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Code Issues 95 Packages Projects Releases 10 Wiki Activity

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John Estropia
2026-07-15 11:50:43 +09:00
parent 7db1cfecfb
commit 890e150b95
135 changed files with 2895 additions and 2526 deletions
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Sources/ListMonitor.swift
+76 -56
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@@ -66,7 +66,7 @@ import CoreData
```
In the example above, both `person1` and `person2` will contain the object at section=2, index=3.
*/
public final class ListMonitor<O: DynamicObject>: Hashable, @unchecked Sendable {
public final class ListMonitor<O: DynamicObject>: Hashable, Sendable {
// MARK: Public (Accessors)
@@ -386,8 +386,10 @@ public final class ListMonitor<O: DynamicObject>: Hashable, @unchecked Sendable
- parameter observer: a `ListObserver` to send change notifications to
*/
@MainActor
public func addObserver<U: ListObserver>(_ observer: U) where U.ListEntityType == O {
let managedObjectContext = self.managedObjectContext
self.unregisterObserver(observer)
self.registerObserver(
observer,
@@ -395,28 +397,28 @@ public final class ListMonitor<O: DynamicObject>: Hashable, @unchecked Sendable
observer.listMonitorWillChange(
monitor,
sourceIdentifier: monitor.fetchedResultsController.managedObjectContext.saveMetadata?.sourceIdentifier
sourceIdentifier: managedObjectContext.saveMetadata?.sourceIdentifier
)
},
didChange: { (observer, monitor) in
observer.listMonitorDidChange(
monitor,
sourceIdentifier: monitor.fetchedResultsController.managedObjectContext.saveMetadata?.sourceIdentifier
sourceIdentifier: managedObjectContext.saveMetadata?.sourceIdentifier
)
},
willRefetch: { (observer, monitor) in
observer.listMonitorWillRefetch(
monitor,
sourceIdentifier: monitor.fetchedResultsController.managedObjectContext.saveMetadata?.sourceIdentifier
sourceIdentifier: managedObjectContext.saveMetadata?.sourceIdentifier
)
},
didRefetch: { (observer, monitor) in
observer.listMonitorDidRefetch(
monitor,
sourceIdentifier: monitor.fetchedResultsController.managedObjectContext.saveMetadata?.sourceIdentifier
sourceIdentifier: managedObjectContext.saveMetadata?.sourceIdentifier
)
}
)
@@ -433,8 +435,10 @@ public final class ListMonitor<O: DynamicObject>: Hashable, @unchecked Sendable
- parameter observer: a `ListObjectObserver` to send change notifications to
*/
@MainActor
public func addObserver<U: ListObjectObserver>(_ observer: U) where U.ListEntityType == O {
let managedObjectContext = self.managedObjectContext
self.unregisterObserver(observer)
self.registerObserver(
observer,
@@ -442,28 +446,28 @@ public final class ListMonitor<O: DynamicObject>: Hashable, @unchecked Sendable
observer.listMonitorWillChange(
monitor,
sourceIdentifier: monitor.fetchedResultsController.managedObjectContext.saveMetadata?.sourceIdentifier
sourceIdentifier: managedObjectContext.saveMetadata?.sourceIdentifier
)
},
didChange: { (observer, monitor) in
observer.listMonitorDidChange(
monitor,
sourceIdentifier: monitor.fetchedResultsController.managedObjectContext.saveMetadata?.sourceIdentifier
sourceIdentifier: managedObjectContext.saveMetadata?.sourceIdentifier
)
},
willRefetch: { (observer, monitor) in
observer.listMonitorWillRefetch(
monitor,
sourceIdentifier: monitor.fetchedResultsController.managedObjectContext.saveMetadata?.sourceIdentifier
sourceIdentifier: managedObjectContext.saveMetadata?.sourceIdentifier
)
},
didRefetch: { (observer, monitor) in
observer.listMonitorDidRefetch(
