Session hs = HibernateHelper.getSession();
Session     hs  = HibernateHelper.getSession(); Transaction tx  = hs.beginTransaction();
  private static void _initializeChildGroupsAndStems(Stem ns)     throws  HibernateException  {    Session hs = HibernateHelper.getSession();    hs.load(ns, ns.getId());    Hibernate.initialize( ns.getChild_stems() );    Hibernate.initialize( ns.getChild_groups() );    hs.close();  } // private static void _initializeChildGroupsAndStems(ns) 