org.spicefactory.pimento.context
Class SpringPersistenceContextPhaseListener

java.lang.Object
  org.spicefactory.pimento.context.AbstractPersistenceContextPhaseListener
      org.spicefactory.pimento.context.SpringPersistenceContextPhaseListener

All Implemented Interfaces:

PhaseListener

public class SpringPersistenceContextPhaseListener
extends AbstractPersistenceContextPhaseListener

Implementation of Cinnamon's PhaseListener extension point that uses Springs transaction management and JPA support.

Author:

Jens Halm

Constructor Summary

SpringPersistenceContextPhaseListener(PlatformTransactionManager txManager, EntityManagerFactory emf)
Creates a new instance.

Method Summary

protected boolean	bindEntityManager() Bind an EntityManager to the current thread.
protected void	commitTransaction(Object transactionContext) Commits the transaction represented by the specified parameter.
protected Object	createTransaction() Creates a transaction and returns a transaction status object.
protected void	rollbackTransaction(Object transactionContext) Performs a rollback for the transaction represented by the specified parameter.
protected void	unbindEntityManager() Unbind the EntityManager from the current thread.

Methods inherited from class org.spicefactory.pimento.context.AbstractPersistenceContextPhaseListener

afterDecodingException, afterEncoding, afterProcessing, beforeDecoding, beforeProcessing, containsError, createRequestContext, getEntityManagerFactory, releaseRequestContext

Methods inherited from class java.lang.Object

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

Constructor Detail

SpringPersistenceContextPhaseListener

public SpringPersistenceContextPhaseListener(PlatformTransactionManager txManager,
                                             EntityManagerFactory emf)

Creates a new instance.

Parameters:

txManager - the transaction manager to use

emf - the EntityManagerFactory to use

Method Detail

createTransaction

protected Object createTransaction()

Description copied from class: AbstractPersistenceContextPhaseListener

Creates a transaction and returns a transaction status object. The type of the returned object depends on the transaction management system in use.

Specified by:

createTransaction in class AbstractPersistenceContextPhaseListener

Returns:

a transaction status object

commitTransaction

protected void commitTransaction(Object transactionContext)

Description copied from class: AbstractPersistenceContextPhaseListener

Commits the transaction represented by the specified parameter. The type of the parameter depends on the transaction management system in use. It is always the same instance that was returned from createTransaction.

Specified by:

commitTransaction in class AbstractPersistenceContextPhaseListener

Parameters:

transactionContext - the status object for the transaction to commit

rollbackTransaction

protected void rollbackTransaction(Object transactionContext)

Description copied from class: AbstractPersistenceContextPhaseListener

Performs a rollback for the transaction represented by the specified parameter. The type of the parameter depends on the transaction management system in use. It is always the same instance that was returned from createTransaction.

Specified by:

rollbackTransaction in class AbstractPersistenceContextPhaseListener

Parameters:

transactionContext - the status object for the transaction to rollback

bindEntityManager

protected boolean bindEntityManager()

Description copied from class: AbstractPersistenceContextPhaseListener

Bind an EntityManager to the current thread.

Specified by:

bindEntityManager in class AbstractPersistenceContextPhaseListener

Returns:

true if a new EntityManager was created

unbindEntityManager

protected void unbindEntityManager()

Description copied from class: AbstractPersistenceContextPhaseListener

Unbind the EntityManager from the current thread.

Specified by:

unbindEntityManager in class AbstractPersistenceContextPhaseListener