hI:我一直在使用EVReflection使我們的網絡層完全恢復,我必須說:真棒工作!感謝此庫的@evermeer。你可以在這裏:現在https://github.com/evermeer/EVReflectionEV反射與NSManagedObject崩潰/不工作
,到發佈:
下一步是讓這些對象直入核心數據。這是有問題的類別之一
//這裏是對象和EVReflectable擴展的文件聲明:
import Foundation
import CoreData
import EVReflection
public class NGTripSummary: NSManagedObject { }
extension NGTripSummary: EVReflectable { }
//這裏有對象屬性:
// NGTripSummary + CoreDataProperties.swift
import Foundation
import CoreData
extension NGTripSummary {
@nonobjc public class func fetchRequest() -> NSFetchRequest<NGTripSummary> {
return NSFetchRequest<NGTripSummary>(entityName: "NGTripSummary")
}
@NSManaged public var carId: Int64
@NSManaged public var citiesVisited: NSObject?
@NSManaged public var cost: Double
@NSManaged public var distance: Double
@NSManaged public var globalStartDate: NSDate?
@NSManaged public var globalEndDate: NSDate?
@NSManaged public var kpl: Double
@NSManaged public var litres: Double
@NSManaged public var routeLocations: NSObject?
@NSManaged public var sessionId: Int64
@NSManaged public var localStartDate: NSDate?
@NSManaged public var localEndDate: NSDate?
@NSManaged public var duration: Int64
@NSManaged public var speed: Double
@NSManaged public var _id: Int64
@NSManaged public var sessionUuid: String?
@NSManaged public var tripUuid: String?
}
//。這裏是JSON字符串,它表示一個演示對象:
let tripData = "{\"id\":26105240,\"userId\":25796277,\"carId\":25817551,\"vehicleId\":57812351,\"sessionUuid\":\"53324259-aa69-41c8-8f9e-c62bdb70f165\",\"tripUuid\":\"afdd8f55-6d14-4cf9-bd9f-5b6da47aaf93\",\"localStartDate\":1487170622490,\"localEndDate\":1487178323654,\"globalStartDate\":1487163422490,\"globalEndDate\":1487171123654,\"routeLocations\":null,\"litres\":24.7699,\"kpl\":0.0772,\"cost\":153.3258,\"distance\":1.9132,\"duration\":491.958,\"speed\":14.0}"
//這裏就是我想用它來創建這個Mock對象的方法:
func makeMockData() {
let singleTrip = NGTripSummary(json: tripData)
print("Single Trip: \(singleTrip)")
}
//現在:創建時對象,碰撞發生在這裏@類EVReflection:
// Call your own object validators that comply to the format: validate<Key>:Error:
do {
var setValue: AnyObject? = value as AnyObject?
/* LINE 923: CRASH HAPPENS HERE -> */ try anyObject.validateValue(&setValue, forKey: key)
anyObject.setValue(setValue, forKey: key)
} catch _ {
(anyObject as? EVReflectable)?.addStatusMessage(.InvalidValue, message: "Not a valid value for object `\(NSStringFromClass(type(of: (anyObject as AnyObject))))`, type `\(type)`, key `\(key)`, value `\(value)`")
print("INFO: Not a valid value for object `\(NSStringFromClass(type(of: (anyObject as AnyObject))))`, type `\(type)`, key `\(key)`, value `\(value)`")
}
//////////////////原因進行崩潰/////////// /////////
[錯誤]錯誤:CoreData:錯誤:無法請NSManagedObject類 'NGTripSummary' CoreData指定初始化:錯誤:CoreData:錯誤:無法請NSManagedObject類指定初始化 'NGTripSummary'
//// //////////////////////////////////////////////
- >任何人,請幫助:-0
嗨@湯姆哈靈頓,請你提供指定初始化的典範./感謝 –
@HernanArber每個類都有?一個指定的初始化程序,對於'NSManagedObject',這是我在我的答案中提到的那個。如果您不確定指定的初始化程序是什麼,請查看Apple的[有關Swift中的類初始化的文檔](https://developer.apple.com/library/content/documentation/Swift/Conceptual/Swift_Programming_Language/Initialization。 HTML#// apple_ref/DOC/UID/TP40014097-CH18-ID203)。 –