Examples with Section org.cpsolver.studentsct.model.Section used on opensource projects

Example 41 with Section

use of org.cpsolver.studentsct.model.Section in project cpsolver by UniTime.

the class TimeOverlapConflictTable method createTable.

/**
     * Create report
     * 
     * @param assignment current assignment
     * @param includeLastLikeStudents
     *            true, if last-like students should be included (i.e.,
     *            {@link Student#isDummy()} is true)
     * @param includeRealStudents
     *            true, if real students should be included (i.e.,
     *            {@link Student#isDummy()} is false)
     * @param useAmPm use 12-hour format
     * @return report as comma separated text file
     */
public CSVFile createTable(Assignment<Request, Enrollment> assignment, boolean includeLastLikeStudents, boolean includeRealStudents, boolean useAmPm) {
    CSVFile csv = new CSVFile();
    csv.setHeader(new CSVFile.CSVField[] { new CSVFile.CSVField("Course"), new CSVFile.CSVField("Total\nConflicts"), new CSVFile.CSVField("Class"), new CSVFile.CSVField("Meeting Time"), new CSVFile.CSVField("Time\nConflicts"), new CSVFile.CSVField("% of Total\nConflicts"), new CSVFile.CSVField("Conflicting\nClass"), new CSVFile.CSVField("Conflicting\nMeeting Time"), new CSVFile.CSVField("Overlap [min]"), new CSVFile.CSVField("Joined\nConflicts"), new CSVFile.CSVField("% of Total\nConflicts") });
    Set<Conflict> confs = new HashSet<Conflict>();
    for (Request r1 : getModel().variables()) {
        Enrollment e1 = assignment.getValue(r1);
        if (e1 == null || r1 instanceof FreeTimeRequest)
            continue;
        for (Request r2 : r1.getStudent().getRequests()) {
            Enrollment e2 = assignment.getValue(r2);
            if (r2 instanceof FreeTimeRequest) {
                FreeTimeRequest ft = (FreeTimeRequest) r2;
                confs.addAll(iTOC.conflicts(e1, ft.createEnrollment()));
            } else if (e2 != null && r1.getId() < r2.getId()) {
                confs.addAll(iTOC.conflicts(e1, e2));
            }
        }
    }
    HashMap<Course, Set<Long>> totals = new HashMap<Course, Set<Long>>();
    HashMap<CourseSection, Map<CourseSection, Double>> conflictingPairs = new HashMap<CourseSection, Map<CourseSection, Double>>();
    HashMap<CourseSection, Set<Long>> sectionOverlaps = new HashMap<CourseSection, Set<Long>>();
    for (Conflict conflict : confs) {
        if (conflict.getStudent().isDummy() && !includeLastLikeStudents)
            continue;
        if (!conflict.getStudent().isDummy() && !includeRealStudents)
            continue;
        if (conflict.getR1() == null || conflict.getR1() instanceof FreeTimeRequest || conflict.getR2() == null || conflict.getR2() instanceof FreeTimeRequest)
            continue;
        Section s1 = (Section) conflict.getS1(), s2 = (Section) conflict.getS2();
        Request r1 = conflict.getR1();
        Course c1 = assignment.getValue(conflict.getR1()).getCourse();
        Request r2 = conflict.getR2();
        Course c2 = assignment.getValue(conflict.getR2()).getCourse();
        CourseSection a = new CourseSection(c1, s1);
        CourseSection b = new CourseSection(c2, s2);
        Set<Long> students = totals.get(c1);
        if (students == null) {
            students = new HashSet<Long>();
            totals.put(c1, students);
        }
        students.add(r1.getStudent().getId());
        students = totals.get(c2);
        if (students == null) {
            students = new HashSet<Long>();
            totals.put(c2, students);
        }
        students.add(r2.getStudent().getId());
        Set<Long> total = sectionOverlaps.get(a);
        if (total == null) {
            total = new HashSet<Long>();
            sectionOverlaps.put(a, total);
        }
        total.add(r1.getStudent().getId());
        Map<CourseSection, Double> pair = conflictingPairs.get(a);
        if (pair == null) {
            pair = new HashMap<CourseSection, Double>();
            conflictingPairs.put(a, pair);
        }
        Double prev = pair.get(b);
        pair.put(b, r2.getWeight() + (prev == null ? 0.0 : prev.doubleValue()));
        total = sectionOverlaps.get(b);
        if (total == null) {
            total = new HashSet<Long>();
            sectionOverlaps.put(b, total);
        }
        total.add(r2.getStudent().getId());
        pair = conflictingPairs.get(b);
        if (pair == null) {
            pair = new HashMap<CourseSection, Double>();
            conflictingPairs.put(b, pair);
        }
        prev = pair.get(a);
        pair.put(a, r1.getWeight() + (prev == null ? 0.0 : prev.doubleValue()));
    }
    Comparator<Course> courseComparator = new Comparator<Course>() {

