/*
* Hibernate, Relational Persistence for Idiomatic Java
*
* Copyright (c) 2006-2011, Red Hat Inc. 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 Inc.
*
* 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.test.propertyref.basic;
import java.util.Iterator;
import java.util.List;
import org.hibernate.FetchMode;
import org.hibernate.Hibernate;
import org.hibernate.Session;
import org.hibernate.Transaction;
import org.hibernate.cfg.Configuration;
import org.hibernate.cfg.Environment;
import org.hibernate.mapping.Column;
import org.hibernate.mapping.ForeignKey;
import org.hibernate.mapping.PersistentClass;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertNull;
import static org.junit.Assert.assertSame;
import static org.junit.Assert.assertTrue;
import org.junit.Test;
import org.hibernate.testing.junit4.BaseCoreFunctionalTestCase;
/**
* @author Gavin King
*/
public class PropertyRefTest extends BaseCoreFunctionalTestCase {
@Override
public String[] getMappings() {
return new String[] { "propertyref/basic/Person.hbm.xml" };
}
@Override
public void configure(Configuration cfg) {
cfg.setProperty(Environment.DEFAULT_BATCH_FETCH_SIZE, "1");
cfg.setProperty(Environment.GENERATE_STATISTICS, "true");
}
@Override
public String getCacheConcurrencyStrategy() {
return null;
}
@Test
public void testNonLazyBagKeyPropertyRef() {
Session s = openSession();
Transaction t = s.beginTransaction();
Person p = new Person();
p.setName( "Steve" );
p.setUserId( "steve" );
p.getSystems().add( "QA" );
p.getSystems().add( "R&D" );
s.persist( p );
t.commit();
s.close();
s = openSession();
t = s.beginTransaction();
s.createQuery( "from Person" ).list();
s.clear();
s.createSQLQuery( "select {p.*} from PROPREF_PERS {p}" )
.addEntity( "p", Person.class.getName() )
.list();
t.commit();
s.close();
s = openSession();
t = s.beginTransaction();
List results = s.createQuery( "from Person" ).list();
Iterator itr = results.iterator();
while ( itr.hasNext() ) {
s.delete( itr.next() );
}
t.commit();
s.close();
}
@Test
public void testManyToManyPropertyRef() {
// prepare some test data relating to the Group->Person many-to-many association
Session s = openSession();
Transaction t = s.beginTransaction();
Person p = new Person();
p.setName( "Steve" );
p.setUserId( "steve" );
s.persist( p );
Group g = new Group();
g.setName( "Admins" );
g.getUsers().add( p );
s.persist( g );
// force a flush and detachment here to test reattachment handling of the property-ref (HHH-1531)
t.commit();
s.close();
Person p2 = new Person();
p2.setName( "Max" );
p2.setUserId( "max" );
g.getUsers().add( p2 );
s = openSession();
t = s.beginTransaction();
s.update( g );
t.commit();
s.close();
// test retrieval of the group
s = openSession();
t = s.beginTransaction();
g = ( Group ) s.createQuery( "from Group g left join fetch g.users" ).uniqueResult();
assertTrue( Hibernate.isInitialized( g.getUsers() ) );
assertEquals( 2, g.getUsers().size() );
s.delete( g );
s.createQuery( "delete Person" ).executeUpdate();
t.commit();
s.close();
}
@Test
public void testOneToOnePropertyRef() {
Session s = openSession();
Transaction t = s.beginTransaction();
Person p = new Person();
p.setName("Steve");
p.setUserId("steve");
Address a = new Address();
a.setAddress("Texas");
a.setCountry("USA");
p.setAddress(a);
a.setPerson(p);
s.save(p);
Person p2 = new Person();
p2.setName("Max");
p2.setUserId("max");
s.save(p2);
Account act = new Account();
act.setType('c');
act.setUser(p2);
p2.getAccounts().add(act);
s.save(act);
s.flush();
s.clear();
p = (Person) s.get( Person.class, p.getId() ); //get address reference by outer join
p2 = (Person) s.get( Person.class, p2.getId() ); //get null address reference by outer join
assertNull( p2.getAddress() );
assertNotNull( p.getAddress() );
List l = s.createQuery("from Person").list(); //pull address references for cache
assertEquals( l.size(), 2 );
assertTrue( l.contains(p) && l.contains(p2) );
