this.openSession();
transaction = this.session.beginTransaction();
Criteria crit = this.session.createCriteria(Annonce.class);
crit.add(Restrictions.eq("statut", dao.getById(1)));
crit.addOrder(Order.desc("id"));
Disjunction disDeps = Restrictions.disjunction();
for(Departement dept : depts){
disDeps.add(Restrictions.eq("departement",dept));