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Flatten file directories (fixes #159)
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125
Sources/CSStorageInterface.swift
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125
Sources/CSStorageInterface.swift
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//
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// CSStorageInterface.swift
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// CoreStore
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//
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// Copyright © 2016 John Rommel Estropia
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in all
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// copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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// SOFTWARE.
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//
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import Foundation
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import CoreData
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// MARK: - CSStorageInterface
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/**
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The `CSStorageInterface` serves as the Objective-C bridging type for `StorageInterface`.
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- SeeAlso: `StorageInterface`
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*/
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@objc
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public protocol CSStorageInterface {
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/**
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The string identifier for the `NSPersistentStore`'s `type` property. This is the same string CoreStore will use to create the `NSPersistentStore` from the `NSPersistentStoreCoordinator`'s `addPersistentStoreWithType(...)` method.
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*/
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@objc
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static var storeType: String { get }
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/**
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The configuration name in the model file
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*/
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@objc
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var configuration: String? { get }
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/**
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The options dictionary for the `NSPersistentStore`
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*/
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@objc
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var storeOptions: [AnyHashable: Any]? { get }
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}
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// MARK: - CSLocalStorageOptions
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/**
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The `CSLocalStorageOptions` provides settings that tells the `CSDataStack` how to setup the persistent store for `CSLocalStorage` implementers.
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- SeeAlso: `LocalStorageOptions`
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*/
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@objc
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public enum CSLocalStorageOptions: Int {
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/**
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Tells the `DataStack` that the store should not be migrated or recreated, and should simply fail on model mismatch
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*/
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case none = 0
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/**
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Tells the `DataStack` to delete and recreate the store on model mismatch, otherwise exceptions will be thrown on failure instead
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*/
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case recreateStoreOnModelMismatch = 1
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/**
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Tells the `DataStack` to prevent progressive migrations for the store
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*/
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case preventProgressiveMigration = 2
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/**
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Tells the `DataStack` to allow lightweight migration for the store when added synchronously
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*/
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case allowSynchronousLightweightMigration = 4
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}
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// MARK: - CSLocalStorage
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/**
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The `CSLocalStorage` serves as the Objective-C bridging type for `LocalStorage`.
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- SeeAlso: `LocalStorage`
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*/
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@objc
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public protocol CSLocalStorage: CSStorageInterface {
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/**
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The `NSURL` that points to the store file
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*/
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@objc
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var fileURL: URL { get }
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/**
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The `NSBundle`s from which to search mapping models for migrations
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*/
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@objc
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var mappingModelBundles: [Bundle] { get }
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/**
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Options that tell the `CSDataStack` how to setup the persistent store
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*/
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@objc
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var localStorageOptions: Int { get }
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/**
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Called by the `CSDataStack` to perform actual deletion of the store file from disk. Do not call directly! The `sourceModel` argument is a hint for the existing store's model version. Implementers can use the `sourceModel` to perform necessary store operations. (SQLite stores for example, can convert WAL journaling mode to DELETE before deleting)
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*/
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@objc
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func eraseStorageAndWait(metadata: NSDictionary, soureModelHint: NSManagedObjectModel?, error: NSErrorPointer) -> Bool
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}
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