public void edit(CategHabitacion categHabitacion) throws NonexistentEntityException, Exception {
EntityManager em = null;
try {
em = getEntityManager();
em.getTransaction().begin();
CategHabitacion persistentCategHabitacion =
em.find(CategHabitacion.class, categHabitacion.getCodigoCategoria());
Collection<Habitacion> habitacionCollectionOld =
persistentCategHabitacion.getHabitacionCollection();
Collection<Habitacion> habitacionCollectionNew = categHabitacion.getHabitacionCollection();
Collection<Habitacion> attachedHabitacionCollectionNew = new ArrayList<Habitacion>();
for (Habitacion habitacionCollectionNewHabitacionToAttach : habitacionCollectionNew) {
habitacionCollectionNewHabitacionToAttach =
em.getReference(
habitacionCollectionNewHabitacionToAttach.getClass(),
habitacionCollectionNewHabitacionToAttach.getNumero());
attachedHabitacionCollectionNew.add(habitacionCollectionNewHabitacionToAttach);
}
habitacionCollectionNew = attachedHabitacionCollectionNew;
categHabitacion.setHabitacionCollection(habitacionCollectionNew);
categHabitacion = em.merge(categHabitacion);
for (Habitacion habitacionCollectionOldHabitacion : habitacionCollectionOld) {
if (!habitacionCollectionNew.contains(habitacionCollectionOldHabitacion)) {
habitacionCollectionOldHabitacion.setCodigoCategoria(null);
habitacionCollectionOldHabitacion = em.merge(habitacionCollectionOldHabitacion);
}
}
for (Habitacion habitacionCollectionNewHabitacion : habitacionCollectionNew) {
if (!habitacionCollectionOld.contains(habitacionCollectionNewHabitacion)) {
CategHabitacion oldCodigoCategoriaOfHabitacionCollectionNewHabitacion =
habitacionCollectionNewHabitacion.getCodigoCategoria();
habitacionCollectionNewHabitacion.setCodigoCategoria(categHabitacion);
habitacionCollectionNewHabitacion = em.merge(habitacionCollectionNewHabitacion);
if (oldCodigoCategoriaOfHabitacionCollectionNewHabitacion != null
&& !oldCodigoCategoriaOfHabitacionCollectionNewHabitacion.equals(categHabitacion)) {
oldCodigoCategoriaOfHabitacionCollectionNewHabitacion
.getHabitacionCollection()
.remove(habitacionCollectionNewHabitacion);
oldCodigoCategoriaOfHabitacionCollectionNewHabitacion =
em.merge(oldCodigoCategoriaOfHabitacionCollectionNewHabitacion);
}
}
}
em.getTransaction().commit();
} catch (Exception ex) {
String msg = ex.getLocalizedMessage();
if (msg == null || msg.length() == 0) {
Integer id = categHabitacion.getCodigoCategoria();
if (findCategHabitacion(id) == null) {
throw new NonexistentEntityException(
"The categHabitacion with id " + id + " no longer exists.");
}
}
throw ex;
} finally {
if (em != null) {
em.close();
}
}
}
public void destroy(Integer id) throws NonexistentEntityException {
EntityManager em = null;
try {
em = getEntityManager();
em.getTransaction().begin();
CategHabitacion categHabitacion;
try {
categHabitacion = em.getReference(CategHabitacion.class, id);
categHabitacion.getCodigoCategoria();
} catch (EntityNotFoundException enfe) {
throw new NonexistentEntityException(
"The categHabitacion with id " + id + " no longer exists.", enfe);
}
Collection<Habitacion> habitacionCollection = categHabitacion.getHabitacionCollection();
for (Habitacion habitacionCollectionHabitacion : habitacionCollection) {
habitacionCollectionHabitacion.setCodigoCategoria(null);
habitacionCollectionHabitacion = em.merge(habitacionCollectionHabitacion);
}
em.remove(categHabitacion);
em.getTransaction().commit();
} finally {
if (em != null) {
em.close();
}
}
}
public void create(CategHabitacion categHabitacion) {
if (categHabitacion.getHabitacionCollection() == null) {
categHabitacion.setHabitacionCollection(new ArrayList<Habitacion>());
}
EntityManager em = null;
try {
em = getEntityManager();
em.getTransaction().begin();
Collection<Habitacion> attachedHabitacionCollection = new ArrayList<Habitacion>();
for (Habitacion habitacionCollectionHabitacionToAttach :
categHabitacion.getHabitacionCollection()) {
habitacionCollectionHabitacionToAttach =
em.getReference(
habitacionCollectionHabitacionToAttach.getClass(),
habitacionCollectionHabitacionToAttach.getNumero());
attachedHabitacionCollection.add(habitacionCollectionHabitacionToAttach);
}
categHabitacion.setHabitacionCollection(attachedHabitacionCollection);
em.persist(categHabitacion);
for (Habitacion habitacionCollectionHabitacion : categHabitacion.getHabitacionCollection()) {
CategHabitacion oldCodigoCategoriaOfHabitacionCollectionHabitacion =
habitacionCollectionHabitacion.getCodigoCategoria();
habitacionCollectionHabitacion.setCodigoCategoria(categHabitacion);
habitacionCollectionHabitacion = em.merge(habitacionCollectionHabitacion);
if (oldCodigoCategoriaOfHabitacionCollectionHabitacion != null) {
oldCodigoCategoriaOfHabitacionCollectionHabitacion
.getHabitacionCollection()
.remove(habitacionCollectionHabitacion);
oldCodigoCategoriaOfHabitacionCollectionHabitacion =
em.merge(oldCodigoCategoriaOfHabitacionCollectionHabitacion);
}
}
em.getTransaction().commit();
} finally {
if (em != null) {
em.close();
}
}
}