, assignment);
    057                loader.setInputFile(new File(args[1]));
    058                loader.load();
    059
    060                sLog.info("Loaded: " + ToolBox.dict2string(model.getExtendedInfo(assignment), 2));
    061
    062                for (Student s: model.getStudents()) s.setDummy(true);
    063                model.computeOnlineSectioningInfos(assignment);
    064                for (Student s: model.getStudents()) s.setDummy(false);
    065                for (Request request: model.variables())
    066                    assignment.unassign(0, request);
    067
    068                Solution<Request, Enrollment> solution = new Solution<Request, Enrollment>(model, assignment, 0, 0);
    069                Solver<Request, Enrollment> solver = new Solver<Request, Enrollment>(config);
    070                solver.setInitalSolution(solution);
    071                new StudentSectioningXMLSaver(solver).save(new File(args[2]));
    072
    073                sLog.info("Saved: " + ToolBox.dict2string(model.getExtendedInfo(assignment), 2));
    074            } else if ("ll2exp".equals(command)) {
    075                StudentSectioningModel model = new StudentSectioningModel(config);
    076                Assignment<Request, Enrollment> assignment = new DefaultSingleAssignment<Request, Enrollment>();
    077                StudentSectioningXMLLoader loader = new StudentSectioningXMLLoader(model, assignment);
    078                loader.setInputFile(new File(args[1]));
    079                loader.load();
    080
    081                sLog.info("Loaded: " + ToolBox.dict2string(model.getExtendedInfo(assignment), 2));
    082
    083                model.computeOnlineSectioningInfos(assignment);
    084                for (Request request: model.variables())
    085                    assignment.unassign(0, request);
    086
    087                Solution<Request, Enrollment> solution = new Solution<Request, Enrollment>(model, assignment, 0, 0);
    088                Solver<Request, Enrollment> solver = new Solver<Request, Enrollment>(config);
    089                solver.setInitalSolution(solution);
    090                new StudentSectioningXMLSaver(solver).save(new File(args[2]));
    091
    092                sLog.info("Saved: " + ToolBox.dict2string(model.getExtendedInfo(assignment), 2));
    093            } else if ("students".equals(command)) {
    094                StudentSectioningModel model = new StudentSectioningModel(config);
    095                Assignment<Request, Enrollment> assignment = new DefaultSingleAssignment<Request, Enrollment>();
    096                StudentSectioningXMLLoader loader = new StudentSectioningXMLLoader(model, assignment);
    097                loader.setInputFile(new File(args[1]));
    098                loader.setLoadStudents(false);
    099                loader.load();
    100
    101                sLog.info("Loaded [1]: " + ToolBox.dict2string(model.getExtendedInfo(assignment), 2));
    102
    103                StudentSectioningXMLLoader loder2 = new StudentSectioningXMLLoader(model, assignment);
    104                loder2.setInputFile(new File(args[2]));
    105                loder2.setLoadOfferings(false);
    106                loder2.setLoadStudents(true);
    107                loder2.load();
    108
    109                sLog.info("Loaded [2]: " + ToolBox.dict2string(model.getExtendedInfo(assignment), 2));
    110
    111                Solution<Request, Enrollment> solution = new Solution<Request, Enrollment>(model, assignment, 0, 0);
    112                Solver<Request, Enrollment> solver = new Solver<Request, Enrollment>(config);
    113                solver.setInitalSolution(solution);
    114                new StudentSectioningXMLSaver(solver).save(new File(args[3]));
    115
    116                sLog.info("Saved [3]: " + ToolBox.dict2string(model.getExtendedInfo(assignment), 2));
    117            } else {
    118                sLog.error("Unknown command: " + command);
    119            }
    120        } catch (Exception e) {
    121            sLog.error(e.getMessage(), e);
    122        }
    123    }
    124
    125}