@RolesAllowed({"BANKADMIN", "BANKUSER"})
 public int createTransaction(Transaction tran, int id)
     throws InvalidTranException, NotAuthorizedException, NotFoundException {
   String user = sctx.getCallerPrincipal().getName();
   Account account = accountDao.getAccount(id);
   tran.setAccount(account);
   if (user.equals(tran.getAccount().getUserId()) || sctx.isCallerInRole("BANKADMIN"))
     em.persist(tran);
   return tran.getId();
 }