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https://github.com/JohnEstropia/CoreStore.git
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47 lines
1.9 KiB
Swift
47 lines
1.9 KiB
Swift
//
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// MigrationResult.swift
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// CoreStore
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//
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// Copyright © 2018 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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// MARK: - MigrationResult
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/**
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The `MigrationResult` indicates the result of a migration.
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`MigrationResult.success` indicates either the migration succeeded, or there were no migrations needed. The associated value is an array of `MigrationType`s reflecting the migration steps completed.
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`MigrationResult.failure` indicates that the migration failed. The associated object for this value is the a `CoreStoreError` enum value.
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```
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dataStack.upgradeStorageIfNeeded(SQLiteStorage(fileName: "data.sqlite")) { (result) in
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switch result {
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case .success(let migrationSteps):
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// ...
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case .failure(let error):
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// ...
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}
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}
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```
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*/
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public typealias MigrationResult = Swift.Result<[MigrationType], CoreStoreError>
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