org.apache.james.mailbox.jpa
Class JPATransactionalMapper

java.lang.Object
  org.apache.james.mailbox.store.transaction.TransactionalMapper
      org.apache.james.mailbox.jpa.JPATransactionalMapper

All Implemented Interfaces:

Mapper

Direct Known Subclasses:

JPAMailboxMapper, JPAMessageMapper, JPASubscriptionMapper

public abstract class JPATransactionalMapper
extends TransactionalMapper

JPA implementation of TransactionMapper. This class is not thread-safe!

Nested Class Summary

Nested classes/interfaces inherited from interface org.apache.james.mailbox.store.transaction.Mapper

Mapper.MailboxMembershipCallback<Id>, Mapper.Transaction<T>, Mapper.VoidTransaction

Field Summary

protected javax.persistence.EntityManager	entityManager
protected javax.persistence.EntityManagerFactory	entityManagerFactory

Constructor Summary

JPATransactionalMapper(javax.persistence.EntityManagerFactory entityManagerFactory)

Method Summary

protected void	begin()
protected void	commit() Commit the Transaction and close the EntityManager
void	endRequest() Close open EntityManager
javax.persistence.EntityManager	getEntityManager() Return the currently used EntityManager or a new one if none exists.
protected void	rollback()

Methods inherited from class org.apache.james.mailbox.store.transaction.TransactionalMapper

execute

Methods inherited from class java.lang.Object

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

Field Detail

entityManagerFactory

protected javax.persistence.EntityManagerFactory entityManagerFactory

entityManager

protected javax.persistence.EntityManager entityManager

Constructor Detail

JPATransactionalMapper

public JPATransactionalMapper(javax.persistence.EntityManagerFactory entityManagerFactory)

Method Detail

getEntityManager

public javax.persistence.EntityManager getEntityManager()

Return the currently used EntityManager or a new one if none exists.

Returns:

entitymanger

begin

protected void begin()
              throws MailboxException

Specified by:

begin in class TransactionalMapper

Throws:

MailboxException

commit

protected void commit()
               throws MailboxException

Commit the Transaction and close the EntityManager

Specified by:

commit in class TransactionalMapper

Throws:

MailboxException

rollback

protected void rollback()
                 throws MailboxException

Specified by:

rollback in class TransactionalMapper

Throws:

MailboxException

endRequest

public void endRequest()

Close open EntityManager