mirror of
https://github.com/JohnEstropia/CoreStore.git
synced 2026-02-24 08:34:58 +01:00
support transformable values
This commit is contained in:
John Estropia
@@ -37,6 +37,7 @@ infix operator .= : AssignmentPrecedence
|
||||
public extension DynamicObject where Self: CoreStoreObject {
|
||||
|
||||
public typealias Value = ValueContainer<Self>
|
||||
public typealias Transformable = TransformableContainer<Self>
|
||||
}
|
||||
|
||||
|
||||
@@ -58,44 +59,59 @@ public enum ValueContainer<O: CoreStoreObject> {
|
||||
attribute.value = attribute2.value
|
||||
}
|
||||
|
||||
public init(_ keyPath: KeyPath, `default`: V = V.cs_emptyValue(), isIndexed: Bool = false, isTransient: Bool = false) {
|
||||
public init(_ keyPath: KeyPath, `default`: V = V.cs_emptyValue(), isIndexed: Bool = false, isTransient: Bool = false, customGetter: @escaping (_ `self`: O, _ getValue: () -> V) -> V = { $1() }, customSetter: @escaping (_ `self`: O, _ setValue: (V) -> Void, _ newValue: V) -> Void = { $1($2) }) {
|
||||
|
||||
self.keyPath = keyPath
|
||||
self.isIndexed = isIndexed
|
||||
self.isTransient = isTransient
|
||||
self.defaultValue = `default`.cs_toImportableNativeType()
|
||||
self.customGetter = customGetter
|
||||
self.customSetter = customSetter
|
||||
}
|
||||
|
||||
public var value: V {
|
||||
|
||||
get {
|
||||
|
||||
let object = self.parentObject() as! O
|
||||
CoreStore.assert(
|
||||
self.accessRawObject().isRunningInAllowedQueue() == true,
|
||||
object.rawObject!.isRunningInAllowedQueue() == true,
|
||||
"Attempted to access \(cs_typeName(O.self))'s value outside it's designated queue."
|
||||
)
|
||||
return self.accessRawObject()
|
||||
.getValue(
|
||||
forKvcKey: self.keyPath,
|
||||
didGetValue: { V.cs_fromImportableNativeType($0 as! V.ImportableNativeType)! }
|
||||
)
|
||||
return self.customGetter(
|
||||
object,
|
||||
{ () -> V in
|
||||
|
||||
return object.rawObject!.getValue(
|
||||
forKvcKey: self.keyPath,
|
||||
didGetValue: { V.cs_fromImportableNativeType($0 as! V.ImportableNativeType)! }
|
||||
)
|
||||
}
|
||||
)
|
||||
}
|
||||
set {
|
||||
|
||||
let object = self.parentObject() as! O
|
||||
CoreStore.assert(
|
||||
self.accessRawObject().isRunningInAllowedQueue() == true,
|
||||
object.rawObject!.isRunningInAllowedQueue() == true,
|
||||
"Attempted to access \(cs_typeName(O.self))'s value outside it's designated queue."
|
||||
)
|
||||
CoreStore.assert(
|
||||
self.accessRawObject().isEditableInContext() == true,
|
||||
object.rawObject!.isEditableInContext() == true,
|
||||
"Attempted to update a \(cs_typeName(O.self))'s value from outside a transaction."
|
||||
)
|
||||
self.accessRawObject()
|
||||
.setValue(
|
||||
newValue,
|
||||
forKvcKey: self.keyPath,
|
||||
willSetValue: { ($0.cs_toImportableNativeType() as! CoreDataNativeType) }
|
||||
)
|
||||
self.customSetter(
|
||||
object,
|
||||
{ (newValue: V) -> Void in
|
||||
|
||||
object.rawObject!.setValue(
|
||||
newValue,
|
||||
forKvcKey: self.keyPath,
|
||||
willSetValue: { $0.cs_toImportableNativeType() }
|
||||
)
|
||||
},
|
||||
newValue
|
||||
)
|
||||
}
|
||||
}
|
||||
|
||||
@@ -114,10 +130,16 @@ public enum ValueContainer<O: CoreStoreObject> {
|
||||
internal let isTransient: Bool
|
||||
internal let defaultValue: Any?
|
||||
|
||||
internal var accessRawObject: () -> NSManagedObject = {
|
||||
internal var parentObject: () -> CoreStoreObject = {
|
||||
|
||||
CoreStore.abort("Attempted to access values from a \(cs_typeName(O.self)) meta object. Meta objects are only used for querying keyPaths and infering types.")
