NSEntityMigrationPolicy
A policy instance that customizes the migration process for an entity mapping.
Declaration
class NSEntityMigrationPolicyOverview
You set the policy for an entity mapping by passing the name of the migration policy class as the argument to entityMigrationPolicyClassName. Typically, you specify the name in the Xcode mapping model editor.
Topics
Customizing Stages of the Mapping Life Cycle
begin(_:with:)createDestinationInstances(forSource:in:manager:)endInstanceCreation(forMapping:manager:)createRelationships(forDestination:in:manager:)endRelationshipCreation(forMapping:manager:)performCustomValidation(forMapping:manager:)end(_:manager:)