org.jboss.webbeans.persistence.spi
Interface JpaServices

All Superinterfaces:

Service

All Known Implementing Classes:

ForwardingJpaServices

public interface JpaServices
extends Service

A container should implement this interface to allow the Web Beans RI to resolve JPA persistence units and discover entities

Author:

Pete Muir

Method Summary

javax.persistence.EntityManager	resolvePersistenceContext(InjectionPoint injectionPoint) Resolve the value for the given @PersistenceContext injection point
javax.persistence.EntityManager	resolvePersistenceContext(java.lang.String unitName) Resolve a persistence context for a given persistence unit name
javax.persistence.EntityManagerFactory	resolvePersistenceUnit(java.lang.String unitName) Resolve a persistence unit for a given persistence unit name

Method Detail

resolvePersistenceContext

javax.persistence.EntityManager resolvePersistenceContext(InjectionPoint injectionPoint)

Resolve the value for the given @PersistenceContext injection point

Parameters:

injectionPoint - the injection point metadata

Returns:

an instance of the entity manager

Throws:

java.lang.IllegalArgumentException - if the injection point is not annotated with

java.lang.IllegalStateException - if no suitable persistence units can be resolved for injection

resolvePersistenceContext

javax.persistence.EntityManager resolvePersistenceContext(java.lang.String unitName)

Resolve a persistence context for a given persistence unit name

Parameters:

unitName - the unit name

Returns:

an instance of the entity manager

Throws:

java.lang.IllegalStateException - if no suitable persistence units can be resolved for injection

resolvePersistenceUnit

javax.persistence.EntityManagerFactory resolvePersistenceUnit(java.lang.String unitName)

Resolve a persistence unit for a given persistence unit name

Parameters:

unitName - the unit name

Returns:

an instance of the entity manager factory

Throws:

java.lang.IllegalStateException - if no suitable persistence units can be resolved for injection

java.lang.IllegalArgumentException - if unitName is null