/* * 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 hibernateTest.models; import java.util.Date; import java.util.List; import com.sun.org.apache.xerces.internal.util.SynchronizedSymbolTable; import hibernateTest.entities.Event; import hibernateTest.entities.Group; import hibernateTest.entities.Request; import org.hibernate.Criteria; import org.hibernate.criterion.Restrictions; 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 use of Hibernate native APIs. * * @author Steve Ebersole */ public class NativeApiIllustrationTest { private SessionFactory sessionFactory; public void setUp() { // 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. StandardServiceRegistryBuilder.destroy( registry ); } } public void tearDown() { try { if ( sessionFactory != null ) { sessionFactory.close(); } } catch (Exception e) { System.out.println("Exception!"); } } public void testBasicUsage() { /*データの保存(データベースに投入)*/ Session session = sessionFactory.openSession(); session.beginTransaction(); session.save( new Event( "Our very first event!", new Date() ) ); session.save( new Event( "A follow up event", new Date() ) ); session.save( new Group("111", "http://test1", "family", "011" ) ); session.save( new Group("222", "http://test2", "friend", "022" ) ); Group newGroup = new Group("333", "http://test3", "school", "033" ); session.save(newGroup); //インスタンスを引数に渡すこともできます session.save( new Request("111", "http://test01", "1999.01.01", "011", "cookie", "1999.04.10",011)); session.save( new Request("222", "http://test02", "1999.02.02", "033", "milk", "1999.04.10",011)); session.save( new Request("333", "http://test03", "1999.03.03", "033", "ice", "1999.04.10",011)); session.getTransaction().commit(); session.close(); /*データ(レコード)の取得し削除。*/ //注意: この例ではデータを取得する際、ID(主キー)を指定しているため、複数のデータが返されることを想定していません。 session = sessionFactory.openSession(); session.beginTransaction(); //load()メソッドを用いて取得する方法。 Request deletedRequest = (Request) session.load(Request.class, "222"); //データの削除 if(deletedRequest != null){ session.delete(deletedRequest); } session.getTransaction().commit(); session.close(); /*データを取得し更新*/ session = sessionFactory.openSession(); session.beginTransaction(); //createCriteriaを用いて取得する方法。ただし非推奨。 //http://a4dosanddos.hatenablog.com/entry/2015/03/21/135421 Criteria criteria = session.createCriteria(Request.class).add(Restrictions.eq("rId", "333")); Request editRequest = (Request) criteria.uniqueResult(); //データの更新 if(editRequest != null) { editRequest.setProduct("Chocolate ice !!"); session.update(editRequest); } session.getTransaction().commit(); session.close(); /*全件取得と出力*/ session = sessionFactory.openSession(); session.beginTransaction(); List result = session.createQuery( "from Event" ).list(); for ( Event event : (List<Event>) result ) { System.out.println( "Event (" + event.getDate() + ") : " + event.getTitle() ); } List groupResult = session.createQuery( "from Group" ).list(); for ( Group group : (List<Group>) groupResult ) { System.out.println( "Group (" + group.getgId() + ") : " + group.getUri() + ": " + group.getName()); } List requestResult = session.createQuery( "from Request" ).list(); for ( Request request : (List<Request>) requestResult ) { System.out.println( "Request (" + request.getrId() + ") : " + request.getUri() + ": " + request.getProduct()); } session.getTransaction().commit(); session.close(); } }