Core Data uses NSSet because a set forces uniqueness among its members. Core Data will then represent the relationship as an NSOrderedSet. If you have ever worked on an iOS 5 application and came across a strange issue adding objects to a NSOrderedSet that is part of a NSManagedObject, you are not alone. Liked. Normally Core Data uses a NSSet. I like to sort the items in the relation by a date property and to migrate to a NSOrderedSet. Could someone please help me and point to the right direction on how to manage this? The only APIs changed to add support for NSOrderedSet, though, were part of Core Data.. CoreData-Eins-zu-Viele-Beziehungsprobleme. When creating attributes for an entity in Core Data in Objective-C, there are only options for primitive types. iOS Core Data//NSOrderedSet und SIGABRT. Die minimale Werkzeugversion für das Core Data Model ist auf Xcode 7.0 und die Codegenerierungssprache auf Swift eingestellt. - (void)addSubitemsObject:(SubItem *)value { NSMutableOrderedSet* tempSet = [NSMutableOrderedSet orderedSetWithOrderedSet:self.subitems]; … Gemeinschaften (8) Booking - 10% Rabatt ios core-data nsmanagedobject nsmanagedobjectcontext nsentitydescription. Core Data - Create NSManagedObject Subclass. Ich habe MOGENerator für mein Projekt implementiert. Writing a convenience method in the subclasses to produce an ordered array will be faster and more performant than using an NSOrderedSet. Writing a convenience method in the subclasses to produce an ordered array will be faster and more performant than using an NSOrderedSet. }"; NSUnderlyingException = "Can't read binary data from file"; } The code works fine in iOS 10. but this serves as a simple example: Drawer and Sock are both NSManagedObjects in a Core Data model/store. Problem 4. Adding elements would require altering the ID of some elements. I used Create NSManagedObject Subclass, and it created the 2 files as it should. For a simple example we can use the GitHub API, and this tutorial seeks to guide you through exactly that. In cases where a simple collection of objects is passed as a parameter, a simple NSArray does the trick–even if there is an implicit understanding that you shouldn’t have duplicate entries. More recently Core Data now offers to track many-to-one collections in a NSOrderedSet, but I've discovered are a few quarks to this still, so I still track the z-depth manually to control the sprite layers. Aber das friert in iOS 5, es funktioniert gut in iOS 4. Asked by devfcr Copy to clipboard. Twitter will use this to make your timeline better. iPhone/iPad Application Development and tutorial. SDKs. Ich habe andere Beiträge zu nicht erkannten Selektorfehlern gesehen, aber nichts in Bezug auf den automatisch generierten Code in der folgenden Methode: - (void)tableView:(UITableView *)tableView . Although it is perfectly suited to that one particular use case in Core Data, NSOrdered Set is probably not a great choice for the majority of APIs that could potentially use it. Stammdaten Kind/Eltern speichern Ausnahme (2) . The first step I've taken is to use a Template Master / Detail with Core Data. NSOrderedSet was introduced in iOS 5 & OS X Lion. Ich bekomme keine Ausnahmen, Warnungen oder … It's working great when saving manually (cmd+s) and then building the xcdatamodeld after some new properties had been added / updated / removed. Ignoriere Problem 3. Questions: I am having an issue (understanding issue to be honest) with NSFetchedResultsController and the new NSOrderedSet relationships available in iOS 5. Gemeinschaften (8) Booking - 10% Rabatt objective-c ios core-data mogenerator. This was fantastic news for anyone using Core Data at the time, as it solved one of the long-standing annoyances of not having a way to arbitrarily order relationship collections. ... (_ value: SavedProfile) @objc(addProfiles:) @NSManaged public func addToProfiles(_ values: NSOrderedSet) @objc(removeProfiles:) @NSManaged public func removeFromProfiles(_ values: NSOrderedSet) } Bearbeiten: Dies sind die spezifischen … Undo. ), Aber das dient als ein einfaches Beispiel: Drawer und Sock sind beide NSManagedObjects in einem Core Data Model / Store. Traditionally in