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Code Issues 95 Packages Projects Releases 10 Wiki Activity

WIP: Storage protocol

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This commit is contained in:
John Rommel Estropia
2016-03-02 08:02:33 +09:00
parent f71ad4c577
commit 99189d160f
12 changed files with 338 additions and 95 deletions
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10
CoreStore.xcodeproj/project.pbxproj
View File

@@ -271,6 +271,10 @@
B5FE4DA81C84FB4400FA6A91 /* InMemoryStore.swift in Sources */ = {isa = PBXBuildFile; fileRef = B5FE4DA61C84FB4400FA6A91 /* InMemoryStore.swift */; };
B5FE4DA91C84FB4400FA6A91 /* InMemoryStore.swift in Sources */ = {isa = PBXBuildFile; fileRef = B5FE4DA61C84FB4400FA6A91 /* InMemoryStore.swift */; };
B5FE4DAA1C84FB4400FA6A91 /* InMemoryStore.swift in Sources */ = {isa = PBXBuildFile; fileRef = B5FE4DA61C84FB4400FA6A91 /* InMemoryStore.swift */; };
B5FE4DAC1C85D44E00FA6A91 /* SQLiteStore.swift in Sources */ = {isa = PBXBuildFile; fileRef = B5FE4DAB1C85D44E00FA6A91 /* SQLiteStore.swift */; };
B5FE4DAD1C85D44E00FA6A91 /* SQLiteStore.swift in Sources */ = {isa = PBXBuildFile; fileRef = B5FE4DAB1C85D44E00FA6A91 /* SQLiteStore.swift */; };
B5FE4DAE1C85D44E00FA6A91 /* SQLiteStore.swift in Sources */ = {isa = PBXBuildFile; fileRef = B5FE4DAB1C85D44E00FA6A91 /* SQLiteStore.swift */; };
B5FE4DAF1C85D44E00FA6A91 /* SQLiteStore.swift in Sources */ = {isa = PBXBuildFile; fileRef = B5FE4DAB1C85D44E00FA6A91 /* SQLiteStore.swift */; };
/* End PBXBuildFile section */
/* Begin PBXContainerItemProxy section */
@@ -389,6 +393,7 @@
B5FAD6AD1B518DCB00714891 /* CoreStore+Migration.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = "CoreStore+Migration.swift"; sourceTree = "<group>"; };
B5FE4DA11C8481E100FA6A91 /* Storage.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = Storage.swift; sourceTree = "<group>"; };
B5FE4DA61C84FB4400FA6A91 /* InMemoryStore.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = InMemoryStore.swift; sourceTree = "<group>"; };
B5FE4DAB1C85D44E00FA6A91 /* SQLiteStore.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = SQLiteStore.swift; sourceTree = "<group>"; };
/* End PBXFileReference section */
/* Begin PBXFrameworksBuildPhase section */
@@ -703,6 +708,7 @@
children = (
B5FE4DA11C8481E100FA6A91 /* Storage.swift */,
B5FE4DA61C84FB4400FA6A91 /* InMemoryStore.swift */,
B5FE4DAB1C85D44E00FA6A91 /* SQLiteStore.swift */,
);
path = PersistentStores;
sourceTree = "<group>";
@@ -1013,6 +1019,7 @@
B5E84F2F1AFF849C0064E85B /* NotificationObserver.swift in Sources */,
B5F1DA8D1B9AA97D007C5CBB /* ImportableObject.swift in Sources */,
B56965241B356B820075EE4A /* MigrationResult.swift in Sources */,
B5FE4DAC1C85D44E00FA6A91 /* SQLiteStore.swift in Sources */,
2F291E2719C6D3CF007AF63F /* CoreStore.swift in Sources */,
B5E84F411AFF8CCD0064E85B /* ClauseTypes.swift in Sources */,
B5E84F0D1AFF847B0064E85B /* BaseDataTransaction+Querying.swift in Sources */,
@@ -1072,6 +1079,7 @@
82BA18AE1C4BBD3100A0916E /* DataStack+Transaction.swift in Sources */,
82BA18AB1C4BBD3100A0916E /* AsynchronousDataTransaction.swift in Sources */,
82BA18CE1C4BBD7100A0916E /* FetchedResultsControllerDelegate.swift in Sources */,
B5FE4DAD1C85D44E00FA6A91 /* SQLiteStore.swift in Sources */,
82BA18C51C4BBD5300A0916E /* ListObserver.swift in Sources */,
82BA18C21C4BBD5300A0916E /* ObjectMonitor.swift in Sources */,
82BA18A51C4BBD2200A0916E /* CoreStore+Setup.swift in Sources */,
@@ -1160,6 +1168,7 @@
B52DD1AD1BE1F93900949AFE /* Where.swift in Sources */,
B52DD1C41BE1F94600949AFE /* NSFileManager+Setup.swift in Sources */,
B52DD1AC1BE1F93900949AFE /* Select.swift in Sources */,
B5FE4DAF1C85D44E00FA6A91 /* SQLiteStore.swift in Sources */,
B52DD1971BE1F92500949AFE /* PersistentStoreResult.swift in Sources */,
B52DD1C71BE1F94600949AFE /* NSManagedObjectContext+Querying.swift in Sources */,
B52DD1C81BE1F94600949AFE /* NSManagedObjectContext+Setup.swift in Sources */,
@@ -1219,6 +1228,7 @@
B563219D1BD65216006C9394 /* DataStack+Observing.swift in Sources */,
B56321961BD65216006C9394 /* From.swift in Sources */,
B56321AA1BD6521C006C9394 /* AssociatedObjects.swift in Sources */,
B5FE4DAE1C85D44E00FA6A91 /* SQLiteStore.swift in Sources */,
B563218C1BD65216006C9394 /* DataStack+Transaction.swift in Sources */,
B563219E1BD65216006C9394 /* CoreStore+Observing.swift in Sources */,
B56321891BD65216006C9394 /* AsynchronousDataTransaction.swift in Sources */,

