createContainerEntityManagerFactory(info, map) - JPA PersistenceProvider's method

EntityManagerFactory createContainerEntityManagerFactory(
  PersistenceUnitInfo info,
  Map map

Called by the container when an EntityManagerFactory is to be created.
info - metadata for use by the persistence provider
map - a Map of integration-level properties for use by the persistence provider (may be null if no properties are specified). If a Bean Validation provider is present in the classpath, the container must pass the ValidatorFactory instance in the map with the key "javax.persistence.validation.factory".
EntityManagerFactory for the persistence unit specified by the metadata
JPA 1.0

This documentation page is derived (with some adjustments) from the open source JPA 2 RI (EclipseLink)
and is available under the terms of the Eclipse Public License, v. 1.0 and Eclipse Distribution License, v. 1.0.
Object Relational Mapping (ORM) JPA 2 providers include Hibernate, EclipseLink, TopLink, OpenJPA and DataNucleus.
ObjectDB is not an ORM JPA implementation but an Object Database for Java with built in JPA 2 support.