I have what must be a fairly typical usecase.
1. User starts at search / list page.
2. Selects an object from list and modifies it
3. Returns to search / list page.
Now, I can get this to work with something similar to the Booking example.
SFSB
@DataModel
private List sessions;
@Factory("playerSessions")
@Observer("dataChanged")
public String find() {
query();
return null;
}
Another SFSB:
public String create() {
...
events.raiseEvent("dataChanged");
...
}
The problem lies when the backing data is modified outside the application or
by another user and hence the "dataChanged" event is never fired, the @Observer
on the find() method is never triggered and the data is stale upon subsequent
requests.
Now, this problem goes away if I stick the SFSB that outjects the @DataModel
into Event Scope, but then things like sort order and number of rows gets lost
between requests.
So, I thought maybe using PAGE scope for the @DataModel and Session Scope for
the SFSB that outjects the @DataModel, but the factory method on the @DataModel
still doesnt get invoked when the page is loaded the 2nd time. And, obviously,
a paged scoped Action bean cannot be stateful.
So, I'm not quite sure what to do. I know I can , for example, put an object in
session scope that tracks sort order, etc for each list but that feels pretty
ugly.
Is there an excepted pattern for this?
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