Examples with ExamPeriod org.cpsolver.exam.model.ExamPeriod used on opensource projects

Example 6 with ExamPeriod

use of org.cpsolver.exam.model.ExamPeriod in project cpsolver by UniTime.

the class ExamRoomSchedule method report.

public CSVFile report(Assignment<Exam, ExamPlacement> assignment) {
    CSVFile csv = new CSVFile();
    csv.setHeader(new CSVField[] { new CSVField("Room"), new CSVField("Cap"), new CSVField("AltCap"), new CSVField("Period"), new CSVField("Date"), new CSVField("Time"), new CSVField("Exam"), new CSVField("Enrl") });
    List<ExamRoom> rooms = new ArrayList<ExamRoom>(iModel.getRooms());
    Collections.sort(rooms, new Comparator<ExamRoom>() {

        @Override
        public int compare(ExamRoom r1, ExamRoom r2) {
            int cmp = -Double.compare(r1.getSize(), r2.getSize());
            if (cmp != 0)
                return cmp;
            cmp = -Double.compare(r1.getAltSize(), r2.getAltSize());
            if (cmp != 0)
                return cmp;
            return r1.compareTo(r2);
        }
    });
    for (ExamRoom room : rooms) {
        boolean first = true;
        int day = -1;
        for (ExamPeriod period : iModel.getPeriods()) {
            for (ExamPlacement placement : room.getPlacements(assignment, period)) {
                Exam exam = placement.variable();
                csv.addLine(new CSVField[] { new CSVField(first ? room.getName() : ""), new CSVField(first ? "" + room.getSize() : ""), new CSVField(first ? "" + room.getAltSize() : ""), new CSVField(period.getIndex() + 1), new CSVField(day == period.getDay() ? "" : period.getDayStr()), new CSVField(period.getTimeStr()), new CSVField(exam.getName()), new CSVField(exam.getStudents().size()) });
                first = false;
                day = period.getDay();
            }
        }
    }
    return csv;
}

Example 7 with ExamPeriod

use of org.cpsolver.exam.model.ExamPeriod in project cpsolver by UniTime.

the class InstructorDistanceBackToBackConflicts method getValue.

@Override
public double getValue(Assignment<Exam, ExamPlacement> assignment, ExamPlacement value, Set<ExamPlacement> conflicts) {
    Exam exam = value.variable();
    double btbDist = getBackToBackDistance();
    if (btbDist < 0)
        return 0;
    int penalty = 0;
    ExamPeriod period = value.getPeriod();
    Map<ExamInstructor, Set<Exam>> prev = (period.prev() != null && period.prev().getDay() == period.getDay() ? ((ExamModel) getModel()).getInstructorsOfPeriod(assignment, period.prev()) : null);
    Map<ExamInstructor, Set<Exam>> next = (period.next() != null && period.next().getDay() == period.getDay() ? ((ExamModel) getModel()).getInstructorsOfPeriod(assignment, period.next()) : null);
    for (ExamInstructor s : exam.getInstructors()) {
        if (prev != null) {
            Set<Exam> exams = prev.get(s);
            if (exams != null)
                for (Exam x : exams) {
                    if (x.equals(exam))
                        continue;
                    if (value.getDistanceInMeters(assignment.getValue(x)) > getBackToBackDistance())
                        penalty++;
                }
        }
        if (next != null) {
            Set<Exam> exams = next.get(s);
            if (exams != null)
                for (Exam x : exams) {
                    if (x.equals(exam))
                        continue;
                    if (value.getDistanceInMeters(assignment.getValue(x)) > getBackToBackDistance())
                        penalty++;
                }
        }
    }
    /*
        for (ExamInstructor s : exam.getInstructors()) {
            if (period.prev() != null) {
                if (period.prev().getDay() == period.getDay()) {
                    for (Exam x : s.getExams(assignment, period.prev())) {
                        if (x.equals(exam))
                            continue;
                        if (value.getDistanceInMeters(assignment.getValue(x)) > btbDist)
                            penalty++;
                    }
                }
            }
            if (period.next() != null) {
                if (period.next().getDay() == period.getDay()) {
                    for (Exam x : s.getExams(assignment, period.next())) {
                        if (x.equals(exam))
                            continue;
                        if (value.getDistanceInMeters(assignment.getValue(x)) > btbDist)
                            penalty++;
                    }
                }
            }
        }
        */
    return penalty;
}

