alvinalexander.com | career | drupal | java | mac | mysql | perl | scala | uml | unix  

Hibernate example source code file (JoinColumnBidirectionalList.java)

This example Hibernate source code file (JoinColumnBidirectionalList.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, entitymanager, integer, integer, joincolumnbidirectionallist, listjoincolumnbidirectionalrefedentity, listjoincolumnbidirectionalrefedentity, listjoincolumnbidirectionalrefingentity, listjoincolumnbidirectionalrefingentity, priority, test, test, util

The Hibernate JoinColumnBidirectionalList.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.onetomany.detached;

import org.hibernate.ejb.Ejb3Configuration;
import org.hibernate.envers.test.AbstractEntityTest;
import org.hibernate.envers.test.Priority;
import org.hibernate.envers.test.entities.onetomany.detached.ListJoinColumnBidirectionalRefEdEntity;
import org.hibernate.envers.test.entities.onetomany.detached.ListJoinColumnBidirectionalRefIngEntity;
import org.junit.Test;

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

import static org.hibernate.envers.test.tools.TestTools.*;
import static org.junit.Assert.*;

/**
 * Test for a "fake" bidirectional mapping where one side uses @OneToMany+@JoinColumn (and thus owns the relatin),
 * and the other uses a @ManyToOne(insertable=false, updatable=false).
 * @author Adam Warski (adam at warski dot org)
 */
public class JoinColumnBidirectionalList extends AbstractEntityTest {
    private Integer ed1_id;
    private Integer ed2_id;

    private Integer ing1_id;
    private Integer ing2_id;

    public void configure(Ejb3Configuration cfg) {
        cfg.addAnnotatedClass(ListJoinColumnBidirectionalRefIngEntity.class);
        cfg.addAnnotatedClass(ListJoinColumnBidirectionalRefEdEntity.class);
    }

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

        ListJoinColumnBidirectionalRefEdEntity ed1 = new ListJoinColumnBidirectionalRefEdEntity("ed1", null);
        ListJoinColumnBidirectionalRefEdEntity ed2 = new ListJoinColumnBidirectionalRefEdEntity("ed2", null);

        ListJoinColumnBidirectionalRefIngEntity ing1 = new ListJoinColumnBidirectionalRefIngEntity("coll1", ed1);
        ListJoinColumnBidirectionalRefIngEntity ing2 = new ListJoinColumnBidirectionalRefIngEntity("coll1", ed2);

        // Revision 1 (ing1: ed1, ing2: ed2)
        em.getTransaction().begin();

        em.persist(ed1);
        em.persist(ed2);
        em.persist(ing1);
        em.persist(ing2);

        em.getTransaction().commit();

        // Revision 2 (ing1: ed1, ed2)
        em.getTransaction().begin();

        ing1 = em.find(ListJoinColumnBidirectionalRefIngEntity.class, ing1.getId());
        ing2 = em.find(ListJoinColumnBidirectionalRefIngEntity.class, ing2.getId());
        ed1 = em.find(ListJoinColumnBidirectionalRefEdEntity.class, ed1.getId());
        ed2 = em.find(ListJoinColumnBidirectionalRefEdEntity.class, ed2.getId());

        ing2.getReferences().remove(ed2);
        ing1.getReferences().add(ed2);

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

        // No revision - no changes
        em.getTransaction().begin();

        ing1 = em.find(ListJoinColumnBidirectionalRefIngEntity.class, ing1.getId());
        ing2 = em.find(ListJoinColumnBidirectionalRefIngEntity.class, ing2.getId());
        ed1 = em.find(ListJoinColumnBidirectionalRefEdEntity.class, ed1.getId());
        ed2 = em.find(ListJoinColumnBidirectionalRefEdEntity.class, ed2.getId());

        ed2.setOwner(ing2);

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

        // Revision 3 (ing1: ed1, ed2)
        em.getTransaction().begin();

        ed1 = em.find(ListJoinColumnBidirectionalRefEdEntity.class, ed1.getId());

        ed1.setData("ed1 bis");
        // Shouldn't get written
        ed1.setOwner(ing2);

