Re: COM on mac
Re: COM on mac
- Subject: Re: COM on mac
- From: Brent Gulanowski <email@hidden>
- Date: Wed, 15 Jan 2003 11:58:15 -0500
On Tuesday, January 14, 2003, at 08:43 PM, Andy Satori wrote:
>
Mind if I make a suggestion, someone needs to put together some of
>
these
>
topics in a nice coherent article and post it as prominently as
>
possible on
>
a website. The information that we've covered both on and off this
>
list in
>
the past 24 hours on this topic has been more enlightening than the
>
past 6
>
months of reading stepwise, tidbits, and the orielly macdevcenter
>
sites.
>
Distributed Objects aren't clearly documented. If someone had simply
>
said
>
DO is roughly equivalent to DCOM or COM+ to me months ago, I'd have
>
been 6
>
months ahead of the game. Fortunately, this is a spare time thing for
>
me.
>
I make my living from Windows software.
>
>
Even Apple's own documentation of porting windows software to OS X
>
focuses
>
on the event model. All of this is great if you are talking about an
>
app
>
that runs on one machine, store it's data locally, or uses published
>
internet protocols.
>
Andy,
Have you yet read Apple's Inside Mac OS X: Object-Oriented Programming
and the Objective-C Language? I quote (page 111):
>
Distributed Objects
>
>
Remote messaging in Objective-C requires a run-time system that can
>
establish connections between objects in different address spaces,
>
recognize when a message is intended for an object in a remote address
>
space, and transfer data from one address space to another. It must
>
also mediate between the separate schedules of the two tasks; it has
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to hold messages until their remote receivers are free to respond to
>
them.
>
>
Cocoa includes a distributed objects architecture that is essentially
>
this kind of extension to the run-time system. Using distributed
>
objects, you can send Objective-C messages to objects in other tasks
>
or have messages executed in other threads in the same task.
From Chapter 4, Objective-C Extensions.
Does anybody read this book anymore?
Brent Gulanowski
--
Mac game development news and discussion
http://www.idevgames.com
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