Example 8 with ExamPeriod

use of org.cpsolver.exam.model.ExamPeriod in project cpsolver by UniTime.

the class StudentDirectConflicts method getValue.

@Override
public double getValue(Assignment<Exam, ExamPlacement> assignment, ExamPlacement value, Set<ExamPlacement> conflicts) {
    Exam exam = value.variable();
    int penalty = 0;
    ExamPeriod period = value.getPeriod();
    Map<ExamStudent, Set<Exam>> students = ((ExamModel) getModel()).getStudentsOfPeriod(assignment, period);
    for (ExamStudent s : exam.getStudents()) {
        Set<Exam> exams = students.get(s);
        if (exams == null)
            continue;
        int nrExams = exams.size() + (exams.contains(exam) ? 0 : 1);
        if (nrExams > 1)
            penalty++;
    }
    /*
        for (ExamStudent s : exam.getStudents()) {
            Set<Exam> exams = s.getExams(assignment, period);
            if (exams.isEmpty()) continue;
            int nrExams = exams.size() + (exams.contains(exam) ? 0 : 1);
            if (nrExams > 1)
                penalty++;
        }
        */
    return penalty;
}

Example 9 with ExamPeriod

use of org.cpsolver.exam.model.ExamPeriod in project cpsolver by UniTime.

the class InstructorBackToBackConflicts method getValue.

@Override
public double getValue(Assignment<Exam, ExamPlacement> assignment, ExamPlacement value, Set<ExamPlacement> conflicts) {
    Exam exam = value.variable();
    int penalty = 0;
    ExamPeriod period = value.getPeriod();
    Map<ExamInstructor, Set<Exam>> prev = (period.prev() != null && (isDayBreakBackToBack() || period.prev().getDay() == period.getDay()) ? ((ExamModel) getModel()).getInstructorsOfPeriod(assignment, period.prev()) : null);
    Map<ExamInstructor, Set<Exam>> next = (period.next() != null && (isDayBreakBackToBack() || period.next().getDay() == period.getDay()) ? ((ExamModel) getModel()).getInstructorsOfPeriod(assignment, period.next()) : null);
    for (ExamInstructor s : exam.getInstructors()) {
        if (prev != null) {
            Set<Exam> exams = prev.get(s);
            if (exams != null) {
                int nrExams = exams.size() + (exams.contains(exam) ? -1 : 0);
                penalty += nrExams;
            }
        }
        if (next != null) {
            Set<Exam> exams = next.get(s);
            if (exams != null) {
                int nrExams = exams.size() + (exams.contains(exam) ? -1 : 0);
                penalty += nrExams;
            }
        }
    }
    /*
        for (ExamInstructor s : exam.getInstructors()) {
            if (period.prev() != null) {
                if (isDayBreakBackToBack() || period.prev().getDay() == period.getDay()) {
                    Set<Exam> exams = s.getExams(assignment, period.prev());
                    int nrExams = exams.size() + (exams.contains(exam) ? -1 : 0);
                    penalty += nrExams;
                }
            }
            if (period.next() != null) {
                if (isDayBreakBackToBack() || period.next().getDay() == period.getDay()) {
                    Set<Exam> exams = s.getExams(assignment, period.next());
                    int nrExams = exams.size() + (exams.contains(exam) ? -1 : 0);
                    penalty += nrExams;
                }
            }
        }
        */
    return penalty;
}

Example 10 with ExamPeriod

use of org.cpsolver.exam.model.ExamPeriod in project cpsolver by UniTime.

the class ExamStudentConflicts method report.

