Files
CoreStore/Sources/NSManagedObject+ObjectiveC.swift
2018-09-15 12:56:08 +09:00

76 lines
2.6 KiB
Swift

//
// NSManagedObject+ObjectiveC.swift
// CoreStore
//
// Copyright © 2018 John Rommel Estropia
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in all
// copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
// SOFTWARE.
//
import Foundation
import CoreData
// MARK: - NSManagedObject
public extension NSManagedObject {
/**
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
- returns: the primitive value for the KVC key
*/
@objc
public func cs_accessValueForKVCKey(_ KVCKey: KeyPathString) -> Any? {
return self.getValue(forKvcKey: 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
*/
@objc
public func cs_setValue(_ value: Any?, forKVCKey KVCKey: KeyPathString) {
self.setValue(value, forKvcKey: KVCKey)
}
/**
Re-faults the object to use the latest values from the persistent store
*/
@objc
public func cs_refreshAsFault() {
self.refreshAsFault()
}
/**
Re-faults the object to use the latest values from the persistent store and merges previously pending changes back
*/
@nonobjc
public func cs_refreshAndMerge() {
self.refreshAndMerge()
}
}