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

Example 6 with Course

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

the class StudentSectioningXMLLoader method loadOfferings.

/**
     * Load offerings
     * @param offeringsEl offerings element
     * @param offeringTable offering table
     * @param courseTable course table
     * @param timetable provided timetable (null if to be loaded from the given document)
     */
protected void loadOfferings(Element offeringsEl, Map<Long, Offering> offeringTable, Map<Long, Course> courseTable, Map<Long, Placement> timetable) {
    HashMap<Long, Config> configTable = new HashMap<Long, Config>();
    HashMap<Long, Subpart> subpartTable = new HashMap<Long, Subpart>();
    HashMap<Long, Section> sectionTable = new HashMap<Long, Section>();
    for (Iterator<?> i = offeringsEl.elementIterator("offering"); i.hasNext(); ) {
        Element offeringEl = (Element) i.next();
        Offering offering = new Offering(Long.parseLong(offeringEl.attributeValue("id")), offeringEl.attributeValue("name", "O" + offeringEl.attributeValue("id")));
        offeringTable.put(new Long(offering.getId()), offering);
        getModel().addOffering(offering);
        for (Iterator<?> j = offeringEl.elementIterator("course"); j.hasNext(); ) {
            Element courseEl = (Element) j.next();
            Course course = loadCourse(courseEl, offering);
            courseTable.put(new Long(course.getId()), course);
        }
        for (Iterator<?> j = offeringEl.elementIterator("config"); j.hasNext(); ) {
            Element configEl = (Element) j.next();
            Config config = loadConfig(configEl, offering, subpartTable, sectionTable, timetable);
            configTable.put(config.getId(), config);
        }
        for (Iterator<?> j = offeringEl.elementIterator("reservation"); j.hasNext(); ) {
            Element reservationEl = (Element) j.next();
            loadReservation(reservationEl, offering, configTable, sectionTable);
        }
    }
}

Example 7 with Course

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

the class StudentSectioningModel method getInfo.

/**
     * Model info
     */
@Override
public Map<String, String> getInfo(Assignment<Request, Enrollment> assignment) {
    Map<String, String> info = super.getInfo(assignment);
    StudentSectioningModelContext context = getContext(assignment);
    if (!getStudents().isEmpty())
        info.put("Students with complete schedule", sDoubleFormat.format(100.0 * context.nrComplete() / getStudents().size()) + "% (" + context.nrComplete() + "/" + getStudents().size() + ")");
    if (getDistanceConflict() != null && getDistanceConflict().getTotalNrConflicts(assignment) != 0)
        info.put("Student distance conflicts", String.valueOf(getDistanceConflict().getTotalNrConflicts(assignment)));
    if (getTimeOverlaps() != null && getTimeOverlaps().getTotalNrConflicts(assignment) != 0)
        info.put("Time overlapping conflicts", String.valueOf(getTimeOverlaps().getTotalNrConflicts(assignment)));
    int nrLastLikeStudents = getNrLastLikeStudents(false);
    if (nrLastLikeStudents != 0 && nrLastLikeStudents != getStudents().size()) {
        int nrRealStudents = getStudents().size() - nrLastLikeStudents;
        int nrLastLikeCompleteStudents = getNrCompleteLastLikeStudents(assignment, false);
        int nrRealCompleteStudents = context.nrComplete() - nrLastLikeCompleteStudents;
        if (nrLastLikeStudents > 0)
            info.put("Projected students with complete schedule", sDecimalFormat.format(100.0 * nrLastLikeCompleteStudents / nrLastLikeStudents) + "% (" + nrLastLikeCompleteStudents + "/" + nrLastLikeStudents + ")");
        if (nrRealStudents > 0)
            info.put("Real students with complete schedule", sDecimalFormat.format(100.0 * nrRealCompleteStudents / nrRealStudents) + "% (" + nrRealCompleteStudents + "/" + nrRealStudents + ")");
        int nrLastLikeRequests = getNrLastLikeRequests(false);
        int nrRealRequests = variables().size() - nrLastLikeRequests;
        int nrLastLikeAssignedRequests = context.getNrAssignedLastLikeRequests();
        int nrRealAssignedRequests = assignment.nrAssignedVariables() - nrLastLikeAssignedRequests;
        if (nrLastLikeRequests > 0)
            info.put("Projected assigned requests", sDecimalFormat.format(100.0 * nrLastLikeAssignedRequests / nrLastLikeRequests) + "% (" + nrLastLikeAssignedRequests + "/" + nrLastLikeRequests + ")");
        if (nrRealRequests > 0)
            info.put("Real assigned requests", sDecimalFormat.format(100.0 * nrRealAssignedRequests / nrRealRequests) + "% (" + nrRealAssignedRequests + "/" + nrRealRequests + ")");
        if (getDistanceConflict() != null && getDistanceConflict().getTotalNrConflicts(assignment) > 0)
            info.put("Student distance conflicts", String.valueOf(getDistanceConflict().getTotalNrConflicts(assignment)));
        if (getTimeOverlaps() != null && getTimeOverlaps().getTotalNrConflicts(assignment) > 0)
            info.put("Time overlapping conflicts", String.valueOf(getTimeOverlaps().getTotalNrConflicts(assignment)));
    }
    context.getInfo(assignment, info);
    double groupSpread = 0.0;
    double groupCount = 0;
    for (Offering offering : iOfferings) {
        for (Course course : offering.getCourses()) {
            for (RequestGroup group : course.getRequestGroups()) {
                groupSpread += group.getAverageSpread(assignment) * group.getEnrollmentWeight(assignment, null);
                groupCount += group.getEnrollmentWeight(assignment, null);
            }
        }
    }
    if (groupCount > 0)
        info.put("Same group", sDecimalFormat.format(100.0 * groupSpread / groupCount) + "%");
    return info;
}

