public void destroy(BitacoraId id)
throws NonexistentEntityException, RollbackFailureException, Exception {
EntityManager em = null;
try {
utx.begin();
em = getEntityManager();
Bitacora bitacora;
try {
bitacora = em.getReference(Bitacora.class, id);
bitacora.getId();
} catch (EntityNotFoundException enfe) {
throw new NonexistentEntityException(
"The bitacora with id " + id + " no longer exists.", enfe);
}
em.remove(bitacora);
utx.commit();
} catch (Exception ex) {
try {
utx.rollback();
} catch (Exception re) {
throw new RollbackFailureException(
"An error occurred attempting to roll back the transaction.", re);
}
throw ex;
} finally {
if (em != null) {
em.close();
}
}
}
public void create(Bitacora bitacora)
throws PreexistingEntityException, RollbackFailureException, Exception {
if (bitacora.getId() == null) {
bitacora.setId(new BitacoraId());
}
EntityManager em = null;
try {
utx.begin();
em = getEntityManager();
em.persist(bitacora);
utx.commit();
} catch (Exception ex) {
try {
utx.rollback();
} catch (Exception re) {
throw new RollbackFailureException(
"An error occurred attempting to roll back the transaction.", re);
}
if (findBitacora(bitacora.getId()) != null) {
throw new PreexistingEntityException("Bitacora " + bitacora + " already exists.", ex);
}
throw ex;
} finally {
if (em != null) {
em.close();
}
}
}
public void edit(Bitacora bitacora)
throws NonexistentEntityException, RollbackFailureException, Exception {
EntityManager em = null;
try {
utx.begin();
em = getEntityManager();
bitacora = em.merge(bitacora);
utx.commit();
} catch (Exception ex) {
try {
utx.rollback();
} catch (Exception re) {
throw new RollbackFailureException(
"An error occurred attempting to roll back the transaction.", re);
}
String msg = ex.getLocalizedMessage();
if (msg == null || msg.length() == 0) {
BitacoraId id = bitacora.getId();
if (findBitacora(id) == null) {
throw new NonexistentEntityException("The bitacora with id " + id + " no longer exists.");
}
}
throw ex;
} finally {
if (em != null) {
em.close();
}
}
}