Posted by
Sergei Chedrin on
URL: http://quantlib.414.s1.nabble.com/Building-simulation-network-tp5253.html
I'm a new QuantLib user and need some clarification.
Both question are regarding building simulation network based on Observable/Observer paradigm.
1. In simulation application Observer::update() should be called when all (!) it's Observables have been re-calculated.
Usually there are more than 1 underlying element which should be calculated before derivative calculation.
Should developer implement synchronization in Observer::update() himself or can be used some QuantLib pattern?
2. This questions is regarding implementation of simulation systems with a lot of simulation elements.
Observable::notifyObservers() (looping all Observers) calls their Observer::update()
which calls (being Observable itself) Observable::notifyObservers() ...
Finally, this huge chain of calls comes from function Observer::update() of the first object initiated it.
This can be a cause of "StackOverflow" problem.
Thanks
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