/*
* JBoss, Home of Professional Open Source.
* Copyright 2008, Red Hat Middleware LLC, and individual contributors
* as indicated by the @author tags. See the copyright.txt file in the
* distribution for a full listing of individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.jboss.ejb3.clientmodule;
import java.lang.reflect.AccessibleObject;
import java.lang.reflect.Field;
import java.lang.reflect.Method;
import java.util.Map;
import javax.naming.NameNotFoundException;
import org.jboss.injection.InjectionContainer;
import org.jboss.injection.InjectionHandler;
import org.jboss.injection.InjectionUtil;
import org.jboss.injection.Injector;
import org.jboss.injection.PersistenceUnitHandler;
import org.jboss.metadata.javaee.spec.PersistenceUnitReferenceMetaData;
import org.jboss.metadata.javaee.spec.RemoteEnvironment;
/**
* EXPERIMENTAL
*
* Allow injection of a persistence unit into a component running outside
* the VM where the peristence unit is deployed.
*
* Currently this only runs for application client which does do any
* annotation processing by itself. This is delegated to the AnnotationDeployer.
*
* @author <a href="mailto:cdewolf@redhat.com">Carlo de Wolf</a>
* @version $Revision: 85945 $
*/
public class RemotePersistenceUnitHandler<X extends RemoteEnvironment> implements InjectionHandler<X>
{
public void handleClassAnnotations(Class<?> clazz, InjectionContainer container)
{
throw new UnsupportedOperationException("metadata should have been complete");
}
public void handleFieldAnnotations(Field field, InjectionContainer container,
Map<AccessibleObject, Injector> injectors)
{
throw new UnsupportedOperationException("metadata should have been complete");
}
public void handleMethodAnnotations(Method method, InjectionContainer container,
Map<AccessibleObject, Injector> injectors)
{
throw new UnsupportedOperationException("metadata should have been complete");
}
public void loadXml(X xml, InjectionContainer container)
{
if (xml == null) return;
if (xml.getPersistenceUnitRefs() == null) return;
for (PersistenceUnitReferenceMetaData ref : xml.getPersistenceUnitRefs())
{
String encName = "env/" + ref.getPersistenceUnitRefName();
// we add injection target no matter what. enc injection might be overridden but
// XML injection cannot be overriden
Class<?> injectionType = InjectionUtil.injectionTarget(encName, ref, container, container.getEncInjections());
if (container.getEncInjectors().containsKey(encName))
return;
container.getEncInjectors().put(encName, new RemotePuEncInjector(encName, injectionType, ref.getPersistenceUnitName(), "<persistence-unit-ref>"));
try
{
PersistenceUnitHandler.addPUDependency(ref.getPersistenceUnitName(), container);
}
catch (NameNotFoundException e)
{
throw new RuntimeException("Illegal <persistence-unit-ref> of " + ref.getPersistenceUnitRefName() + " :" + e.getMessage());
}
}
}
}