Java tutorial
/* * Hibernate, Relational Persistence for Idiomatic Java * * Copyright (c) 2010, Red Hat Inc. or third-party contributors as * indicated by the @author tags or express copyright attribution * statements applied by the authors. All third-party contributions are * distributed under license by Red Hat Inc. * * This copyrighted material is made available to anyone wishing to use, modify, * copy, or redistribute it subject to the terms and conditions of the GNU * Lesser General Public License, as published by the Free Software Foundation. * * This program 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 distribution; if not, write to: * Free Software Foundation, Inc. * 51 Franklin Street, Fifth Floor * Boston, MA 02110-1301 USA */ package hibis.tester; import java.util.Date; import java.util.List; import java.util.concurrent.ThreadLocalRandom; import org.hibernate.Session; import org.hibernate.SessionFactory; import org.hibernate.boot.MetadataSources; import org.hibernate.boot.registry.StandardServiceRegistry; import org.hibernate.boot.registry.StandardServiceRegistryBuilder; import junit.framework.TestCase; /** * Illustrates the use of Hibernate native APIs. The code here is unchanged from * the {@code basic} example, the only difference being the use of annotations * to supply the metadata instead of Hibernate mapping files. * * @author Steve Ebersole */ public class Tester extends TestCase { private SessionFactory sessionFactory; @Override protected void setUp() throws Exception { // A SessionFactory is set up once for an application! final StandardServiceRegistry registry = new StandardServiceRegistryBuilder().configure() // configures // settings // from // hibernate.cfg.xml .build(); try { sessionFactory = new MetadataSources(registry).buildMetadata().buildSessionFactory(); } catch (Exception e) { // The registry would be destroyed by the SessionFactory, but we had // trouble building the SessionFactory // so destroy it manually. System.err.println(e.getMessage()); StandardServiceRegistryBuilder.destroy(registry); } } @Override protected void tearDown() throws Exception { if (sessionFactory != null) { sessionFactory.close(); } } @SuppressWarnings({ "unchecked" }) public void testBasicUsage() { Session session = sessionFactory.openSession(); // StringBuilder sb = new StringBuilder(); // for (int i = 0; i < 10; i++) { // sb.append(i); // sb.append(":LOB tester!"); // } for (int i = 0; i < 50000; i++) { session.beginTransaction(); Event e = new Event("Our " + i + "st event!", new Date(), ThreadLocalRandom.current().nextDouble(-180, 180), ThreadLocalRandom.current().nextDouble(-90, 90)); System.out.println("Testi:" + e.getLongitude()); System.out.println("Testi:" + e.getLatitude()); session.save(e); session.getTransaction().commit(); } session.close(); // now lets pull events from the database and list them session = sessionFactory.openSession(); List result = session.createQuery("from Event").list(); for (Event event : (List<Event>) result) { System.out.println("Event (" + event.getDate() + ") : " + event.getTitle() + " : Longitude:" + event.getLongitude() + " : Latitude:" + event.getLatitude()); } session.close(); } }