31
CoreStore/Convenience Helpers/NSFetchedResultsController+Convenience.swift
View File

@@ -45,6 +45,23 @@ public extension NSFetchedResultsController {
)
}
// MARK: Internal
internal static func createFromContext<T: NSManagedObject>(context: NSManagedObjectContext, fetchRequest: NSFetchRequest, from: From<T>? = nil, sectionBy: SectionBy? = nil, fetchClauses: [FetchClause]) -> NSFetchedResultsController {
return CoreStoreFetchedResultsController<T>(
context: context,
fetchRequest: fetchRequest,
from: from,
sectionBy: sectionBy,
fetchClauses: fetchClauses
)
}
// MARK: Deprecated
@available(*, deprecated=1.5.2, message="Use NSFetchedResultsController.createForStack(_:fetchRequest:from:sectionBy:fetchClauses:) to create NSFetchedResultsControllers directly")
public convenience init<T: NSManagedObject>(dataStack: DataStack, fetchRequest: NSFetchRequest, from: From<T>? = nil, sectionBy: SectionBy? = nil, fetchClauses: [FetchClause]) {
@@ -75,18 +92,4 @@ public extension NSFetchedResultsController {
cacheName: nil
)
}
// MARK: Internal
internal static func createFromContext<T: NSManagedObject>(context: NSManagedObjectContext, fetchRequest: NSFetchRequest, from: From<T>? = nil, sectionBy: SectionBy? = nil, fetchClauses: [FetchClause]) -> NSFetchedResultsController {
return CoreStoreFetchedResultsController<T>(
context: context,
fetchRequest: fetchRequest,
from: from,
sectionBy: sectionBy,
fetchClauses: fetchClauses
)
}
}

