org.hibernate.search.test.embedded.graph.RecursiveGraphTest.java Source code

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/*
 * 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();
        }
    }

}