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Code Issues 95 Packages Projects Releases 10 Wiki Activity

minor Swift 3 cleanup

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This commit is contained in:
John Estropia
2016-12-08 18:59:41 +09:00
parent 5d2956d674
commit a27556f294
21 changed files with 453 additions and 255 deletions
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2
Sources/Convenience/NSFetchedResultsController+Convenience.swift
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@@ -214,7 +214,7 @@ fileprivate func createFRC<T: NSManagedObject>(fromContext context: NSManagedObj
fetchRequest.sortDescriptors?.isEmpty == false,
"An \(cs_typeName(NSFetchedResultsController<NSManagedObject>.self)) requires a sort information. Specify from a \(cs_typeName(OrderBy.self)) clause or any custom \(cs_typeName(FetchClause.self)) that provides a sort descriptor."
)
}
}
)
return controller.dynamicCast()
}

19
Sources/Convenience/NSManagedObject+Convenience.swift
View File

@@ -93,17 +93,34 @@ public extension NSManagedObject {
return primitiveValue
}
/**
Provides a convenience wrapper for accessing `primitiveValueForKey(...)` with proper calls to `willAccessValueForKey(...)` and `didAccessValueForKey(...)`. This is useful when implementing accessor methods for transient attributes.
- parameter KVCKey: the KVC key
- parameter closure: a closure that receives the accessed value. This closure is executed between `willAccessValueForKey(...)` and `didAccessValueForKey(...)`
- returns: the primitive value for the KVC key
*/
@nonobjc
public func accessValueForKVCKey(_ KVCKey: KeyPath, _ closure: (Any?) -> Void) {
self.willAccessValue(forKey: KVCKey)
closure(self.primitiveValue(forKey: KVCKey))
self.didAccessValue(forKey: KVCKey)
}
/**
Provides a convenience wrapper for setting `setPrimitiveValue(...)` with proper calls to `willChangeValueForKey(...)` and `didChangeValueForKey(...)`. This is useful when implementing mutator methods for transient attributes.
- parameter value: the value to set the KVC key with
- parameter closure: a closure that receives the accessed value. This closure is executed between `willChangeValue(...)` and `didChangeValue(...)`
- parameter KVCKey: the KVC key
*/
@nonobjc
public func setValue(_ value: Any?, forKVCKey KVCKey: KeyPath) {
public func setValue(_ value: Any?, forKVCKey KVCKey: KeyPath, _ closure: () -> Void = {}) {
self.willChangeValue(forKey: KVCKey)
self.setPrimitiveValue(value, forKey: KVCKey)
closure()
self.didChangeValue(forKey: KVCKey)
}