http://quantlib.414.s1.nabble.com/Building-simulation-network-tp5253p5255.html
I'll continue my work of automatic building simulation XML-framework using QuantLib.
> From: Luigi Ballabio <
[hidden email]>
> Subject: Re: [Quantlib-users] Building simulation network
> To: "Sergei Chedrin" <
[hidden email]>
> Cc:
[hidden email]
> Received: Saturday, June 11, 2011, 5:44 AM
>
> Hi Sergei,
> I've seen that you asked the same
> question on the WIlmott forums at <
http://www.wilmott.com/messageview.cfm?catid=10&threadid=84796>
> >, so I'm answering there (which allows me to answer to
> Cuchulainn as
> well...)
>
> Luigi
>
>
> On Jun 11, 2011, at 1:14 AM, Sergei Chedrin wrote:
>
> > 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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