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Re: Object References in Obj-C
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Re: Object References in Obj-C


  • Subject: Re: Object References in Obj-C
  • From: Clark Cox <email@hidden>
  • Date: Mon, 23 May 2005 11:07:22 -0400

On 5/23/05, Iain Delaney <email@hidden> wrote:
> Hi all,
>      Here's my situation: My AppController has a dictionary of
> objects. One of these objects creates a worker object that may need
> to get information from another object in the dictionary. Do Obj-C
> objects know anything about the object that instantiated them?

No, they don't.

> Or should I pass a pointer to the parent or AppController around?
>
>      Right now, I've got a member variable of type (AppController *)
> MyApp that I set with self from inside the AppController class, but
> I'm not that comfortable with that. Is this the right way to do
> things, or is there a better way?

You could pass it as a parameter to the object's -init... method(s).
You could add a set... method to the class and call it from the AppController.
If the object is instantiated in a nib, you could make the member
variable an outlet, and connect it in IB.


--
Clark S. Cox III
email@hidden
http://www.livejournal.com/users/clarkcox3/
http://homepage.mac.com/clarkcox3/
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References: 
 >Object References in Obj-C (From: Iain Delaney <email@hidden>)

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