Exemplo n.º 1
0
 @TransactionAttribute(TransactionAttributeType.REQUIRES_NEW)
 private EntityAuthor getAuthorByNameAndSurname(EntityAuthor entityAuthor) {
   Query query = em.createNamedQuery(EntityAuthor.FIND_BY_NAME_AND_SURNAME);
   query.setParameter("name", entityAuthor.getName());
   query.setParameter("surname", entityAuthor.getSurname());
   EntityAuthor author = null;
   try {
     author = (EntityAuthor) query.getSingleResult();
   } catch (NoResultException exception) {
   }
   return author;
 }
Exemplo n.º 2
0
  @Override
  public void addBook(EntityBook book, EntityRelease release, EntityAuthor author) {
    // Autor se umisti do databaze.
    if (author.getId() != null) {
      author = em.merge(author);
      em.refresh(author);
    } else {
      em.persist(author);
    }

    // Propoji se autor s knihou.
    book.getAuthorCollection().add(author);
    author.getBookCollection().add(book);
    em.persist(book);
    em.persist(author);

    // Vytvori se nove vydani knihy.
    release.setBook(book);
    book.getReleasesCollection().add(release);
    em.persist(book);
    em.persist(release);

    // Ziska se uzivatel.
    Principal principal = sessionContext.getCallerPrincipal();
    EntityUser user = beanSessionUser.getUserByEmail(principal.getName());

    // Vytvori se novy vytisk knihy.
    EntityPrint print = new EntityPrint();
    print.setRelease(release);
    release.getPrintsCollection().add(print);
    print.setOwnershipType(EntityPrint.EnumOwnershipType.PHYSICAL);
    print.setReadStatus(EntityPrint.EnumReadStatus.UNREAD);
    print.setUser(user);
    user.getPrintsCollection().add(print);

    em.persist(print);
    em.persist(release);
    em.persist(user);

    em.flush();
  }