001    package net.sf.cpsolver.studentsct.report;
002    
003    import net.sf.cpsolver.studentsct.model.Course;
004    import net.sf.cpsolver.studentsct.model.Section;
005    
006    /**
007     * A simple class containing reference to a (course, class) pair. Used in some of the reports.
008     * Provides sorting capabilities.
009     * 
010     * <br>
011     * <br>
012     *  
013     * @version StudentSct 1.2 (Student Sectioning)<br>
014     *          Copyright (C) 2013 Tomas Muller<br>
015     *          <a href="mailto:muller@unitime.org">muller@unitime.org</a><br>
016     *          <a href="http://muller.unitime.org">http://muller.unitime.org</a><br>
017     * <br>
018     *          This library is free software; you can redistribute it and/or modify
019     *          it under the terms of the GNU Lesser General Public License as
020     *          published by the Free Software Foundation; either version 3 of the
021     *          License, or (at your option) any later version. <br>
022     * <br>
023     *          This library is distributed in the hope that it will be useful, but
024     *          WITHOUT ANY WARRANTY; without even the implied warranty of
025     *          MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
026     *          Lesser General Public License for more details. <br>
027     * <br>
028     *          You should have received a copy of the GNU Lesser General Public
029     *          License along with this library; if not see
030     *          <a href='http://www.gnu.org/licenses/'>http://www.gnu.org/licenses/</a>.
031     */
032    public class CourseSection implements Comparable<CourseSection> {
033        private Course iCourse;
034        private Section iSection;
035        
036        /**
037         * Constructor
038         */
039        public CourseSection(Course course, Section section) {
040            iCourse = course;
041            iSection = section;
042        }
043        
044        /**
045         * Course
046         */
047        public Course getCourse() { return iCourse; }
048        
049        /**
050         * Class
051         */
052        public Section getSection() { return iSection; }
053        
054        @Override
055        public boolean equals(Object o) {
056            if (o == null || !(o instanceof CourseSection)) return false;
057            CourseSection cs = (CourseSection)o;
058            return getCourse().equals(cs.getCourse()) && getSection().equals(cs.getSection());
059        }
060        
061        @Override
062        public int hashCode() {
063            long h1 = getCourse().hashCode();
064            long h2 = getSection().hashCode();
065            return (int)(h1 ^ (h2 >>> 32));
066        }
067        
068        @Override
069        public int compareTo(CourseSection other) {
070            int cmp = getCourse().getName().compareTo(other.getCourse().getName());
071            if (cmp != 0) return cmp;
072            cmp = getSection().getSubpart().getInstructionalType().compareTo(other.getSection().getSubpart().getInstructionalType());
073            if (cmp != 0) return cmp;
074            // cmp = getSection().getName().compareTo(other.getSection().getName());
075            // if (cmp != 0) return cmp;
076            return getSection().getId() < other.getSection().getId() ? -1 : getSection().getId() == other.getSection().getId() ? 0 : 1;
077        }
078    }