I think you’re looking for NSOperationQueue’s -addOperations:waitUntilFinished: method. Should do what you want.
Jeff Kelley slauncha...@gmail.com | @SlaunchaMan | jeffkelley.org On Jun 3, 2014, at 5:51 AM, Dave <d...@looktowindward.com> wrote: > Hi, > > I think this has been covered before, but all the searches I’ve done don’t > really cover what I’d like to do. > > I have an API that has two modes of operation, Sync and Async. > > In Sync mode calls to the API MUST be on a background thread and the data is > returned to the caller with a possibility that the thread is blocked until > the operation has completed. > > In Async mode calls to the API may be on the background thread or the Main > Thread, a delegate is passed to the API method which returns immediately and > the Delegate is called when the operation completes or fails. > > This all works, however I have some existing code that I’d like to have the > same API and be called by a “Manager Class” which calls the correct > underlying API depending on the context, e.g. > > AppLayer—>ManagerClass—>API_A > —>API_B > > API_A is the existing API supporting the Sync/Async interface. > API_B is the one I wish to create. > > The problem is that the existing code uses NSOperationQueue/NSOperation > accomplish it’s task, this works fine in Async mode, it was easy enough to > adapt to call the Delegate methods, but I’m not sure how to implement Sync > mode? > > Basically I want to add the NSOperation to the queue and then wait for it to > complete before returning with the results. > > Any ideas suggestions would be greatly appreciated as there seem to be a lot > of conflicting advice out there on how to do this and I’ve not been able to > find anything worked as described above. > > Thanks a lot. > > All the Best > Dave > > > _______________________________________________ > > Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) > > Please do not post admin requests or moderator comments to the list. > Contact the moderators at cocoa-dev-admins(at)lists.apple.com > > Help/Unsubscribe/Update your Subscription: > https://lists.apple.com/mailman/options/cocoa-dev/slaunchaman%40gmail.com > > This email sent to slauncha...@gmail.com _______________________________________________ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: https://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
