//TODO : gestion des thread local pour hibernate, pour le moemnt tout est monothread...
SessionFactory sessionFactory = null;
try {
Configuration cfg = new Configuration().configure("hibernate.cfg.xml");
StandardServiceRegistryBuilder sb = new StandardServiceRegistryBuilder();
sb.applySettings(cfg.getProperties());
StandardServiceRegistry standardServiceRegistry = sb.build();
sessionFactory = cfg.buildSessionFactory(standardServiceRegistry);
} catch (Throwable ex) {
System.err.println("Failed to create sessionFactory object." + ex);
throw new ExceptionInInitializerError(ex);