Java tutorial
/* * Hibernate, Relational Persistence for Idiomatic Java * * Copyright (c) 2010, Red Hat, Inc. and/or its affiliates 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 org.hibernate.search.test.embedded.graph; import org.apache.lucene.index.IndexReader; import org.hibernate.Session; import org.hibernate.search.test.SearchTestCase; /** * TestCase to verify proper management of saving of complex relations and collections. See HSEARCH-476 */ public class RecursiveGraphTest extends SearchTestCase { public void testCreateParentAndChild() throws Exception { Person[] people = new Person[2]; Person parent = new Person(); parent.setName("parent"); Person child = new Person(); child.setName("child"); connectChildToParent(child, parent); people[0] = parent; people[1] = child; savePeople(people); assertEquals(2, getDocumentNbr(Person.class)); } private void connectChildToParent(Person child, Person parent) { Event birthEvent = child.getBirthEvent(); child.setBirthEvent(birthEvent); ParentOfBirthEvent parentOfBirthEvent = new ParentOfBirthEvent(parent, child.getBirthEvent()); parent.getParentOfBirthEvents().add(parentOfBirthEvent); } public void savePeople(Person... people) { for (Person person : people) { if (person == null) { continue; } Session s = getSessions().openSession(); s.getTransaction().begin(); s.save(person); s.getTransaction().commit(); s.close(); } } @Override protected Class<?>[] getAnnotatedClasses() { return new Class[] { Event.class, Person.class, ParentOfBirthEvent.class }; } private int getDocumentNbr(Class type) throws Exception { IndexReader reader = IndexReader.open(getDirectory(type), false); try { return reader.numDocs(); } finally { reader.close(); } } }