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Re: What about real polymorphism ?? [message #42027 is a reply to message #41951]

Mon, 13 December 2004 23:11

marc schellens[1]
Messages: 183
Registered: January 2000

Senior Member

> and no class methods", I mean IDL doesn't have many things of pure OO
> programming so you can't do things like singleton pattern (desing patterns
> by Erich Gamma, Richard Helm, ... for more information about this) i think
> even IDL couldn't do many of the basics patterns of this paradigm but
> anycase it didn't born to
> do that, and works quite well in many other things (Visualization, matrix
> operators, etc.).

A singleton is very possible with IDL:
Just use a global variable (also as your access point) and
check its existance in the constructor.

m

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[Message index]

		Re: What about real polymorphism ?? By: Esteban Garc�a Cues on Fri, 10 December 2004 09:25
		Re: What about real polymorphism ?? By: JD Smith on Fri, 10 December 2004 08:21
		Re: What about real polymorphism ?? By: JD Smith on Fri, 10 December 2004 08:23
		Re: What about real polymorphism ?? By: Mark Hadfield on Sun, 12 December 2004 14:07
		Re: What about real polymorphism ?? By: JD Smith on Fri, 10 December 2004 08:00
		Re: What about real polymorphism ?? By: Antonio Santiago on Thu, 09 December 2004 23:09
		Re: What about real polymorphism ?? By: David Fanning on Thu, 09 December 2004 17:28
		Re: What about real polymorphism ?? By: Michael Wallace on Thu, 09 December 2004 17:08
		Re: What about real polymorphism ?? By: Michael Wallace on Thu, 09 December 2004 16:49
		Re: What about real polymorphism ?? By: David Fanning on Thu, 09 December 2004 15:22
		Re: What about real polymorphism ?? By: Mark Hadfield on Thu, 09 December 2004 15:00
		Re: What about real polymorphism ?? By: Michael Wallace on Thu, 09 December 2004 12:25
		Re: What about real polymorphism ?? By: tam on Thu, 09 December 2004 12:11
		Re: What about real polymorphism ?? By: David Fanning on Thu, 09 December 2004 10:50
		Re: What about real polymorphism ?? By: Antonio Santiago on Thu, 09 December 2004 09:59
		Re: What about real polymorphism ?? By: David Fanning on Thu, 09 December 2004 09:45
		Re: What about real polymorphism ?? By: Antonio Santiago on Thu, 09 December 2004 09:32
		Re: What about real polymorphism ?? By: Karl Schultz on Thu, 09 December 2004 09:12
		Re: What about real polymorphism ?? By: David Fanning on Thu, 09 December 2004 08:57
		Re: What about real polymorphism ?? By: Antonio Santiago on Thu, 09 December 2004 08:34
		Re: What about real polymorphism ?? By: David Fanning on Thu, 09 December 2004 07:00
		Re: What about real polymorphism ?? By: David Fanning on Thu, 09 December 2004 12:52
		Re: What about real polymorphism ?? By: marc schellens[1] on Mon, 13 December 2004 23:11

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