horseshoe7 horseshoe7

horseshoe7 / gist:0083ce48cba98ae107a18de06a39767f

Created September 13, 2017 08:34

Initialization of Core Data stack that needs a manual migration from 2 different models and stores:

	// see also this gist: https://gist.github.com/horseshoe7/e85bbb90278f626bea2f827ee5228703
	// and a post about Core Data migrations at http://horseshoe7.wordpress.com

	import Foundation
	import CoreData

	class CoreDataStackHelper : NSObject, MHWMigrationManagerDelegate {

	var currentModelStoreURL: URL? = nil

horseshoe7 / gist:e85bbb90278f626bea2f827ee5228703

Last active April 27, 2021 08:33

Incremental MHWMigrationManager extended for optional finalDestinationURL

	#import <Foundation/Foundation.h>
	#import <CoreData/CoreData.h>

	@class MHWMigrationManager;

	@protocol MHWMigrationManagerDelegate <NSObject>

	NS_ASSUME_NONNULL_BEGIN
	@optional
	- (void)migrationManager:(MHWMigrationManager *)migrationManager migrationProgress:(float)migrationProgress;