    001package org.cpsolver.studentsct.filter;
    002
    003import org.cpsolver.studentsct.model.Student;
    004import org.cpsolver.studentsct.model.Student.StudentPriority;
    005
    006/**
    007 * This student filter only accepts students that are flagged as priority students.
    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 */
    028public class PriortyStudentFilter implements StudentFilter  {
    029    StudentPriority iPriority = StudentPriority.Priority;
    030    boolean iIncludeHigherPriority = true;
    031
    032    public PriortyStudentFilter(StudentPriority priority, boolean includeHigherPriority) {
    033        iPriority = priority; iIncludeHigherPriority = includeHigherPriority;
    034    }
    035
    036    @Override
    037    public boolean accept(Student student) {
    038        if (student.isDummy()) return false;
    039        if (iIncludeHigherPriority) {
    040            return iPriority.isSameOrHigher(student);
    041        } else {
    042            return iPriority.isSame(student);
    043        }
    044    }
    045
    046    @Override
    047    public String getName() {
    048        return iPriority.name() + (iIncludeHigherPriority ? "+" : "");
    049    }
    050
    051}