        @Override
        public int compare(Course a, Course b) {
            int cmp = a.getName().compareTo(b.getName());
            if (cmp != 0)
                return cmp;
            return a.getId() < b.getId() ? -1 : a.getId() == b.getId() ? 0 : 1;
        }
    };
    Comparator<Section> sectionComparator = new Comparator<Section>() {

        @Override
        public int compare(Section a, Section b) {
            int cmp = a.getSubpart().getConfig().getOffering().getName().compareTo(b.getSubpart().getConfig().getOffering().getName());
            if (cmp != 0)
                return cmp;
            cmp = a.getSubpart().getInstructionalType().compareTo(b.getSubpart().getInstructionalType());
            // cmp = a.getName().compareTo(b.getName());
            if (cmp != 0)
                return cmp;
            return a.getId() < b.getId() ? -1 : a.getId() == b.getId() ? 0 : 1;
        }
    };
    TreeSet<Course> courses = new TreeSet<Course>(courseComparator);
    courses.addAll(totals.keySet());
    for (Course course : courses) {
        Set<Long> total = totals.get(course);
        TreeSet<Section> sections = new TreeSet<Section>(sectionComparator);
        for (Map.Entry<CourseSection, Set<Long>> entry : sectionOverlaps.entrySet()) if (course.equals(entry.getKey().getCourse()))
            sections.add(entry.getKey().getSection());
        boolean firstCourse = true;
        for (Section section : sections) {
            Set<Long> sectionOverlap = sectionOverlaps.get(new CourseSection(course, section));
            Map<CourseSection, Double> pair = conflictingPairs.get(new CourseSection(course, section));
            boolean firstClass = true;
            for (CourseSection other : new TreeSet<CourseSection>(pair.keySet())) {
                List<CSVFile.CSVField> line = new ArrayList<CSVFile.CSVField>();
                line.add(new CSVFile.CSVField(firstCourse && firstClass ? course.getName() : ""));
                line.add(new CSVFile.CSVField(firstCourse && firstClass ? total.size() : ""));
                line.add(new CSVFile.CSVField(firstClass ? section.getSubpart().getName() + " " + section.getName(course.getId()) : ""));
                line.add(new CSVFile.CSVField(firstClass ? section.getTime() == null ? "" : section.getTime().getDayHeader() + " " + section.getTime().getStartTimeHeader(useAmPm) + " - " + section.getTime().getEndTimeHeader(useAmPm) : ""));
                line.add(new CSVFile.CSVField(firstClass && sectionOverlap != null ? String.valueOf(sectionOverlap.size()) : ""));
                line.add(new CSVFile.CSVField(firstClass && sectionOverlap != null ? sDF2.format(((double) sectionOverlap.size()) / total.size()) : ""));
                line.add(new CSVFile.CSVField(other.getCourse().getName() + " " + other.getSection().getSubpart().getName() + " " + other.getSection().getName(other.getCourse().getId())));
                line.add(new CSVFile.CSVField(other.getSection().getTime().getDayHeader() + " " + other.getSection().getTime().getStartTimeHeader(useAmPm) + " - " + other.getSection().getTime().getEndTimeHeader(useAmPm)));
                line.add(new CSVFile.CSVField(sDF1.format(5 * iTOC.share(section, other.getSection()))));
                line.add(new CSVFile.CSVField(sDF1.format(pair.get(other))));
                line.add(new CSVFile.CSVField(sDF2.format(pair.get(other) / total.size())));
                csv.addLine(line);
                firstClass = false;
            }
            firstCourse = false;
        }
        csv.addLine();
    }
    return csv;
}

Example 42 with Section

use of org.cpsolver.studentsct.model.Section in project cpsolver by UniTime.

the class Reservation method nrChoices.

