br.gov.frameworkdemoiselle.internal.producer
Class EntityManagerProducer

java.lang.Object
  br.gov.frameworkdemoiselle.internal.producer.EntityManagerProducer

All Implemented Interfaces:

Serializable

@RequestScoped
public class EntityManagerProducer
extends Object
implements Serializable

Factory class responsible to produces instances of EntityManager. Produces instances based on informations defined in persistence.xml, demoiselle.properties or @PersistenceUnit annotation.

TODO allow users to define EntityManager's scope using demoiselle.properties

See Also:

Serialized Form

Constructor Summary

EntityManagerProducer()

Method Summary

void	close()
javax.persistence.EntityManager	create(javax.enterprise.inject.spi.InjectionPoint ip, EntityManagerConfig config) Default EntityManager factory.
Map<String,javax.persistence.EntityManager>	getCache()
javax.persistence.EntityManager	getEntityManager(String persistenceUnit)
void	init()

Methods inherited from class java.lang.Object

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

Constructor Detail

EntityManagerProducer

public EntityManagerProducer()

Method Detail

create

@Default
@Produces
public javax.persistence.EntityManager create(javax.enterprise.inject.spi.InjectionPoint ip,
                                                               EntityManagerConfig config)

Default EntityManager factory. Tries two strategies to produces EntityManager instances.

The first one is based on informations available on demoiselle properties file ("frameworkdemoiselle.persistence.unit.name" key).

The second one is based on persistence.xml file. If exists only one Persistence Unit defined, this one is used.

Parameters:

config - Suplies informations about EntityManager defined in properties file.

Returns:

Produced EntityManager.

getEntityManager

public javax.persistence.EntityManager getEntityManager(String persistenceUnit)

init

@PostConstruct
public void init()

close

@PreDestroy
public void close()

getCache

public Map<String,javax.persistence.EntityManager> getCache()