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Big update. Migration tools in progress

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This commit is contained in:
John Rommel Estropia
2015-07-01 08:03:09 +09:00
parent 71c80c3497
commit 40f22761bf
53 changed files with 2177 additions and 970 deletions
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51
CoreStore/Setting Up/DataStack.swift
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@@ -45,42 +45,32 @@ public final class DataStack {
// MARK: Public
/**
Initializes a `DataStack` from a model created by merging all the models found in all bundles.
*/
public convenience init() {
let mergedModel: NSManagedObjectModel! = NSManagedObjectModel.mergedModelFromBundles(NSBundle.allBundles())
CoreStore.assert(mergedModel != nil, "Could not create a merged <\(NSManagedObjectModel.self)> from all bundles.")
self.init(managedObjectModel: mergedModel)
}
Initializes a `DataStack` from an `NSManagedObjectModel`.
/**
Initializes a `DataStack` from the specified model name.
:param: modelName the name of the (.xcdatamodeld) model file.
:param: modelName the name of the (.xcdatamodeld) model file. If not specified, the application name will be used
:param: sourceBundle an optional bundle to load models from. If not specified, the main bundle will be used.
:param: modelVersions the `MigrationChain` that indicates the heirarchy of the model's version names. If not specified, will default to a non-migrating data stack.
*/
public convenience init(modelName: String) {
public required init(modelName: String = applicationName, sourceBundle: NSBundle = NSBundle.mainBundle(), modelVersions: MigrationChain = nil) {
let modelFilePath: String! = NSBundle.mainBundle().pathForResource(modelName, ofType: "momd")
let modelFilePath: String! = sourceBundle.pathForResource(
modelName,
ofType: "momd"
)
CoreStore.assert(modelFilePath != nil, "Could not find a \"momd\" resource from the main bundle.")
let managedObjectModel: NSManagedObjectModel! = NSManagedObjectModel(contentsOfURL: NSURL(fileURLWithPath: modelFilePath)!)
CoreStore.assert(managedObjectModel != nil, "Could not create an <\(NSManagedObjectModel.self)> from the resource at path \"\(modelFilePath)\".")
self.init(managedObjectModel: managedObjectModel)
}
/**
Initializes a `DataStack` from an `NSManagedObjectModel`.
:param: managedObjectModel the `NSManagedObjectModel` of the (.xcdatamodeld) model file.
*/
public required init(managedObjectModel: NSManagedObjectModel) {
CoreStore.assert(
managedObjectModel != nil,
"Could not create an <\(NSManagedObjectModel.self)> from the resource at path \"\(modelFilePath)\"."
)
// TODO: assert existence of all model versions in the migrationChain
self.coordinator = NSPersistentStoreCoordinator(managedObjectModel: managedObjectModel)
self.rootSavingContext = NSManagedObjectContext.rootSavingContextForCoordinator(self.coordinator)
self.mainContext = NSManagedObjectContext.mainContextForRootContext(self.rootSavingContext)
self.sourceBundle = sourceBundle
self.modelVersions = modelVersions
var entityNameMapping = [EntityClassNameType: EntityNameType]()
var entityConfigurationsMapping = [EntityClassNameType: Set<String>]()
@@ -279,14 +269,17 @@ public final class DataStack {
internal let coordinator: NSPersistentStoreCoordinator
internal let rootSavingContext: NSManagedObjectContext
internal let mainContext: NSManagedObjectContext
internal let sourceBundle: NSBundle
internal let modelVersions: MigrationChain
internal let childTransactionQueue: GCDQueue = .createSerial("com.corestore.datastack.childtransactionqueue")
internal let migrationQueue: GCDQueue = .createSerial("com.corestore.datastack.migrationqueue")
internal func entityNameForEntityClass(entityClass: NSManagedObject.Type) -> String? {
internal func entityNameForEntityClass(entityClass: AnyClass) -> String? {
return self.entityNameMapping[NSStringFromClass(entityClass)]
}
internal func persistentStoresForEntityClass(entityClass: NSManagedObject.Type) -> [NSPersistentStore]? {
internal func persistentStoresForEntityClass(entityClass: AnyClass) -> [NSPersistentStore]? {
var returnValue: [NSPersistentStore]? = nil
self.storeMetadataUpdateQueue.barrierSync {
@@ -300,7 +293,7 @@ public final class DataStack {
return returnValue
}
internal func persistentStoreForEntityClass(entityClass: NSManagedObject.Type, configuration: String?, inferStoreIfPossible: Bool) -> (store: NSPersistentStore?, isAmbiguous: Bool) {
internal func persistentStoreForEntityClass(entityClass: AnyClass, configuration: String?, inferStoreIfPossible: Bool) -> (store: NSPersistentStore?, isAmbiguous: Bool) {
var returnValue: (store: NSPersistentStore?, isAmbiguous: Bool) = (store: nil, isAmbiguous: false)
self.storeMetadataUpdateQueue.barrierSync {