|
||||
}
|
||||
|
||||
|
||||
// MARK: Private
|
||||
|
||||
private let customGetter: (_ `self`: O, _ getValue: () -> V) -> V
|
||||
private let customSetter: (_ `self`: O, _ setValue: (V) -> Void, _ newValue: V) -> Void
|
||||
}
|
||||
|
||||
|
||||
@@ -140,43 +162,58 @@ public enum ValueContainer<O: CoreStoreObject> {
|
||||
attribute.value = attribute2.value
|
||||
}
|
||||
|
||||
public init(_ keyPath: KeyPath, `default`: V? = nil, isTransient: Bool = false) {
|
||||
public init(_ keyPath: KeyPath, `default`: V? = nil, isTransient: Bool = false, customGetter: @escaping (_ `self`: O, _ getValue: () -> V?) -> V? = { $1() }, customSetter: @escaping (_ `self`: O, _ setValue: (V?) -> Void, _ newValue: V?) -> Void = { $1($2) }) {
|
||||
|
||||
self.keyPath = keyPath
|
||||
self.isTransient = isTransient
|
||||
self.defaultValue = `default`?.cs_toImportableNativeType()
|
||||
self.customGetter = customGetter
|
||||
self.customSetter = customSetter
|
||||
}
|
||||
|
||||
public var value: V? {
|
||||
|
||||
get {
|
||||
|
||||
let object = self.parentObject() as! O
|
||||
CoreStore.assert(
|
||||
self.accessRawObject().isRunningInAllowedQueue() == true,
|
||||
object.rawObject!.isRunningInAllowedQueue() == true,
|
||||
"Attempted to access \(cs_typeName(O.self))'s value outside it's designated queue."
|
||||
)
|
||||
return self.accessRawObject()
|
||||
.getValue(
|
||||
forKvcKey: self.keyPath,
|
||||
didGetValue: { ($0 as! V.ImportableNativeType?).flatMap(V.cs_fromImportableNativeType) }
|
||||
)
|
||||
return self.customGetter(
|
||||
object,
|
||||
{ () -> V? in
|
||||
|
||||
return object.rawObject!.getValue(
|
||||
forKvcKey: self.keyPath,
|
||||
didGetValue: { ($0 as! V.ImportableNativeType?).flatMap(V.cs_fromImportableNativeType) }
|
||||
)
|
||||
}
|
||||
)
|
||||
}
|
||||
set {
|
||||
|
||||
let object = self.parentObject() as! O
|
||||
CoreStore.assert(
|
||||
self.accessRawObject().isRunningInAllowedQueue() == true,
|
||||
object.rawObject!.isRunningInAllowedQueue() == true,
|
||||
"Attempted to access \(cs_typeName(O.self))'s value outside it's designated queue."
|
||||
)
|
||||
CoreStore.assert(
|
||||
self.accessRawObject().isEditableInContext() == true,
|
||||
object.rawObject!.isEditableInContext() == true,
|
||||
"Attempted to update a \(cs_typeName(O.self))'s value from outside a transaction."
|
||||
)
|
||||
self.accessRawObject()
|
||||
.setValue(
|
||||
newValue,
|
||||
forKvcKey: self.keyPath,
|
||||
willSetValue: { ($0?.cs_toImportableNativeType() as! CoreDataNativeType?) }
|
||||
)
|
||||
self.customSetter(
|
||||
object,
|
||||
{ (newValue: V?) -> Void in
|
||||
|
||||
object.rawObject!.setValue(
|
||||
newValue,
|
||||
forKvcKey: self.keyPath,
|
||||
willSetValue: { $0?.cs_toImportableNativeType() }
|
||||
)
|
||||
},
|
||||
newValue
|
||||
)
|
||||
}
|
||||
}
|
||||
|
||||
@@ -194,10 +231,220 @@ public enum ValueContainer<O: CoreStoreObject> {
|
||||
internal let isTransient: Bool
|
||||
internal let defaultValue: Any?
|
||||
|
||||
internal var accessRawObject: () -> NSManagedObject = {
|
||||
internal var parentObject: () -> CoreStoreObject = {
|
||||
|
||||
CoreStore.abort("Attempted to access values from a \(cs_typeName(O.self)) meta object. Meta objects are only used for querying keyPaths and infering types.")