36
CoreStore/Saving and Processing/AsynchronousDataTransaction.swift
View File

@@ -189,24 +189,6 @@ public final class AsynchronousDataTransaction: BaseDataTransaction {
super.delete(objects)
}
/**
Rolls back the transaction by resetting the `NSManagedObjectContext`. After calling this method, all `NSManagedObjects` fetched within the transaction will become invalid. This method should not be used after the `commit()` method was already called once.
*/
@available(*, deprecated=1.3.4, obsoleted=2.0.0, message="Resetting the context is inherently unsafe. This method will be removed in the near future. Use `beginUnsafe()` to create transactions with `undo` support.")
public func rollback() {
CoreStore.assert(
!self.isCommitted,
"Attempted to rollback an already committed \(typeName(self))."
)
CoreStore.assert(
self.transactionQueue.isCurrentExecutionContext(),
"Attempted to rollback a \(typeName(self)) outside its designated queue."
)
self.context.reset()
}
// MARK: Internal
@@ -253,4 +235,22 @@ public final class AsynchronousDataTransaction: BaseDataTransaction {
// MARK: Private
private let closure: (transaction: AsynchronousDataTransaction) -> Void
// MARK: Deprecated
@available(*, deprecated=1.3.4, obsoleted=2.0.0, message="Resetting the context is inherently unsafe. This method will be removed in the near future. Use `beginUnsafe()` to create transactions with `undo` support.")
public func rollback() {
CoreStore.assert(
!self.isCommitted,
"Attempted to rollback an already committed \(typeName(self))."
)
CoreStore.assert(
self.transactionQueue.isCurrentExecutionContext(),
"Attempted to rollback a \(typeName(self)) outside its designated queue."
)
self.context.reset()
}
}

3
CoreStore/Saving and Processing/CoreStore+Transaction.swift
View File

@@ -71,6 +71,9 @@ public extension CoreStore {
self.defaultStack.refreshAllObjectsAsFaults()
}
// MARK: Deprecated
@available(*, deprecated=1.3.1, obsoleted=2.0.0, renamed="beginUnsafe")
@warn_unused_result
public static func beginDetached() -> UnsafeDataTransaction {

3
CoreStore/Saving and Processing/DataStack+Transaction.swift
View File

@@ -93,6 +93,9 @@ public extension DataStack {
self.mainContext.refreshAllObjectsAsFaults()
}
// MARK: Deprecated
@available(*, deprecated=1.3.1, obsoleted=2.0.0, renamed="beginUnsafe")
@warn_unused_result
public func beginDetached() -> UnsafeDataTransaction {

48
CoreStore/Saving and Processing/SynchronousDataTransaction.swift
View File

@@ -184,30 +184,6 @@ public final class SynchronousDataTransaction: BaseDataTransaction {
super.delete(objects)
}
/**
Rolls back the transaction by resetting the `NSManagedObjectContext`. After calling this method, all `NSManagedObjects` fetched within the transaction will become invalid. This method should not be used after the `commit()` method was already called once.
*/
@available(*, deprecated=1.3.4, obsoleted=2.0.0, message="Resetting the context is inherently unsafe. This method will be removed in the near future. Use `beginUnsafe()` to create transactions with `undo` support.")
public func rollback() {
CoreStore.assert(
!self.isCommitted,
"Attempted to rollback an already committed \(typeName(self))."
)
CoreStore.assert(
self.transactionQueue.isCurrentExecutionContext(),
"Attempted to rollback a \(typeName(self)) outside its designated queue."
)
self.context.reset()
}
@available(*, deprecated=1.5.2, renamed="commitAndWait")
public func commit() {
self.commitAndWait()
}
// MARK: Internal
@@ -239,4 +215,28 @@ public final class SynchronousDataTransaction: BaseDataTransaction {
// MARK: Private
private let closure: (transaction: SynchronousDataTransaction) -> Void
// MARK: Deprecated
@available(*, deprecated=1.3.4, obsoleted=2.0.0, message="Resetting the context is inherently unsafe. This method will be removed in the near future. Use `beginUnsafe()` to create transactions with `undo` support.")
public func rollback() {
CoreStore.assert(
!self.isCommitted,
"Attempted to rollback an already committed \(typeName(self))."
)
CoreStore.assert(
self.transactionQueue.isCurrentExecutionContext(),
"Attempted to rollback a \(typeName(self)) outside its designated queue."
)
self.context.reset()
}
@available(*, deprecated=1.5.2, renamed="commitAndWait")
public func commit() {
self.commitAndWait()
}
}

