Examples with CourseReservation org.cpsolver.studentsct.reservation.CourseReservation used on opensource projects

Example 1 with CourseReservation

use of org.cpsolver.studentsct.reservation.CourseReservation in project cpsolver by UniTime.

the class StudentSectioningXMLLoader method loadReservation.

/**
     * Load reservation
     * @param reservationEl reservation element
     * @param offering parent offering
     * @param configTable config table (of the offering)
     * @param sectionTable section table (of the offering)
     * @return loaded reservation
     */
protected Reservation loadReservation(Element reservationEl, Offering offering, HashMap<Long, Config> configTable, HashMap<Long, Section> sectionTable) {
    Reservation r = null;
    if ("individual".equals(reservationEl.attributeValue("type"))) {
        Set<Long> studentIds = new HashSet<Long>();
        for (Iterator<?> k = reservationEl.elementIterator("student"); k.hasNext(); ) {
            Element studentEl = (Element) k.next();
            studentIds.add(Long.parseLong(studentEl.attributeValue("id")));
        }
        r = new IndividualReservation(Long.valueOf(reservationEl.attributeValue("id")), offering, studentIds);
    } else if ("group".equals(reservationEl.attributeValue("type"))) {
        Set<Long> studentIds = new HashSet<Long>();
        for (Iterator<?> k = reservationEl.elementIterator("student"); k.hasNext(); ) {
            Element studentEl = (Element) k.next();
            studentIds.add(Long.parseLong(studentEl.attributeValue("id")));
        }
        r = new GroupReservation(Long.valueOf(reservationEl.attributeValue("id")), Double.parseDouble(reservationEl.attributeValue("limit", "-1")), offering, studentIds);
    } else if ("curriculum".equals(reservationEl.attributeValue("type"))) {
        List<String> classifications = new ArrayList<String>();
        for (Iterator<?> k = reservationEl.elementIterator("classification"); k.hasNext(); ) {
            Element clasfEl = (Element) k.next();
            classifications.add(clasfEl.attributeValue("code"));
        }
        List<String> majors = new ArrayList<String>();
        for (Iterator<?> k = reservationEl.elementIterator("major"); k.hasNext(); ) {
            Element majorEl = (Element) k.next();
            majors.add(majorEl.attributeValue("code"));
        }
        r = new CurriculumReservation(Long.valueOf(reservationEl.attributeValue("id")), Double.parseDouble(reservationEl.attributeValue("limit", "-1")), offering, reservationEl.attributeValue("area"), classifications, majors);
    } else if ("course".equals(reservationEl.attributeValue("type"))) {
        long courseId = Long.parseLong(reservationEl.attributeValue("course"));
        for (Course course : offering.getCourses()) {
            if (course.getId() == courseId)
                r = new CourseReservation(Long.valueOf(reservationEl.attributeValue("id")), course);
        }
    } else if ("dummy".equals(reservationEl.attributeValue("type"))) {
        r = new DummyReservation(offering);
    } else if ("override".equals(reservationEl.attributeValue("type"))) {
        Set<Long> studentIds = new HashSet<Long>();
        for (Iterator<?> k = reservationEl.elementIterator("student"); k.hasNext(); ) {
            Element studentEl = (Element) k.next();
            studentIds.add(Long.parseLong(studentEl.attributeValue("id")));
        }
        r = new ReservationOverride(Long.valueOf(reservationEl.attributeValue("id")), offering, studentIds);
    }
    if (r == null) {
        sLogger.error("Unknown reservation type " + reservationEl.attributeValue("type"));
        return null;
    }
    r.setExpired("true".equals(reservationEl.attributeValue("expired", "false")));
    for (Iterator<?> k = reservationEl.elementIterator("config"); k.hasNext(); ) {
        Element configEl = (Element) k.next();
        r.addConfig(configTable.get(Long.parseLong(configEl.attributeValue("id"))));
    }
    for (Iterator<?> k = reservationEl.elementIterator("section"); k.hasNext(); ) {
        Element sectionEl = (Element) k.next();
        r.addSection(sectionTable.get(Long.parseLong(sectionEl.attributeValue("id"))));
    }
    r.setPriority(Integer.parseInt(reservationEl.attributeValue("priority", String.valueOf(r.getPriority()))));
    r.setMustBeUsed("true".equals(reservationEl.attributeValue("mustBeUsed", r.mustBeUsed() ? "true" : "false")));
    r.setAllowOverlap("true".equals(reservationEl.attributeValue("allowOverlap", r.isAllowOverlap() ? "true" : "false")));
    r.setCanAssignOverLimit("true".equals(reservationEl.attributeValue("canAssignOverLimit", r.canAssignOverLimit() ? "true" : "false")));
    return r;
}

Example 2 with CourseReservation

use of org.cpsolver.studentsct.reservation.CourseReservation in project cpsolver by UniTime.

the class StudentSectioningXMLSaver method saveReservation.

