I created a test app called Template9b1. - (void)addSubitemsObject:(SubItem *)value { NSMutableOrderedSet* tempSet = [NSMutableOrderedSet orderedSetWithOrderedSet:self.subitems]; … The only APIs changed to add support for NSOrderedSet, though, were part of Core Data.. Kerndatenabsturz - unerkannter Selektor. Problem 4. I was wondering what would be faster: - uses NSSet and add an ID to each element. Before starting to use it, however, we had to make sure it performed up to our standards. Ich habe MOGENerator für mein Projekt implementiert. If the order matters though one could opt for an NSOrderedSet. So, you might come across a point in… NSOrderedSet was introduced in iOS 5 & OS X Lion. When creating attributes for an entity in Core Data in Objective-C, there are only options for primitive types. Wednesday, January 9, 2013. 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. Previously, all relationships were unordered and necessitated the use of an intermediate entity to describe ordering. Etiketten ios, core-data. Writing a convenience method in the subclasses to produce an ordered array will be faster and more performant than using an NSOrderedSet. Aber das friert in iOS 5, es funktioniert gut in iOS 4. Core Data is no new framework and I think it is rather hard to build something really inefficient with it. Asked by devfcr Copy to clipboard. Gemeinschaften (8) Booking - 10% Rabatt ios core-data. Switch-Case Informationstechnologie. Undo. The same object can’t feature more than once in a to-many relationship. Then one entity would have set of these related entities. It's working great when saving manually (cmd+s) and then building the xcdatamodeld after some new properties had been added / updated / removed. Thanks. Really baffling. Namen wie parentContext, Kindkontext, rootContext und so weiter sind zu schwierig? I modified the Entity (called Event) with 4 properties instead of the default "timestamp". Use NSPredicate to sort them. Especially if you are not handling large amounts of data. Availability. When creating attributes for an entity in Core Data in Objective-C, there are only options for primitive types. Copy link to Tweet; Embed Tweet; Replying to @an0 @an0 @heathborders this used to … Reply. Ich habe das folgende Datenmodell (ok, mein richtiger ist nicht Schublade und Socke! 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. August 31, 2012. iOS 5 introduced a new, exciting feature in Core Data: ordered, to-many relationships. iPhone/iPad Application Development and tutorial. For a simple example we can use the GitHub API, and this tutorial seeks to guide you through exactly that. It is a lazy addition to Core Data that never should have happened. Das Problem ist wahrscheinlich nicht die sichere Operation. I have the following data-model (ok, my real one is not drawer’s and sock’s!) 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 Core Data - Create NSManagedObject Subclass. Core Data Codegen schlägt in Xcode 8 fehl (4) ... public typealias OrderedSet = NSOrderedSet. Core Data uses NSSet because a set forces uniqueness among its members. iOS 5.0+ macOS 10.7+ Mac Catalyst 13.0+ tvOS 9.0+ watchOS 2.0+ Framework. 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. More. By Jon Nalewajek 4 Comments. Stammdaten Kind/Eltern speichern Ausnahme (2) Ihre Var-IDs sind wirklich verwirrend. If you need to access individual objects by index, you can check the Ordered checkbox in the visual editor, as you’ve done here. Ich arbeite mit CoreData eine-zu-viele Beziehung. Writing a convenience method in the subclasses to produce an ordered array will be faster and more performant than using an NSOrderedSet. But, an "array-like" relationship actually translates to an NSOrderedSet once we export our Core Data model. Exploring NSOrderedSet in Core Data. Generally if you can avoid Especially if you are not handling large amounts of data. Like. // Event+CoreDataProperties.swift. Stammdaten Kind/Eltern speichern Ausnahme (2) . @tcarroll2 . When creating attributes for an entity in Core Data in Objective-C, there are only options for primitive types. It is great and I still regret not reading it sooner. Liked. We want to use core data to cache results from the Web. I'm using the update Core Data for iOS 10 with the new codegen capabilities (on Xcode 8 beta 1). So, you might come across a … @numist any idea why? 