public List<Event> list() {
session = HibernateUtil.getSessionFactory().openSession();
transaction = session.beginTransaction();
events = (List<Event>) session.createQuery("from Event").list();
participationService.setParticipants(events);
return events;
}
public Map<Integer, List<Team>> getParticipants() {
return participationService.getParticipants();
}