public void create(Livreurs livreurs) {
if (livreurs.getClientsList() == null) {
livreurs.setClientsList(new ArrayList<Clients>());
}
EntityManager em = null;
try {
em = getEntityManager();
em.getTransaction().begin();
Statuts statut = livreurs.getStatut();
if (statut != null) {
statut = em.getReference(statut.getClass(), statut.getIdStatut());
livreurs.setStatut(statut);
}
List<Clients> attachedClientsList = new ArrayList<Clients>();
for (Clients clientsListClientsToAttach : livreurs.getClientsList()) {
clientsListClientsToAttach =
em.getReference(
clientsListClientsToAttach.getClass(), clientsListClientsToAttach.getIdClient());
attachedClientsList.add(clientsListClientsToAttach);
}
livreurs.setClientsList(attachedClientsList);
em.persist(livreurs);
if (statut != null) {
statut.getLivreursList().add(livreurs);
statut = em.merge(statut);
}
for (Clients clientsListClients : livreurs.getClientsList()) {
Livreurs oldIdLivreurOfClientsListClients = clientsListClients.getIdLivreur();
clientsListClients.setIdLivreur(livreurs);
clientsListClients = em.merge(clientsListClients);
if (oldIdLivreurOfClientsListClients != null) {
oldIdLivreurOfClientsListClients.getClientsList().remove(clientsListClients);
oldIdLivreurOfClientsListClients = em.merge(oldIdLivreurOfClientsListClients);
}
}
em.getTransaction().commit();
} finally {
if (em != null) {
em.close();
}
}
}
public void edit(Livreurs livreurs) throws NonexistentEntityException, Exception {
EntityManager em = null;
try {
em = getEntityManager();
em.getTransaction().begin();
Livreurs persistentLivreurs = em.find(Livreurs.class, livreurs.getIdLivreur());
Statuts statutOld = persistentLivreurs.getStatut();
Statuts statutNew = livreurs.getStatut();
List<Clients> clientsListOld = persistentLivreurs.getClientsList();
List<Clients> clientsListNew = livreurs.getClientsList();
if (statutNew != null) {
statutNew = em.getReference(statutNew.getClass(), statutNew.getIdStatut());
livreurs.setStatut(statutNew);
}
List<Clients> attachedClientsListNew = new ArrayList<Clients>();
for (Clients clientsListNewClientsToAttach : clientsListNew) {
clientsListNewClientsToAttach =
em.getReference(
clientsListNewClientsToAttach.getClass(),
clientsListNewClientsToAttach.getIdClient());
attachedClientsListNew.add(clientsListNewClientsToAttach);
}
clientsListNew = attachedClientsListNew;
livreurs.setClientsList(clientsListNew);
livreurs = em.merge(livreurs);
if (statutOld != null && !statutOld.equals(statutNew)) {
statutOld.getLivreursList().remove(livreurs);
statutOld = em.merge(statutOld);
}
if (statutNew != null && !statutNew.equals(statutOld)) {
statutNew.getLivreursList().add(livreurs);
statutNew = em.merge(statutNew);
}
for (Clients clientsListOldClients : clientsListOld) {
if (!clientsListNew.contains(clientsListOldClients)) {
clientsListOldClients.setIdLivreur(null);
clientsListOldClients = em.merge(clientsListOldClients);
}
}
for (Clients clientsListNewClients : clientsListNew) {
if (!clientsListOld.contains(clientsListNewClients)) {
Livreurs oldIdLivreurOfClientsListNewClients = clientsListNewClients.getIdLivreur();
clientsListNewClients.setIdLivreur(livreurs);
clientsListNewClients = em.merge(clientsListNewClients);
if (oldIdLivreurOfClientsListNewClients != null
&& !oldIdLivreurOfClientsListNewClients.equals(livreurs)) {
oldIdLivreurOfClientsListNewClients.getClientsList().remove(clientsListNewClients);
oldIdLivreurOfClientsListNewClients = em.merge(oldIdLivreurOfClientsListNewClients);
}
}
}
em.getTransaction().commit();
} catch (Exception ex) {
String msg = ex.getLocalizedMessage();
if (msg == null || msg.length() == 0) {
Integer id = livreurs.getIdLivreur();
if (findLivreurs(id) == null) {
throw new NonexistentEntityException("The livreurs with id " + id + " no longer exists.");
}
}
throw ex;
} finally {
if (em != null) {
em.close();
}
}
}