Re: Singleton as a common area?
Re: Singleton as a common area?
- Subject: Re: Singleton as a common area?
- From: "Jonathan del Strother" <email@hidden>
- Date: Wed, 20 Feb 2008 21:15:13 +0000
On Wed, Feb 20, 2008 at 9:03 PM, James Hober <email@hidden> wrote:
>
> On Feb 20, 2008, at 12:04 PM, Jerry LeVan wrote:
>
> > It seems to me that a singleton object could be used
> > to hold lots of global state info and it would be
> > easy to instantiate the singleton in each of the
> > source files to access the stashed info...
> >
>
> > Is this a reasonable way to share info?
>
> Sometimes you just create a single instance of a class.
>
> Other times you enforce that only zero instances or one instance can
> ever be created. To do this second thing,
>
> http://developer.apple.com/documentation/Cocoa/Conceptual/
> CocoaFundamentals/CocoaObjects/chapter_3_section_10.html
>
...and if you don't want to re-implement that for each of your
singletons, FTSWAbstractSingleton is a nice starting point -
http://www.cocoadev.com/index.pl?FTSWAbstractSingleton
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