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Code Issues 95 Packages Projects Releases 10 Wiki Activity

NSFetchRequest.affectedStores bug workaround

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John Estropia
2016-09-27 19:02:24 +09:00
parent 2e44f86eb6
commit a9c0feae46
7 changed files with 52 additions and 60 deletions
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6
Sources/Observing/ListMonitor.swift
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@@ -1015,7 +1015,7 @@ public final class ListMonitor<T: NSManagedObject>: Hashable {
private init(context: NSManagedObjectContext, transactionQueue: DispatchQueue, from: From<T>, sectionBy: SectionBy?, applyFetchClauses: @escaping (_ fetchRequest: NSFetchRequest<NSManagedObject>) -> Void, createAsynchronously: ((ListMonitor<T>) -> Void)?) {
let fetchRequest = CoreStoreFetchRequest<T>()
let fetchRequest = CoreStoreFetchRequest()
fetchRequest.fetchLimit = 0
fetchRequest.resultType = .managedObjectResultType
fetchRequest.fetchBatchSize = 20
@@ -1068,7 +1068,7 @@ public final class ListMonitor<T: NSManagedObject>: Hashable {
self.isPersistentStoreChanging = true
guard let removedStores = (note.userInfo?[NSRemovedPersistentStoresKey] as? [NSPersistentStore]).flatMap(Set.init),
!Set((self.fetchedResultsController.fetchRequest as! CoreStoreFetchRequest).affectedStores ?? []).intersection(removedStores).isEmpty else {
!Set((self.fetchedResultsController.fetchRequest as Any as! CoreStoreFetchRequest).safeAffectedStores ?? []).intersection(removedStores).isEmpty else {
return
}
@@ -1089,7 +1089,7 @@ public final class ListMonitor<T: NSManagedObject>: Hashable {
if !self.isPendingRefetch {
let previousStores = Set((self.fetchedResultsController.fetchRequest as! CoreStoreFetchRequest).safeAffectedStores ?? [])
let previousStores = Set((self.fetchedResultsController.fetchRequest as Any as! CoreStoreFetchRequest).safeAffectedStores ?? [])
let currentStores = previousStores
.subtracting(note.userInfo?[NSRemovedPersistentStoresKey] as? [NSPersistentStore] ?? [])
.union(note.userInfo?[NSAddedPersistentStoresKey] as? [NSPersistentStore] ?? [])

2
Sources/Observing/ObjectMonitor.swift
View File

@@ -220,7 +220,7 @@ public final class ObjectMonitor<EntityType: NSManagedObject> {
private init(context: NSManagedObjectContext, object: EntityType) {
let fetchRequest = CoreStoreFetchRequest<EntityType>()
let fetchRequest = CoreStoreFetchRequest()
fetchRequest.entity = object.entity
fetchRequest.fetchLimit = 0
fetchRequest.resultType = .managedObjectResultType