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Merge branch 'swift3_develop' of github.com:JohnEstropia/CoreStore into swift3_develop

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# Conflicts:
#	Sources/Convenience/NSManagedObject+Convenience.swift
This commit is contained in:
John Estropia
2016-12-08 19:00:38 +09:00
parent a27556f294 e330291e1b
commit f42288802c
1 changed files with 38 additions and 12 deletions
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50
Sources/Convenience/NSManagedObject+Convenience.swift
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@@ -87,41 +87,67 @@ public extension NSManagedObject {
public func accessValueForKVCKey(_ KVCKey: KeyPath) -> Any? { public func accessValueForKVCKey(_ KVCKey: KeyPath) -> Any? {
self.willAccessValue(forKey: KVCKey) self.willAccessValue(forKey: KVCKey)
let primitiveValue: Any? = self.primitiveValue(forKey: KVCKey) defer {
self.didAccessValue(forKey: KVCKey)
self.didAccessValue(forKey: KVCKey)
return primitiveValue }
return self.primitiveValue(forKey: KVCKey)
} }
/** /**
Provides a convenience wrapper for accessing `primitiveValueForKey(...)` with proper calls to `willAccessValueForKey(...)` and `didAccessValueForKey(...)`. This is useful when implementing accessor methods for transient attributes. 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 KVCKey: the KVC key
- parameter closure: a closure that receives the accessed value. This closure is executed between `willAccessValueForKey(...)` and `didAccessValueForKey(...)` - parameter didAccessPrimitiveValue: the closure to access the value. This is called between `willAccessValueForKey(...)` and `didAccessValueForKey(...)`
- returns: the primitive value for the KVC key - returns: the primitive value for the KVC key
*/ */
@discardableResult
@nonobjc @nonobjc
public func accessValueForKVCKey(_ KVCKey: KeyPath, _ closure: (Any?) -> Void) { public func accessValueForKVCKey<T>(_ KVCKey: KeyPath, _ didAccessPrimitiveValue: (Any?) throws -> T) rethrows -> T {
self.willAccessValue(forKey: KVCKey) self.willAccessValue(forKey: KVCKey)
closure(self.primitiveValue(forKey: KVCKey)) defer {
self.didAccessValue(forKey: KVCKey)
self.didAccessValue(forKey: KVCKey)
}
return try didAccessPrimitiveValue(self.primitiveValue(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. 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 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 - parameter KVCKey: the KVC key
*/ */
@nonobjc @nonobjc
public func setValue(_ value: Any?, forKVCKey KVCKey: KeyPath, _ closure: () -> Void = {}) { public func setValue(_ value: Any?, forKVCKey KVCKey: KeyPath) {
self.willChangeValue(forKey: KVCKey) self.willChangeValue(forKey: KVCKey)
defer {
self.didChangeValue(forKey: KVCKey)
}
self.setPrimitiveValue(value, forKey: KVCKey) self.setPrimitiveValue(value, forKey: KVCKey)
closure() }
self.didChangeValue(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 KVCKey: the KVC key
- parameter didSetPrimitiveValue: the closure called between `willChangeValueForKey(...)` and `didChangeValueForKey(...)`
*/
@discardableResult
@nonobjc
public func setValue<T>(_ value: Any?, forKVCKey KVCKey: KeyPath, _ didSetPrimitiveValue: (Any?) throws -> T) rethrows -> T {
self.willChangeValue(forKey: KVCKey)
defer {
self.didChangeValue(forKey: KVCKey)
}
self.setPrimitiveValue(value, forKey: KVCKey)
return try didSetPrimitiveValue(value)
} }
/** /**