Re: ARC conversion issue problem with Xcode 4.2
Re: ARC conversion issue problem with Xcode 4.2
- Subject: Re: ARC conversion issue problem with Xcode 4.2
- From: Quincey Morris <email@hidden>
- Date: Sat, 15 Oct 2011 23:02:42 -0700
On Oct 15, 2011, at 18:02 , Sean Todd wrote:
> I am trying to convert a Core Data app which uses garbage collection to ARC. When I run the refactoring tool, I see issues like:
>
> Semantic Issue: Type of property 'person' does not match type of accessor 'setPerson:'
It's really, really important when asking a question like this to tell us which line the error message is issued for.
> The relevant declaration code:
>
> @class ABPerson;
>
> @interface XG2Student : NSManagedObject {
> }
>
> @property (nonatomic, retain) ABPerson * person;
>
> - (ABPerson *)person;
> - (void)setPerson:(ABPerson *)aPerson;
I'm guessing that the problem is this totally unnecessary redeclaration of the property accessors. Just omit the above 2 lines -- they serve no purpose whatsoever.
> The relevant implementation:
>
> @implementation XG2Student
>
> @dynamic person;
>
> /* custom getter omitted for brevity */
>
> - (void)setPerson:(ABPerson *)aPerson {
>
> [self willChangeValueForKey:XG2PersonKey];
> [self setPrimitivePerson:aPerson];
> [self didChangeValueForKey:XG2PersonKey];
>
> self.personUID = [aPerson uniqueId]; // this is the value that is persisted
> }
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