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On Friday 04 March 2011 12:30:13 James Morris wrote:

quoted text
> Just a quick question, where does validation of parameters belong?

> Invalid params might crash the engine, so some validation should go there.

>=20

> But if the job of validation is down to the UI, the engine can be more

> efficient.

The engine doesn't have to do the validation in the realtime-processing=20

thread. Just check for the limits where the values enter the engine. This c=

an=20

easily done when using functions to set the values and thus hiding the=20

internal queues (to get the new values to the realtime-engine without block=

ing=20

either side).
> But if multiple UIs are possible, validation effort is duplicated.
Well, checking the limits once to many doesn't crash the engine. Not checki=

ng=20

the limits might...
Have fun,
Arnold
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