/*
* 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.nullable;
import org.junit.Test;
import org.hibernate.Session;
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.assertNotNull;
import static org.junit.Assert.assertNull;
import static org.junit.Assert.assertTrue;
/**
* @author Steve Ebersole
*/
public class NullableNaturalIdTest extends BaseCoreFunctionalTestCase {
@Override
protected Class<?>[] getAnnotatedClasses() {
return new Class[] { A.class, B.class, C.class, D.class };
}
@Override
public String[] getMappings() {
return new String[] { "naturalid/nullable/User.hbm.xml" };
}
@Test
@TestForIssue( jiraKey = "HHH-10360")
public void testNaturalIdNullability() {
// A, B, C, and D are mapped using annotations;
// none are mapped to be non-nullable, so all are nullable by annotations-specific default,
// except primitives
EntityPersister persister = sessionFactory().getEntityPersister( A.class.getName() );
EntityMetamodel entityMetamodel = persister.getEntityMetamodel();
assertTrue( persister.getPropertyNullability()[entityMetamodel.getPropertyIndex( "assC" )] );
assertTrue( persister.getPropertyNullability()[entityMetamodel.getPropertyIndex( "myname" )] );
persister = sessionFactory().getEntityPersister( B.class.getName() );
entityMetamodel = persister.getEntityMetamodel();
assertTrue( persister.getPropertyNullability()[entityMetamodel.getPropertyIndex( "assA" )] );
// naturalid is a primitive, so it is non-nullable
assertFalse( persister.getPropertyNullability()[entityMetamodel.getPropertyIndex( "naturalid" )] );
persister = sessionFactory().getEntityPersister( C.class.getName() );
entityMetamodel = persister.getEntityMetamodel();
assertTrue( persister.getPropertyNullability()[entityMetamodel.getPropertyIndex( "name" )] );
persister = sessionFactory().getEntityPersister( D.class.getName() );
entityMetamodel = persister.getEntityMetamodel();
assertTrue( persister.getPropertyNullability()[entityMetamodel.getPropertyIndex( "name" )] );
assertTrue( persister.getPropertyNullability()[entityMetamodel.getPropertyIndex( "associatedC" )] );
// User is mapped using hbm.xml; properties are explicitly mapped to be nullable
persister = sessionFactory().getEntityPersister( User.class.getName() );
entityMetamodel = persister.getEntityMetamodel();
assertTrue( persister.getPropertyNullability()[entityMetamodel.getPropertyIndex( "name" )] );
assertTrue( persister.getPropertyNullability()[entityMetamodel.getPropertyIndex( "org" )] );
// intVal is a primitive; hbm.xml apparently allows primitive to be nullable
assertTrue( persister.getPropertyNullability()[entityMetamodel.getPropertyIndex( "intVal" )] );
}
@Test
public void testNaturalIdNullValueOnPersist() {
Session session = openSession();
session.beginTransaction();
C c = new C();
session.persist( c );
c.name = "someName";
session.getTransaction().commit();
session.close();
session = openSession();
session.beginTransaction();
session.delete( c );
session.getTransaction().commit();
session.close();
}
@Test
public void testUniqueAssociation() {
Session session = openSession();
session.beginTransaction();
A a = new A();
B b = new B();
b.naturalid = 100;
session.persist( a );
session.persist( b ); //b.assA is declared NaturalId, his value is null this moment
b.assA = a;
a.assB.add( b );
session.getTransaction().commit();
session.close();
session = openSession();
session.beginTransaction();
// this is OK
assertNotNull( session.byNaturalId( B.class ).using( "naturalid", 100 ).using( "assA", a ).load() );
// this fails, cause EntityType.compare(Object x, Object y) always returns 0 !
assertNull( session.byNaturalId( B.class ).using( "naturalid", 100 ).using( "assA", null ).load() );
session.getTransaction().commit();
session.close();
session = openSession();
session.beginTransaction();
session.delete( b );
session.delete( a );
session.getTransaction().commit();
session.close();
}
@Test
public void testNaturalIdQuerySupportingNullValues() {
Session session = openSession();
session.beginTransaction();
D d1 = new D();
d1.name = "Titi";
d1.associatedC = null;
D d2 = new D();
d2.name = null;
C c = new C();
d2.associatedC = c;
session.persist( d1 );
session.persist( d2 );
session.persist( c );
session.getTransaction().commit();
session.close();
session = openSession();
session.beginTransaction();
assertNotNull( session.byNaturalId( D.class ).using( "name", null ).using( "associatedC", c ).load() );
assertNotNull( session.byNaturalId( D.class ).using( "name", "Titi" ).using( "associatedC", null ).load() );
session.getTransaction().commit();
session.close();
session = openSession();
session.beginTransaction();
session.delete( c );
session.delete( d1 );
session.delete( d2 );
session.getTransaction().commit();
session.close();
}
}