/*
* JBoss, Home of Professional Open Source.
* Copyright 2012, Red Hat, Inc., 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.as.osgi.jpa;
import java.util.Properties;
import javax.persistence.EntityManagerFactory;
import org.jboss.as.jpa.processor.JpaAttachments;
import org.jboss.as.jpa.spi.PersistenceUnitService;
import org.jboss.as.osgi.OSGiConstants;
import org.jboss.as.server.deployment.DeploymentPhaseContext;
import org.jboss.as.server.deployment.DeploymentUnit;
import org.jboss.as.server.deployment.DeploymentUnitProcessingException;
import org.jboss.as.server.deployment.DeploymentUnitProcessor;
import org.jboss.msc.service.Service;
import org.jboss.msc.service.ServiceBuilder;
import org.jboss.msc.service.ServiceController.Mode;
import org.jboss.msc.service.ServiceName;
import org.jboss.msc.service.ServiceTarget;
import org.jboss.msc.service.StartContext;
import org.jboss.msc.service.StartException;
import org.jboss.msc.service.StopContext;
import org.jboss.msc.value.InjectedValue;
import org.jboss.osgi.framework.spi.BundleManager;
import org.jboss.osgi.resolver.XBundle;
import org.osgi.framework.Bundle;
import org.osgi.framework.BundleContext;
import org.osgi.framework.ServiceRegistration;
import org.osgi.service.jpa.EntityManagerFactoryBuilder;
/**
* Install the services for a persistence bundle.
*
* @author thomas.diesler@jboss.com
* @since 01-Sep-2012
*/
public class PersistenceUnitProcessor implements DeploymentUnitProcessor {
@Override
public void deploy(DeploymentPhaseContext phaseContext) throws DeploymentUnitProcessingException {
DeploymentUnit depUnit = phaseContext.getDeploymentUnit();
ServiceName puServiceName = depUnit.getAttachment(JpaAttachments.PERSISTENCE_UNIT_SERVICE_KEY);
XBundle bundle = depUnit.getAttachment(OSGiConstants.BUNDLE_KEY);
if (bundle == null || puServiceName == null)
return;
BundleManager bundleManager = depUnit.getAttachment(OSGiConstants.BUNDLE_MANAGER_KEY);
EntityManagerFactoryRegistration.addService(phaseContext.getServiceTarget(), bundleManager, puServiceName, bundle);
}
@Override
public void undeploy(DeploymentUnit context) {
}
static class EntityManagerFactoryRegistration implements Service<ServiceRegistration> {
private final InjectedValue<XBundle> injectedBundle = new InjectedValue<XBundle>();
private final InjectedValue<PersistenceUnitService> injectedPersistenceUnitService = new InjectedValue<PersistenceUnitService>();
private ServiceRegistration registration;
static void addService(ServiceTarget serviceTarget, BundleManager bundleManager, ServiceName puServiceName, XBundle bundle) {
ServiceName activeBundleName = bundleManager.getServiceName(bundle, Bundle.ACTIVE);
ServiceName serviceName = activeBundleName.append(EntityManagerFactory.class.getSimpleName());
EntityManagerFactoryRegistration service = new EntityManagerFactoryRegistration();
ServiceBuilder<ServiceRegistration> builder = serviceTarget.addService(serviceName, service);
builder.addDependency(puServiceName, PersistenceUnitService.class, service.injectedPersistenceUnitService);
builder.addDependency(activeBundleName, XBundle.class, service.injectedBundle);
builder.setInitialMode(Mode.PASSIVE);
builder.install();
}
@Override
public void start(StartContext context) throws StartException {
PersistenceUnitService puService = injectedPersistenceUnitService.getValue();
BundleContext bundleContext = injectedBundle.getValue().getBundleContext();
EntityManagerFactory emf = puService.getEntityManagerFactory();
Properties properties = new Properties();
properties.put(EntityManagerFactoryBuilder.JPA_UNIT_NAME, puService.getScopedPersistenceUnitName());
// [TODO] unit version/provider
properties.put(EntityManagerFactoryBuilder.JPA_UNIT_VERSION, "unknown");
properties.put(EntityManagerFactoryBuilder.JPA_UNIT_PROVIDER, "unknown");
registration = bundleContext.registerService(EntityManagerFactory.class.getName(), emf, properties);
}
@Override
public void stop(StopContext context) {
if (registration != null) {
registration.unregister();
registration = null;
}
}
@Override
public ServiceRegistration getValue() throws IllegalStateException, IllegalArgumentException {
return registration;
}
}
}