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WIP: prototype for ManagedObjectProtocol

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This commit is contained in:
John Estropia
2017-04-05 21:56:19 +09:00
parent 258c237100
commit 8b77e4e5a0
44 changed files with 1244 additions and 823 deletions
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51
Sources/Transactions/BaseDataTransaction.swift
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@@ -45,32 +45,36 @@ public /*abstract*/ class BaseDataTransaction {
}
/**
Creates a new `NSManagedObject` with the specified entity type.
Creates a new `NSManagedObject` or `ManagedObject` with the specified entity type.
- parameter into: the `Into` clause indicating the destination `NSManagedObject` entity type and the destination configuration
- returns: a new `NSManagedObject` instance of the specified entity type.
- parameter into: the `Into` clause indicating the destination `NSManagedObject` or `ManagedObject` entity type and the destination configuration
- returns: a new `NSManagedObject` or `ManagedObject` instance of the specified entity type.
*/
public func create<T: NSManagedObject>(_ into: Into<T>) -> T {
public func create<T: ManagedObjectProtocol>(_ into: Into<T>) -> T {
let entityClass = (into.entityClass as! T.Type)
let entityClass = into.entityClass
CoreStore.assert(
self.isRunningInAllowedQueue(),
"Attempted to create an entity of type \(cs_typeName(entityClass)) outside its designated queue."
)
let context = self.context
let dataStack = context.parentStack!
let entityIdentifier = EntityIdentifier(entityClass)
if into.inferStoreIfPossible {
switch context.parentStack!.persistentStoreForEntityClass(
entityClass,
switch dataStack.persistentStore(
for: entityIdentifier,
configuration: nil,
inferStoreIfPossible: true
) {
case (let persistentStore?, _):
let object = entityClass.createInContext(context)
context.assign(object, to: persistentStore)
return object
return entityClass.cs_forceCreate(
entityDescription: dataStack.entityDescription(for: entityIdentifier)!,
into: context,
assignTo: persistentStore
)
case (nil, true):
CoreStore.abort("Attempted to create an entity of type \(cs_typeName(entityClass)) with ambiguous destination persistent store, but the configuration name was not specified.")
@@ -81,17 +85,19 @@ public /*abstract*/ class BaseDataTransaction {
}
else {
switch context.parentStack!.persistentStoreForEntityClass(
entityClass,
switch dataStack.persistentStore(
for: entityIdentifier,
configuration: into.configuration
?? type(of: into).defaultConfigurationName,
?? DataStack.defaultConfigurationName,
inferStoreIfPossible: false
) {
case (let persistentStore?, _):
let object = entityClass.createInContext(context)
context.assign(object, to: persistentStore)
return object
return entityClass.cs_forceCreate(
entityDescription: dataStack.entityDescription(for: entityIdentifier)!,
into: context,
assignTo: persistentStore
)
case (nil, true):
CoreStore.abort("Attempted to create an entity of type \(cs_typeName(entityClass)) with ambiguous destination persistent store, but the configuration name was not specified.")
@@ -143,7 +149,7 @@ public /*abstract*/ class BaseDataTransaction {
)
CoreStore.assert(
into.inferStoreIfPossible
|| (into.configuration ?? Into.defaultConfigurationName) == objectID.persistentStore?.configurationName,
|| (into.configuration ?? DataStack.defaultConfigurationName) == objectID.persistentStore?.configurationName,
"Attempted to update an entity of type \(cs_typeName(into.entityClass)) but the specified persistent store do not match the `NSManagedObjectID`."
)
return self.fetchExisting(objectID) as? T
@@ -160,11 +166,10 @@ public /*abstract*/ class BaseDataTransaction {
self.isRunningInAllowedQueue(),
"Attempted to delete an entity outside its designated queue."
)
guard let object = object else {
return
}
self.context.fetchExisting(object)?.deleteFromContext()
let context = self.context
object
.flatMap(context.fetchExisting)
.flatMap(context.delete)
}
/**
@@ -192,7 +197,7 @@ public /*abstract*/ class BaseDataTransaction {
)
let context = self.context
objects.forEach { context.fetchExisting($0)?.deleteFromContext() }
objects.forEach { context.fetchExisting($0).flatMap(context.delete) }
}
/**