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Apr 1st, 2015
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Java 0.61 KB | None | 0 0
  1. public void prepisiZaduzenja(EntityManager em, int id1, int id2) {
  2.        
  3.         Clan c1 = em.find(Clan.class, id1);
  4.         Clan c2 = em.find(Clan.class, id2);
  5.        
  6.         List<Zaduzenje> lz1 = c1.getZaduzenjes();
  7.         System.out.println(c1.getZaduzenjes().size());
  8.         System.out.println();
  9.        
  10.         List<Zaduzenje> lz2 = c2.getZaduzenjes();
  11.         System.out.println(c2.getZaduzenjes().size());
  12.         System.out.println();
  13.        
  14.         lz1.addAll(lz2);
  15.         System.out.println(lz1.size());
  16.        
  17.        
  18.         em.getTransaction().begin();
  19.             c1.setZaduzenjes(null);
  20.             c2.setZaduzenjes(lz1);
  21.             em.merge(c1);
  22.             em.merge(c2);
  23.         em.getTransaction().commit();
  24.     }
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