monitor,
sourceIdentifier: monitor.fetchedResultsController.managedObjectContext.saveMetadata?.sourceIdentifier
sourceIdentifier: managedObjectContext.saveMetadata?.sourceIdentifier
)
}
)
@@ -475,7 +479,7 @@ public final class ListMonitor<O: DynamicObject>: Hashable, @unchecked Sendable
monitor,
didInsertObject: object,
toIndexPath: toIndexPath,
sourceIdentifier: monitor.fetchedResultsController.managedObjectContext.saveMetadata?.sourceIdentifier
sourceIdentifier: managedObjectContext.saveMetadata?.sourceIdentifier
)
},
didDeleteObject: { (observer, monitor, object, fromIndexPath) in
@@ -484,7 +488,7 @@ public final class ListMonitor<O: DynamicObject>: Hashable, @unchecked Sendable
monitor,
didDeleteObject: object,
fromIndexPath: fromIndexPath,
sourceIdentifier: monitor.fetchedResultsController.managedObjectContext.saveMetadata?.sourceIdentifier
sourceIdentifier: managedObjectContext.saveMetadata?.sourceIdentifier
)
},
didUpdateObject: { (observer, monitor, object, atIndexPath) in
@@ -493,7 +497,7 @@ public final class ListMonitor<O: DynamicObject>: Hashable, @unchecked Sendable
monitor,
didUpdateObject: object,
atIndexPath: atIndexPath,
sourceIdentifier: monitor.fetchedResultsController.managedObjectContext.saveMetadata?.sourceIdentifier
sourceIdentifier: managedObjectContext.saveMetadata?.sourceIdentifier
)
},
didMoveObject: { (observer, monitor, object, fromIndexPath, toIndexPath) in
@@ -503,7 +507,7 @@ public final class ListMonitor<O: DynamicObject>: Hashable, @unchecked Sendable
didMoveObject: object,
fromIndexPath: fromIndexPath,
toIndexPath: toIndexPath,
sourceIdentifier: monitor.fetchedResultsController.managedObjectContext.saveMetadata?.sourceIdentifier
sourceIdentifier: managedObjectContext.saveMetadata?.sourceIdentifier
)
}
)
@@ -520,8 +524,10 @@ public final class ListMonitor<O: DynamicObject>: Hashable, @unchecked Sendable
- parameter observer: a `ListSectionObserver` to send change notifications to
*/
@MainActor
public func addObserver<U: ListSectionObserver>(_ observer: U) where U.ListEntityType == O {
let managedObjectContext = self.managedObjectContext
self.unregisterObserver(observer)
self.registerObserver(
observer,
@@ -529,28 +535,28 @@ public final class ListMonitor<O: DynamicObject>: Hashable, @unchecked Sendable
observer.listMonitorWillChange(
monitor,
sourceIdentifier: monitor.fetchedResultsController.managedObjectContext.saveMetadata?.sourceIdentifier
sourceIdentifier: managedObjectContext.saveMetadata?.sourceIdentifier
)
},
didChange: { (observer, monitor) in
observer.listMonitorDidChange(
monitor,
sourceIdentifier: monitor.fetchedResultsController.managedObjectContext.saveMetadata?.sourceIdentifier
sourceIdentifier: managedObjectContext.saveMetadata?.sourceIdentifier
)
},
willRefetch: { (observer, monitor) in
observer.listMonitorWillRefetch(
monitor,
sourceIdentifier: monitor.fetchedResultsController.managedObjectContext.saveMetadata?.sourceIdentifier
sourceIdentifier: managedObjectContext.saveMetadata?.sourceIdentifier
)
},
didRefetch: { (observer, monitor) in
observer.listMonitorDidRefetch(
monitor,
sourceIdentifier: monitor.fetchedResultsController.managedObjectContext.saveMetadata?.sourceIdentifier
sourceIdentifier: managedObjectContext.saveMetadata?.sourceIdentifier
)
}
)
@@ -562,7 +568,7 @@ public final class ListMonitor<O: DynamicObject>: Hashable, @unchecked Sendable
monitor,
didInsertObject: object,
toIndexPath: toIndexPath,
sourceIdentifier: monitor.fetchedResultsController.managedObjectContext.saveMetadata?.sourceIdentifier
