Interface PersistenceUnitManager
- All Known Implementing Classes:
DefaultPersistenceUnitManager
public interface PersistenceUnitManager
Interface that defines an abstraction for finding and managing JPA PersistenceUnitInfos. Used byLocalContainerEntityManagerFactoryBean
in order to obtain aPersistenceUnitInfo
for building a concreteEntityManagerFactory
.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:
DefaultPersistenceUnitManager
,LocalContainerEntityManagerFactoryBean.setPersistenceUnitManager(org.springframework.orm.jpa.persistenceunit.PersistenceUnitManager)
Method Summary
All Methods Instance Methods Abstract Methods Modifier and Type Method Description PersistenceUnitInfo
obtainDefaultPersistenceUnitInfo()
Obtain the default PersistenceUnitInfo from this manager.PersistenceUnitInfo
obtainPersistenceUnitInfo(String persistenceUnitName)
Obtain the specified PersistenceUnitInfo from this manager.
Method Detail
obtainDefaultPersistenceUnitInfo
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
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 definedIllegalStateException
- if the PersistenceUnitInfo with the given name has already been obtained