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Java Source Code / Java Documentation » J2EE » spring framework 2.0.6 » org.springframework.orm.jpa 
Source Cross Reference  Class Diagram Java Document (Java Doc) 


java.lang.Object
   org.springframework.orm.jpa.SharedEntityManagerCreator

SharedEntityManagerCreator
abstract public class SharedEntityManagerCreator (Code)
Factory for a shared JPA EntityManager for a given EntityManagerFactory.

The shared EntityManager will behave just like an EntityManager fetched from an application server's JNDI environment, as defined by the JPA specification. It will delegate all calls to the current transactional EntityManager, if any; else, it will fall back to a newly created EntityManager per operation.
author:
   Juergen Hoeller
author:
   Rod Johnson
since:
   2.0
See Also:   org.springframework.orm.jpa.LocalEntityManagerFactoryBean
See Also:   org.springframework.orm.jpa.JpaTransactionManager





Method Summary
public static  EntityManagercreateSharedEntityManager(EntityManagerFactory emf)
     Create a shared transactional EntityManager proxy, given this EntityManagerFactory
Parameters:
  emf - the EntityManagerFactory to delegate to.If this implements the EntityManagerFactoryInfo interface, appropriate handlingof the native EntityManagerFactory and available EntityManagerPlusOperationswill automatically apply.
public static  EntityManagercreateSharedEntityManager(EntityManagerFactory emf, Map properties)
    
public static  EntityManagercreateSharedEntityManager(EntityManagerFactory emf, Map properties, Class... entityManagerInterfaces)
     Create a shared transactional EntityManager proxy, given this EntityManagerFactory
Parameters:
  emf - EntityManagerFactory to obtain EntityManagers from as needed
Parameters:
  properties - the properties to be passed into the createEntityManagercall (may be null)
Parameters:
  entityManagerInterfaces - interfaces to be implemented by theEntityManager.



Method Detail
createSharedEntityManager
public static EntityManager createSharedEntityManager(EntityManagerFactory emf)(Code)
Create a shared transactional EntityManager proxy, given this EntityManagerFactory
Parameters:
  emf - the EntityManagerFactory to delegate to.If this implements the EntityManagerFactoryInfo interface, appropriate handlingof the native EntityManagerFactory and available EntityManagerPlusOperationswill automatically apply. a shareable transaction EntityManager proxy



createSharedEntityManager
public static EntityManager createSharedEntityManager(EntityManagerFactory emf, Map properties)(Code)
Create a shared transactional EntityManager proxy, given this EntityManagerFactory
Parameters:
  emf - the EntityManagerFactory to delegate to.If this implements the EntityManagerFactoryInfo interface, appropriate handlingof the native EntityManagerFactory and available EntityManagerPlusOperationswill automatically apply.
Parameters:
  properties - the properties to be passed into the createEntityManagercall (may be null) a shareable transaction EntityManager proxy



createSharedEntityManager
public static EntityManager createSharedEntityManager(EntityManagerFactory emf, Map properties, Class... entityManagerInterfaces)(Code)
Create a shared transactional EntityManager proxy, given this EntityManagerFactory
Parameters:
  emf - EntityManagerFactory to obtain EntityManagers from as needed
Parameters:
  properties - the properties to be passed into the createEntityManagercall (may be null)
Parameters:
  entityManagerInterfaces - interfaces to be implemented by theEntityManager. Allows the addition or specification of proprietary interfaces. a shareable transaction EntityManager proxy



Methods inherited from java.lang.Object
native protected Object clone() throws CloneNotSupportedException(Code)(Java Doc)
public boolean equals(Object obj)(Code)(Java Doc)
protected void finalize() throws Throwable(Code)(Java Doc)
final native public Class getClass()(Code)(Java Doc)
native public int hashCode()(Code)(Java Doc)
final native public void notify()(Code)(Java Doc)
final native public void notifyAll()(Code)(Java Doc)
public String toString()(Code)(Java Doc)
final native public void wait(long timeout) throws InterruptedException(Code)(Java Doc)
final public void wait(long timeout, int nanos) throws InterruptedException(Code)(Java Doc)
final public void wait() throws InterruptedException(Code)(Java Doc)

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