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

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