001package org.cpsolver.studentsct.filter; 002 003import org.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 1.3 (Student Sectioning)<br> 010 * Copyright (C) 2007 - 2014 Tomáš Müller<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 029public 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 @Override 052 public String getName() { 053 return "NOT " + iFilter.getName(); 054 } 055 056}