org.eiichiro.gig.persistence
Class JPAEntityManagerComponent

java.lang.Object
  org.eiichiro.jaguar.Component<javax.persistence.EntityManager>
      org.eiichiro.gig.persistence.JPAEntityManagerComponent

@Name(value="org.eiichiro.gig.persistence.JPAEntityManager")
@Request
public class JPAEntityManagerComponent
extends org.eiichiro.jaguar.Component<javax.persistence.EntityManager>

JPAEntityManagerComponent is a representing JPA 2.0 EntityManager for PostgreSQL-based Heroku database service.

Author:

Eiichiro Uchiumi

Constructor Summary

JPAEntityManagerComponent()

Method Summary

void	assemble() Lifecycle callback to assemble this instance with the EntityManager JPAEntityManagerFactoryComponent returns.
void	close() Lifecycle callback to close the EntityManager.
javax.persistence.EntityManager	instance() Returns the EntityManager this instance manages.

Methods inherited from class java.lang.Object

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

Constructor Detail

JPAEntityManagerComponent

public JPAEntityManagerComponent()

Method Detail

assemble

@Activated
public void assemble()

Lifecycle callback to assemble this instance with the EntityManager JPAEntityManagerFactoryComponent returns.

close

@Passivated
public void close()

Lifecycle callback to close the EntityManager.

instance

public javax.persistence.EntityManager instance()

Returns the EntityManager this instance manages. The EntityManager may be null if the JPAEntityManagerFactoryComponent could not establish the connection to the database service.

Specified by:

instance in class org.eiichiro.jaguar.Component<javax.persistence.EntityManager>