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* Copyright 2010, Red Hat Inc., and individual contributors as indicated
* by the @authors tag. See the copyright.txt 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.weld.services.bootstrap;
import static org.jboss.as.weld.util.ResourceInjectionUtilities.getResourceAnnotated;
import java.lang.reflect.Member;
import java.util.HashMap;
import javax.enterprise.inject.spi.InjectionPoint;
import javax.persistence.EntityManager;
import javax.persistence.EntityManagerFactory;
import javax.persistence.PersistenceContext;
import javax.persistence.PersistenceUnit;
import org.jboss.as.jpa.container.PersistenceUnitSearch;
import org.jboss.as.jpa.container.TransactionScopedEntityManager;
import org.jboss.as.jpa.service.PersistenceUnitServiceImpl;
import org.jboss.as.server.deployment.DeploymentUnit;
import org.jboss.as.weld.logging.WeldLogger;
import org.jboss.as.weld.util.ImmediateResourceReferenceFactory;
import org.jboss.msc.service.ServiceController;
import org.jboss.msc.service.ServiceName;
import org.jboss.weld.injection.spi.JpaInjectionServices;
import org.jboss.weld.injection.spi.ResourceReference;
import org.jboss.weld.injection.spi.ResourceReferenceFactory;
import org.jboss.weld.injection.spi.helpers.SimpleResourceReference;
import org.jipijapa.plugin.spi.PersistenceUnitMetadata;
public class WeldJpaInjectionServices implements JpaInjectionServices {
private DeploymentUnit deploymentUnit;
public WeldJpaInjectionServices(DeploymentUnit deploymentUnit) {
this.deploymentUnit = deploymentUnit;
}
@Override
public EntityManager resolvePersistenceContext(InjectionPoint injectionPoint) {
throw new UnsupportedOperationException();
}
@Override
public EntityManagerFactory resolvePersistenceUnit(InjectionPoint injectionPoint) {
throw new UnsupportedOperationException();
}
@Override
public ResourceReferenceFactory<EntityManager> registerPersistenceContextInjectionPoint(final InjectionPoint injectionPoint) {
//TODO: cache this stuff
final PersistenceContext context = getResourceAnnotated(injectionPoint).getAnnotation(PersistenceContext.class);
if (context == null) {
throw WeldLogger.ROOT_LOGGER.annotationNotFound(PersistenceContext.class, injectionPoint.getMember());
}
final String scopedPuName = getScopedPUName(deploymentUnit, context.unitName(), injectionPoint.getMember());
final ServiceName persistenceUnitServiceName = PersistenceUnitServiceImpl.getPUServiceName(scopedPuName);
final ServiceController<?> serviceController = deploymentUnit.getServiceRegistry().getRequiredService(persistenceUnitServiceName);
//now we have the service controller, as this method is only called at runtime the service should
//always be up
final PersistenceUnitServiceImpl persistenceUnitService = (PersistenceUnitServiceImpl) serviceController.getValue();
return new EntityManagerResourceReferenceFactory(scopedPuName, persistenceUnitService.getEntityManagerFactory(), context);
}
@Override
public ResourceReferenceFactory<EntityManagerFactory> registerPersistenceUnitInjectionPoint(final InjectionPoint injectionPoint) {
//TODO: cache this stuff
final PersistenceUnit context = getResourceAnnotated(injectionPoint).getAnnotation(PersistenceUnit.class);
if (context == null) {
throw WeldLogger.ROOT_LOGGER.annotationNotFound(PersistenceUnit.class, injectionPoint.getMember());
}
final String scopedPuName = getScopedPUName(deploymentUnit, context.unitName(), injectionPoint.getMember());
final ServiceName persistenceUnitServiceName = PersistenceUnitServiceImpl.getPUServiceName(scopedPuName);
final ServiceController<?> serviceController = deploymentUnit.getServiceRegistry().getRequiredService(persistenceUnitServiceName);
//now we have the service controller, as this method is only called at runtime the service should
//always be up
final PersistenceUnitServiceImpl persistenceUnitService = (PersistenceUnitServiceImpl) serviceController.getValue();
return new ImmediateResourceReferenceFactory<EntityManagerFactory>(persistenceUnitService.getEntityManagerFactory());
}
@Override
public void cleanup() {
deploymentUnit = null;
}
private String getScopedPUName(final DeploymentUnit deploymentUnit, final String persistenceUnitName, Member injectionPoint) {
PersistenceUnitMetadata scopedPu;
scopedPu = PersistenceUnitSearch.resolvePersistenceUnitSupplier(deploymentUnit, persistenceUnitName);
if (null == scopedPu) {
throw WeldLogger.ROOT_LOGGER.couldNotFindPersistenceUnit(persistenceUnitName, deploymentUnit.getName(), injectionPoint);
}
return scopedPu.getScopedPersistenceUnitName();
}
private static class EntityManagerResourceReferenceFactory implements ResourceReferenceFactory<EntityManager> {
private final String scopedPuName;
private final EntityManagerFactory entityManagerFactory;
private final PersistenceContext context;
public EntityManagerResourceReferenceFactory(String scopedPuName, EntityManagerFactory entityManagerFactory, PersistenceContext context) {
this.scopedPuName = scopedPuName;
this.entityManagerFactory = entityManagerFactory;
this.context = context;
}
@Override
public ResourceReference<EntityManager> createResource() {
final TransactionScopedEntityManager result = new TransactionScopedEntityManager(scopedPuName, new HashMap<>(), entityManagerFactory, context.synchronization());
return new SimpleResourceReference<EntityManager>(result);
}
}
}