/**
     * generate report
     * @param assignment current assignment
     * @return resultant report
     */
public CSVFile report(Assignment<Exam, ExamPlacement> assignment) {
    CSVFile csv = new CSVFile();
    csv.setHeader(new CSVField[] { new CSVField("Student"), new CSVField("Type"), new CSVField("Section/Course"), new CSVField("Period"), new CSVField("Day"), new CSVField("Time"), new CSVField("Room"), new CSVField("Distance") });
    boolean isDayBreakBackToBack = ((StudentBackToBackConflicts) iModel.getCriterion(StudentBackToBackConflicts.class)).isDayBreakBackToBack();
    double backToBackDistance = ((StudentDistanceBackToBackConflicts) iModel.getCriterion(StudentDistanceBackToBackConflicts.class)).getBackToBackDistance();
    for (ExamStudent student : iModel.getStudents()) {
        for (ExamPeriod period : iModel.getPeriods()) {
            int nrExams = student.getExams(assignment, period).size();
            if (nrExams > 1) {
                String sections = "";
                String rooms = "";
                String periods = String.valueOf(period.getIndex() + 1);
                String periodDays = period.getDayStr();
                String periodTimes = period.getTimeStr();
                for (Exam exam : student.getExams(assignment, period)) {
                    ExamPlacement placement = assignment.getValue(exam);
                    String roomsThisExam = "";
                    for (ExamRoomPlacement room : placement.getRoomPlacements()) {
                        if (roomsThisExam.length() > 0)
                            roomsThisExam += ", ";
                        roomsThisExam += room.getName();
                    }
                    boolean first = true;
                    for (ExamOwner cs : exam.getOwners(student)) {
                        if (sections.length() > 0) {
                            sections += "\n";
                            rooms += "\n";
                            periods += "\n";
                            periodDays += "\n";
                            periodTimes += "\n";
                        }
                        sections += cs.getName();
                        if (first)
                            rooms += roomsThisExam;
                        first = false;
                    }
                    if (exam.getOwners(student).isEmpty()) {
                        sections += exam.getName();
                        rooms += roomsThisExam;
                    }
                }
                csv.addLine(new CSVField[] { new CSVField(student.getName()), new CSVField("direct"), new CSVField(sections), new CSVField(periods), new CSVField(periodDays), new CSVField(periodTimes), new CSVField(rooms) });
            }
            if (nrExams > 0) {
                if (period.next() != null && !student.getExams(assignment, period.next()).isEmpty() && (!isDayBreakBackToBack || period.next().getDay() == period.getDay())) {
                    for (Exam ex1 : student.getExams(assignment, period)) {
                        for (Exam ex2 : student.getExams(assignment, period.next())) {
                            ExamPlacement placement = assignment.getValue(ex1);
                            String sections = "";
                            String rooms = "";
                            String roomsThisExam = "";
                            String periods = String.valueOf(period.getIndex() + 1);
                            String periodDays = period.getDayStr();
                            String periodTimes = period.getTimeStr();
                            for (ExamRoomPlacement room : placement.getRoomPlacements()) {
                                if (roomsThisExam.length() > 0)
                                    roomsThisExam += ", ";
                                roomsThisExam += room.getName();
                            }
                            boolean first = true;
                            for (ExamOwner cs : ex1.getOwners(student)) {
                                if (sections.length() > 0) {
                                    sections += "\n";
                                    rooms += "\n";
                                    periods += "\n";
                                    periodDays += "\n";
                                    periodTimes += "\n";
                                }
                                sections += cs.getName();
                                if (first)
                                    rooms += roomsThisExam;
                                first = false;
                            }
                            if (ex1.getOwners(student).isEmpty()) {
                                sections += ex1.getName();
                                rooms += roomsThisExam;
                            }
                            placement = assignment.getValue(ex2);
                            roomsThisExam = "";
                            for (ExamRoomPlacement room : placement.getRoomPlacements()) {
                                if (roomsThisExam.length() > 0)
                                    roomsThisExam += ", ";
                                roomsThisExam += room.getName();
                            }
                            first = true;
