# Uses of Package
org.springframework.orm.jpa.persistenceunit

- Packages that use org.springframework.orm.jpa.persistenceunit
  Package | Description
  --- | ---
  org.springframework.orm.jpa | Package providing integration of JPA (Java Persistence API) with Spring concepts.
  org.springframework.orm.jpa.persistenceunit | Internal support for managing JPA persistence units.

- Classes in org.springframework.orm.jpa.persistenceunit used by org.springframework.orm.jpa
  Class and Description
  PersistenceUnitManager Interface that defines an abstraction for finding and managing JPA PersistenceUnitInfos.
  PersistenceUnitPostProcessor Callback interface for post-processing a JPA PersistenceUnitInfo.

- Classes in org.springframework.orm.jpa.persistenceunit used by org.springframework.orm.jpa.persistenceunit
  Class and Description
  MutablePersistenceUnitInfo Spring's base implementation of the JPA `PersistenceUnitInfo` interface, used to bootstrap an `EntityManagerFactory` in a container.
  PersistenceUnitManager Interface that defines an abstraction for finding and managing JPA PersistenceUnitInfos.
  PersistenceUnitPostProcessor Callback interface for post-processing a JPA PersistenceUnitInfo.
  SmartPersistenceUnitInfo Extension of the standard JPA PersistenceUnitInfo interface, for advanced collaboration between Spring's `LocalContainerEntityManagerFactoryBean` and `PersistenceUnitManager` implementations.