001 package net.sf.cpsolver.studentsct; 002 003 import java.io.File; 004 005 import net.sf.cpsolver.ifs.solution.Solution; 006 import net.sf.cpsolver.ifs.solver.Solver; 007 import net.sf.cpsolver.ifs.util.DataProperties; 008 import net.sf.cpsolver.ifs.util.ToolBox; 009 import net.sf.cpsolver.studentsct.model.Enrollment; 010 import net.sf.cpsolver.studentsct.model.Request; 011 import 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 Tomas Muller<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 */ 039 040 public 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 StudentSectioningModel model = new StudentSectioningModel(config); 050 StudentSectioningXMLLoader loader = new StudentSectioningXMLLoader(model); 051 loader.setInputFile(new File(args[0])); 052 loader.load(); 053 054 sLog.info("Loaded: " + ToolBox.dict2string(model.getExtendedInfo(), 2)); 055 056 for (Student s: model.getStudents()) s.setDummy(true); 057 model.computeOnlineSectioningInfos(); 058 for (Student s: model.getStudents()) s.setDummy(false); 059 for (Request request: model.variables()) 060 if (request.getAssignment() != null) request.unassign(0); 061 062 Solution<Request, Enrollment> solution = new Solution<Request, Enrollment>(model, 0, 0); 063 Solver<Request, Enrollment> solver = new Solver<Request, Enrollment>(config); 064 solver.setInitalSolution(solution); 065 new StudentSectioningXMLSaver(solver).save(new File(args[1])); 066 067 sLog.info("Saved: " + ToolBox.dict2string(model.getExtendedInfo(), 2)); 068 069 } catch (Exception e) { 070 sLog.error(e.getMessage(), e); 071 } 072 } 073 074 }