                            for (ExamOwner cs : ex2.getOwners(student)) {
                                sections += "\n";
                                rooms += "\n";
                                periods += "\n";
                                periodDays += "\n";
                                periodTimes += "\n";
                                sections += cs.getName();
                                if (first) {
                                    rooms += roomsThisExam;
                                    periods += String.valueOf(period.next().getIndex() + 1);
                                    periodDays += period.next().getDayStr();
                                    periodTimes += period.next().getTimeStr();
                                }
                                first = false;
                            }
                            if (ex2.getOwners(student).isEmpty()) {
                                sections += "\n";
                                rooms += "\n";
                                periods += "\n";
                                periodDays += "\n";
                                periodTimes += "\n";
                                sections += ex2.getName();
                                rooms += roomsThisExam;
                                periods += String.valueOf(period.next().getIndex() + 1);
                                periodDays += period.next().getDayStr();
                                periodTimes += period.next().getTimeStr();
                                rooms += roomsThisExam;
                            }
                            String distStr = "";
                            if (backToBackDistance >= 0) {
                                double dist = (assignment.getValue(ex1)).getDistanceInMeters(assignment.getValue(ex2));
                                if (dist > 0)
                                    distStr = String.valueOf(dist);
                            }
                            csv.addLine(new CSVField[] { new CSVField(student.getName()), new CSVField("back-to-back"), new CSVField(sections), new CSVField(periods), new CSVField(periodDays), new CSVField(periodTimes), new CSVField(rooms), new CSVField(distStr) });
                        }
                    }
                }
            }
            if (period.next() == null || period.next().getDay() != period.getDay()) {
                int nrExamsADay = student.getExamsADay(assignment, period.getDay()).size();
                if (nrExamsADay > 2) {
                    String sections = "";
                    String periods = "";
                    String periodDays = "";
                    String periodTimes = "";
                    String rooms = "";
                    for (Exam exam : student.getExamsADay(assignment, period.getDay())) {
                        ExamPlacement placement = assignment.getValue(exam);
                        String roomsThisExam = "";
                        for (ExamRoomPlacement room : placement.getRoomPlacements()) {
                            if (roomsThisExam.length() > 0)
                                roomsThisExam += ", ";
                            roomsThisExam += room.getName();
                        }
                        boolean first = true;
                        for (ExamOwner cs : exam.getOwners(student)) {
                            if (sections.length() > 0) {
                                sections += "\n";
                                rooms += "\n";
                                periods += "\n";
                                periodDays += "\n";
                                periodTimes += "\n";
                            }
                            sections += cs.getName();
                            if (first) {
                                periods += (placement.getPeriod().getIndex() + 1);
                                periodDays += placement.getPeriod().getDayStr();
                                periodTimes += placement.getPeriod().getTimeStr();
                                rooms += roomsThisExam;
                            }
                            first = false;
                        }
                        if (exam.getOwners(student).isEmpty()) {
                            if (sections.length() > 0) {
                                sections += "\n";
                                rooms += "\n";
                                periods += "\n";
                                periodDays += "\n";
                                periodTimes += "\n";
                            }
                            sections += exam.getName();
                            periods += (placement.getPeriod().getIndex() + 1);
                            periodDays += placement.getPeriod().getDayStr();
                            periodTimes += placement.getPeriod().getTimeStr();
                            rooms += roomsThisExam;
                        }
                    }
                    csv.addLine(new CSVField[] { new CSVField(student.getName()), new CSVField("more-2-day"), new CSVField(sections), new CSVField(periods), new CSVField(periodDays), new CSVField(periodTimes), new CSVField(rooms) });
                }
            }
        }
    }
    return csv;
}