/*
* Hibernate, Relational Persistence for Idiomatic Java
*
* License: GNU Lesser General Public License (LGPL), version 2.1 or later.
* See the lgpl.txt file in the root directory or <http://www.gnu.org/licenses/lgpl-2.1.html>.
*/
package org.hibernate.test.naturalid.immutable;
import javax.persistence.PersistenceException;
import java.lang.reflect.Field;
import org.junit.Test;
import org.hibernate.FetchMode;
import org.hibernate.Session;
import org.hibernate.Transaction;
import org.hibernate.cfg.Configuration;
import org.hibernate.cfg.Environment;
import org.hibernate.criterion.Restrictions;
import org.hibernate.persister.entity.EntityPersister;
import org.hibernate.testing.TestForIssue;
import org.hibernate.testing.junit4.BaseCoreFunctionalTestCase;
import org.hibernate.tuple.entity.EntityMetamodel;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.fail;
/**
* @author Alex Burgel
*/
public class ImmutableEntityNaturalIdTest extends BaseCoreFunctionalTestCase {
public String[] getMappings() {
return new String[] { "naturalid/immutable/ParentChildWithManyToOne.hbm.xml" };
}
public void configure(Configuration cfg) {
cfg.setProperty(Environment.USE_SECOND_LEVEL_CACHE, "true");
cfg.setProperty(Environment.USE_QUERY_CACHE, "true");
cfg.setProperty(Environment.GENERATE_STATISTICS, "true");
}
@Test
@TestForIssue( jiraKey = "HHH-10360")
public void testNaturalIdNullability() {
final EntityPersister persister = sessionFactory().getEntityPersister( Child.class.getName() );
// nullability is not specified for either properties making up
// the natural ID, so they should be non-nullable by hbm-specific default
final EntityMetamodel entityMetamodel = persister.getEntityMetamodel();
assertFalse( persister.getPropertyNullability()[entityMetamodel.getPropertyIndex( "parent" )] );
assertFalse( persister.getPropertyNullability()[entityMetamodel.getPropertyIndex( "name" )] );
}
@Test
public void testNaturalIdCheck() throws Exception {
Session s = openSession();
Transaction t = s.beginTransaction();
Parent p = new Parent("alex");
Child c = new Child("billy", p);
s.persist(p);
s.persist(c);
t.commit();
s.close();
Field name = c.getClass().getDeclaredField("name");
name.setAccessible(true);
name.set(c, "phil");
s = openSession();
t = s.beginTransaction();
try {
s.saveOrUpdate( c );
s.flush();
fail( "should have failed because immutable natural ID was altered");
}
catch (PersistenceException e) {
// expected
}
finally {
t.rollback();
s.close();
}
name.set(c, "billy");
s = openSession();
t = s.beginTransaction();
s.delete(c);
s.delete(p);
t.commit();
s.close();
}
@Test
@SuppressWarnings( {"unchecked"})
public void testSaveParentWithDetachedChildren() throws Exception {
Session s = openSession();
Transaction t = s.beginTransaction();
Parent p = new Parent("alex");
Child c = new Child("billy", p);
s.persist(p);
s.persist(c);
t.commit();
s.close();
s = openSession();
t = s.beginTransaction();
p = (Parent) s.createCriteria(Parent.class)
.add( Restrictions.eq("name", "alex") )
.setFetchMode("children", FetchMode.JOIN)
.setCacheable(true)
.uniqueResult();
t.commit();
s.close();
s = openSession();
t = s.beginTransaction();
Child c2 = new Child("joey", p);
p.getChildren().add(c2);
s.update(p);
// this fails if AbstractEntityPersister returns identifiers instead of entities from
// AbstractEntityPersister.getNaturalIdSnapshot()
s.flush();
s.delete(p);
t.commit();
s.close();
}
}