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78 lines
2.3 KiB
Swift
78 lines
2.3 KiB
Swift
//
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// Internals.MigrationManager.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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import CoreData
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// MARK: - Internal
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extension Internals {
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// MARK: - MigrationManager
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internal final class MigrationManager: NSMigrationManager, ProgressReporting {
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// MARK: NSObject
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override func didChangeValue(forKey key: String) {
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super.didChangeValue(forKey: key)
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guard key == #keyPath(NSMigrationManager.migrationProgress) else {
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return
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}
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let progress = self.progress
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progress.completedUnitCount = max(
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progress.completedUnitCount,
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Int64(Float(progress.totalUnitCount) * self.migrationProgress)
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)
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}
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// MARK: NSMigrationManager
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init(
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sourceModel: NSManagedObjectModel,
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destinationModel: NSManagedObjectModel,
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progress: Progress
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) {
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self.progress = progress
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super.init(
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sourceModel: sourceModel,
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destinationModel: destinationModel
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)
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}
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// MARK: ProgressReporting
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let progress: Progress
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}
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}
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