NSMigrationManager
A migration manager instance that performs a migration of data from one persistent store to another using a given mapping model.
Declaration
class NSMigrationManagerTopics
Creating a Migration Manager
Getting the Manager’s Configuration
destinationContextdestinationModelmappingModelsourceContextsourceModeldestinationEntity(for:)sourceEntity(for:)
Customizing the Manager
Managing Sources and Destinations
associate(sourceInstance:withDestinationInstance:for:)destinationInstances(forEntityMappingName:sourceInstances:)sourceInstances(forEntityMappingName:destinationInstances:)
Performing a Migration
migrateStore(from:type:options:mapping:to:type:options:)migrateStore(from:sourceType:options:with:toDestinationURL:destinationType:destinationOptions:)