    001package org.cpsolver.studentsct.reservation;
    002
    003import java.util.Collection;
    004import java.util.HashSet;
    005import java.util.Set;
    006
    007import org.cpsolver.studentsct.model.Offering;
    008import org.cpsolver.studentsct.model.Student;
    009
    010/**
    011 * Individual restriction. A restriction for a particular student (or students).
    012 *
    013 * <br>
    014 * <br>
    015 *
    016 * @version StudentSct 1.3 (Student Sectioning)<br>
    017 *          Copyright (C) 2007 - 2020 Tomáš Müller<br>
    018 *          <a href="mailto:muller@unitime.org">muller@unitime.org</a><br>
    019 *          <a href="http://muller.unitime.org">http://muller.unitime.org</a><br>
    020 * <br>
    021 *          This library is free software; you can redistribute it and/or modify
    022 *          it under the terms of the GNU Lesser General Public License as
    023 *          published by the Free Software Foundation; either version 3 of the
    024 *          License, or (at your option) any later version. <br>
    025 * <br>
    026 *          This library is distributed in the hope that it will be useful, but
    027 *          WITHOUT ANY WARRANTY; without even the implied warranty of
    028 *          MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
    029 *          Lesser General Public License for more details. <br>
    030 * <br>
    031 *          You should have received a copy of the GNU Lesser General Public
    032 *          License along with this library; if not see
    033 *          <a href='http://www.gnu.org/licenses/'>http://www.gnu.org/licenses/</a>.
    034 */
    035public class IndividualRestriction extends Restriction {
    036    private Set<Long> iStudentIds = new HashSet<Long>();
    037
    038    /**
    039     * Constructor
    040     * @param id restriction unique id
    041     * @param offering instructional offering on which the restriction is set
    042     * @param studentIds one or more students
    043     */
    044    public IndividualRestriction(long id, Offering offering, Long... studentIds) {
    045        super(id, offering);
    046        for (Long studentId: studentIds) {
    047            iStudentIds.add(studentId);
    048        }
    049    }
    050
    051    /**
    052     * Constructor
    053     * @param id restriction unique id
    054     * @param offering instructional offering on which the restriction is set
    055     * @param studentIds one or more students
    056     */
    057    public IndividualRestriction(long id, Offering offering, Collection<Long> studentIds) {
    058        super(id, offering);
    059        iStudentIds.addAll(studentIds);
    060    }
    061
    062    /**
    063     * Restriction is applicable for all students in the restriction
    064     */
    065    @Override
    066    public boolean isApplicable(Student student) {
    067        return iStudentIds.contains(student.getId());
    068    }
    069
    070    /**
    071     * Students in the restriction
    072     * @return set of student ids associated with this restriction
    073     */
    074    public Set<Long> getStudentIds() {
    075        return iStudentIds;
    076    }
    077}