hibernate.cache.use_second_level_cache=true    
                hibernate.generate_statistics=true         
                hibernate.cache.region.factory_class=org.hibernate.cache.ehcache.EhCacheRegionFactory

@Entity
@Table(name = "SESSION_ENTERING")
@org.hibernate.annotations.Cache(usage = CacheConcurrencyStrategy.READ_ONLY,region = "meta")
public class SESSION_ENTERING implements Serializable {...

    public List<SESSION_ENTERING> getSESSIONS() {
        return sessionFactory.getCurrentSession().
                createQuery("from SESSION_ENTERING order by id desc")
                .list();
    }

SecondLevelCacheStatistics cacheEntries = sessionFactory.getStatistics()
        .getSecondLevelCacheStatistics("meta");

    @Override    
    public SESSION_ENTERING getSESSION() {
        return (SESSION_ENTERING)sessionFactory.getCurrentSession().get(SESSION_ENTERING.class,256l);
    }