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Avoid duplicating keys in will/did method calls. #22

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Avoid duplicating keys in will/did method calls. #22

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12 changes: 12 additions & 0 deletions SharedCode/KeyCodable.swift
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Original file line number Diff line number Diff line change
Expand Up @@ -22,6 +22,12 @@ extension KeyCodable where Self: ManagedObject, Keys.RawValue == String {
didAccessValueForKey(key.rawValue)
}

public func accessingValueForKey(key: Keys, @noescape block: () -> ()) {
willAccessValueForKey(key)
block()
didAccessValueForKey(key)
}

public func willChangeValueForKey(key: Keys) {
(self as ManagedObject).willChangeValueForKey(key.rawValue)
}
Expand All @@ -42,6 +48,12 @@ extension KeyCodable where Self: ManagedObject, Keys.RawValue == String {
return changedValues()[key.rawValue]
}

public func changingValueForKey(key: Keys, @noescape block: () -> ()) {
willChangeValueForKey(key)
block()
didChangeValueForKey(key)
}

public func committedValueForKey(key: Keys) -> AnyObject? {
return committedValuesForKeys([key.rawValue])[key.rawValue]
}
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