001 package net.sf.cpsolver.studentsct.filter;
002
003 import net.sf.cpsolver.studentsct.model.Student;
004
005 /**
006 * This student filter accepts students that are not accepted by the provided
007 * student filter.
008 *
009 * @version StudentSct 1.2 (Student Sectioning)<br>
010 * Copyright (C) 2007 - 2010 Tomas Muller<br>
011 * <a href="mailto:muller@unitime.org">muller@unitime.org</a><br>
012 * <a href="http://muller.unitime.org">http://muller.unitime.org</a><br>
013 * <br>
014 * This library is free software; you can redistribute it and/or modify
015 * it under the terms of the GNU Lesser General Public License as
016 * published by the Free Software Foundation; either version 3 of the
017 * License, or (at your option) any later version. <br>
018 * <br>
019 * This library is distributed in the hope that it will be useful, but
020 * WITHOUT ANY WARRANTY; without even the implied warranty of
021 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
022 * Lesser General Public License for more details. <br>
023 * <br>
024 * You should have received a copy of the GNU Lesser General Public
025 * License along with this library; if not see
026 * <a href='http://www.gnu.org/licenses/'>http://www.gnu.org/licenses/</a>.
027 */
028
029 public class ReverseStudentFilter implements StudentFilter {
030 private StudentFilter iFilter = null;
031
032 /**
033 * Constructor
034 *
035 * @param filter
036 * student filter that is to be reversed
037 */
038 public ReverseStudentFilter(StudentFilter filter) {
039 iFilter = filter;
040 }
041
042 /**
043 * Accept student. Student is accepted if the provided student filter
044 * refuses him/her.
045 **/
046 @Override
047 public boolean accept(Student student) {
048 return (iFilter == null ? false : !iFilter.accept(student));
049 }
050
051 }