Hi,

I use a form called "InvitationForm" to let the user create an invitation 
for a game, like this:

InvitationForm f = new InvitationForm();
...
f.setInviter(...);

In this case, the call to setInviter selects an entry in a list of users.
Unfortunately, the list of users is fetched by an asynchroneous server 
call, and the call might not have returned when setInviter is called.
Then, the setInviter method cannot do its work, because the list is still 
empty.

Of course, there are many ways to get along with this, e. g. storing the 
user identity in an additional class member variable within setInviter and 
doing the list selection when the server call returns.
I also used to use Scheduler.get().scheduleDeferred to get things done 
somewhat later, but in this case, it would not be guaranteed that the call 
has returned then.

Since this happens often, what would be an elegant way to do this?

Magnus

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