org.jasig.jpa

Class OpenEntityManagerAspect

java.lang.Object

org.jasig.jpa.OpenEntityManagerAspect

All Implemented Interfaces:

org.springframework.beans.factory.Aware, org.springframework.context.ApplicationContextAware

@Component(value="openEntityManagerAspect")
public class OpenEntityManagerAspect
extends Object
implements org.springframework.context.ApplicationContextAware

Aspect opens an entity manager around a method invocation

Author:

Eric Dalquist

See Also:

OpenEntityManager, JpaInterceptor

Field Summary

Fields

Modifier and Type	Field and Description
protected org.slf4j.Logger	logger

Constructor Summary

Constructors

Constructor and Description
OpenEntityManagerAspect()

Method Summary

Methods

Modifier and Type	Method and Description
void	anyPublicMethod()
protected javax.persistence.EntityManager	createEntityManager(javax.persistence.EntityManagerFactory emf) Create a JPA EntityManager to be bound to a request.
protected CacheKey	createEntityManagerFactoryKey(OpenEntityManager openEntityManager)
protected javax.persistence.EntityManagerFactory	getEntityManagerFactory(OpenEntityManager openEntityManager) Get the EntityManagerFactory that this filter should use.
protected javax.persistence.EntityManager	getTransactionalEntityManager(javax.persistence.EntityManagerFactory emf) Obtain the transactional EntityManager for this accessor's EntityManagerFactory, if any.
protected javax.persistence.EntityManagerFactory	lookupEntityManagerFactory(OpenEntityManager openEntityManager) Look up the EntityManagerFactory that this filter should use.
Object	openEntityManager(org.aspectj.lang.ProceedingJoinPoint pjp, OpenEntityManager openEntityManager)
void	setApplicationContext(org.springframework.context.ApplicationContext applicationContext)

Methods inherited from class java.lang.Object

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

Field Detail

logger

protected final org.slf4j.Logger logger

Constructor Detail

OpenEntityManagerAspect

public OpenEntityManagerAspect()

Method Detail

setApplicationContext

public void setApplicationContext(org.springframework.context.ApplicationContext applicationContext)
                           throws org.springframework.beans.BeansException

Specified by:

setApplicationContext in interface org.springframework.context.ApplicationContextAware

Throws:

org.springframework.beans.BeansException

anyPublicMethod

public void anyPublicMethod()

openEntityManager

public Object openEntityManager(org.aspectj.lang.ProceedingJoinPoint pjp,
                       OpenEntityManager openEntityManager)
                         throws Throwable

Throws:

Throwable

getTransactionalEntityManager

protected javax.persistence.EntityManager getTransactionalEntityManager(javax.persistence.EntityManagerFactory emf)
                                                                 throws IllegalStateException

Obtain the transactional EntityManager for this accessor's EntityManagerFactory, if any.

Returns:

the transactional EntityManager, or null if none

Throws:

IllegalStateException - if this accessor is not configured with an EntityManagerFactory

See Also:

EntityManagerFactoryUtils.getTransactionalEntityManager(javax.persistence.EntityManagerFactory), EntityManagerFactoryUtils.getTransactionalEntityManager(javax.persistence.EntityManagerFactory, java.util.Map)

getEntityManagerFactory

protected javax.persistence.EntityManagerFactory getEntityManagerFactory(OpenEntityManager openEntityManager)

Get the EntityManagerFactory that this filter should use.

Returns:

the EntityManagerFactory to use

See Also:

lookupEntityManagerFactory(OpenEntityManager)

lookupEntityManagerFactory

protected javax.persistence.EntityManagerFactory lookupEntityManagerFactory(OpenEntityManager openEntityManager)

Look up the EntityManagerFactory that this filter should use.

The default implementation looks for a bean with the specified name in Spring's root application context.

Returns:

the EntityManagerFactory to use

See Also:

#getEntityManagerFactoryBeanName

createEntityManager

protected javax.persistence.EntityManager createEntityManager(javax.persistence.EntityManagerFactory emf)

Create a JPA EntityManager to be bound to a request.

Can be overridden in subclasses.

Parameters:

emf - the EntityManagerFactory to use

See Also:

EntityManagerFactory.createEntityManager()

createEntityManagerFactoryKey

protected final CacheKey createEntityManagerFactoryKey(OpenEntityManager openEntityManager)

Parameters:

openEntityManager - The annotation to create a key for

Returns:

The key used to lookup the entity manager for an annotation