Re: class keeps track of object
Re: class keeps track of object
- Subject: Re: class keeps track of object
- From: "Shripada Hebbar" <email@hidden>
- Date: Wed, 02 Jul 2008 10:32:37 +0530
Daniel
You are trying to create a singleton object in cocoa and there is a good documentation on this at:
http://developer.apple.com/documentation/Cocoa/Conceptual/CocoaFundamentals/CocoaObjects/chapter_3_section_10.html
-Shripada
>
> Thanks! Exactly what I was looking for.
>
> Daniel
>
>
> Jonathan Hess wrote:
> > Han Daniel -
> >
> > You can use a global variable just like you would in C:
> >
> > static Foo *bar = nil;
> >
> > @implementation Foo
> > + (id)bar {
> > if (!bar) {
> > bar = [[Foo alloc] init];
> > }
> > return bar;
> > }
> > @end
> >
> >
> > Thats the simple single threaded case. Things get much more
> > interesting if you want to be able to call 'bar' from multiple threads.
> >
> > Compiled in Mail -
> > Jon Hess
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