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