Hi,
I've just been re-reading the Seam tutorial and I just wanted to check if my
understanding is correct regarding the Booking example code...
In the HotelBookingAction class the selectHotel method reads as follows:
@Begin
| public String selectHotel(Hotel selectedHotel) {
| hotel = em.merge(selectedHotel);
| return "hotel";
| }
Am I correct that the reason the line hotel = em.merge(selectedHotel) is
necessary is because the selectedHotel object was obtained by a different
entity manager?
And, if so, does this mean that you always need to use em.merge when an object
that was loaded in one class is passed as a parameter to a method in another
class?
Thanks,
Lawrie
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