public void deleteEmployee(Employee employee) {
   employeeDao.deleteEmployee(employee);
 }
 public List<Employee> listEmployeess() {
   return employeeDao.listEmployeess();
 }
 public Employee getEmployee(int empid) {
   return employeeDao.getEmployee(empid);
 }
 @Transactional(propagation = Propagation.REQUIRED, readOnly = false)
 public void addEmployee(Employee employee) {
   employeeDao.addEmployee(employee);
 }