Core Data if you want to have a array of items you would create separate entity and use relationship to connect them. Retweet. But, an "array-like" relationship actually translates to an NSOrderedSet once we export our Core Data model. Core Data is no new framework and I think it is rather hard to build something really inefficient with it. The same object can’t feature more than once in a to-many relationship. Ich arbeite mit CoreData eine-zu-viele Beziehung. Generally if you can avoid Especially if you are not handling large amounts of data. I modified the Entity (called Event) with 4 properties instead of the default "timestamp". NSInvalidArgumentException with NSOrderedSet using CoreData. If you really want to dive deep into Core Data and dont mind paying then I can highly recommend the book Core Data by objc.io. Core Data Asked by devfcr Copy to clipboard. Zum Beispiel Ordner - Datei. Reply to this question Up vote post of devfcr Down vote post of devfcr Post marked as solved 581 views. But, an “array-like” relationship actually translates to an NSOrderedSet once we export our Core Data model. When creating attributes for an entity in Core Data in Objective-C, there are only options for primitive types. Ich habe ein Problem beim Refactoring von Code gefunden. core-data ios5 (5) Ich versuche folgende einfache Sache zu tun: NSArray * entities = [context executeFetchRequest:inFetchRequest error:&fetchError]; Nichts Außergewöhnliches. If you need to access individual objects by index, you can check the Ordered checkbox in the visual editor, as you’ve done here. If we need an array or a dictionary, we need to create a relationship. Core Data Codegen schlägt in Xcode 8 fehl (4) ... public typealias OrderedSet = NSOrderedSet. Retweeted. Copy link to Tweet; Embed Tweet; Replying to @an0 @an0 @heathborders this used to … If we need an array or a dictionary, we need to create a relationship. OK, jetzt ist der Compilerfehler verschwunden und OrderedSet scheint erkannt zu sein. If the order matters though one could opt for an NSOrderedSet. Like. I created a test app called Template9b1. Etiketten ios, core-data. Ich habe ein Problem (um ehrlich zu sein) mit NSFetchedResultsController und den neuen NSOrderedSet-Beziehungen, die in iOS 5 verfügbar sind. Lightweight Framework for using Core Data with Value Types - liuhuan1/CoreValue When creating attributes for an entity in Core Data in Objective-C, there are only options for primitive types. June 19, 2012. Ich bin abgestürzt (wahrscheinlich während der Eltern Moc gerettet hat: Core Data Stack; NSIncrementalStore newValueForRelationship:forObjectWithID:withContext:error: Language: Language: Swift Objective-C API Changes: None; Instance Method new Value For Relationship: for Object With ID: with Context: error: Returns the relationship for the given relationship of the object with a given object ID. macos - deutsch - core data xcdatamodel . Does the performance hold up? More. Really baffling. But, an “array-like” relationship actually translates to an NSOrderedSet once we export our Core Data model. Exploring NSOrderedSet in Core Data Wednesday, January 9, 2013. It is a lazy addition to Core Data that never should have happened. Das Problem ist, ich erhalte jetzt ständig eine SIBAGRT-Ausnahme, und ich kann nicht herausfinden, warum. Core Data erstellt standardmäßig dynamisch öffentliche und primitive Methoden zum Abrufen und Festlegen von Zugriffsmethoden für modellierte Eigenschaften (Attribute und Beziehungen) verwalteter Objektklassen. Previously, all relationships were unordered and necessitated the use of an intermediate entity to describe ordering. It is never more useful or more performant than writing your own sort routine. @numist any idea why? Reply. So, you might come across a point in… It is great and I still regret not reading it sooner. Switch-Case Informationstechnologie. example - swift core data macos . I'm using the update Core Data for iOS 10 with the new codegen capabilities (on Xcode 8 beta 1). Then one entity would have set of these related entities. @tcarroll2 . Namen wie parentContext, Kindkontext, rootContext und so weiter sind zu schwierig? If we need an array or a dictionary, we need to create a relationship. Before starting to use it, however, we had to make sure it performed up to our standards. Thanks. We want to use core data to cache results from the Web. By Jon Nalewajek 4 Comments. 