public void testManyToOneGenerics() throws Exception {
   Paper white = new Paper();
   white.setName("WhiteA4");
   PaperType type = new PaperType();
   type.setName("A4");
   SomeGuy me = new SomeGuy();
   white.setType(type);
   white.setOwner(me);
   Price price = new Price();
   price.setAmount(new Double(1));
   price.setCurrency("Euro");
   white.setValue(price);
   Session s = openSession();
   Transaction tx = s.beginTransaction();
   s.persist(type);
   s.persist(price);
   s.persist(me);
   s.persist(white);
   tx.commit();
   // s.close();
   s = openSession();
   tx = s.beginTransaction();
   white = (Paper) s.get(Paper.class, white.getId());
   s.delete(white.getType());
   s.delete(white.getOwner());
   s.delete(white.getValue());
   s.delete(white);
   tx.commit();
   // s.close();
 }