|
||||
}
|
||||
|
||||
|
||||
// MARK: Private
|
||||
|
||||
private let customGetter: (_ `self`: O, _ getValue: () -> V?) -> V?
|
||||
private let customSetter: (_ `self`: O, _ setValue: (V?) -> Void, _ newValue: V?) -> Void
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
// MARK: - TransformableContainer
|
||||
|
||||
public enum TransformableContainer<O: CoreStoreObject> {
|
||||
|
||||
// MARK: - Required
|
||||
|
||||
public final class Required<V: NSCoding & NSCopying>: AttributeProtocol {
|
||||
|
||||
public static func .= (_ attribute: TransformableContainer<O>.Required<V>, _ value: V) {
|
||||
|
||||
attribute.value = value
|
||||
}
|
||||
|
||||
public static func .=<O2: CoreStoreObject> (_ attribute: TransformableContainer<O>.Required<V>, _ attribute2: TransformableContainer<O2>.Required<V>) {
|
||||
|
||||
attribute.value = attribute2.value
|
||||
}
|
||||
|
||||
public init(_ keyPath: KeyPath, `default`: V, isIndexed: Bool = false, isTransient: Bool = false, customGetter: @escaping (_ `self`: O, _ getValue: () -> V) -> V = { $1() }, customSetter: @escaping (_ `self`: O, _ setValue: (V) -> Void, _ newValue: V) -> Void = { $1($2) }) {
|
||||
|
||||
self.keyPath = keyPath
|
||||
self.defaultValue = `default`
|
||||
self.isIndexed = isIndexed
|
||||
self.isTransient = isTransient
|
||||
self.customGetter = customGetter
|
||||
self.customSetter = customSetter
|
||||
}
|
||||
|
||||
public var value: V {
|
||||
|
||||
get {
|
||||
|
||||
let object = self.parentObject() as! O
|
||||
CoreStore.assert(
|
||||
object.rawObject!.isRunningInAllowedQueue() == true,
|
||||
"Attempted to access \(cs_typeName(O.self))'s value outside it's designated queue."
|
||||
)
|
||||
return self.customGetter(
|
||||
object,
|
||||
{ () -> V in
|
||||
|
||||
return object.rawObject!.getValue(
|
||||
forKvcKey: self.keyPath,
|
||||
didGetValue: { $0 as! V }
|
||||
)
|
||||
}
|
||||
)
|
||||
}
|
||||
set {
|
||||
|
||||
let object = self.parentObject() as! O
|
||||
CoreStore.assert(
|
||||
object.rawObject!.isRunningInAllowedQueue() == true,
|
||||
"Attempted to access \(cs_typeName(O.self))'s value outside it's designated queue."
|
||||
)
|
||||
CoreStore.assert(
|
||||
object.rawObject!.isEditableInContext() == true,
|
||||
"Attempted to update a \(cs_typeName(O.self))'s value from outside a transaction."
|
||||
)
|
||||
self.customSetter(
|
||||
object,
|
||||
{ (newValue: V) -> Void in
|
||||
|
||||
object.rawObject!.setValue(
|
||||
newValue,
|
||||
forKvcKey: self.keyPath
|
||||
)
|
||||
},
|
||||
newValue
|
||||
)
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
// MARK: AttributeProtocol
|
||||
|
||||
internal static var attributeType: NSAttributeType {
|
||||
|
||||
return .transformableAttributeType
|
||||
}
|
||||
|
||||
public let keyPath: KeyPath
|
||||
|
||||
internal let isOptional = false
|
||||
internal let isIndexed: Bool
|
||||
internal let isTransient: Bool
|
||||
internal let defaultValue: Any?
|
||||
|
||||
internal var parentObject: () -> CoreStoreObject = {
|
||||
|
||||
CoreStore.abort("Attempted to access values from a \(cs_typeName(O.self)) meta object. Meta objects are only used for querying keyPaths and infering types.")