27
CoreStore/Saving and Processing/UnsafeDataTransaction.swift
View File

@@ -30,10 +30,6 @@ import CoreData
#endif
@available(*, deprecated=1.3.1, obsoleted=2.0.0, renamed="UnsafeDataTransaction")
public typealias DetachedDataTransaction = UnsafeDataTransaction
// MARK: - UnsafeDataTransaction
/**
@@ -131,13 +127,6 @@ public final class UnsafeDataTransaction: BaseDataTransaction {
return self.context
}
@available(*, deprecated=1.3.1, obsoleted=2.0.0, renamed="beginUnsafe")
@warn_unused_result
public func beginDetached() -> UnsafeDataTransaction {
return self.beginUnsafe()
}
// MARK: Internal
@@ -145,4 +134,20 @@ public final class UnsafeDataTransaction: BaseDataTransaction {
super.init(mainContext: mainContext, queue: queue, supportsUndo: supportsUndo, bypassesQueueing: true)
}
// MARK: Deprecated
@available(*, deprecated=1.3.1, obsoleted=2.0.0, renamed="beginUnsafe")
@warn_unused_result
public func beginDetached() -> UnsafeDataTransaction {
return self.beginUnsafe()
}
}
// MARK: Deprecated
@available(*, deprecated=1.3.1, obsoleted=2.0.0, renamed="UnsafeDataTransaction")
public typealias DetachedDataTransaction = UnsafeDataTransaction

30
CoreStore/Setting Up/CoreStore+Setup.swift
View File

@@ -59,14 +59,25 @@ public extension CoreStore {
}
/**
Adds an in-memory store to the `defaultStack`.
Creates a `Storage` of the specified store type with default values and adds it to the `defaultStack`. This method blocks until completion.
- parameter configuration: an optional configuration name from the model file. If not specified, defaults to `nil`.
- returns: the `NSPersistentStore` added to the stack.
- parameter storeType: the `Storage` type
- returns: the `Storage` added to the `defaultStack`
*/
public static func addInMemoryStoreAndWait(configuration configuration: String? = nil) throws -> NSPersistentStore {
public static func addStoreAndWait<T: Storage where T: DefaultInitializableStore>(storeType: T.Type) throws -> T {
return try self.defaultStack.addInMemoryStoreAndWait(configuration: configuration)
return try self.defaultStack.addStoreAndWait(storeType.init())
}
/**
Adds a `Storage` to the `defaultStack` and blocks until completion.
- parameter store: the `Storage`
- returns: the `Storage` added to the `defaultStack`
*/
public static func addStoreAndWait<T: Storage>(store: T) throws -> T {
return try self.defaultStack.addStoreAndWait(store)
}
/**
@@ -102,4 +113,13 @@ public extension CoreStore {
resetStoreOnModelMismatch: resetStoreOnModelMismatch
)
}
// MARK: Deprecated
@available(*, deprecated=2.0.0, message="Use addStoreAndWait(_:configuration:) by passing an InMemoryStore instance")
public static func addInMemoryStoreAndWait(configuration configuration: String? = nil) throws -> NSPersistentStore {
return try self.defaultStack.addInMemoryStoreAndWait(configuration: configuration)
}
}