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

        // Revision 4 (ing2: ed1, ed2)
        em.getTransaction().begin();

        ing1 = em.find(ListJoinColumnBidirectionalRefIngEntity.class, ing1.getId());
        ing2 = em.find(ListJoinColumnBidirectionalRefIngEntity.class, ing2.getId());

        ing1.getReferences().clear();
        ing2.getReferences().add(ed1);
        ing2.getReferences().add(ed2);

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

        //

        ing1_id = ing1.getId();
        ing2_id = ing2.getId();

        ed1_id = ed1.getId();
        ed2_id = ed2.getId();
    }

    @Test
    public void testRevisionsCounts() {
        assertEquals(Arrays.asList(1, 2, 4), getAuditReader().getRevisions(ListJoinColumnBidirectionalRefIngEntity.class, ing1_id));
        assertEquals(Arrays.asList(1, 2, 4), getAuditReader().getRevisions(ListJoinColumnBidirectionalRefIngEntity.class, ing2_id));

        assertEquals(Arrays.asList(1, 3, 4), getAuditReader().getRevisions(ListJoinColumnBidirectionalRefEdEntity.class, ed1_id));
        assertEquals(Arrays.asList(1, 2, 4), getAuditReader().getRevisions(ListJoinColumnBidirectionalRefEdEntity.class, ed2_id));
    }

    @Test
    public void testHistoryOfIng1() {
        ListJoinColumnBidirectionalRefEdEntity ed1_fromRev1 = new ListJoinColumnBidirectionalRefEdEntity(ed1_id, "ed1", null);
        ListJoinColumnBidirectionalRefEdEntity ed1_fromRev3 = new ListJoinColumnBidirectionalRefEdEntity(ed1_id, "ed1 bis", null);
        ListJoinColumnBidirectionalRefEdEntity ed2 = getEntityManager().find(ListJoinColumnBidirectionalRefEdEntity.class, ed2_id);

        ListJoinColumnBidirectionalRefIngEntity rev1 = getAuditReader().find(ListJoinColumnBidirectionalRefIngEntity.class, ing1_id, 1);
        ListJoinColumnBidirectionalRefIngEntity rev2 = getAuditReader().find(ListJoinColumnBidirectionalRefIngEntity.class, ing1_id, 2);
        ListJoinColumnBidirectionalRefIngEntity rev3 = getAuditReader().find(ListJoinColumnBidirectionalRefIngEntity.class, ing1_id, 3);
        ListJoinColumnBidirectionalRefIngEntity rev4 = getAuditReader().find(ListJoinColumnBidirectionalRefIngEntity.class, ing1_id, 4);

        assertTrue(checkList(rev1.getReferences(), ed1_fromRev1));
        assertTrue(checkList(rev2.getReferences(), ed1_fromRev1, ed2));
        assertTrue(checkList(rev3.getReferences(), ed1_fromRev3, ed2));
        assertTrue(checkList(rev4.getReferences()));
    }

    @Test
    public void testHistoryOfIng2() {
        ListJoinColumnBidirectionalRefEdEntity ed1 = getEntityManager().find(ListJoinColumnBidirectionalRefEdEntity.class, ed1_id);
        ListJoinColumnBidirectionalRefEdEntity ed2 = getEntityManager().find(ListJoinColumnBidirectionalRefEdEntity.class, ed2_id);

        ListJoinColumnBidirectionalRefIngEntity rev1 = getAuditReader().find(ListJoinColumnBidirectionalRefIngEntity.class, ing2_id, 1);
        ListJoinColumnBidirectionalRefIngEntity rev2 = getAuditReader().find(ListJoinColumnBidirectionalRefIngEntity.class, ing2_id, 2);
        ListJoinColumnBidirectionalRefIngEntity rev3 = getAuditReader().find(ListJoinColumnBidirectionalRefIngEntity.class, ing2_id, 3);
        ListJoinColumnBidirectionalRefIngEntity rev4 = getAuditReader().find(ListJoinColumnBidirectionalRefIngEntity.class, ing2_id, 4);

        assertTrue(checkList(rev1.getReferences(), ed2));
        assertTrue(checkList(rev2.getReferences()));
        assertTrue(checkList(rev3.getReferences()));
        assertTrue(checkList(rev4.getReferences(), ed1, ed2));
    }

