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Hibernate example source code file (BasicBiowned.java)

This example Hibernate source code file (BasicBiowned.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Java - Hibernate tags/keywords

abstractentitytest, basicbiowned, entitymanager, integer, integer, listbiowning1entity, listbiowning1entity, listbiowning2entity, listbiowning2entity, priority, test, test, util

The Hibernate BasicBiowned.java source code

/*
 * Hibernate, Relational Persistence for Idiomatic Java
 *
 * Copyright (c) 2008, Red Hat Middleware LLC 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 Middleware LLC.
 *
 * 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.envers.test.integration.manytomany.biowned;

import org.hibernate.ejb.Ejb3Configuration;
import org.hibernate.envers.test.AbstractEntityTest;
import org.hibernate.envers.test.Priority;
import org.hibernate.envers.test.entities.manytomany.biowned.ListBiowning1Entity;
import org.hibernate.envers.test.entities.manytomany.biowned.ListBiowning2Entity;
import org.hibernate.envers.test.tools.TestTools;
import org.junit.Test;

import javax.persistence.EntityManager;
import java.util.Arrays;

import static org.junit.Assert.*;

/**
 * @author Adam Warski (adam at warski dot org)
 */
public class BasicBiowned extends AbstractEntityTest {
    private Integer o1_1_id;
    private Integer o1_2_id;
    private Integer o2_1_id;
    private Integer o2_2_id;

    public void configure(Ejb3Configuration cfg) {
        cfg.addAnnotatedClass(ListBiowning1Entity.class);
        cfg.addAnnotatedClass(ListBiowning2Entity.class);
    }

    @Test
    @Priority(10)
    public void initData() {
        EntityManager em = getEntityManager();

        ListBiowning1Entity o1_1 = new ListBiowning1Entity("o1_1");
        ListBiowning1Entity o1_2 = new ListBiowning1Entity("o1_2");
        ListBiowning2Entity o2_1 = new ListBiowning2Entity("o2_1");
        ListBiowning2Entity o2_2 = new ListBiowning2Entity("o2_2");

        // Revision 1
        em.getTransaction().begin();

        em.persist(o1_1);
        em.persist(o1_2);
        em.persist(o2_1);
        em.persist(o2_2);

        em.getTransaction().commit();
        em.clear();

        // Revision 2 (1_1 <-> 2_1; 1_2 <-> 2_2)

        em.getTransaction().begin();

        o1_1 = em.find(ListBiowning1Entity.class, o1_1.getId());
        o1_2 = em.find(ListBiowning1Entity.class, o1_2.getId());
        o2_1 = em.find(ListBiowning2Entity.class, o2_1.getId());
        o2_2 = em.find(ListBiowning2Entity.class, o2_2.getId());

        o1_1.getReferences().add(o2_1);
        o1_2.getReferences().add(o2_2);

        em.getTransaction().commit();
        em.clear();

        // Revision 3 (1_1 <-> 2_1, 2_2; 1_2 <-> 2_2)
        em.getTransaction().begin();

        o1_1 = em.find(ListBiowning1Entity.class, o1_1.getId());
        o2_2 = em.find(ListBiowning2Entity.class, o2_2.getId());

        o1_1.getReferences().add(o2_2);

        em.getTransaction().commit();
        em.clear();

        // Revision 4 (1_2 <-> 2_1, 2_2)
        em.getTransaction().begin();

        o1_1 = em.find(ListBiowning1Entity.class, o1_1.getId());
        o1_2 = em.find(ListBiowning1Entity.class, o1_2.getId());
        o2_1 = em.find(ListBiowning2Entity.class, o2_1.getId());
        o2_2 = em.find(ListBiowning2Entity.class, o2_2.getId());

        o2_2.getReferences().remove(o1_1);
        o2_1.getReferences().remove(o1_1);
        o2_1.getReferences().add(o1_2);

        em.getTransaction().commit();
        em.clear();

        // Revision 5 (1_1 <-> 2_2, 1_2 <-> 2_2)
        em.getTransaction().begin();

        o1_1 = em.find(ListBiowning1Entity.class, o1_1.getId());
        o1_2 = em.find(ListBiowning1Entity.class, o1_2.getId());
        o2_1 = em.find(ListBiowning2Entity.class, o2_1.getId());
        o2_2 = em.find(ListBiowning2Entity.class, o2_2.getId());

        o1_2.getReferences().remove(o2_1);
        o1_1.getReferences().add(o2_2);

        em.getTransaction().commit();
        em.clear();

        //

        o1_1_id = o1_1.getId();
        o1_2_id = o1_2.getId();
        o2_1_id = o2_1.getId();
        o2_2_id = o2_2.getId();
    }

    @Test
    public void testRevisionsCounts() {
        // Although it would seem that when modifying references both entities should be marked as modified, because
        // ownly the owning side is notified (because of the bi-owning mapping), a revision is created only for
        // the entity where the collection was directly modified.

        assertEquals(Arrays.asList(1, 2, 3, 5), getAuditReader().getRevisions(ListBiowning1Entity.class, o1_1_id));
        assertEquals(Arrays.asList(1, 2, 5), getAuditReader().getRevisions(ListBiowning1Entity.class, o1_2_id));

        assertEquals(Arrays.asList(1, 4), getAuditReader().getRevisions(ListBiowning2Entity.class, o2_1_id));
        assertEquals(Arrays.asList(1, 4), getAuditReader().getRevisions(ListBiowning2Entity.class, o2_2_id));
    }

