Good to know. Yeah, it was pointed out to me that they aren't generated (STILL? SERIOUSLY??), but I generated them and now it's all hunky-dory. I'll keep the other notes you mentioned in mind.
Thanks! On Mar 31, 2014, at 16:05 , Gordon Apple <g...@ed4u.com> wrote: > One thing you are missing, is that, as far as I know, the generated accessors > are still broken. You have to write your own. I did find a set of macros > someone wrote for this, but haven’t tried them yet because I had already > written many of my own sets of accessors. > > Two more things to watch out for (been bitten by both): > > • Note that [(NSOrderedSet) array] does not return a new array. If you > change the orderedSet, it will change the returned array. It is a > “representation” of the orderedSet as an array, not a new array. > > 2. moveObjectsFromIndexes:toIndex does not work in the way you might > expect, like moving table elements to the dropped index location. No way, no > how. You have to first figure out what the new insert index will be after > removing the objects, because that is what this routine expects as its index > input. I’ve filed bug reports on this, but they haven’t updated it. The > (prigrammer) user should not have to know how this routine works internally > in order to use it properly. It should work the way it is displayed in a > table, so the index should be the row number where you dropped it in the > table. > > Message: 1 Date: Mon, 31 Mar 2014 09:32:50 -0500 From: Fritz Anderson > <fri...@manoverboard.org> To: Rick Mann <rm...@latencyzero.com> Cc: Cocoa dev > <cocoa-dev@lists.apple.com> Subject: Re: Ordered to-many relationship > CoreDataGeneratedAccessors Message-ID: > <ccc92aa3-1729-48b6-bfeb-5bcc878a6...@manoverboard.org> Content-Type: > text/plain; charset=windows-1252 On 29 Mar 2014, at 3:11 AM, Rick Mann > <rm...@latencyzero.com> wrote: > I'm getting > > -[WireSegment > replaceObjectInNodesAtIndex:withObject:]: unrecognized selector sent to > instance > > When I try to send that message. This is one of the > "CoreDataGeneratedAccessors", for an ordered to-many relationship. I don't > see anything in the docs about those. What am I missing? > > -- > Rick I > assume "WireSegment" is an object variable despite the name. I believe that > what KVC is giving you for .nodes is an NSSet. What you want to do is > [[wireSegment mutableOrderedSetValueForKey: @"nodes"] replaceObjectAtIndex: > anIndex withObject: newObject]; … which you’d likely want to wrap in a method > of your own. I think. Written in Mail, uncompiled, untested. — F -- Rick
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