    @Test
    public void testHistoryOfEd1() {
        ListJoinColumnBidirectionalRefIngEntity ing1 = getEntityManager().find(ListJoinColumnBidirectionalRefIngEntity.class, ing1_id);
        ListJoinColumnBidirectionalRefIngEntity ing2 = getEntityManager().find(ListJoinColumnBidirectionalRefIngEntity.class, ing2_id);

        ListJoinColumnBidirectionalRefEdEntity rev1 = getAuditReader().find(ListJoinColumnBidirectionalRefEdEntity.class, ed1_id, 1);
        ListJoinColumnBidirectionalRefEdEntity rev2 = getAuditReader().find(ListJoinColumnBidirectionalRefEdEntity.class, ed1_id, 2);
        ListJoinColumnBidirectionalRefEdEntity rev3 = getAuditReader().find(ListJoinColumnBidirectionalRefEdEntity.class, ed1_id, 3);
        ListJoinColumnBidirectionalRefEdEntity rev4 = getAuditReader().find(ListJoinColumnBidirectionalRefEdEntity.class, ed1_id, 4);

        assertTrue(rev1.getOwner().equals(ing1));
        assertTrue(rev2.getOwner().equals(ing1));
        assertTrue(rev3.getOwner().equals(ing1));
        assertTrue(rev4.getOwner().equals(ing2));

        assertEquals(rev1.getData(), "ed1");
        assertEquals(rev2.getData(), "ed1");
        assertEquals(rev3.getData(), "ed1 bis");
        assertEquals(rev4.getData(), "ed1 bis");
    }

    @Test
    public void testHistoryOfEd2() {
        ListJoinColumnBidirectionalRefIngEntity ing1 = getEntityManager().find(ListJoinColumnBidirectionalRefIngEntity.class, ing1_id);
        ListJoinColumnBidirectionalRefIngEntity ing2 = getEntityManager().find(ListJoinColumnBidirectionalRefIngEntity.class, ing2_id);

        ListJoinColumnBidirectionalRefEdEntity rev1 = getAuditReader().find(ListJoinColumnBidirectionalRefEdEntity.class, ed2_id, 1);
        ListJoinColumnBidirectionalRefEdEntity rev2 = getAuditReader().find(ListJoinColumnBidirectionalRefEdEntity.class, ed2_id, 2);
        ListJoinColumnBidirectionalRefEdEntity rev3 = getAuditReader().find(ListJoinColumnBidirectionalRefEdEntity.class, ed2_id, 3);
        ListJoinColumnBidirectionalRefEdEntity rev4 = getAuditReader().find(ListJoinColumnBidirectionalRefEdEntity.class, ed2_id, 4);

        assertTrue(rev1.getOwner().equals(ing2));
        assertTrue(rev2.getOwner().equals(ing1));
        assertTrue(rev3.getOwner().equals(ing1));
        assertTrue(rev4.getOwner().equals(ing2));

        assertEquals(rev1.getData(), "ed2");
        assertEquals(rev2.getData(), "ed2");
        assertEquals(rev3.getData(), "ed2");
        assertEquals(rev4.getData(), "ed2");
    }
}

Other Hibernate examples (source code examples)

Here is a short list of links related to this Hibernate JoinColumnBidirectionalList.java source code file:

... this post is sponsored by my books ...

#1 New Release!

FP Best Seller

 

new blog posts

 

Copyright 1998-2021 Alvin Alexander, alvinalexander.com
All Rights Reserved.

A percentage of advertising revenue from
pages under the /java/jwarehouse URI on this website is
paid back to open source projects.