获取 PFUser 引用对象
Get PFUser reference objects
我有一个带有附加字段的 PFUser 子类:
class User: PFUser {
@NSManaged var myLists: [BuyList]
@NSManaged var receivedlists: [BuyList]
@NSManaged var users: [User]
override class func initialize() {
struct Static {
static var onceToken : dispatch_once_t = 0;
}
dispatch_once(&Static.onceToken) {
self.registerSubclass()
}
}
}
BuyList 是 PFObject 的子类。
我创建了 BuyList 对象,用它做了一些可怕的事情并附加到 User.myLists。之后我打电话:
User.currentUser()!.saveInBackground()
在 Parse 仪表板中,我在 'myLists' 字段中有这个值:
[{"__type":"Pointer","className":"BuyList","objectId":"D5sGbsEhio"}]
但是设备对象是:
<BuyList: 0x7bab9b80, objectId: D5sGbsEhio, localId: (null)> {
//Empty body here
}
如何接收用户对象并且它是 属性 的?
我尝试在 HomeScreen 打开之前加载用户,所以我将 open 方法替换为:
private func openHomeScreen() {
self.loadList(0) { () -> Void in
Utils.setRootController("HomeController")
}
}
private func loadList(var index: Int, completition: () -> Void ) {
User.currentUser()!.myLists[index].fetchIfNeededInBackgroundWithBlock { (object: PFObject?, error: NSError?) -> Void in
index++
if index == User.currentUser()!.myLists.count {
completition()
} else {
self.loadList(index, completition: completition)
}
}
}
我有一个带有附加字段的 PFUser 子类:
class User: PFUser {
@NSManaged var myLists: [BuyList]
@NSManaged var receivedlists: [BuyList]
@NSManaged var users: [User]
override class func initialize() {
struct Static {
static var onceToken : dispatch_once_t = 0;
}
dispatch_once(&Static.onceToken) {
self.registerSubclass()
}
}
}
BuyList 是 PFObject 的子类。
我创建了 BuyList 对象,用它做了一些可怕的事情并附加到 User.myLists。之后我打电话:
User.currentUser()!.saveInBackground()
在 Parse 仪表板中,我在 'myLists' 字段中有这个值:
[{"__type":"Pointer","className":"BuyList","objectId":"D5sGbsEhio"}]
但是设备对象是:
<BuyList: 0x7bab9b80, objectId: D5sGbsEhio, localId: (null)> {
//Empty body here
}
如何接收用户对象并且它是 属性 的?
我尝试在 HomeScreen 打开之前加载用户,所以我将 open 方法替换为:
private func openHomeScreen() {
self.loadList(0) { () -> Void in
Utils.setRootController("HomeController")
}
}
private func loadList(var index: Int, completition: () -> Void ) {
User.currentUser()!.myLists[index].fetchIfNeededInBackgroundWithBlock { (object: PFObject?, error: NSError?) -> Void in
index++
if index == User.currentUser()!.myLists.count {
completition()
} else {
self.loadList(index, completition: completition)
}
}
}