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)}'. cocoa - tutorial - when to use core data . Ich möchte also eine Datei aus einem Ordner nehmen und sie in einen anderen Ordner kopieren. Core Data is also available on watchOS, the operating system running on the Apple Watch. OK, jetzt ist der Compilerfehler verschwunden und OrderedSet scheint erkannt zu sein. Core Data will then represent the relationship as an NSOrderedSet. Does the performance hold up? Ich musste kürzlich das Datenmodell eines Projekts ändern, das ich nicht gestartet habe. Core Data erstellt standardmäßig dynamisch öffentliche und primitive Methoden zum Abrufen und Festlegen von Zugriffsmethoden für modellierte Eigenschaften (Attribute und Beziehungen) verwalteter Objektklassen. It is never more useful or more performant than writing your own sort routine. Ignoriere Problem 3. iOS Core Data//NSOrderedSet und SIGABRT. Questions: I am having an issue (understanding issue to be honest) with NSFetchedResultsController and the new NSOrderedSet relationships available in iOS 5. example - swift core data macos . 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 . But, an “array-like” relationship actually translates to an NSOrderedSet once we export our Core Data model. If we need an array or a dictionary, we need to create a relationship. Adding elements would require altering the ID of some elements. SDKs. Ich habe ein Problem beim Refactoring von Code gefunden. Exploring NSOrderedSet in Core Data Gemeinschaften (8) Booking - 10% Rabatt objective-c ios core-data mogenerator. Ich bekomme keine Ausnahmen, Warnungen oder … Normally Core Data uses a NSSet. }"; NSUnderlyingException = "Can't read binary data from file"; } The code works fine in iOS 10. MOGENerator und NSOrderedSet. Ich habe ein Problem (um ehrlich zu sein) mit NSFetchedResultsController und den neuen NSOrderedSet-Beziehungen, die in iOS 5 verfügbar sind. Worst news also from Core Data: this critical NSOrderedSet bug gets no fix for 5 years! 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. So for core data it is useful especially in use with the NSFetchedResultsController. I like to sort the items in the relation by a date property and to migrate to a NSOrderedSet. core-data ios5 (5) Ich versuche folgende einfache Sache zu tun: NSArray * entities = [context executeFetchRequest:inFetchRequest error:&fetchError]; Nichts Außergewöhnliches. Retweeted. Copied to Clipboard. The first step I've taken is to use a Template Master / Detail with Core Data. CoreData-Eins-zu-Viele-Beziehungsprobleme. NSInvalidArgumentException with NSOrderedSet using CoreData. Keines der oben genannten Dinge ist wirklich wichtig, da der Compiler die Dateien, die er gerade generiert hat, nicht finden kann. If we need an array or a dictionary, we need to create a relationship. 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. But, an “array-like” relationship actually translates to an NSOrderedSet once we export our Core Data model. 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. Einige meiner Beziehungen sind jedoch geordnet, was bei der Standardimplementierung zur Erstellung von acht verschiedenen Zubehörmethoden für CRUD … 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. Retweet. Reply to this question Up vote post of devfcr Down vote post of devfcr Post marked as solved 581 views. It is never more useful or more performant than writing your own sort routine. ), Aber das dient als ein einfaches Beispiel: Drawer und Sock sind beide NSManagedObjects in einem Core Data Model / Store. 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Data from file '' ; } the code works fine in iOS 10 with the new codegen capabilities on... There are only options for primitive types and necessitated the use of an intermediate entity to describe.! Writing your own sort routine sie in einen anderen Ordner kopieren example: und! ; NSUnderlyingException = `` Ca n't read binary Data from file '' ; } the code works fine iOS. Export our Core Data is no new framework and i think it is a core data nsorderedset addition to Core Data schlägt. A to-many relationship the code works fine in iOS 10 with the NSFetchedResultsController und ich kann nicht herausfinden,..

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