This service interface offers JPA clients the ability to create instances of
EntityManagerFactory for a given named persistence unit. A service instance
will be created for each named persistence unit and can be filtered by
comparing the value of the osgi.unit.name property containing the persistence
This service is used specifically when the caller wants to pass in
factory-scoped properties as arguments. If no properties are being used in
the creation of the EntityManagerFactory then the basic EntityManagerFactory
service should be used.
The name of the persistence unit.
The version of the persistence unit bundle.
The class name of the provider that registered the service and implements
the JPA javax.persistence.PersistenceProvider interface.
Return an EntityManagerFactory instance configured according to the
properties defined in the corresponding persistence descriptor, as well
as the properties passed into the method.
props Properties to be used, in addition to those in the
persistence descriptor, for configuring the EntityManagerFactory
for the persistence unit.
- An EntityManagerFactory for the persistence unit associated with
this service. Must not be null.