Example 8 with Course

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

the class StudentSectioningModel method toString.

@Override
public String toString(Assignment<Request, Enrollment> assignment) {
    double groupSpread = 0.0;
    double groupCount = 0;
    for (Offering offering : iOfferings) {
        for (Course course : offering.getCourses()) {
            for (RequestGroup group : course.getRequestGroups()) {
                groupSpread += group.getAverageSpread(assignment) * group.getEnrollmentWeight(assignment, null);
                groupCount += group.getEnrollmentWeight(assignment, null);
            }
        }
    }
    return (getNrRealStudents(false) > 0 ? "RRq:" + getNrAssignedRealRequests(assignment, false) + "/" + getNrRealRequests(false) + ", " : "") + (getNrLastLikeStudents(false) > 0 ? "DRq:" + getNrAssignedLastLikeRequests(assignment, false) + "/" + getNrLastLikeRequests(false) + ", " : "") + (getNrRealStudents(false) > 0 ? "RS:" + getNrCompleteRealStudents(assignment, false) + "/" + getNrRealStudents(false) + ", " : "") + (getNrLastLikeStudents(false) > 0 ? "DS:" + getNrCompleteLastLikeStudents(assignment, false) + "/" + getNrLastLikeStudents(false) + ", " : "") + "V:" + sDecimalFormat.format(-getTotalValue(assignment)) + (getDistanceConflict() == null ? "" : ", DC:" + getDistanceConflict().getTotalNrConflicts(assignment)) + (getTimeOverlaps() == null ? "" : ", TOC:" + getTimeOverlaps().getTotalNrConflicts(assignment)) + (iMPP ? ", IS:" + sDecimalFormat.format(100.0 * getContext(assignment).iAssignedSameSectionWeight / iTotalMPPCRWeight) + "%" : "") + (iMPP ? ", IT:" + sDecimalFormat.format(100.0 * getContext(assignment).iAssignedSameTimeWeight / iTotalMPPCRWeight) + "%" : "") + ", %:" + sDecimalFormat.format(-100.0 * getTotalValue(assignment) / (getStudents().size() - iNrDummyStudents + (iProjectedStudentWeight < 0.0 ? iNrDummyStudents * (iTotalDummyWeight / iNrDummyRequests) : iProjectedStudentWeight * iTotalDummyWeight))) + (groupCount > 0 ? ", SG:" + sDecimalFormat.format(100.0 * groupSpread / groupCount) + "%" : "");
}

Example 9 with Course

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

the class OriginalStudentWeights method main.

