    001package org.cpsolver.studentsct.reservation;
    002
    003import java.util.Collection;
    004import java.util.HashSet;
    005import java.util.Set;
    006
    007import org.cpsolver.studentsct.model.Course;
    008import org.cpsolver.studentsct.model.Offering;
    009import org.cpsolver.studentsct.model.Student;
    010
    011/**
    012 * Individual restriction. A restriction for a particular student (or students).
    013 *
    014 * <br>
    015 * <br>
    016 *
    017 * @author  Tomáš Müller
    018 * @version StudentSct 1.3 (Student Sectioning)<br>
    019 *          Copyright (C) 2007 - 2020 Tomáš Müller<br>
    020 *          <a href="mailto:muller@unitime.org">muller@unitime.org</a><br>
    021 *          <a href="http://muller.unitime.org">http://muller.unitime.org</a><br>
    022 * <br>
    023 *          This library is free software; you can redistribute it and/or modify
    024 *          it under the terms of the GNU Lesser General Public License as
    025 *          published by the Free Software Foundation; either version 3 of the
    026 *          License, or (at your option) any later version. <br>
    027 * <br>
    028 *          This library is distributed in the hope that it will be useful, but
    029 *          WITHOUT ANY WARRANTY; without even the implied warranty of
    030 *          MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
    031 *          Lesser General Public License for more details. <br>
    032 * <br>
    033 *          You should have received a copy of the GNU Lesser General Public
    034 *          License along with this library; if not see
    035 *          <a href='http://www.gnu.org/licenses/'>http://www.gnu.org/licenses/</a>.
    036 */
    037public class IndividualRestriction extends Restriction {
    038    private Set<Long> iStudentIds = new HashSet<Long>();
    039
    040    /**
    041     * Constructor
    042     * @param id restriction unique id
    043     * @param offering instructional offering on which the restriction is set
    044     * @param studentIds one or more students
    045     */
    046    public IndividualRestriction(long id, Offering offering, Long... studentIds) {
    047        super(id, offering);
    048        for (Long studentId: studentIds) {
    049            iStudentIds.add(studentId);
    050        }
    051    }
    052
    053    /**
    054     * Constructor
    055     * @param id restriction unique id
    056     * @param offering instructional offering on which the restriction is set
    057     * @param studentIds one or more students
    058     */
    059    public IndividualRestriction(long id, Offering offering, Collection<Long> studentIds) {
    060        super(id, offering);
    061        iStudentIds.addAll(studentIds);
    062    }
    063
    064    /**
    065     * Restriction is applicable for all students in the restriction
    066     */
    067    @Override
    068    public boolean isApplicable(Student student, Course course) {
    069        return iStudentIds.contains(student.getId());
    070    }
    071
    072    /**
    073     * Students in the restriction
    074     * @return set of student ids associated with this restriction
    075     */
    076    public Set<Long> getStudentIds() {
    077        return iStudentIds;
    078    }
    079}