basichibernateannotationstest.java

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//$Id: BasicHibernateAnnotationsTest.java,v 1.3 2005/02/25 12:44:44 maxcsaucdk Exp $
package org.hibernate.test.metadata.entity;

import org.hibernate.test.metadata.TestCase;
import org.hibernate.*;

import java.util.Iterator;

/**
 * @author Emmanuel Bernard
 */
public class BasicHibernateAnnotationsTest extends TestCase {

	public void testEntity() throws Exception {
		Forest forest = new Forest();
		forest.setName("Fontainebleau");
		Session s;
		Transaction tx;
		s = openSession();
		tx = s.beginTransaction();
		s.persist(forest);
		tx.commit();
		s.close();

		s = openSession();
		tx = s.beginTransaction();
		forest = (Forest) s.get( Forest.class, forest.getId() );
		assertNotNull(forest);
		forest.setName("Fontainebleau");
		//should not execute SQL update
		tx.commit();
		s.close();

		s = openSession();
		tx = s.beginTransaction();
		forest = (Forest) s.get( Forest.class, forest.getId() );
		assertNotNull(forest);
		forest.setLength(23);
		//should execute dynamic SQL update
		tx.commit();
		s.close();
	}

	public void testVersioning() throws Exception {
		Forest forest = new Forest();
		forest.setName("Fontainebleau");
		forest.setLength(33);
		Session s;
		Transaction tx;
		s = openSession();
		tx = s.beginTransaction();
		s.persist(forest);
		tx.commit();
		s.close();

		Session parallelSession = openSession();
		Transaction parallelTx = parallelSession.beginTransaction();
		s = openSession();
		tx = s.beginTransaction();

		forest = (Forest) parallelSession.get(Forest.class, forest.getId() );
		Forest reloadedForest = (Forest) s.get(Forest.class, forest.getId() );
		reloadedForest.setLength(11);
		assertNotSame(forest, reloadedForest);
		tx.commit();
		s.close();

		forest.setLength(22);
		try {
			parallelTx.commit();
			fail("All optimistic locking should have make it fail");
		}
		catch (HibernateException e) {

		}
		parallelSession.close();
	}

	public void testPolymorphism() throws Exception {
		Forest forest = new Forest();
		forest.setName("Fontainebleau");
		forest.setLength(33);
		Session s;
		Transaction tx;
		s = openSession();
		tx = s.beginTransaction();
		s.persist(forest);
		tx.commit();
		s.close();

		s = openSession();
		tx = s.beginTransaction();
		Query query = s.createQuery("from java.lang.Object");
		assertEquals( 0, query.list().size() );
		query = s.createQuery("from Forest");
		assertTrue( 0 < query.list().size() );
		tx.commit();
		s.close();
	}

	public void testType() throws Exception {
		Forest f = new Forest();
		f.setName("Broceliande");
		String description = "C'est une enorme foret enchant閑 o