public Boolean updateEmployee(Employee emp)
 {
     return dao.updateEmployee(emp);
 }
 public Boolean insertNewEmployee(Employee emp)
 {
     return dao.insertNewEmployee(emp);
 }
 public Boolean removeEmployee(Employee emp)
 {
     return dao.removeEmployee(emp);
 }
 public List<Employee> getAllEmployee(Employee emp, String sortColumn, Boolean asc, Boolean exactFilter)
 {
     return dao.getAllEmployee(emp, sortColumn, asc, exactFilter);
 }