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Code Issues 95 Packages Projects Releases 10 Wiki Activity

Implement dynamic initializers for Field properties (fixes #382)

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John Estropia
2020-05-23 12:07:16 +09:00
parent a7568eebdb
commit 56d0ea46ea
15 changed files with 455 additions and 142 deletions
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77
Sources/Field.Stored.swift
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@@ -85,6 +85,30 @@ extension FieldContainer {
renamingIdentifier: previousVersionKeyPath,
customGetter: customGetter,
customSetter: customSetter,
dynamicInitialValue: nil,
affectedByKeyPaths: affectedByKeyPaths
)
}
public init(
_ keyPath: KeyPathString,
versionHashModifier: @autoclosure @escaping () -> String? = nil,
previousVersionKeyPath: @autoclosure @escaping () -> String? = nil,
customGetter: ((_ object: ObjectProxy<O>, _ field: ObjectProxy<O>.FieldProxy<V>) -> V)? = nil,
customSetter: ((_ object: ObjectProxy<O>, _ field: ObjectProxy<O>.FieldProxy<V>, _ newValue: V) -> Void)? = nil,
affectedByKeyPaths: @autoclosure @escaping () -> Set<KeyPathString> = [],
dynamicInitialValue: @escaping () -> V
) {
self.init(
wrappedValue: nil,
keyPath: keyPath,
isOptional: false,
versionHashModifier: versionHashModifier,
renamingIdentifier: previousVersionKeyPath,
customGetter: customGetter,
customSetter: customSetter,
dynamicInitialValue: dynamicInitialValue,
affectedByKeyPaths: affectedByKeyPaths
)
}
@@ -262,18 +286,36 @@ extension FieldContainer {
)
}
}
internal var initializer: CoreStoreManagedObject.CustomInitializer? {
guard let dynamicInitialValue = self.dynamicInitialValue else {
return nil
}
let keyPath = self.keyPath
return { (_ id: Any) -> Void in
let rawObject = id as! CoreStoreManagedObject
rawObject.setPrimitiveValue(
dynamicInitialValue().cs_toFieldStoredNativeType(),
forKey: keyPath
)
}
}
// MARK: FilePrivate
fileprivate init(
wrappedValue initial: @escaping () -> V,
wrappedValue initial: (() -> V)?,
keyPath: KeyPathString,
isOptional: Bool,
versionHashModifier: @escaping () -> String?,
renamingIdentifier: @escaping () -> String?,
customGetter: ((_ object: ObjectProxy<O>, _ field: ObjectProxy<O>.FieldProxy<V>) -> V)?,
customSetter: ((_ object: ObjectProxy<O>, _ field: ObjectProxy<O>.FieldProxy<V>, _ newValue: V) -> Void)? ,
customSetter: ((_ object: ObjectProxy<O>, _ field: ObjectProxy<O>.FieldProxy<V>, _ newValue: V) -> Void)?,
dynamicInitialValue: (() -> V)?,
affectedByKeyPaths: @escaping () -> Set<KeyPathString>) {
self.keyPath = keyPath
@@ -287,11 +329,12 @@ extension FieldContainer {
renamingIdentifier: renamingIdentifier(),
valueTransformer: nil,
affectedByKeyPaths: affectedByKeyPaths(),
defaultValue: initial().cs_toFieldStoredNativeType()
defaultValue: initial?().cs_toFieldStoredNativeType()
)
}
self.customGetter = customGetter
self.customSetter = customSetter
self.dynamicInitialValue = dynamicInitialValue
}
@@ -299,6 +342,7 @@ extension FieldContainer {
private let customGetter: ((_ object: ObjectProxy<O>, _ field: ObjectProxy<O>.FieldProxy<V>) -> V)?
private let customSetter: ((_ object: ObjectProxy<O>, _ field: ObjectProxy<O>.FieldProxy<V>, _ newValue: V) -> Void)?
private let dynamicInitialValue: (() -> V)?
}
}
@@ -331,7 +375,8 @@ extension FieldContainer.Stored where V: FieldOptionalType {
previousVersionKeyPath: @autoclosure @escaping () -> String? = nil,
customGetter: ((_ object: ObjectProxy<O>, _ field: ObjectProxy<O>.FieldProxy<V>) -> V)? = nil,
customSetter: ((_ object: ObjectProxy<O>, _ field: ObjectProxy<O>.FieldProxy<V>, _ newValue: V) -> Void)? = nil,
affectedByKeyPaths: @autoclosure @escaping () -> Set<KeyPathString> = []) {
affectedByKeyPaths: @autoclosure @escaping () -> Set<KeyPathString> = []
) {
self.init(
wrappedValue: initial,
@@ -341,6 +386,30 @@ extension FieldContainer.Stored where V: FieldOptionalType {
renamingIdentifier: previousVersionKeyPath,
customGetter: customGetter,
customSetter: customSetter,
dynamicInitialValue: nil,
affectedByKeyPaths: affectedByKeyPaths
)
}
public init(
_ keyPath: KeyPathString,
versionHashModifier: @autoclosure @escaping () -> String? = nil,
previousVersionKeyPath: @autoclosure @escaping () -> String? = nil,
customGetter: ((_ object: ObjectProxy<O>, _ field: ObjectProxy<O>.FieldProxy<V>) -> V)? = nil,
customSetter: ((_ object: ObjectProxy<O>, _ field: ObjectProxy<O>.FieldProxy<V>, _ newValue: V) -> Void)? = nil,
affectedByKeyPaths: @autoclosure @escaping () -> Set<KeyPathString> = [],
dynamicInitialValue: @escaping () -> V
) {
self.init(
wrappedValue: nil,
keyPath: keyPath,
isOptional: true,
versionHashModifier: versionHashModifier,
renamingIdentifier: previousVersionKeyPath,
customGetter: customGetter,
customSetter: customSetter,
dynamicInitialValue: dynamicInitialValue,
affectedByKeyPaths: affectedByKeyPaths
)
}