org.fabric3.jpa.runtime.emf

Interface EntityManagerFactoryCache

All Known Implementing Classes:

DefaultEntityManagerFactoryCache

public interface EntityManagerFactoryCache

A cache of EntityManagerFactory instances.

Method Summary

Modifier and Type	Method and Description
javax.persistence.EntityManagerFactory	get(java.lang.String unitName) Returns the EntityManagerFactory for the given persistence unit name
void	put(java.net.URI uri, java.lang.String unitName, javax.persistence.EntityManagerFactory factory) Caches an EntityManagerFactory.

Method Detail

get

javax.persistence.EntityManagerFactory get(java.lang.String unitName)

Returns the EntityManagerFactory for the given persistence unit name

Parameters:

unitName - the persistence unit name

Returns:

the EntityManagerFactory or null if one has not been created

put

void put(java.net.URI uri,
         java.lang.String unitName,
         javax.persistence.EntityManagerFactory factory)
  throws org.fabric3.api.host.Fabric3Exception

Caches an EntityManagerFactory.

Parameters:

uri - the URI of the contribution the persistence unit is defined in

unitName - the persistence unit name

factory - the EntityManagerFactory to cache

Throws:

org.fabric3.api.host.Fabric3Exception - if there is an error caching the EntityManagerFactory