/**
     * Save reservation
     * @param reservationEl reservation element to be populated
     * @param reservation reservation to be saved
     */
protected void saveReservation(Element reservationEl, Reservation reservation) {
    reservationEl.addAttribute("id", getId("reservation", reservation.getId()));
    reservationEl.addAttribute("expired", reservation.isExpired() ? "true" : "false");
    if (reservation instanceof GroupReservation) {
        GroupReservation gr = (GroupReservation) reservation;
        reservationEl.addAttribute("type", "group");
        for (Long studentId : gr.getStudentIds()) reservationEl.addElement("student").addAttribute("id", getId("student", studentId));
        if (gr.getReservationLimit() >= 0.0)
            reservationEl.addAttribute("limit", String.valueOf(gr.getReservationLimit()));
    } else if (reservation instanceof ReservationOverride) {
        reservationEl.addAttribute("type", "override");
        ReservationOverride o = (ReservationOverride) reservation;
        for (Long studentId : o.getStudentIds()) reservationEl.addElement("student").addAttribute("id", getId("student", studentId));
    } else if (reservation instanceof IndividualReservation) {
        reservationEl.addAttribute("type", "individual");
        for (Long studentId : ((IndividualReservation) reservation).getStudentIds()) reservationEl.addElement("student").addAttribute("id", getId("student", studentId));
    } else if (reservation instanceof CurriculumReservation) {
        reservationEl.addAttribute("type", "curriculum");
        CurriculumReservation cr = (CurriculumReservation) reservation;
        if (cr.getReservationLimit() >= 0.0)
            reservationEl.addAttribute("limit", String.valueOf(cr.getReservationLimit()));
        reservationEl.addAttribute("area", cr.getAcademicArea());
        for (String clasf : cr.getClassifications()) reservationEl.addElement("classification").addAttribute("code", clasf);
        for (String major : cr.getMajors()) reservationEl.addElement("major").addAttribute("code", major);
    } else if (reservation instanceof CourseReservation) {
        reservationEl.addAttribute("type", "course");
        CourseReservation cr = (CourseReservation) reservation;
        reservationEl.addAttribute("course", getId("course", cr.getCourse().getId()));
    } else if (reservation instanceof DummyReservation) {
        reservationEl.addAttribute("type", "dummy");
    }
    reservationEl.addAttribute("priority", String.valueOf(reservation.getPriority()));
    reservationEl.addAttribute("mustBeUsed", reservation.mustBeUsed() ? "true" : "false");
    reservationEl.addAttribute("allowOverlap", reservation.isAllowOverlap() ? "true" : "false");
    reservationEl.addAttribute("canAssignOverLimit", reservation.canAssignOverLimit() ? "true" : "false");
    for (Config config : reservation.getConfigs()) reservationEl.addElement("config").addAttribute("id", getId("config", config.getId()));
    for (Map.Entry<Subpart, Set<Section>> entry : reservation.getSections().entrySet()) {
        for (Section section : entry.getValue()) {
            reservationEl.addElement("section").addAttribute("id", getId("section", section.getId()));
        }
    }
}

Example 3 with CourseReservation

use of org.cpsolver.studentsct.reservation.CourseReservation in project cpsolver by UniTime.

the class Test method clone.

