@Secured("ROLE_ADMIN")
public List<NewEntry<City, List<NewEntry<Speciality, List<Group>>>>> getCities() {
if (cities == null) {
year = semesterGetter.getCurrentYear();
List<Object[]> l = groupDao.getAllGroupsAndCities(year);
City c = null;
Speciality s = null;
NewEntry<City, List<NewEntry<Speciality, List<Group>>>> cityEntry = null;
NewEntry<Speciality, List<Group>> specialityEntry = null;
List<NewEntry<Speciality, List<Group>>> specList = null;
List<Group> groupList = null;
cities = new ArrayList<NewEntry<City, List<NewEntry<Speciality, List<Group>>>>>();
for (Object[] e : l) {
Group g = (Group) e[0];
City city = (City) e[1];
if (city != c) {
specList = new ArrayList<NewEntry<Speciality, List<Group>>>();
cityEntry = new NewEntry(city, specList);
cities.add(cityEntry);
}
if (g.getSpeciality() != s) {
groupList = new ArrayList<Group>();
specialityEntry = new NewEntry<Speciality, List<Group>>(g.getSpeciality(), groupList);
specList.add(specialityEntry);
}
groupList.add(g);
c = city;
s = g.getSpeciality();
}
}
return cities;
}
@Override
public void setSemester(int semester) {
group = groupDao.getTeachersAndCurriculumsByOldGroup(semester / 2 + semester % 2, student);
if (group == null) group = student.getGroup();
super.setSemester(semester);
}