Hibernate example source code file (M2MRelationNotAuditedTarget.java)

This example Hibernate source code file (M2MRelationNotAuditedTarget.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, arraylist, entitymanager, integer, integer, list, m2mrelationnotauditedtarget, m2mtargetnotauditedentity, m2mtargetnotauditedentity, priority, test, test, unversionedstrtestentity, unversionedstrtestentity, util

The Hibernate M2MRelationNotAuditedTarget.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.unidirectional;

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.manytomany.unidirectional.M2MTargetNotAuditedEntity;
import org.junit.Test;

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

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

/**
 * A test for auditing a many-to-many relation where the target entity is not audited.
 * @author Adam Warski
 */
public class M2MRelationNotAuditedTarget 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(M2MTargetNotAuditedEntity.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());

		M2MTargetNotAuditedEntity tnae1 = new M2MTargetNotAuditedEntity(1, "tnae1", new ArrayList<UnversionedStrTestEntity>());
		M2MTargetNotAuditedEntity tnae2 = new M2MTargetNotAuditedEntity(2, "tnae2", new ArrayList<UnversionedStrTestEntity>());
        tnae2.getReferences().add(uste1);
        tnae2.getReferences().add(uste2);
		em.persist(tnae1);
		em.persist(tnae2);

		em.getTransaction().commit();

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

		tnae1 = em.find(M2MTargetNotAuditedEntity.class, tnae1.getId());
		tnae2 = em.find(M2MTargetNotAuditedEntity.class, tnae2.getId());

		tnae1.getReferences().add(uste1);
		tnae2.getReferences().remove(uste1);

		em.getTransaction().commit();

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

		tnae1 = em.find(M2MTargetNotAuditedEntity.class, tnae1.getId());
		tnae2 = em.find(M2MTargetNotAuditedEntity.class, tnae2.getId());

		//field not changed!!!
		tnae1.getReferences().add(uste1);
		tnae2.getReferences().remove(uste2);

		em.getTransaction().commit();

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

		tnae1 = em.find(M2MTargetNotAuditedEntity.class, tnae1.getId());
		tnae2 = em.find(M2MTargetNotAuditedEntity.class, tnae2.getId());

		tnae1.getReferences().add(uste2);
		tnae2.getReferences().add(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(M2MTargetNotAuditedEntity.class, tnae1_id);
		assert Arrays.asList(1, 2, 4).equals(revisions);
		revisions = getAuditReader().getRevisions(M2MTargetNotAuditedEntity.class, tnae2_id);
		assert Arrays.asList(1, 2, 3, 4).equals(revisions);
	}

	@Test
	public void testHistoryOfTnae1_id() {
		UnversionedStrTestEntity uste1 = getEntityManager().find(UnversionedStrTestEntity.class, uste1_id);
		UnversionedStrTestEntity uste2 = getEntityManager().find(UnversionedStrTestEntity.class, uste2_id);

		M2MTargetNotAuditedEntity rev1 = getAuditReader().find(M2MTargetNotAuditedEntity.class, tnae1_id, 1);
		M2MTargetNotAuditedEntity rev2 = getAuditReader().find(M2MTargetNotAuditedEntity.class, tnae1_id, 2);
		M2MTargetNotAuditedEntity rev3 = getAuditReader().find(M2MTargetNotAuditedEntity.class, tnae1_id, 3);
		M2MTargetNotAuditedEntity rev4 = getAuditReader().find(M2MTargetNotAuditedEntity.class, tnae1_id, 4);

		assertTrue(checkList(rev1.getReferences()));
		assertTrue(checkList(rev2.getReferences(), uste1));
		assertTrue(checkList(rev3.getReferences(), uste1));
		assertTrue(checkList(rev4.getReferences(), uste1, uste2));
	}

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

		M2MTargetNotAuditedEntity rev1 = getAuditReader().find(M2MTargetNotAuditedEntity.class, tnae2_id, 1);
		M2MTargetNotAuditedEntity rev2 = getAuditReader().find(M2MTargetNotAuditedEntity.class, tnae2_id, 2);
		M2MTargetNotAuditedEntity rev3 = getAuditReader().find(M2MTargetNotAuditedEntity.class, tnae2_id, 3);
		M2MTargetNotAuditedEntity rev4 = getAuditReader().find(M2MTargetNotAuditedEntity.class, tnae2_id, 4);

		assertTrue(checkList(rev1.getReferences(), uste1, uste2));
		assertTrue(checkList(rev2.getReferences(), uste2));
		assertTrue(checkList(rev3.getReferences()));
		assertTrue(checkList(rev4.getReferences(), uste1));
	}
}