Files
CoreStore-JohnEstropia/Sources/InMemoryStore.swift
2018-09-15 12:56:08 +09:00

92 lines
2.8 KiB
Swift

//
// InMemoryStore.swift
// CoreStore
//
// Copyright © 2018 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: - InMemoryStore
/**
A storage interface that is backed only in memory.
*/
public final class InMemoryStore: StorageInterface {
/**
Initializes an `InMemoryStore` for the specified configuration
- parameter configuration: an optional configuration name from the model file. If not specified, defaults to `nil`, the "Default" configuration.
*/
public init(configuration: ModelConfiguration) {
self.configuration = configuration
}
/**
Initializes an `InMemoryStore` with the "Default" configuration
*/
public init() {
self.configuration = nil
}
// MARK: StorageInterface
/**
The string identifier for the `NSPersistentStore`'s `type` property. For `InMemoryStore`s, this is always set to `NSInMemoryStoreType`.
*/
public static let storeType = NSInMemoryStoreType
/**
The configuration name in the model file
*/
public let configuration: ModelConfiguration
/**
The options dictionary for the `NSPersistentStore`. For `InMemoryStore`s, this is always set to `nil`.
*/
public let storeOptions: [AnyHashable: Any]? = nil
/**
Do not call directly. Used by the `DataStack` internally.
*/
public func cs_didAddToDataStack(_ dataStack: DataStack) {
self.dataStack = dataStack
}
/**
Do not call directly. Used by the `DataStack` internally.
*/
public func cs_didRemoveFromDataStack(_ dataStack: DataStack) {
self.dataStack = nil
}
// MARK: Private
private weak var dataStack: DataStack?
}