Hibernate example source code file (RelationNotAuditedTarget.java)

This example Hibernate source code file (RelationNotAuditedTarget.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, hibernateproxy, integer, integer, list, priority, relationnotauditedtarget, targetnotauditedentity, targetnotauditedentity, test, test, unversionedstrtestentity, unversionedstrtestentity, util

The Hibernate RelationNotAuditedTarget.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.manytoone.unidirectional;

import org.hibernate.Hibernate;
import org.hibernate.ejb.Ejb3Configuration;
import org.hibernate.envers.test.AbstractEntityTest;
import org.hibernate.envers.test.Priority;
import org.hibernate.envers.test.entities.UnversionedStrTestEntity;
import org.hibernate.envers.test.entities.manytoone.unidirectional.TargetNotAuditedEntity;
import org.hibernate.proxy.HibernateProxy;
import org.hibernate.proxy.HibernateProxyHelper;
import org.junit.Test;

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

/**
 * @author Tomasz Bech
 */
public class RelationNotAuditedTarget extends AbstractEntityTest {
	private Integer tnae1_id;
	private Integer tnae2_id;

	private Integer uste1_id;
	private Integer uste2_id;

	public void configure(Ejb3Configuration cfg) {
		cfg.addAnnotatedClass(TargetNotAuditedEntity.class);
		cfg.addAnnotatedClass(UnversionedStrTestEntity.class);
	}

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

		UnversionedStrTestEntity uste1 = new UnversionedStrTestEntity("str1");
		UnversionedStrTestEntity uste2 = new UnversionedStrTestEntity("str2");

		// No revision
		em.getTransaction().begin();

		em.persist(uste1);
		em.persist(uste2);

		em.getTransaction().commit();

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

		uste1 = em.find(UnversionedStrTestEntity.class, uste1.getId());
		uste2 = em.find(UnversionedStrTestEntity.class, uste2.getId());

		TargetNotAuditedEntity tnae1 = new TargetNotAuditedEntity(1, "tnae1", uste1);
		TargetNotAuditedEntity tnae2 = new TargetNotAuditedEntity(2, "tnae2", uste2);
		em.persist(tnae1);
		em.persist(tnae2);

		em.getTransaction().commit();

		// Revision 2
		em.getTransaction().begin();

		tnae1 = em.find(TargetNotAuditedEntity.class, tnae1.getId());
		tnae2 = em.find(TargetNotAuditedEntity.class, tnae2.getId());

		tnae1.setReference(uste2);
		tnae2.setReference(uste1);

		em.getTransaction().commit();

		// Revision 3
		em.getTransaction().begin();

		tnae1 = em.find(TargetNotAuditedEntity.class, tnae1.getId());
		tnae2 = em.find(TargetNotAuditedEntity.class, tnae2.getId());

		//field not changed!!!
		tnae1.setReference(uste2);
		tnae2.setReference(uste2);

		em.getTransaction().commit();

		// Revision 4
		em.getTransaction().begin();

		tnae1 = em.find(TargetNotAuditedEntity.class, tnae1.getId());
		tnae2 = em.find(TargetNotAuditedEntity.class, tnae2.getId());

		tnae1.setReference(uste1);
		tnae2.setReference(uste1);

		em.getTransaction().commit();

		//
		tnae1_id = tnae1.getId();
		tnae2_id = tnae2.getId();
		uste1_id = uste1.getId();
		uste2_id = uste2.getId();
	}

	@Test
	public void testRevisionsCounts() {
		List<Number> revisions = getAuditReader().getRevisions(TargetNotAuditedEntity.class, tnae1_id);
		assert Arrays.asList(1, 2, 4).equals(revisions);
		revisions = getAuditReader().getRevisions(TargetNotAuditedEntity.class, tnae2_id);
		assert Arrays.asList(1, 2, 3, 4).equals(revisions);
	}

	@Test
	public void testHistoryOfTnae1_id() {
		// load original "tnae1" TargetNotAuditedEntity to force load "str1" UnversionedStrTestEntity as Proxy
		TargetNotAuditedEntity original = getEntityManager().find(TargetNotAuditedEntity.class, tnae1_id);

		UnversionedStrTestEntity uste1 = getEntityManager().find(UnversionedStrTestEntity.class, uste1_id);
		UnversionedStrTestEntity uste2 = getEntityManager().find(UnversionedStrTestEntity.class, uste2_id);

		TargetNotAuditedEntity rev1 = getAuditReader().find(TargetNotAuditedEntity.class, tnae1_id, 1);
		TargetNotAuditedEntity rev2 = getAuditReader().find(TargetNotAuditedEntity.class, tnae1_id, 2);
		TargetNotAuditedEntity rev3 = getAuditReader().find(TargetNotAuditedEntity.class, tnae1_id, 3);
		TargetNotAuditedEntity rev4 = getAuditReader().find(TargetNotAuditedEntity.class, tnae1_id, 4);

		assert rev1.getReference().equals(uste1);
		assert rev2.getReference().equals(uste2);
		assert rev3.getReference().equals(uste2);
		assert rev4.getReference().equals(uste1);

		assert original.getReference() instanceof HibernateProxy;
		assert UnversionedStrTestEntity.class.equals(Hibernate.getClass(original.getReference()));
		assert UnversionedStrTestEntity.class.equals(HibernateProxyHelper.getClassWithoutInitializingProxy(rev1.getReference()));
		assert UnversionedStrTestEntity.class.equals(Hibernate.getClass(rev1.getReference()));
	}

	@Test
	public void testHistoryOfTnae2_id() {
		UnversionedStrTestEntity uste1 = getEntityManager().find(UnversionedStrTestEntity.class, uste1_id);
		UnversionedStrTestEntity uste2 = getEntityManager().find(UnversionedStrTestEntity.class, uste2_id);

		TargetNotAuditedEntity rev1 = getAuditReader().find(TargetNotAuditedEntity.class, tnae2_id, 1);
		TargetNotAuditedEntity rev2 = getAuditReader().find(TargetNotAuditedEntity.class, tnae2_id, 2);
		TargetNotAuditedEntity rev3 = getAuditReader().find(TargetNotAuditedEntity.class, tnae2_id, 3);
		TargetNotAuditedEntity rev4 = getAuditReader().find(TargetNotAuditedEntity.class, tnae2_id, 4);

		assert rev1.getReference().equals(uste2);
		assert rev2.getReference().equals(uste1);
		assert rev3.getReference().equals(uste2);
		assert rev4.getReference().equals(uste1);
	}
}