| /* |
| // * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIESOR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| */ |
| package org.apache.aries.jpa.eclipselink.adapter; |
| |
| import org.apache.aries.jpa.eclipselink.adapter.platform.OSGiTSServer; |
| import org.osgi.framework.Bundle; |
| import org.osgi.framework.ServiceFactory; |
| import org.osgi.framework.ServiceRegistration; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import java.lang.reflect.Constructor; |
| import java.util.Map; |
| |
| import javax.persistence.EntityManagerFactory; |
| import javax.persistence.spi.PersistenceProvider; |
| import javax.persistence.spi.PersistenceUnitInfo; |
| import javax.persistence.spi.ProviderUtil; |
| |
| /** |
| * Service factory for generating the Eclipselink OSGi compatible provider. It proxies the provider so that |
| * we can go in at entity manager creation time and set the eclipselink target-server to be {@link OSGiTSServer}. |
| */ |
| @SuppressWarnings({"rawtypes", "unchecked"}) |
| public class EclipseLinkProviderService implements ServiceFactory<PersistenceProvider> { |
| private static final Logger logger = LoggerFactory.getLogger(Activator.class); |
| |
| private final Bundle eclipseLinkJpaBundle; |
| |
| public EclipseLinkProviderService(Bundle b) { |
| eclipseLinkJpaBundle = b; |
| } |
| |
| @Override |
| public PersistenceProvider getService(Bundle bundle, ServiceRegistration registration) { |
| logger.debug("Requested EclipseLink Provider service"); |
| |
| try { |
| Class<? extends PersistenceProvider> providerClass = (Class<? extends PersistenceProvider>) eclipseLinkJpaBundle.loadClass(Activator.ECLIPSELINK_JPA_PROVIDER_CLASS_NAME); |
| Constructor<? extends PersistenceProvider> con = providerClass.getConstructor(); |
| final PersistenceProvider provider = con.newInstance(); |
| |
| return new PersistenceProvider() { |
| public ProviderUtil getProviderUtil() { |
| return provider.getProviderUtil(); |
| } |
| |
| public EntityManagerFactory createEntityManagerFactory(String arg0, Map arg1) { |
| return provider.createEntityManagerFactory(arg0, arg1); |
| } |
| |
| public EntityManagerFactory createContainerEntityManagerFactory(PersistenceUnitInfo punit, Map props) { |
| return provider.createContainerEntityManagerFactory(new PersistenceUnitProxyWithTargetServer(punit, |
| eclipseLinkJpaBundle), props); |
| } |
| |
| @Override |
| public void generateSchema(PersistenceUnitInfo punit, Map arg1) { |
| provider.generateSchema(new PersistenceUnitProxyWithTargetServer(punit, |
| eclipseLinkJpaBundle), arg1); |
| } |
| |
| @Override |
| public boolean generateSchema(String arg0, Map arg1) { |
| return provider.generateSchema(arg0, arg1); |
| } |
| }; |
| |
| } catch (Exception e) { |
| logger.error("An exception was caught trying to instantiate the EclipseLink JPA provider.", e); |
| return null; |
| } |
| } |
| |
| public void ungetService(Bundle bundle, ServiceRegistration registration, PersistenceProvider service) {} |
| } |