/**
     * Test case -- run to see the weights for a few courses
     * @param args program arguments
     */
public static void main(String[] args) {
    OriginalStudentWeights pw = new OriginalStudentWeights(new DataProperties());
    DecimalFormat df = new DecimalFormat("0.000");
    Student s = new Student(0l);
    new CourseRequest(1l, 0, false, s, ToolBox.toList(new Course(1, "A", "1", new Offering(0, "A")), new Course(1, "A", "2", new Offering(0, "A")), new Course(1, "A", "3", new Offering(0, "A"))), false, null);
    new CourseRequest(2l, 1, false, s, ToolBox.toList(new Course(1, "B", "1", new Offering(0, "B")), new Course(1, "B", "2", new Offering(0, "B")), new Course(1, "B", "3", new Offering(0, "B"))), false, null);
    new CourseRequest(3l, 2, false, s, ToolBox.toList(new Course(1, "C", "1", new Offering(0, "C")), new Course(1, "C", "2", new Offering(0, "C")), new Course(1, "C", "3", new Offering(0, "C"))), false, null);
    new CourseRequest(4l, 3, false, s, ToolBox.toList(new Course(1, "D", "1", new Offering(0, "D")), new Course(1, "D", "2", new Offering(0, "D")), new Course(1, "D", "3", new Offering(0, "D"))), false, null);
    new CourseRequest(5l, 4, false, s, ToolBox.toList(new Course(1, "E", "1", new Offering(0, "E")), new Course(1, "E", "2", new Offering(0, "E")), new Course(1, "E", "3", new Offering(0, "E"))), false, null);
    new CourseRequest(6l, 5, true, s, ToolBox.toList(new Course(1, "F", "1", new Offering(0, "F")), new Course(1, "F", "2", new Offering(0, "F")), new Course(1, "F", "3", new Offering(0, "F"))), false, null);
    new CourseRequest(7l, 6, true, s, ToolBox.toList(new Course(1, "G", "1", new Offering(0, "G")), new Course(1, "G", "2", new Offering(0, "G")), new Course(1, "G", "3", new Offering(0, "G"))), false, null);
    Assignment<Request, Enrollment> assignment = new DefaultSingleAssignment<Request, Enrollment>();
    Placement p = new Placement(null, new TimeLocation(1, 90, 12, 0, 0, null, null, new BitSet(), 10), new ArrayList<RoomLocation>());
    for (Request r : s.getRequests()) {
        CourseRequest cr = (CourseRequest) r;
        double[] w = new double[] { 0.0, 0.0, 0.0 };
        for (int i = 0; i < cr.getCourses().size(); i++) {
            Config cfg = new Config(0l, -1, "", cr.getCourses().get(i).getOffering());
            Set<SctAssignment> sections = new HashSet<SctAssignment>();
            sections.add(new Section(0, 1, "x", new Subpart(0, "Lec", "Lec", cfg, null), p, null));
            Enrollment e = new Enrollment(cr, i, cfg, sections, assignment);
            w[i] = pw.getWeight(assignment, e, null, null);
        }
        System.out.println(cr + ": " + df.format(w[0]) + "  " + df.format(w[1]) + "  " + df.format(w[2]));
    }
    System.out.println("With one distance conflict:");
    for (Request r : s.getRequests()) {
        CourseRequest cr = (CourseRequest) r;
        double[] w = new double[] { 0.0, 0.0, 0.0 };
        for (int i = 0; i < cr.getCourses().size(); i++) {
            Config cfg = new Config(0l, -1, "", cr.getCourses().get(i).getOffering());
            Set<SctAssignment> sections = new HashSet<SctAssignment>();
            sections.add(new Section(0, 1, "x", new Subpart(0, "Lec", "Lec", cfg, null), p, null));
            Enrollment e = new Enrollment(cr, i, cfg, sections, assignment);
