Hibernate example source code file (ManyToManyInverseToSuperclassTest.java)

This example Hibernate source code file (ManyToManyInverseToSuperclassTest.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, arraylist, detailsubclass, detailsubclass2, io, manytomanyinversetosuperclasstest, master, master, net, network, priority, priority, runtimeexception, test, test, urisyntaxexception, util

The Hibernate ManyToManyInverseToSuperclassTest.java source code

package org.hibernate.envers.test.integration.manytomany.inverseToSuperclass;

import org.hibernate.ejb.Ejb3Configuration;
import org.hibernate.envers.test.AbstractEntityTest;
import org.hibernate.envers.test.Priority;
import org.junit.Test;

import javax.persistence.EntityManager;
import java.io.File;
import java.net.URISyntaxException;
import java.net.URL;
import java.util.ArrayList;

/**
 * @author Hern�n Chanfreau
 * 
 */

public class ManyToManyInverseToSuperclassTest extends AbstractEntityTest {

	private long m1_id;

	public void configure(Ejb3Configuration cfg) {
		try {
			URL url = Thread.currentThread().getContextClassLoader()
					.getResource(
							"mappings/manyToMany/inverseToSuperclass/mappings.hbm.xml");
			cfg.addFile(new File(url.toURI()));
		} catch (URISyntaxException e) {
			throw new RuntimeException(e);
		}
	}

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

		Master m1 = new Master();
		DetailSubclass det1 = new DetailSubclass2();

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

		det1.setStr2("detail 1");

		m1.setStr("master");
		m1.setItems(new ArrayList<DetailSubclass>());
		m1.getItems().add(det1);

		det1.setMasters(new ArrayList<Master>());
		det1.getMasters().add(m1);

		em.persist(m1);
		em.getTransaction().commit();
		m1_id = m1.getId();

		// Revision 2
//		em.getTransaction().begin();
//
//		m1 = em.find(Master.class, m1_id);
//
//		det2.setStr2("detail 2");
//		det2.setParent(m1);
//		m1.getItems().add(det2);
//		em.getTransaction().commit();
//
//		// Revision 3
//		em.getTransaction().begin();
//
//		m1 = em.find(Master.class, m1_id);
//		m1.setStr("new master");
//
//		det1 = m1.getItems().get(0);
//		det1.setStr2("new detail");
//		DetailSubclass det3 = new DetailSubclass2();
//		det3.setStr2("detail 3");
//		det3.setParent(m1);
//
//		m1.getItems().get(1).setParent(null);
//		// m1.getItems().remove(1);
//		m1.getItems().add(det3);
//
//		em.persist(m1);
//		em.getTransaction().commit();
//
//		// Revision 4
//		em.getTransaction().begin();
//
//		m1 = em.find(Master.class, m1_id);
//
//		det1 = m1.getItems().get(0);
//		det1.setParent(null);
//		// m1.getItems().remove(det1);
//
//		em.persist(m1);
//		em.getTransaction().commit();

	}

	@Test
	public void testHistoryExists() {
		Master rev1_1 = getAuditReader().find(Master.class, m1_id, 1);
		Master rev1_2 = getAuditReader().find(Master.class, m1_id, 2);
		Master rev1_3 = getAuditReader().find(Master.class, m1_id, 3);
		Master rev1_4 = getAuditReader().find(Master.class, m1_id, 4);

		assert (rev1_1 != null);
		assert (rev1_2 != null);
		assert (rev1_3 != null);
		assert (rev1_4 != null);
	}

}