protected Course clone(Course course, long studentId, Student originalStudent, Map<Long, Section> classTable, StudentSectioningModel model) {
    Offering clonedOffering = new Offering(course.getOffering().getId(), course.getOffering().getName());
    clonedOffering.setModel(model);
    int courseLimit = course.getLimit();
    if (courseLimit >= 0) {
        courseLimit -= course.getEnrollments(assignment()).size();
        if (courseLimit < 0)
            courseLimit = 0;
        for (Iterator<Enrollment> i = course.getEnrollments(assignment()).iterator(); i.hasNext(); ) {
            Enrollment enrollment = i.next();
            if (enrollment.getStudent().getId() == studentId) {
                courseLimit++;
                break;
            }
        }
    }
    Course clonedCourse = new Course(course.getId(), course.getSubjectArea(), course.getCourseNumber(), clonedOffering, courseLimit, course.getProjected());
    clonedCourse.setNote(course.getNote());
    Hashtable<Config, Config> configs = new Hashtable<Config, Config>();
    Hashtable<Subpart, Subpart> subparts = new Hashtable<Subpart, Subpart>();
    Hashtable<Section, Section> sections = new Hashtable<Section, Section>();
    for (Iterator<Config> e = course.getOffering().getConfigs().iterator(); e.hasNext(); ) {
        Config config = e.next();
        int configLimit = config.getLimit();
        int configEnrollment = config.getEnrollments(assignment()).size();
        if (configLimit >= 0) {
            configLimit -= config.getEnrollments(assignment()).size();
            if (configLimit < 0)
                configLimit = 0;
            for (Iterator<Enrollment> i = config.getEnrollments(assignment()).iterator(); i.hasNext(); ) {
                Enrollment enrollment = i.next();
                if (enrollment.getStudent().getId() == studentId) {
                    configLimit++;
                    configEnrollment--;
                    break;
                }
            }
        }
        OnlineConfig clonedConfig = new OnlineConfig(config.getId(), configLimit, config.getName(), clonedOffering);
        clonedConfig.setInstructionalMethodId(config.getInstructionalMethodId());
        clonedConfig.setInstructionalMethodName(config.getInstructionalMethodName());
        clonedConfig.setEnrollment(configEnrollment);
        configs.put(config, clonedConfig);
        for (Iterator<Subpart> f = config.getSubparts().iterator(); f.hasNext(); ) {
            Subpart subpart = f.next();
            Subpart clonedSubpart = new Subpart(subpart.getId(), subpart.getInstructionalType(), subpart.getName(), clonedConfig, (subpart.getParent() == null ? null : subparts.get(subpart.getParent())));
            clonedSubpart.setAllowOverlap(subpart.isAllowOverlap());
            clonedSubpart.setCredit(subpart.getCredit());
            subparts.put(subpart, clonedSubpart);
            for (Iterator<Section> g = subpart.getSections().iterator(); g.hasNext(); ) {
                Section section = g.next();
                int limit = section.getLimit();
                int enrl = section.getEnrollments(assignment()).size();
                if (limit >= 0) {
                    // limited section, deduct enrollments
                    limit -= section.getEnrollments(assignment()).size();
                    if (limit < 0)
                        // over-enrolled, but not unlimited
                        limit = 0;
                    if (studentId >= 0)
                        for (Enrollment enrollment : section.getEnrollments(assignment())) if (enrollment.getStudent().getId() == studentId) {
                            limit++;
                            enrl--;
                            break;
                        }
                }
                OnlineSection clonedSection = new OnlineSection(section.getId(), limit, section.getName(course.getId()), clonedSubpart, section.getPlacement(), section.getInstructors(), (section.getParent() == null ? null : sections.get(section.getParent())));
                clonedSection.setName(-1l, section.getName(-1l));
                clonedSection.setNote(section.getNote());
                clonedSection.setSpaceExpected(section.getSpaceExpected());
                clonedSection.setSpaceHeld(section.getSpaceHeld());
                clonedSection.setEnrollment(enrl);
                clonedSection.setCancelled(section.isCancelled());
                if (section.getIgnoreConflictWithSectionIds() != null)
                    for (Long id : section.getIgnoreConflictWithSectionIds()) clonedSection.addIgnoreConflictWith(id);
                if (limit > 0) {
                    double available = Math.round(section.getSpaceExpected() - limit);
                    clonedSection.setPenalty(available / section.getLimit());
                }
                sections.put(section, clonedSection);
                classTable.put(section.getId(), clonedSection);
            }
        }
    }
    if (course.getOffering().hasReservations()) {
        for (Reservation reservation : course.getOffering().getReservations()) {
            int reservationLimit = (int) Math.round(reservation.getLimit());
            if (reservationLimit >= 0) {
                reservationLimit -= reservation.getEnrollments(assignment()).size();
                if (reservationLimit < 0)
                    reservationLimit = 0;
                for (Iterator<Enrollment> i = reservation.getEnrollments(assignment()).iterator(); i.hasNext(); ) {
                    Enrollment enrollment = i.next();
                    if (enrollment.getStudent().getId() == studentId) {
                        reservationLimit++;
                        break;
                    }
                }
                if (reservationLimit <= 0 && !reservation.mustBeUsed())
                    continue;
            }
            boolean applicable = originalStudent != null && reservation.isApplicable(originalStudent);
            if (reservation instanceof CourseReservation)
                applicable = (course.getId() == ((CourseReservation) reservation).getCourse().getId());
            if (reservation instanceof org.cpsolver.studentsct.reservation.DummyReservation) {
                // the student is already enrolled in the course
                for (Enrollment enrollment : course.getEnrollments(assignment())) if (enrollment.getStudent().getId() == studentId) {
                    applicable = true;
                    break;
                }
            }
            Reservation clonedReservation = new OnlineReservation(0, reservation.getId(), clonedOffering, reservation.getPriority(), reservation.canAssignOverLimit(), reservationLimit, applicable, reservation.mustBeUsed(), reservation.isAllowOverlap(), reservation.isExpired());
            for (Config config : reservation.getConfigs()) clonedReservation.addConfig(configs.get(config));
            for (Map.Entry<Subpart, Set<Section>> entry : reservation.getSections().entrySet()) {
                Set<Section> clonedSections = new HashSet<Section>();
                for (Section section : entry.getValue()) clonedSections.add(sections.get(section));
                clonedReservation.getSections().put(subparts.get(entry.getKey()), clonedSections);
            }
        }
    }
    return clonedCourse;
}