org.fabric3.jpa.runtime.proxy
Class EntityManagerServiceImpl

java.lang.Object
  org.fabric3.jpa.runtime.proxy.EntityManagerServiceImpl

All Implemented Interfaces:

EntityManagerService

public class EntityManagerServiceImpl
extends Object
implements EntityManagerService

Manages a cache of EntityManagers.

EntityManager instances (and their underlying Hibernate Sessions) are cached for the duration of the associated JTA transaction and closed when the transaction commits or rolls back.

Version:

$Rev: 11083 $ $Date: 2012-06-21 10:38:50 +0000 (Thu, 21 Jun 2012) $

Constructor Summary

EntityManagerServiceImpl(EntityManagerFactoryCache emfCache)

Method Summary

javax.persistence.EntityManager

getEntityManager(String unitName, HibernateProxy proxy, Transaction transaction) Returns the EntityManager associated with the given transaction.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

EntityManagerServiceImpl

public EntityManagerServiceImpl(EntityManagerFactoryCache emfCache)

Method Detail

getEntityManager

public javax.persistence.EntityManager getEntityManager(String unitName,
                                                        HibernateProxy proxy,
                                                        Transaction transaction)
                                                 throws EntityManagerCreationException

Description copied from interface: EntityManagerService

Returns the EntityManager associated with the given transaction.

Specified by:

getEntityManager in interface EntityManagerService

Parameters:

unitName - the persistence unit name

proxy - the proxy requesting the EntityManager

transaction - the transaction

Returns:

the EntityManager

Throws:

EntityManagerCreationException - if an error creating the EntityManager is encountered