org.jboss.webbeans.persistence.spi.helpers
Class ForwardingJpaServices

java.lang.Object
  org.jboss.webbeans.persistence.spi.helpers.ForwardingJpaServices

All Implemented Interfaces:

Service, JpaServices

public abstract class ForwardingJpaServices
extends java.lang.Object
implements JpaServices

An implementation of JpaServices which forwards all its method calls to another JpaServices}. Subclasses should override one or more methods to modify the behavior of the backing JpaServices as desired per the decorator pattern.

Author:

Pete Muir

Constructor Summary

ForwardingJpaServices()

Method Summary

protected abstract JpaServices	delegate()
boolean	equals(java.lang.Object obj)
int	hashCode()
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
java.lang.String	toString()

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

ForwardingJpaServices

public ForwardingJpaServices()

Method Detail

delegate

protected abstract JpaServices delegate()

resolvePersistenceContext

public javax.persistence.EntityManager resolvePersistenceContext(InjectionPoint injectionPoint)

Description copied from interface: JpaServices

Resolve the value for the given @PersistenceContext injection point

Specified by:

resolvePersistenceContext in interface JpaServices

Parameters:

injectionPoint - the injection point metadata

Returns:

an instance of the entity manager

resolvePersistenceContext

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

Description copied from interface: JpaServices

Resolve a persistence context for a given persistence unit name

Specified by:

resolvePersistenceContext in interface JpaServices

Parameters:

unitName - the unit name

Returns:

an instance of the entity manager

resolvePersistenceUnit

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

Description copied from interface: JpaServices

Resolve a persistence unit for a given persistence unit name

Specified by:

resolvePersistenceUnit in interface JpaServices

Parameters:

unitName - the unit name

Returns:

an instance of the entity manager factory

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

hashCode

public int hashCode()

Overrides:

hashCode in class java.lang.Object

equals

public boolean equals(java.lang.Object obj)

Overrides:

equals in class java.lang.Object