0 replies 0 retweets 0 likes. Kerndatenabsturz - unerkannter Selektor. cocoa - tutorial - when to use core data . Worst news also from Core Data: this critical NSOrderedSet bug gets no fix for 5 years! August 31, 2012. iOS 5 introduced a new, exciting feature in Core Data: ordered, to-many relationships. Ich habe das folgende Datenmodell (ok, mein richtiger ist nicht Schublade und Socke! Core Data is also available on watchOS, the operating system running on the Apple Watch. Ich möchte also eine Datei aus einem Ordner nehmen und sie in einen anderen Ordner kopieren. Use NSPredicate to sort them. I have the following data-model (ok, my real one is not drawer’s and sock’s!) Stammdaten Kind/Eltern speichern Ausnahme (2) Ihre Var-IDs sind wirklich verwirrend. Exception thrown in NSOrderedSet generated accessors (17) I agree that there maybe a bug here. Ich musste kürzlich das Datenmodell eines Projekts ändern, das ich nicht gestartet habe. Einige meiner Beziehungen sind jedoch geordnet, was bei der Standardimplementierung zur Erstellung von acht verschiedenen Zubehörmethoden für CRUD … Core Data Stack; NSIncrementalStore; newValue(forRelationship:forObjectWith:with:) Language: Language: Swift; Objective-C; API Changes: None; Instance Method new Value(for Relationship: for Object With: with:) Returns the relationship for the given relationship of the object with a given object ID. Undo. So, you might come across a … Exploring NSOrderedSet in Core Data. Copied to Clipboard. It is a lazy addition to Core Data that never should have happened. iOS 5.0+ macOS 10.7+ Mac Catalyst 13.0+ tvOS 9.0+ watchOS 2.0+ Framework. Keines der oben genannten Dinge ist wirklich wichtig, da der Compiler die Dateien, die er gerade generiert hat, nicht finden kann. I've modified the implementation of the add object >setter to append correctly to a NSMutableOrderedSet. Allowed classes are '{(\n NSDictionaryMapNode,\n NSSet,\n NSDictionary,\n NSOrderedSet,\n NSDecimalNumber,\n NSUUID,\n NSNumber,\n NSNull,\n NSData,\n NSDate,\n NSURL,\n NSString,\n NSArray\n)}'. Brian Papa ‏ @bpapa 10 Jun 2015. // Event+CoreDataProperties.swift. MOGENerator und NSOrderedSet. Availability. Das Problem ist wahrscheinlich nicht die sichere Operation. I was wondering what would be faster: - uses NSSet and add an ID to each element. It is never more useful or more performant than writing your own sort routine. It seemed only natural for us to leverage the same persistence framework for both platforms in one shared library, to reuse as much of our existing code as possible. Ich habe gerade bei einigen Entitäten das Attribut "ordered" hinzugefügt und das Ganze in Klassen um 10 neu generiert. Especially if you are not handling large amounts of data. Ich Tat mein bestes, um die Suche nach Antworten auf dieses forum und die web-und obwohl ich fand einige ähnliche Themen, ich hab nicht die Antwort Gemeinschaften (8) Booking - 10% Rabatt ios core-data. So for core data it is useful especially in use with the NSFetchedResultsController. , ich erhalte jetzt ständig eine SIBAGRT-Ausnahme, und ich kann nicht herausfinden,.. Booking - 10 % Rabatt iOS core-data mogenerator a bug here and i think is... Example: Drawer and Sock ’ s and Sock ’ s! beim Refactoring von code.! 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Part of Core Data for iOS 10 there maybe a bug here einen anderen kopieren. Of these related entities in NSOrderedSet generated accessors ( 17 ) i that. Support for NSOrderedSet, though, were part of Core Data codegen in!, and it created the 2 files as it should following data-model ( ok, jetzt ist Compilerfehler... To the right direction on how to manage this finden kann than using an NSOrderedSet once we export our Data. Correctly to a NSOrderedSet one is not Drawer ’ s and Sock both! Ich möchte also eine Datei aus einem Ordner nehmen und sie in einen anderen Ordner kopieren sort....

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