sourceIdentifier: managedObjectContext.saveMetadata?.sourceIdentifier
)
},
didDeleteObject: { (observer, monitor, object, fromIndexPath) in
@@ -571,7 +577,7 @@ public final class ListMonitor<O: DynamicObject>: Hashable, @unchecked Sendable
monitor,
didDeleteObject: object,
fromIndexPath: fromIndexPath,
sourceIdentifier: monitor.fetchedResultsController.managedObjectContext.saveMetadata?.sourceIdentifier
sourceIdentifier: managedObjectContext.saveMetadata?.sourceIdentifier
)
},
didUpdateObject: { (observer, monitor, object, atIndexPath) in
@@ -580,7 +586,7 @@ public final class ListMonitor<O: DynamicObject>: Hashable, @unchecked Sendable
monitor,
didUpdateObject: object,
atIndexPath: atIndexPath,
sourceIdentifier: monitor.fetchedResultsController.managedObjectContext.saveMetadata?.sourceIdentifier
sourceIdentifier: managedObjectContext.saveMetadata?.sourceIdentifier
)
},
didMoveObject: { (observer, monitor, object, fromIndexPath, toIndexPath) in
@@ -590,7 +596,7 @@ public final class ListMonitor<O: DynamicObject>: Hashable, @unchecked Sendable
didMoveObject: object,
fromIndexPath: fromIndexPath,
toIndexPath: toIndexPath,
sourceIdentifier: monitor.fetchedResultsController.managedObjectContext.saveMetadata?.sourceIdentifier
sourceIdentifier: managedObjectContext.saveMetadata?.sourceIdentifier
)
}
)
@@ -602,7 +608,7 @@ public final class ListMonitor<O: DynamicObject>: Hashable, @unchecked Sendable
monitor,
didInsertSection: sectionInfo,
toSectionIndex: toIndex,
sourceIdentifier: monitor.fetchedResultsController.managedObjectContext.saveMetadata?.sourceIdentifier
sourceIdentifier: managedObjectContext.saveMetadata?.sourceIdentifier
)
},
didDeleteSection: { (observer, monitor, sectionInfo, fromIndex) in
@@ -611,7 +617,7 @@ public final class ListMonitor<O: DynamicObject>: Hashable, @unchecked Sendable
monitor,
didDeleteSection: sectionInfo,
fromSectionIndex: fromIndex,
sourceIdentifier: monitor.fetchedResultsController.managedObjectContext.saveMetadata?.sourceIdentifier
sourceIdentifier: managedObjectContext.saveMetadata?.sourceIdentifier
)
}
)
@@ -624,6 +630,7 @@ public final class ListMonitor<O: DynamicObject>: Hashable, @unchecked Sendable
- parameter observer: a `ListObserver` to unregister notifications to
*/
@MainActor
public func removeObserver<U: ListObserver>(_ observer: U) where U.ListEntityType == O {
self.unregisterObserver(observer)
@@ -635,7 +642,7 @@ public final class ListMonitor<O: DynamicObject>: Hashable, @unchecked Sendable
/**
Returns `true` if a call to `refetch(...)` was made to the `ListMonitor` and is currently waiting for the fetching to complete. Returns `false` otherwise.
*/
public private(set) var isPendingRefetch = false
public nonisolated(unsafe) private(set) var isPendingRefetch = false
/**
Asks the `ListMonitor` to refetch its objects using the specified series of `FetchClause`s. Note that this method does not execute the fetch immediately; the actual fetching will happen after the `NSFetchedResultsController`'s last `controllerDidChangeContent(_:)` notification completes.
@@ -646,6 +653,7 @@ public final class ListMonitor<O: DynamicObject>: Hashable, @unchecked Sendable
- parameter sourceIdentifier: an optional value that identifies the source of this transaction. This identifier will be passed to the change notifications and callers can use it for custom handling that depends on the source.
- Important: Starting CoreStore 4.0, all `FetchClause`s required by the `ListMonitor` should be provided in the arguments list of `refetch(...)`.
