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Code Issues 95 Packages Projects Releases 10 Wiki Activity

Refetch monitors when persistent stores are added/removed. Allow unsafe transactions to create their own monitors

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This commit is contained in:
John Rommel Estropia
2016-02-15 07:56:17 +09:00
parent e58b3b0131
commit 8efd6572f0
11 changed files with 534 additions and 62 deletions
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38
CoreStore/Fetching and Querying/Concrete Clauses/From.swift
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@@ -36,22 +36,25 @@ public struct From<T: NSManagedObject> {
// MARK: Public
/**
Initializes a `From` clause with the specified entity type and configuration.
Sample Usage:
let person = transaction.fetchOne(From<MyPersonEntity>())
*/
public init(){
self.entityClass = T.self
self.findPersistentStores = { _ in nil }
self.init(entityClass: T.self)
}
public init(_ entity: T.Type) {
self.entityClass = entity
self.findPersistentStores = { _ in nil }
self.init(entityClass: entity)
}
public init(_ entityClass: AnyClass) {
self.entityClass = entityClass
self.findPersistentStores = { _ in nil }
self.init(entityClass: entityClass)
}
public init(_ configuration: String?, otherConfigurations: String?...) {
@@ -147,10 +150,20 @@ public struct From<T: NSManagedObject> {
// MARK: Internal
internal func applyToFetchRequest(fetchRequest: NSFetchRequest, context: NSManagedObjectContext) {
internal func applyToFetchRequest(fetchRequest: NSFetchRequest, context: NSManagedObjectContext, applyAffectedStores: Bool = true) {
fetchRequest.entity = context.entityDescriptionForEntityClass(self.entityClass)
fetchRequest.affectedStores = self.findPersistentStores(context: context)
if applyAffectedStores {
self.applyAffectedStoresForFetchedRequest(fetchRequest, context: context)
}
}
internal func applyAffectedStoresForFetchedRequest(fetchRequest: NSFetchRequest, context: NSManagedObjectContext) -> Bool {
let stores = self.findPersistentStores(context: context)
fetchRequest.affectedStores = stores
return stores?.isEmpty == false
}
@@ -160,6 +173,15 @@ public struct From<T: NSManagedObject> {
private let findPersistentStores: (context: NSManagedObjectContext) -> [NSPersistentStore]?
private init(entityClass: AnyClass) {
self.entityClass = entityClass
self.findPersistentStores = { (context: NSManagedObjectContext) -> [NSPersistentStore]? in
return context.parentStack?.persistentStoresForEntityClass(entityClass)
}
}
private init(entityClass: AnyClass, configurations: [String?]) {
let configurationsSet = Set(configurations.map { $0 ?? Into.defaultConfigurationName })