org.tynamo.jpa.internal
Class JPATransactionManagerImpl

java.lang.Object
  org.tynamo.jpa.internal.JPATransactionManagerImpl

All Implemented Interfaces:

EventListener, org.apache.tapestry5.ioc.services.ThreadCleanupListener, JPATransactionManager

public class JPATransactionManagerImpl
extends Object
implements JPATransactionManager, org.apache.tapestry5.ioc.services.ThreadCleanupListener

Constructor Summary

JPATransactionManagerImpl(JPAEntityManagerSource source)

Method Summary

void	abort() Aborts the current transaction, and starts a new transaction to replace it.
void	commit() Commits the current transaction (which will cause a flush of data to the database), then starts a new transaction to replace it.
javax.persistence.EntityManager	getEntityManager() Gets the active session for this request, creating it as necessary.
void	threadDidCleanup() Rollsback the transaction at the end of the request, then closes the session.

Methods inherited from class java.lang.Object

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

Constructor Detail

JPATransactionManagerImpl

public JPATransactionManagerImpl(JPAEntityManagerSource source)

Method Detail

abort

public void abort()

Description copied from interface: JPATransactionManager

Aborts the current transaction, and starts a new transaction to replace it.

Specified by:

abort in interface JPATransactionManager

commit

public void commit()

Description copied from interface: JPATransactionManager

Commits the current transaction (which will cause a flush of data to the database), then starts a new transaction to replace it.

Specified by:

commit in interface JPATransactionManager

getEntityManager

public javax.persistence.EntityManager getEntityManager()

Description copied from interface: JPATransactionManager

Gets the active session for this request, creating it as necessary. When the session is first created, a transaction is started.

Specified by:

getEntityManager in interface JPATransactionManager

Returns:

the request's entityManager

See Also:

JPAEntityManagerSource

threadDidCleanup

public void threadDidCleanup()

Rollsback the transaction at the end of the request, then closes the session. This means that any uncommitted changes are lost; code should inject the HSM and invoke commit() after making any changes, if they should persist.

Specified by:

threadDidCleanup in interface org.apache.tapestry5.ioc.services.ThreadCleanupListener