*/
@MainActor
public func refetch(
_ fetchClauses: FetchClause...,
sourceIdentifier: (any Sendable)? = nil
@@ -666,6 +674,7 @@ public final class ListMonitor<O: DynamicObject>: Hashable, @unchecked Sendable
- parameter sourceIdentifier: an optional value that identifies the source of this transaction. This identifier will be passed to the change notifications and callers can use it for custom handling that depends on the source.
- Important: Starting CoreStore 4.0, all `FetchClause`s required by the `ListMonitor` should be provided in the arguments list of `refetch(...)`.
*/
@MainActor
public func refetch(
_ fetchClauses: [FetchClause],
sourceIdentifier: (any Sendable)? = nil
@@ -892,6 +901,7 @@ public final class ListMonitor<O: DynamicObject>: Hashable, @unchecked Sendable
)
}
@MainActor
internal func registerObserver<U: AnyObject & Sendable>(
_ observer: U,
willChange: @escaping @Sendable (
@@ -969,6 +979,7 @@ public final class ListMonitor<O: DynamicObject>: Hashable, @unchecked Sendable
)
}
@MainActor
internal func registerObserver<U: AnyObject & Sendable>(
_ observer: U,
didInsertObject: @escaping @Sendable (
@@ -1056,6 +1067,7 @@ public final class ListMonitor<O: DynamicObject>: Hashable, @unchecked Sendable
)
}
@MainActor
internal func registerObserver<U: AnyObject & Sendable>(
_ observer: U,
didInsertSection: @escaping @Sendable (
@@ -1104,6 +1116,7 @@ public final class ListMonitor<O: DynamicObject>: Hashable, @unchecked Sendable
)
}
@MainActor
internal func unregisterObserver(_ observer: AnyObject) {
Internals.assert(
@@ -1125,6 +1138,7 @@ public final class ListMonitor<O: DynamicObject>: Hashable, @unchecked Sendable
Internals.setAssociatedRetainedObject(nilValue, forKey: &self.didDeleteSectionKey, inObject: observer)
}
@MainActor
internal func refetch(
_ applyFetchClauses: @escaping (_ fetchRequest: Internals.CoreStoreFetchRequest<NSManagedObject>) -> Void,
sourceIdentifier: (any Sendable)?
@@ -1154,7 +1168,7 @@ public final class ListMonitor<O: DynamicObject>: Hashable, @unchecked Sendable
}
let (newFetchedResultsController, newFetchedResultsControllerDelegate) = Self.recreateFetchedResultsController(
context: self.fetchedResultsController.managedObjectContext,
context: self.managedObjectContext,
from: self.from,
sectionBy: self.sectionBy,
applyFetchClauses: self.applyFetchClauses
@@ -1216,32 +1230,34 @@ public final class ListMonitor<O: DynamicObject>: Hashable, @unchecked Sendable
// MARK: Private
fileprivate var fetchedResultsController: Internals.CoreStoreFetchedResultsController
fileprivate let taskGroup = DispatchGroup()
internal let sectionByIndexTransformer: (_ sectionName: KeyPathString?) -> String?
private let managedObjectContext: NSManagedObjectContext
private let taskGroup = DispatchGroup()
private let sectionByIndexTransformer: @Sendable (_ sectionName: KeyPathString?) -> String?
private let isSectioned: Bool
private var willChangeListKey: Void?
private var didChangeListKey: Void?
private var willRefetchListKey: Void?
private var didRefetchListKey: Void?
private var didInsertObjectKey: Void?
private var didDeleteObjectKey: Void?
private var didUpdateObjectKey: Void?
private var didMoveObjectKey: Void?
private var didInsertSectionKey: Void?
private var didDeleteSectionKey: Void?
private var fetchedResultsControllerDelegate: Internals.FetchedResultsControllerDelegate
private var observerForWillChangePersistentStore: Internals.NotificationObserver!
private var observerForDidChangePersistentStore: Internals.NotificationObserver!
private let transactionQueue: DispatchQueue
private var applyFetchClauses: (_ fetchRequest: Internals.CoreStoreFetchRequest<NSManagedObject>) -> Void
private var isPersistentStoreChanging: Bool = false {
private nonisolated(unsafe) var applyFetchClauses: (_ fetchRequest: Internals.CoreStoreFetchRequest<NSManagedObject>) -> Void
private nonisolated(unsafe) var willChangeListKey: Void?
