JPA Static Method
in javax.persistence.Persistence

EntityManagerFactory createEntityManagerFactory(
  String persistenceUnitName, 
  Map properties
)

Create and return an EntityManagerFactory for the named persistence unit using the given properties.
Parameters:
persistenceUnitName the - name of the persistence unit
properties Additional - properties to use when creating the factory. These properties may include properties to control schema generation. The values of these properties override any values that may have been configured elsewhere.
Return:
the factory that creates EntityManagers configured according to the specified persistence unit.
Since:
JPA 1.0