/** Number of choices and number of chaing choices in the given sub enrollment */
private int[] nrChoices(Config config, int idx, HashSet<Section> sections, boolean matching) {
    if (config.getSubparts().size() == idx) {
        return new int[] { 1, matching ? 1 : 0 };
    } else {
        Subpart subpart = config.getSubparts().get(idx);
        Set<Section> matchingSections = getSections(subpart);
        int choicesThisSubpart = 0;
        int matchingChoicesThisSubpart = 0;
        for (Section section : subpart.getSections()) {
            if (section.getParent() != null && !sections.contains(section.getParent()))
                continue;
            if (section.isOverlapping(sections))
                continue;
            sections.add(section);
            boolean m = matching && (matchingSections == null || matchingSections.contains(section));
            int[] x = nrChoices(config, 1 + idx, sections, m);
            choicesThisSubpart += x[0];
            matchingChoicesThisSubpart += x[1];
            sections.remove(section);
        }
        return new int[] { choicesThisSubpart, matchingChoicesThisSubpart };
    }
}

Example 43 with Section

use of org.cpsolver.studentsct.model.Section in project cpsolver by UniTime.

the class SuggestionSelection method setRequiredSections.

@Override
public void setRequiredSections(Hashtable<CourseRequest, Set<Section>> requiredSections) {
    iRequiredConfig = new Hashtable<CourseRequest, Config>();
    iRequiredSection = new Hashtable<CourseRequest, Hashtable<Subpart, Section>>();
    if (requiredSections != null) {
        for (Map.Entry<CourseRequest, Set<Section>> entry : requiredSections.entrySet()) {
            Hashtable<Subpart, Section> subSection = new Hashtable<Subpart, Section>();
            iRequiredSection.put(entry.getKey(), subSection);
            for (Section section : entry.getValue()) {
                if (subSection.isEmpty())
                    iRequiredConfig.put(entry.getKey(), section.getSubpart().getConfig());
                subSection.put(section.getSubpart(), section);
            }
        }
    }
}

Example 44 with Section

use of org.cpsolver.studentsct.model.Section in project cpsolver by UniTime.

the class MultiCriteriaBranchAndBoundSelection method isAllowed.

public boolean isAllowed(int idx, Enrollment enrollment) {
    if (enrollment.isCourseRequest()) {
        CourseRequest request = (CourseRequest) enrollment.getRequest();
        Config reqConfig = iRequiredConfig.get(request);
        if (reqConfig != null) {
            if (!reqConfig.equals(enrollment.getConfig()))
                return false;
            Hashtable<Subpart, Section> reqSections = iRequiredSection.get(request);
            for (Section section : enrollment.getSections()) {
                Section reqSection = reqSections.get(section.getSubpart());
                if (reqSection == null)
                    continue;
                if (!section.equals(reqSection))
                    return false;
            }
        }
    } else if (iRequiredFreeTimes.contains(enrollment.getRequest())) {
        if (enrollment.getAssignments() == null || enrollment.getAssignments().isEmpty())
            return false;
    }
    return true;
}

Example 45 with Section

use of org.cpsolver.studentsct.model.Section in project cpsolver by UniTime.

the class MultiCriteriaBranchAndBoundSelection method setRequiredSections.

@Override
public void setRequiredSections(Hashtable<CourseRequest, Set<Section>> requiredSections) {
    if (requiredSections != null) {
        for (Map.Entry<CourseRequest, Set<Section>> entry : requiredSections.entrySet()) {
            Hashtable<Subpart, Section> subSection = new Hashtable<Subpart, Section>();
            iRequiredSection.put(entry.getKey(), subSection);
            for (Section section : entry.getValue()) {
                if (subSection.isEmpty())
                    iRequiredConfig.put(entry.getKey(), section.getSubpart().getConfig());
                subSection.put(section.getSubpart(), section);
            }
        }
    }
}