org.apache.openejb.persistence
Interfaces 
PersistenceClassLoaderHandler
Classes 
EntityManagerTxKey
JtaEntityManager
JtaEntityManager.Timer
JtaEntityManagerRegistry
JtaQuery
PersistenceBootstrap
PersistenceBootstrap.Transformer
PersistenceUnitInfoImpl
PersistenceUnitInfoImpl.PersistenceClassFileTransformer
Exceptions 
EntityManagerAlreadyRegisteredException