mirror of
https://github.com/JohnEstropia/CoreStore.git
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111 lines
3.2 KiB
Swift
111 lines
3.2 KiB
Swift
//
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// PersistentStoreResult.swift
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// HardcoreData
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//
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// Copyright (c) 2014 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: - PersistentStoreResult
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/**
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The `PersistentStoreResult` indicates the result of initializing the persistent store.
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The `PersistentStoreResult` can be treated as a boolean:
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let result = HardcoreData.addSQLiteStore()
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if result {
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// succeeded
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}
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else {
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// failed
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}
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or as an `enum`, where the resulting associated object can also be inspected:
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let result = HardcoreData.addSQLiteStore()
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switch result {
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case .Success(let persistentStore):
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// persistentStore is the related NSPersistentStore instance
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case .Failure(let error):
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// error is the NSError instance for the failure
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}
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```
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*/
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public enum PersistentStoreResult {
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// MARK: Public
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/**
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`PersistentStoreResult.Success` indicates that the persistent store process succeeded. The associated object for this `enum` value is the related `NSPersistentStore` instance.
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*/
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case Success(NSPersistentStore)
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/**
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`PersistentStoreResult.Failure` indicates that the persistent store process failed. The associated object for this value is the related `NSError` instance.
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*/
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case Failure(NSError)
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// MARK: Internal
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internal init(_ store: NSPersistentStore) {
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self = .Success(store)
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}
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internal init(_ error: NSError) {
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self = .Failure(error)
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}
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internal init(_ errorCode: HardcoreDataErrorCode) {
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self.init(errorCode, userInfo: nil)
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}
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internal init(_ errorCode: HardcoreDataErrorCode, userInfo: [NSObject: AnyObject]?) {
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self.init(NSError(
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hardcoreDataErrorCode: errorCode,
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userInfo: userInfo))
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}
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}
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// MARK: - PersistentStoreResult: BooleanType
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extension PersistentStoreResult: BooleanType {
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// MARK: Public
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public var boolValue: Bool {
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switch self {
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case .Success: return true
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case .Failure: return false
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}
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}
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}
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