s.clear();
l = s.createQuery("from Person p order by p.name").list(); //get address references by sequential selects
assertEquals( l.size(), 2 );
assertNull( ( (Person) l.get(0) ).getAddress() );
assertNotNull( ( (Person) l.get(1) ).getAddress() );
s.clear();
l = s.createQuery("from Person p left join fetch p.address a order by a.country").list(); //get em by outer join
assertEquals( l.size(), 2 );
if ( ( (Person) l.get(0) ).getName().equals("Max") ) {
assertNull( ( (Person) l.get(0) ).getAddress() );
assertNotNull( ( (Person) l.get(1) ).getAddress() );
}
else {
assertNull( ( (Person) l.get(1) ).getAddress() );
assertNotNull( ( (Person) l.get(0) ).getAddress() );
}
s.clear();
l = s.createQuery("from Person p left join p.accounts a").list();
for ( int i=0; i<2; i++ ) {
Object[] row = (Object[]) l.get(i);
Person px = (Person) row[0];
assertFalse( Hibernate.isInitialized( px.getAccounts() ) );
assertTrue( px.getAccounts().size()>0 || row[1]==null );
}
s.clear();
l = s.createQuery("from Person p left join fetch p.accounts a order by p.name").list();
Person p0 = (Person) l.get(0);
assertTrue( Hibernate.isInitialized( p0.getAccounts() ) );
assertEquals( p0.getAccounts().size(), 1 );
assertSame( ( (Account) p0.getAccounts().iterator().next() ).getUser(), p0 );
Person p1 = (Person) l.get(1);
assertTrue( Hibernate.isInitialized( p1.getAccounts() ) );
assertEquals( p1.getAccounts().size(), 0 );
s.clear();
Account acc = (Account) s.createQuery("from Account a left join fetch a.user").uniqueResult();
assertTrue( Hibernate.isInitialized(acc.getUser()) );
assertNotNull(acc.getUser());
assertTrue( acc.getUser().getAccounts().contains(acc) );
s.createQuery("delete from Address").executeUpdate();
s.createQuery("delete from Account").executeUpdate(); // to not break constraint violation between Person and Account
s.createQuery("delete from Person").executeUpdate();
t.commit();
s.close();
}
@Test
public void testJoinFetchPropertyRef() {
Session s = openSession();
Transaction t = s.beginTransaction();
Person p = new Person();
p.setName("Steve");
p.setUserId("steve");
Address a = new Address();
a.setAddress("Texas");
a.setCountry("USA");
p.setAddress(a);
a.setPerson(p);
s.save(p);
s.flush();
s.clear();
sessionFactory().getStatistics().clear();
p = (Person) s.get( Person.class, p.getId() ); //get address reference by outer join
assertTrue( Hibernate.isInitialized( p.getAddress() ) );
assertNotNull( p.getAddress() );
assertEquals( sessionFactory().getStatistics().getPrepareStatementCount(), 1 );
assertEquals( sessionFactory().getStatistics().getEntityFetchCount(), 0 );
s.clear();
sessionFactory().getStatistics().clear();
p = (Person) s.createCriteria(Person.class)
.setFetchMode("address", FetchMode.SELECT)
.uniqueResult(); //get address reference by select
assertTrue( Hibernate.isInitialized( p.getAddress() ) );
assertNotNull( p.getAddress() );
assertEquals( sessionFactory().getStatistics().getPrepareStatementCount(), 2 );
assertEquals( sessionFactory().getStatistics().getEntityFetchCount(), 0 );
s.createQuery("delete from Address").executeUpdate();
s.createQuery("delete from Person").executeUpdate();
t.commit();
s.close();
}
@Test
public void testForeignKeyCreation() {
PersistentClass classMapping = configuration().getClassMapping("org.hibernate.test.propertyref.basic.Account");
Iterator foreignKeyIterator = classMapping.getTable().getForeignKeyIterator();
boolean found = false;
while ( foreignKeyIterator.hasNext() ) {
ForeignKey element = (ForeignKey) foreignKeyIterator.next();
if(element.getReferencedEntityName().equals(Person.class.getName() ) ) {
if(!element.isReferenceToPrimaryKey() ) {
List referencedColumns = element.getReferencedColumns();
Column column = (Column) referencedColumns.get(0);
if(column.getName().equals("person_userid") ) {
found = true; // extend test to include the columns
}
}
}
}
assertTrue("Property ref foreign key not found",found);
}
}