37
CoreStore/Setting Up/DataStack.swift
View File

@@ -123,33 +123,33 @@ public final class DataStack {
return self.coordinator.managedObjectIDForURIRepresentation(url)
}
@available(*, deprecated=2.0.0, message="Use addStoreAndWait(_:configuration:) by passing an InMemoryStore instance")
public func addInMemoryStoreAndWait(configuration configuration: String? = nil) throws -> NSPersistentStore {
/**
Creates a `Storage` of the specified store type with default values and adds it to the stack. This method blocks until completion.
- parameter storeType: the `Storage` type
- returns: the `Storage` added to the stack
*/
public func addStoreAndWait<T: Storage where T: DefaultInitializableStore>(storeType: T.Type) throws -> T {
return try self.addStoreAndWait(InMemoryStore()).internalStore!
return try self.addStoreAndWait(storeType.init())
}
/**
Adds an in-memory store to the stack.
Adds a `Storage` to the stack and blocks until completion.
- parameter store: the `AtomicStore`.
- returns: the `AtomicStore` added to the stack.
- parameter store: the `Storage`
- returns: the `Storage` added to the stack
*/
public func addStoreAndWait<T: AtomicStore>(store: T) throws -> T {
public func addStoreAndWait<T: Storage>(store: T) throws -> T {
CoreStore.assert(
store.internalStore == nil,
"The specified store was already added to the data stack:\n\(store)"
"The specified store was already added to the data stack: \(store)"
)
do {
let persistentStore = try self.coordinator.addPersistentStoreSynchronously(
T.storeType,
configuration: store.configuration,
URL: store.storeURL,
options: nil
)
let persistentStore = try store.addToPersistentStoreCoordinatorSynchronously(self.coordinator)
self.updateMetadataForPersistentStore(persistentStore)
store.internalStore = persistentStore
return store
@@ -382,4 +382,13 @@ public final class DataStack {
let coordinator = self.coordinator
coordinator.persistentStores.forEach { _ = try? coordinator.removePersistentStore($0) }
}
// MARK: Deprecated
@available(*, deprecated=2.0.0, message="Use addStoreAndWait(_:configuration:) by passing an InMemoryStore instance")
public func addInMemoryStoreAndWait(configuration configuration: String? = nil) throws -> NSPersistentStore {
return try self.addStoreAndWait(InMemoryStore).internalStore!
}
}

16
CoreStore/Setting Up/PersistentStores/InMemoryStore.swift
View File

@@ -28,15 +28,23 @@ import CoreData
// MARK: - InMemoryStore
public class InMemoryStore: AtomicStore {
public class InMemoryStore: Storage, DefaultInitializableStore {
public required init(configuration: String? = nil) {
public required init(configuration: String?) {
self.configuration = configuration
}
// MARK: PersistentStore
// MARK: DefaultInitializableStore
public required init() {
self.configuration = nil
}
// MARK: Storage
public static let storeType = NSInMemoryStoreType
@@ -44,5 +52,7 @@ public class InMemoryStore: AtomicStore {
public let configuration: String?
public let storeOptions: [String: AnyObject]? = nil
public var internalStore: NSPersistentStore?
}

