Heavyweight Migration

A migration manager instance that performs a migration of data from one persistent store to another using a given mapping model.

A model instance that specifies how to map a model from a source to a destination managed object model.

A mapping instance that specifies how to map an entity from a source to a destination managed object model.

A policy instance that customizes the migration process for an entity mapping.

The types for mapping an entity between a source model and a destination model.

A mapping instance that specifies in a model how to map from a property in a source entity to a property in a destination entity.

Request lightweight (automatic) migration to update your data model to match changes in your app.