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Code Issues 95 Packages Projects Releases 10 Wiki Activity

added ObjectSnapshot as foundation for datasources API

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This commit is contained in:
John Estropia
2019-07-10 08:11:42 +09:00
parent cf46b45e8e
commit 79655ffde5
50 changed files with 434 additions and 81 deletions
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35
Sources/CoreStoreObject.swift
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@@ -69,7 +69,10 @@ open /*abstract*/ class CoreStoreObject: DynamicObject, Hashable {
self.isMeta = false
self.rawObject = (rawObject as! CoreStoreManagedObject)
self.initializeAttributes(Mirror(reflecting: self), self)
self.registerReceiver(
mirror: Mirror(reflecting: self),
object: self
)
}
/**
@@ -93,7 +96,7 @@ open /*abstract*/ class CoreStoreObject: DynamicObject, Hashable {
}
if lhs.isMeta {
return cs_dynamicType(of: lhs) == cs_dynamicType(of: rhs)
return lhs.runtimeType() == rhs.runtimeType()
}
return lhs.rawObject!.isEqual(rhs.rawObject!)
}
@@ -117,18 +120,24 @@ open /*abstract*/ class CoreStoreObject: DynamicObject, Hashable {
// MARK: Private
private func initializeAttributes(_ mirror: Mirror, _ parentObject: CoreStoreObject) {
private func registerReceiver(mirror: Mirror, object: CoreStoreObject) {
_ = mirror.superclassMirror.flatMap({ self.initializeAttributes($0, parentObject) })
if let superclassMirror = mirror.superclassMirror {
self.registerReceiver(
mirror: superclassMirror,
object: object
)
}
for child in mirror.children {
switch child.value {
case let property as AttributeProtocol:
property.rawObject = parentObject.rawObject
property.rawObject = object.rawObject
case let property as RelationshipProtocol:
property.rawObject = parentObject.rawObject
property.rawObject = object.rawObject
default:
continue
@@ -158,14 +167,14 @@ extension DynamicObject where Self: CoreStoreObject {
// MARK: Internal
internal static var meta: Self {
let key = ObjectIdentifier(self)
if case let meta as Self = Static.metaCache[key] {
let cacheKey = ObjectIdentifier(self)
if case let meta as Self = Static.metaCache[cacheKey] {
return meta
}
let meta = self.init(asMeta: ())
Static.metaCache[key] = meta
Static.metaCache[cacheKey] = meta
return meta
}
}
@@ -174,6 +183,8 @@ extension DynamicObject where Self: CoreStoreObject {
// MARK: - Static
fileprivate enum Static {
// MARK: FilePrivate
fileprivate static var metaCache: [ObjectIdentifier: Any] = [:]
}