Hi Rod, Thanks, we’re looking into it.
- Tony > On Jun 15, 2017, at 9:14 PM, Rod Brown <rodney.bro...@icloud.com> wrote: > > Hi Tony and Somu, > > I have an open radar for this one which has been outstanding for a few months. > > Radar #32191242 > > Hope this helps. > > - Rod > > > >> On 15 Jun 2017, at 10:27 am, Tony Parker via swift-users >> <swift-users@swift.org <mailto:swift-users@swift.org>> wrote: >> >> Hi Somu, >> >> You can certainly file a bug for us. It may be something we are already >> tracking or already fixed, but the bug report will let us double check that. >> >> Thanks, >> - Tony >> >>> On Jun 13, 2017, at 12:33 PM, somu subscribe via swift-users >>> <swift-users@swift.org <mailto:swift-users@swift.org>> wrote: >>> >>> Thanks a lot Jordan for pointing out the root cause. >>> >>> The underlying executing and finished properties are readonly properties. >>> >>> For an Asynchronous operation I had to override it tell when the >>> asynchronous operation completes. >>> >>> Since they are readonly properties I am unable to call the super on them to >>> set values. >>> >>> I can still use String, was just wondering if there was a way to do it >>> using KeyPath. It is more out of enthusiasm to try out the KeyPath feature >>> in the project :) >>> >>> Would it be appropriate to file a bug report for the implementation of >>> Operation ? >>> >>> Thanks and regards, >>> Muthu >>> >>> >>> >>>> On 14 Jun 2017, at 1:32 AM, Jordan Rose <jordan_r...@apple.com >>>> <mailto:jordan_r...@apple.com>> wrote: >>>> >>>> Hi, Muthu. This is a longstanding issue with Operation—the Objective-C >>>> name of the property is just "executing", but the KVO keys that the >>>> implementors used is "isExecuting". Swift isn't set up to deal with this >>>> difference. >>>> >>>> Fortunately, the base implementation of Operation already knows how to >>>> send the KVO notifications, so you shouldn't have to override these >>>> properties at all. If you still want to for some other reason, you can >>>> call super instead of storing to a private property. >>>> >>>> Hope that helps, >>>> Jordan >>>> >>>> >>>>> On Jun 13, 2017, at 06:40, somu subscribe via swift-users >>>>> <swift-users@swift.org <mailto:swift-users@swift.org>> wrote: >>>>> >>>>> Hi, >>>>> >>>>> I am having trouble using KeyPath to KVC (Key Value Code) in Swift 4. >>>>> >>>>> I have a subclass of Operation and I am overriding the isFinished and >>>>> isExecuting property. >>>>> >>>>> Problem: >>>>> - When I use KeyPath, the completionBlock of the operation is not invoked. >>>>> - However when I use String instead of KeyPath, the completionBlock is >>>>> invoked. >>>>> >>>>> Questions: >>>>> - Am I missing something ? >>>>> - Is there a way to fix it using KeyPath ? >>>>> >>>>> Code: >>>>> >>>>> override var isExecuting : Bool { >>>>> >>>>> get { >>>>> return _executing //property in the class >>>>> } >>>>> >>>>> set { >>>>> willChangeValue(for: \.isExecuting) >>>>> _executing = newValue >>>>> didChangeValue(for: \.isExecuting) >>>>> } >>>>> } >>>>> >>>>> override var isFinished : Bool { >>>>> >>>>> get { >>>>> return _finished //property in the class >>>>> } >>>>> >>>>> set { >>>>> willChangeValue(for: \.isFinished) >>>>> _finished = newValue >>>>> didChangeValue(for: \.isFinished) >>>>> } >>>>> } >>>>> >>>>> >>>>> Configuration: >>>>> - Xcode - 9.0 beta (9M136h) >>>>> - Tested on Simulator (iOS 11) >>>>> - macOS Sierra - 10.12.5 (16F73) >>>>> >>>>> >>>>> Thanks and Regards, >>>>> Muthu >>>>> _______________________________________________ >>>>> swift-users mailing list >>>>> swift-users@swift.org <mailto:swift-users@swift.org> >>>>> https://lists.swift.org/mailman/listinfo/swift-users >>>>> <https://lists.swift.org/mailman/listinfo/swift-users> >>>> >>> >>> _______________________________________________ >>> swift-users mailing list >>> swift-users@swift.org <mailto:swift-users@swift.org> >>> https://lists.swift.org/mailman/listinfo/swift-users >>> <https://lists.swift.org/mailman/listinfo/swift-users> >> >> _______________________________________________ >> swift-users mailing list >> swift-users@swift.org <mailto:swift-users@swift.org> >> https://lists.swift.org/mailman/listinfo/swift-users >
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