Interface PersistenceUnitManager

All Known Implementing Classes:
DefaultPersistenceUnitManager
public interface PersistenceUnitManager
Interface that defines an abstraction for finding and managing JPA PersistenceUnitInfos. Used by LocalContainerEntityManagerFactoryBean in order to obtain a PersistenceUnitInfo for building a concrete EntityManagerFactory.

Obtaining a PersistenceUnitInfo instance is an exclusive process. A PersistenceUnitInfo instance is not available for further calls anymore once it has been obtained.

Since:
2.0
Author:
Juergen Hoeller
See Also:

  • Method Summary

    Modifier and Type
    Method
    Description
    jakarta.persistence.spi.PersistenceUnitInfo
    obtainDefaultPersistenceUnitInfo()
    Obtain the default PersistenceUnitInfo from this manager.
    jakarta.persistence.spi.PersistenceUnitInfo
    obtainPersistenceUnitInfo(String persistenceUnitName)
    Obtain the specified PersistenceUnitInfo from this manager.

  • Method Details

    • obtainDefaultPersistenceUnitInfo

      jakarta.persistence.spi.PersistenceUnitInfo obtainDefaultPersistenceUnitInfo() throws IllegalStateException
      Obtain the default PersistenceUnitInfo from this manager.
      Returns:
      the PersistenceUnitInfo (never null)
      Throws:
      IllegalStateException - if there is no default PersistenceUnitInfo defined or it has already been obtained

    • obtainPersistenceUnitInfo

      jakarta.persistence.spi.PersistenceUnitInfo obtainPersistenceUnitInfo(String persistenceUnitName) throws IllegalArgumentException, IllegalStateException
      Obtain the specified PersistenceUnitInfo from this manager.
      Parameters:
      persistenceUnitName - the name of the desired persistence unit
      Returns:
      the PersistenceUnitInfo (never null)
      Throws:
      IllegalArgumentException - if no PersistenceUnitInfo with the given name is defined
      IllegalStateException - if the PersistenceUnitInfo with the given name has already been obtained