private nonisolated(unsafe) var didChangeListKey: Void?
private nonisolated(unsafe) var willRefetchListKey: Void?
private nonisolated(unsafe) var didRefetchListKey: Void?
private nonisolated(unsafe) var didInsertObjectKey: Void?
private nonisolated(unsafe) var didDeleteObjectKey: Void?
private nonisolated(unsafe) var didUpdateObjectKey: Void?
private nonisolated(unsafe) var didMoveObjectKey: Void?
private nonisolated(unsafe) var didInsertSectionKey: Void?
private nonisolated(unsafe) var didDeleteSectionKey: Void?
private nonisolated(unsafe) var observerForWillChangePersistentStore: Internals.NotificationObserver!
private nonisolated(unsafe) var observerForDidChangePersistentStore: Internals.NotificationObserver!
private nonisolated(unsafe) var fetchedResultsController: Internals.CoreStoreFetchedResultsController
private nonisolated(unsafe) var fetchedResultsControllerDelegate: Internals.FetchedResultsControllerDelegate
private nonisolated(unsafe) var isPersistentStoreChanging: Bool = false {
didSet {
@@ -1302,18 +1318,21 @@ public final class ListMonitor<O: DynamicObject>: Hashable, @unchecked Sendable
from: From<O>,
sectionBy: SectionBy<O>?,
applyFetchClauses: @escaping (_ fetchRequest: Internals.CoreStoreFetchRequest<NSManagedObject>) -> Void,
createAsynchronously: (@Sendable (ListMonitor<O>) -> Void)?
createAsynchronously: (@MainActor (ListMonitor<O>) -> Void)?
) {
self.managedObjectContext = context
self.isSectioned = (sectionBy != nil)
self.from = from
self.sectionBy = sectionBy
(self.fetchedResultsController, self.fetchedResultsControllerDelegate) = Self.recreateFetchedResultsController(
let (fetchedResultsController, fetchedResultsControllerDelegate) = Self.recreateFetchedResultsController(
context: context,
from: from,
sectionBy: sectionBy,
applyFetchClauses: applyFetchClauses
)
self.fetchedResultsController = fetchedResultsController
self.fetchedResultsControllerDelegate = fetchedResultsControllerDelegate
if let sectionIndexTransformer = sectionBy?.sectionIndexTransformer {
@@ -1325,7 +1344,7 @@ public final class ListMonitor<O: DynamicObject>: Hashable, @unchecked Sendable
}
self.transactionQueue = transactionQueue
self.applyFetchClauses = applyFetchClauses
self.fetchedResultsControllerDelegate.handler = self
fetchedResultsControllerDelegate.handler = self
guard let coordinator = context.parentStack?.coordinator else {
@@ -1335,8 +1354,7 @@ public final class ListMonitor<O: DynamicObject>: Hashable, @unchecked Sendable
self.observerForWillChangePersistentStore = Internals.NotificationObserver(
notificationName: NSNotification.Name.NSPersistentStoreCoordinatorStoresWillChange,
object: coordinator,
queue: OperationQueue.main,
closure: { [weak self] (note) -> Void in
closure: { @MainActor [weak self] (note) -> Void in
guard let self = self else {
@@ -1357,8 +1375,7 @@ public final class ListMonitor<O: DynamicObject>: Hashable, @unchecked Sendable
self.observerForDidChangePersistentStore = Internals.NotificationObserver(
notificationName: NSNotification.Name.NSPersistentStoreCoordinatorStoresDidChange,
object: coordinator,
queue: OperationQueue.main,
closure: { [weak self] (note) -> Void in
closure: { @MainActor [weak self] (note) -> Void in
guard let self = self else {
@@ -1389,7 +1406,10 @@ public final class ListMonitor<O: DynamicObject>: Hashable, @unchecked Sendable
try! self.fetchedResultsController.performFetchFromSpecifiedStores()
self.taskGroup.notify(queue: .main) {
createAsynchronously(self)
MainActor.assumeIsolated {
createAsynchronously(self)
}
}
}
}