            Set<DistanceConflict.Conflict> dc = new HashSet<DistanceConflict.Conflict>();
            dc.add(new DistanceConflict.Conflict(s, e, (Section) sections.iterator().next(), e, (Section) sections.iterator().next()));
            w[i] = pw.getWeight(assignment, e, dc, null);
        }
        System.out.println(cr + ": " + df.format(w[0]) + "  " + df.format(w[1]) + "  " + df.format(w[2]));
    }
    System.out.println("With two distance conflicts:");
    for (Request r : s.getRequests()) {
        CourseRequest cr = (CourseRequest) r;
        double[] w = new double[] { 0.0, 0.0, 0.0 };
        for (int i = 0; i < cr.getCourses().size(); i++) {
            Config cfg = new Config(0l, -1, "", cr.getCourses().get(i).getOffering());
            Set<SctAssignment> sections = new HashSet<SctAssignment>();
            sections.add(new Section(0, 1, "x", new Subpart(0, "Lec", "Lec", cfg, null), p, null));
            Enrollment e = new Enrollment(cr, i, cfg, sections, assignment);
            Set<DistanceConflict.Conflict> dc = new HashSet<DistanceConflict.Conflict>();
            dc.add(new DistanceConflict.Conflict(s, e, (Section) sections.iterator().next(), e, (Section) sections.iterator().next()));
            dc.add(new DistanceConflict.Conflict(s, e, (Section) sections.iterator().next(), e, new Section(1, 1, "x", new Subpart(0, "Lec", "Lec", cfg, null), p, null)));
            w[i] = pw.getWeight(assignment, e, dc, null);
        }
        System.out.println(cr + ": " + df.format(w[0]) + "  " + df.format(w[1]) + "  " + df.format(w[2]));
    }
    System.out.println("With 25% time overlapping conflicts:");
    for (Request r : s.getRequests()) {
        CourseRequest cr = (CourseRequest) r;
        double[] w = new double[] { 0.0, 0.0, 0.0 };
        for (int i = 0; i < cr.getCourses().size(); i++) {
            Config cfg = new Config(0l, -1, "", cr.getCourses().get(i).getOffering());
            Set<SctAssignment> sections = new HashSet<SctAssignment>();
            sections.add(new Section(0, 1, "x", new Subpart(0, "Lec", "Lec", cfg, null), p, null));
            Enrollment e = new Enrollment(cr, i, cfg, sections, assignment);
            Set<TimeOverlapsCounter.Conflict> toc = new HashSet<TimeOverlapsCounter.Conflict>();
            toc.add(new TimeOverlapsCounter.Conflict(s, 3, e, sections.iterator().next(), e, sections.iterator().next()));
            w[i] = pw.getWeight(assignment, e, null, toc);
        }
        System.out.println(cr + ": " + df.format(w[0]) + "  " + df.format(w[1]) + "  " + df.format(w[2]));
    }
}

Example 10 with Course

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

the class StudentSectioningXMLSaver method saveOffering.

/**
     * Save given offering
     * @param offeringEl offering element to be populated
     * @param offering offering to be saved
     */
protected void saveOffering(Element offeringEl, Offering offering) {
    offeringEl.addAttribute("id", getId("offering", offering.getId()));
    if (iShowNames)
        offeringEl.addAttribute("name", offering.getName());
    for (Course course : offering.getCourses()) {
        Element courseEl = offeringEl.addElement("course");
        saveCourse(courseEl, course);
    }
    for (Config config : offering.getConfigs()) {
        Element configEl = offeringEl.addElement("config");
        saveConfig(configEl, config);
    }
}