>> that there can only ever be a single instance available at any given time.

that's indeed how we're using it. it's a "mutha" of an object heavily "decorated" and 
stored in server or app scope.

I think there may be a +'ve side effect doing it this way* - all requests (inc any 
transactions) would be finished before the changes came into effect - no wieredness as 
values change half-way thru a complex group of method calls.

It's just I'm writing reams of init() code to pass values from the controller thru the 
service to the persist. It seems such a waste to have all that code just to pass 
values to the deepist layer - it's not needed for the intermediate layers. it feels 
like I'm coding kludgy VB again!

and that's why I'm thinking if there's another way..
thanx
barry.b

*controller destroying the services and re-creating with new values
-- 
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