public void excluir(IEntidadeItemEstoque itemEstoque) {
EntityManagerFactory factory;
EntityManager manager;
factory = Persistence.createEntityManagerFactory("simacrJPA");
manager = factory.createEntityManager();
EntidadeItemEstoque eie = manager.find(EntidadeItemEstoque.class, itemEstoque.getId());
eie.removeTodosLotes();
manager.remove(eie);
manager.getTransaction().begin();
manager.getTransaction().commit();
}