|
||||
}
|
||||
|
||||
|
||||
// MARK: Private
|
||||
|
||||
private let customGetter: (_ `self`: O, _ getValue: () -> V) -> V
|
||||
private let customSetter: (_ `self`: O, _ setValue: (V) -> Void, _ newValue: V) -> Void
|
||||
}
|
||||
|
||||
|
||||
// MARK: - Optional
|
||||
|
||||
public final class Optional<V: NSCoding & NSCopying>: AttributeProtocol {
|
||||
|
||||
public static func .= (_ attribute: TransformableContainer<O>.Optional<V>, _ value: V) {
|
||||
|
||||
attribute.value = value
|
||||
}
|
||||
|
||||
public static func .=<O2: CoreStoreObject> (_ attribute: TransformableContainer<O>.Optional<V>, _ attribute2: TransformableContainer<O2>.Optional<V>) {
|
||||
|
||||
attribute.value = attribute2.value
|
||||
}
|
||||
|
||||
public static func .=<O2: CoreStoreObject> (_ attribute: TransformableContainer<O>.Optional<V>, _ attribute2: TransformableContainer<O2>.Required<V>) {
|
||||
|
||||
attribute.value = attribute2.value
|
||||
}
|
||||
|
||||
public init(_ keyPath: KeyPath, `default`: V? = nil, isIndexed: Bool = false, isTransient: Bool = false, customGetter: @escaping (_ `self`: O, _ getValue: () -> V?) -> V? = { $1() }, customSetter: @escaping (_ `self`: O, _ setValue: (V?) -> Void, _ newValue: V?) -> Void = { $1($2) }) {
|
||||
|
||||
self.keyPath = keyPath
|
||||
self.defaultValue = `default`
|
||||
self.isIndexed = isIndexed
|
||||
self.isTransient = isTransient
|
||||
self.customGetter = customGetter
|
||||
self.customSetter = customSetter
|
||||
}
|
||||
|
||||
public var value: V? {
|
||||
|
||||
get {
|
||||
|
||||
let object = self.parentObject() as! O
|
||||
CoreStore.assert(
|
||||
object.rawObject!.isRunningInAllowedQueue() == true,
|
||||
"Attempted to access \(cs_typeName(O.self))'s value outside it's designated queue."
|
||||
)
|
||||
return self.customGetter(
|
||||
object,
|
||||
{ () -> V? in
|
||||
|
||||
return object.rawObject!.getValue(
|
||||
forKvcKey: self.keyPath,
|
||||
didGetValue: { $0 as! V? }
|
||||
)
|
||||
}
|
||||
)
|
||||
}
|
||||
set {
|
||||
|
||||
let object = self.parentObject() as! O
|
||||
CoreStore.assert(
|
||||
object.rawObject!.isRunningInAllowedQueue() == true,
|
||||
"Attempted to access \(cs_typeName(O.self))'s value outside it's designated queue."
|
||||
)
|
||||
CoreStore.assert(
|
||||
object.rawObject!.isEditableInContext() == true,
|
||||
"Attempted to update a \(cs_typeName(O.self))'s value from outside a transaction."
|
||||
)
|
||||
self.customSetter(
|
||||
object,
|
||||
{ (newValue: V?) -> Void in
|
||||
|
||||
object.rawObject!.setValue(
|
||||
newValue,
|
||||
forKvcKey: self.keyPath
|
||||
)
|
||||
},
|
||||
newValue
|
||||
)
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
// MARK: AttributeProtocol
|
||||
|
||||
internal static var attributeType: NSAttributeType {
|
||||
|
||||
return .transformableAttributeType
|
||||
}
|
||||
|
||||
public let keyPath: KeyPath
|
||||
|
||||
internal let isOptional = false
|
||||
internal let isIndexed: Bool
|
||||
internal let isTransient: Bool
|
||||
internal let defaultValue: Any?
|
||||
|
||||
internal var parentObject: () -> CoreStoreObject = {
|
||||
|
||||
CoreStore.abort("Attempted to access values from a \(cs_typeName(O.self)) meta object. Meta objects are only used for querying keyPaths and infering types.")
|
||||
}
|
||||
|
||||
|
||||
// MARK: Private
|
||||
|
||||
private let customGetter: (_ `self`: O, _ getValue: () -> V?) -> V?
|
||||
private let customSetter: (_ `self`: O, _ setValue: (V?) -> Void, _ newValue: V?) -> Void
|
||||
}
|
||||
}
|
||||
|
||||
@@ -213,5 +460,5 @@ internal protocol AttributeProtocol: class {
|
||||
var isIndexed: Bool { get }
|
||||
var isTransient: Bool { get }
|
||||
var defaultValue: Any? { get }
|
||||
var accessRawObject: () -> NSManagedObject { get set }
|
||||
var parentObject: () -> CoreStoreObject { get set }
|
||||
}
|
||||
|
||||
Reference in New Issue
Block a user