139
CoreStore/Setting Up/PersistentStores/SQLiteStore.swift Normal file
View File

@@ -0,0 +1,139 @@
//
// SQLiteStore.swift
// CoreStore
//
// Copyright © 2016 John Rommel Estropia
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in all
// copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
// SOFTWARE.
//
import CoreData
// MARK: - SQLiteStore
public class SQLiteStore: Storage, DefaultInitializableStore {
public static let defaultRootDirectory: NSURL = {
#if os(tvOS)
let systemDirectorySearchPath = NSSearchPathDirectory.CachesDirectory
#else
let systemDirectorySearchPath = NSSearchPathDirectory.ApplicationSupportDirectory
#endif
let defaultSystemDirectory = NSFileManager
.defaultManager()
.URLsForDirectory(systemDirectorySearchPath, inDomains: .UserDomainMask).first!
return defaultSystemDirectory.URLByAppendingPathComponent(
NSBundle.mainBundle().bundleIdentifier ?? "com.CoreStore.DataStack",
isDirectory: true
)
}()
public static let defaultFileURL: NSURL = {
let applicationName = (NSBundle.mainBundle().objectForInfoDictionaryKey("CFBundleName") as? String) ?? "CoreData"
return SQLiteStore.defaultRootDirectory
.URLByAppendingPathComponent(applicationName, isDirectory: false)
.URLByAppendingPathExtension("sqlite")
}()
public required init(fileURL: NSURL, configuration: String? = nil, resetStoreOnModelMismatch: Bool = false) {
self.fileURL = fileURL
self.configuration = configuration
self.resetStoreOnModelMismatch = resetStoreOnModelMismatch
}
public required init(fileName: String, configuration: String? = nil, resetStoreOnModelMismatch: Bool = false) {
self.fileURL = SQLiteStore.defaultRootDirectory
.URLByAppendingPathComponent(fileName, isDirectory: false)
self.configuration = configuration
self.resetStoreOnModelMismatch = resetStoreOnModelMismatch
}
// MARK: DefaultInitializableStore
public required init() {
self.fileURL = SQLiteStore.defaultFileURL
self.configuration = nil
self.resetStoreOnModelMismatch = false
}
// MARK: Storage
public static let storeType = NSSQLiteStoreType
public var storeURL: NSURL? {
return self.fileURL
}
public let configuration: String?
public let storeOptions: [String: AnyObject]? = [NSSQLitePragmasOption: ["journal_mode": "WAL"]]
public var internalStore: NSPersistentStore?
public func addToPersistentStoreCoordinatorSynchronously(coordinator: NSPersistentStoreCoordinator) throws -> NSPersistentStore {
let fileManager = NSFileManager.defaultManager()
do {
let fileURL = self.fileURL
try fileManager.createDirectoryAtURL(
fileURL.URLByDeletingLastPathComponent!,
withIntermediateDirectories: true,
attributes: nil
)
return try coordinator.addPersistentStoreSynchronously(
self.dynamicType.storeType,
configuration: self.configuration,
URL: fileURL,
options: self.storeOptions
)
}
catch let error as NSError where resetStoreOnModelMismatch && error.isCoreDataMigrationError {
fileManager.removeSQLiteStoreAtURL(fileURL)
return try coordinator.addPersistentStoreSynchronously(
self.dynamicType.storeType,
configuration: self.configuration,
URL: fileURL,
options: self.storeOptions
)
}
}
// MARK: Internal
internal let fileURL: NSURL
internal let resetStoreOnModelMismatch: Bool
}

53
CoreStore/Setting Up/PersistentStores/Storage.swift
View File

@@ -23,6 +23,8 @@
// SOFTWARE.
//
import CoreData
// MARK: - Storage
@@ -34,15 +36,54 @@ public protocol Storage: class {
var configuration: String? { get }
var storeOptions: [String: AnyObject]? { get }
var internalStore: NSPersistentStore? { get set }
func addToPersistentStoreCoordinatorSynchronously(coordinator: NSPersistentStoreCoordinator) throws -> NSPersistentStore
func addToPersistentStoreCoordinatorAsynchronously(coordinator: NSPersistentStoreCoordinator, completion: (NSPersistentStore) -> Void, failure: (NSError) -> Void) throws
}
public extension Storage {
public func addToPersistentStoreCoordinatorSynchronously(coordinator: NSPersistentStoreCoordinator) throws -> NSPersistentStore {
return try coordinator.addPersistentStoreSynchronously(
self.dynamicType.storeType,
configuration: self.configuration,
URL: self.storeURL,
options: self.storeOptions
)
}
public func addToPersistentStoreCoordinatorAsynchronously(coordinator: NSPersistentStoreCoordinator, completion: (NSPersistentStore) -> Void, failure: (NSError) -> Void) throws {
coordinator.performBlock {
do {
let persistentStore = try coordinator.addPersistentStoreWithType(
self.dynamicType.storeType,
configuration: self.configuration,
URL: self.storeURL,
options: self.storeOptions
)
completion(persistentStore)
}
catch {
failure(error as NSError)
}
}
}
}
// MARK: - AtomicStore
// MARK: - DefaultInitializableStore
public protocol AtomicStore: Storage { }
public protocol DefaultInitializableStore: Storage {
init()
}
// MARK: - IncrementalStore
public protocol IncrementalStore: Storage { }