Java tutorial
/* * 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.test.integration.hibernate; import static org.junit.Assert.assertEquals; import java.util.HashSet; import java.util.Iterator; import java.util.Properties; import java.util.Set; import javax.annotation.Resource; import javax.ejb.Stateful; import javax.ejb.TransactionAttribute; import javax.ejb.TransactionAttributeType; import javax.ejb.TransactionManagement; import javax.ejb.TransactionManagementType; import org.hibernate.Session; import org.hibernate.SessionFactory; import org.hibernate.cfg.AvailableSettings; import org.hibernate.cfg.Configuration; import org.hibernate.cfg.Environment; import org.hibernate.engine.transaction.jta.platform.internal.JBossAppServerJtaPlatform; import org.hibernate.internal.util.config.ConfigurationHelper; import org.hibernate.stat.SessionStatistics; import org.hibernate.stat.Statistics; import org.infinispan.manager.CacheContainer; /** * @author Madhumita Sadhukhan */ @Stateful @TransactionManagement(TransactionManagementType.CONTAINER) public class SFSBHibernate2LcacheStats { private static SessionFactory sessionFactory; /** * Lookup the Infinispan cache container to start it. * <p> * We also could change the following line in standalone.xml: <cache-container name="hibernate" default-cache="local-query"> * To: <cache-container name="hibernate" default-cache="local-query" start="EAGER"> */ private static final String CONTAINER_JNDI_NAME = "java:jboss/infinispan/container/hibernate"; @Resource(lookup = CONTAINER_JNDI_NAME) private CacheContainer container; public void cleanup() { sessionFactory.close(); } @TransactionAttribute(TransactionAttributeType.NEVER) public void setupConfig() { // static { try { //System.out.println("setupConfig: Current dir = " + (new File(".")).getCanonicalPath()); // prepare the configuration Configuration configuration = new Configuration() .setProperty(AvailableSettings.USE_NEW_ID_GENERATOR_MAPPINGS, "true"); configuration.getProperties().put(AvailableSettings.JTA_PLATFORM, JBossAppServerJtaPlatform.class); configuration.setProperty(Environment.HBM2DDL_AUTO, "create-drop"); configuration.setProperty(Environment.DATASOURCE, "java:jboss/datasources/ExampleDS"); // set property to enable statistics configuration.setProperty("hibernate.generate_statistics", "true"); // fetch the properties Properties properties = new Properties(); configuration = configuration.configure("hibernate.cfg.xml"); properties.putAll(configuration.getProperties()); Environment.verifyProperties(properties); ConfigurationHelper.resolvePlaceHolders(properties); // build the serviceregistry sessionFactory = configuration.buildSessionFactory(); } catch (Throwable ex) { // Make sure you log the exception, as it might be swallowed System.err.println("Initial SessionFactory creation failed." + ex); throw new ExceptionInInitializerError(ex); } //System.out.println("setupConfig: done"); } // create planet public Planet prepareData(String planetName, String galaxyName, String starName, Set<Satellite> satellites, Integer id) { Session session = sessionFactory.openSession(); Planet planet = new Planet(); planet.setPlanetId(id); planet.setPlanetName(planetName); planet.setGalaxy(galaxyName); planet.setStar(starName); // Transaction trans = session.beginTransaction(); try { session.save(planet); if (satellites != null && satellites.size() > 0) { Iterator<Satellite> itrSat = satellites.iterator(); while (itrSat.hasNext()) { Satellite sat = itrSat.next(); session.save(sat); } planet.setSatellites(new HashSet<Satellite>()); planet.getSatellites().addAll(satellites); } session.saveOrUpdate(planet); SessionStatistics stats = session.getStatistics(); assertEquals(2, stats.getEntityKeys().size()); assertEquals(2, stats.getEntityCount()); // session.flush(); // session.close(); } catch (Exception e) { e.printStackTrace(); throw new RuntimeException("transactional failure while persisting planet entity", e); } // trans.commit(); session.close(); return planet; } // fetch planet public Planet getPlanet(Integer id) { Planet planet = sessionFactory.openSession().get(Planet.class, id); return planet; } // fetch satellites public boolean isSatellitesPresentInCache(Integer id) { boolean indicator = sessionFactory.getCache().containsCollection( org.jboss.as.test.integration.hibernate.Planet.class.getName() + ".satellites", id); return indicator; } // fetch statistics public Statistics getStatistics() { Statistics sessionStats = sessionFactory.getStatistics(); return sessionStats; } // fetch statistics after eviction of collection from cache public Statistics getStatisticsAfterEviction() { sessionFactory.getCache().evictCollection( org.jboss.as.test.integration.hibernate.Planet.class.getName() + ".satellites", new Integer(1)); Statistics sessionStats = sessionFactory.getStatistics(); return sessionStats; } }