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

Example 11 with ExamModel

use of org.cpsolver.exam.model.ExamModel 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 12 with ExamModel

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

the class InstructorMoreThan2ADayConflicts method getValue.

@Override
public double getValue(Assignment<Exam, ExamPlacement> assignment, ExamPlacement value, Set<ExamPlacement> conflicts) {
    Exam exam = value.variable();
    int penalty = 0;
    Map<ExamInstructor, Set<Exam>> instructors = ((ExamModel) getModel()).getInstructorsOfDay(assignment, value.getPeriod());
    for (ExamInstructor s : exam.getInstructors()) {
        Set<Exam> exams = instructors.get(s);
        if (exams == null || exams.size() < 2)
            continue;
        int nrExams = exams.size() + (exams.contains(exam) ? 0 : 1);
        if (nrExams > 2)
            penalty++;
    }
    /*
        for (ExamInstructor s : exam.getInstructors()) {
            Set<Exam> exams = s.getExamsADay(assignment, value.getPeriod());
            int nrExams = exams.size() + (exams.contains(exam) ? 0 : 1);
            if (nrExams > 2)
                penalty++;
        }
        */
    return penalty;
}

Example 13 with ExamModel

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

the class InstructorDirectConflicts method getValue.

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

Example 14 with ExamModel

use of org.cpsolver.exam.model.ExamModel 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 15 with ExamModel

use of org.cpsolver.exam.model.ExamModel 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;
}