assertEquals(0, a1.getPostLoaded());
assertNull(listener.getPublicCalledbackEntity());
// now change and rollback the artist - postLoad must be called
a1.setArtistName("YY");
context.rollbackChanges();
assertEquals(1, a1.getPostLoaded());
assertSame(a1, listener.getPublicCalledbackEntity());
// test invalidated
a1.resetCallbackFlags();