    @Test
    public void testHistoryOfO1_1() {
        ListBiowning2Entity o2_1 = getEntityManager().find(ListBiowning2Entity.class, o2_1_id);
        ListBiowning2Entity o2_2 = getEntityManager().find(ListBiowning2Entity.class, o2_2_id);

        ListBiowning1Entity rev1 = getAuditReader().find(ListBiowning1Entity.class, o1_1_id, 1);
        ListBiowning1Entity rev2 = getAuditReader().find(ListBiowning1Entity.class, o1_1_id, 2);
        ListBiowning1Entity rev3 = getAuditReader().find(ListBiowning1Entity.class, o1_1_id, 3);
        ListBiowning1Entity rev4 = getAuditReader().find(ListBiowning1Entity.class, o1_1_id, 4);
        ListBiowning1Entity rev5 = getAuditReader().find(ListBiowning1Entity.class, o1_1_id, 5);

        assert TestTools.checkList(rev1.getReferences());
        assert TestTools.checkList(rev2.getReferences(), o2_1);
        assert TestTools.checkList(rev3.getReferences(), o2_1, o2_2);
        assert TestTools.checkList(rev4.getReferences());
        assert TestTools.checkList(rev5.getReferences(), o2_2);
    }

    @Test
    public void testHistoryOfO1_2() {
        ListBiowning2Entity o2_1 = getEntityManager().find(ListBiowning2Entity.class, o2_1_id);
        ListBiowning2Entity o2_2 = getEntityManager().find(ListBiowning2Entity.class, o2_2_id);

        ListBiowning1Entity rev1 = getAuditReader().find(ListBiowning1Entity.class, o1_2_id, 1);
        ListBiowning1Entity rev2 = getAuditReader().find(ListBiowning1Entity.class, o1_2_id, 2);
        ListBiowning1Entity rev3 = getAuditReader().find(ListBiowning1Entity.class, o1_2_id, 3);
        ListBiowning1Entity rev4 = getAuditReader().find(ListBiowning1Entity.class, o1_2_id, 4);
        ListBiowning1Entity rev5 = getAuditReader().find(ListBiowning1Entity.class, o1_2_id, 5);

        assert TestTools.checkList(rev1.getReferences());
        assert TestTools.checkList(rev2.getReferences(), o2_2);
        assert TestTools.checkList(rev3.getReferences(), o2_2);
        assert TestTools.checkList(rev4.getReferences(), o2_1, o2_2);
        System.out.println("rev5.getReferences() = " + rev5.getReferences());
        assert TestTools.checkList(rev5.getReferences(), o2_2);
    }

    @Test
    public void testHistoryOfO2_1() {
        ListBiowning1Entity o1_1 = getEntityManager().find(ListBiowning1Entity.class, o1_1_id);
        ListBiowning1Entity o1_2 = getEntityManager().find(ListBiowning1Entity.class, o1_2_id);

        ListBiowning2Entity rev1 = getAuditReader().find(ListBiowning2Entity.class, o1_1_id, 1);
        ListBiowning2Entity rev2 = getAuditReader().find(ListBiowning2Entity.class, o1_1_id, 2);
        ListBiowning2Entity rev3 = getAuditReader().find(ListBiowning2Entity.class, o1_1_id, 3);
        ListBiowning2Entity rev4 = getAuditReader().find(ListBiowning2Entity.class, o1_1_id, 4);
        ListBiowning2Entity rev5 = getAuditReader().find(ListBiowning2Entity.class, o1_1_id, 5);

        assert TestTools.checkList(rev1.getReferences());
        assert TestTools.checkList(rev2.getReferences(), o1_1);
        assert TestTools.checkList(rev3.getReferences(), o1_1);
        assert TestTools.checkList(rev4.getReferences(), o1_2);
        assert TestTools.checkList(rev5.getReferences());
    }

    @Test
    public void testHistoryOfO2_2() {
        ListBiowning1Entity o1_1 = getEntityManager().find(ListBiowning1Entity.class, o1_1_id);
        ListBiowning1Entity o1_2 = getEntityManager().find(ListBiowning1Entity.class, o1_2_id);

        ListBiowning2Entity rev1 = getAuditReader().find(ListBiowning2Entity.class, o1_2_id, 1);
        ListBiowning2Entity rev2 = getAuditReader().find(ListBiowning2Entity.class, o1_2_id, 2);
        ListBiowning2Entity rev3 = getAuditReader().find(ListBiowning2Entity.class, o1_2_id, 3);
        ListBiowning2Entity rev4 = getAuditReader().find(ListBiowning2Entity.class, o1_2_id, 4);
        ListBiowning2Entity rev5 = getAuditReader().find(ListBiowning2Entity.class, o1_2_id, 5);

        assert TestTools.checkList(rev1.getReferences());
        assert TestTools.checkList(rev2.getReferences(), o1_2);
        assert TestTools.checkList(rev3.getReferences(), o1_1, o1_2);
        assert TestTools.checkList(rev4.getReferences(), o1_2);
        assert TestTools.checkList(rev5.getReferences(), o1_1, o1_2);
    }
}

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