What happens if you remove the unecessary save() call after changing the
name?


On Mon, 2008-06-23 at 09:08 +0200, Hardy Ferentschik wrote:
> Hi there,
>
> I am trying to figure out what should happen if I modify an entity marked
> as @Immutable. Somehow I expected an exception to be raised, but nothing
> seem to happen. I wrote this test case (the Country entity is marked as
> @Immutable):
>
>  public void testImmutableEntity() throws Exception {
>    Session s = openSession();
>    Transaction tx = s.beginTransaction();
>    Country country = new Country();
>    country.setName("Germany");
>    s.persist(country);
>    tx.commit();
>    s.close();
>
>    try {
>      s = openSession();
>      tx = s.beginTransaction();
>      Country germany = (Country) s.get(Country.class, country.getId());
>      assertNotNull(germany);
>      germany.setName("France");
>      s.save(germany);
>      // s.delete(germany);
>      tx.commit();
>      s.close();
>      fail();
>    } catch (Exception e) {
>      log.debug("success");
>    }
>  }
>
> The exception is never raised. The core documentation only says "Immutable
> classes may not be updated or deleted by the application". It does not say
> anything about what happens if one tries to do so. Should the above
> testcase work or not?
>
> Thanks,
> Hardy
>
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