Re: How does one model behavior?

"Dmitry A. Kazakov" <mailbox_at_dmitry-kazakov.de> wrote in message news:zkim348wbex9.1o1jsucpvgtg8$.dlg_at_40tude.net...
> On Wed, 09 Apr 2008 05:04:10 GMT, David Cressey wrote:
>
> > How does one model behavior?
>
> Behavior of what? Of the program, of a physical system?
>
> > It would seem to me that, since conveying behavior from one object to
> > another rests on messages, and since messages are made of data, that
one
> > needs a data model for the messaging system before one begins to come up
> > with a bhavior model for a system of collaborating objects.
>
> > Or is there another completely different way of setting things up?
>
> Yes, messages are just certain kinds of operations built upon something
> else. Thus in my view OO is not about messaging and messaging is not all
> behavior.

Alan Kay has suggested that he placed too much emphasis on objects, and not enough on messages.

http://en.wikipedia.org/wiki/Message_passing

>
> To your point about messages parameters.

I didn't mention parameters. I don't know what you mean. Received on Wed Apr 09 2008 - 14:59:38 CEST