Java tutorial
/* * Copyright 2002-2014 the original author or authors. * * Licensed 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 WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package org.springframework.orm.jpa.vendor; import java.util.Map; import javax.persistence.EntityManagerFactory; import javax.persistence.spi.PersistenceUnitInfo; import org.hibernate.cfg.Configuration; import org.hibernate.jpa.HibernatePersistenceProvider; import org.hibernate.jpa.boot.internal.EntityManagerFactoryBuilderImpl; import org.hibernate.jpa.boot.internal.PersistenceUnitInfoDescriptor; import org.hibernate.service.ServiceRegistry; import org.springframework.orm.jpa.persistenceunit.SmartPersistenceUnitInfo; /** * Spring-specific subclass of the standard {@link HibernatePersistenceProvider} * from the {@code org.hibernate.jpa} package, adding support for * {@link SmartPersistenceUnitInfo#getManagedPackages()}. * * <p>Compatible with Hibernate 4.3. {@link SpringHibernateEjbPersistenceProvider} * is an alternative for compatibility with earlier Hibernate versions (3.6-4.2). * * @author Juergen Hoeller * @author Joris Kuipers * @since 4.1 * @see Configuration#addPackage */ class SpringHibernateJpaPersistenceProvider extends HibernatePersistenceProvider { @Override @SuppressWarnings("rawtypes") public EntityManagerFactory createContainerEntityManagerFactory(final PersistenceUnitInfo info, Map properties) { return new EntityManagerFactoryBuilderImpl(new PersistenceUnitInfoDescriptor(info), properties) { @Override public Configuration buildHibernateConfiguration(ServiceRegistry serviceRegistry) { Configuration configuration = super.buildHibernateConfiguration(serviceRegistry); if (info instanceof SmartPersistenceUnitInfo) { for (String managedPackage : ((SmartPersistenceUnitInfo) info).getManagedPackages()) { configuration.addPackage(managedPackage); } } return configuration; } }.build(); } }