@Override
public AlumnoJPA BuscarAlumno(AlumnoJPA objalu) throws Exception {
AlumnoJPA obj = null;
Open();
try {
obj = em.find(AlumnoJPA.class, objalu.getNombre());
} catch (Exception e) {
System.out.println("Error DAO " + e.getMessage());
} finally {
Close();
}
return obj;
}
@Override
public String EliminaAlumno(AlumnoJPA objalu) throws Exception {
String msg = "";
try {
Open();
em.getTransaction().begin();
AlumnoJPA obj = null;
obj = em.find(AlumnoJPA.class, objalu.getNombre());
if (obj != null) em.remove(obj);
em.getTransaction().commit();
msg = "Se Elimino exitosamente";
} catch (Exception e) {
// TODO: handle exception
System.out.println("DAO " + e.getMessage());
msg = "DAO " + e.getMessage();
em.getTransaction().rollback();
} finally {
Close();
}
return msg;
}