Re: subclassing with conditional method overriding
Re: subclassing with conditional method overriding
- Subject: Re: subclassing with conditional method overriding
- From: Brent Gulanowski <email@hidden>
- Date: Sat, 5 Sep 2009 10:01:42 -0400
@implementation B
- (void)handleTask {
if(condition) {
[super handleTask];
return;
}
// B implementation
return;
}
@end
On Sat, Sep 5, 2009 at 6:25 AM, Alex Reynolds<email@hidden> wrote:
> Let's say I have a class interface and implementation, as follows:
>
> ---
> @interface A : NSObject {
> ...
> }
> - (void) handleTask;
> @end
>
> @implementation A
> ...
> - (void) handleTask {
> // do stuff specific to A object type...
> }
> ---
>
> Let's say I then subclass A and override -handleTask:
>
> ---
> @interface B : A {
> ...
> }
> - (void) handleTask;
> @end
>
> @implementation B
> ...
> - (void) handleTask {
> // do stuff specific to B object type...
> }
> ---
>
> If I instantiate a variable of type B, is there a way to conditionally use
> the -handleTask method from either class A or B? For example, by casting to
> (A *) when calling -handleTask?
>
> Apologies in advance, if this is a dumb question. Thanks for your advice.
>
> -Alex
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--
Brent Gulanowski
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