EntityManagerFactory createEntityManagerFactory(
  String emName, 
  Map<?,?> map
)

Parameters:

emName - the name of the persistence unit

map - a Map of properties for use by the persistence provider. These properties may be used to override the values of the corresponding elements in the {@code persistence.xml} file or specify values for properties not specified in the {@code persistence.xml} (and may be null if no properties are specified).

Return:

EntityManagerFactory for the persistence unit, or null if the provider is not the right provider

See Also:

createEntityManagerFactory()

Since:

JPA 1.0