/*
* 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.joinedsubclass;
import java.math.BigDecimal;
import java.util.Iterator;
import java.util.List;
import org.hibernate.Hibernate;
import org.hibernate.LockMode;
import org.hibernate.Session;
import org.hibernate.Transaction;
import org.hibernate.criterion.Property;
import org.hibernate.criterion.Restrictions;
import org.junit.Test;
import org.hibernate.testing.junit4.BaseCoreFunctionalTestCase;
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;
/**
* @author Gavin King
*/
public class JoinedSubclassTest extends BaseCoreFunctionalTestCase {
@Override
public String[] getMappings() {
return new String[] { "joinedsubclass/Person.hbm.xml" };
}
@Test
public void testJoinedSubclass() {
Session s = openSession();
Transaction t = s.beginTransaction();
Employee mark = new Employee();
mark.setName("Mark");
mark.setTitle("internal sales");
mark.setSex('M');
mark.setAddress("buckhead");
mark.setZip("30305");
mark.setCountry("USA");
Customer joe = new Customer();
joe.setName("Joe");
joe.setAddress("San Francisco");
joe.setZip("XXXXX");
joe.setCountry("USA");
joe.setComments("Very demanding");
joe.setSex('M');
joe.setSalesperson(mark);
Person yomomma = new Person();
yomomma.setName("mum");
yomomma.setSex('F');
s.save(yomomma);
s.save(mark);
s.save(joe);
assertEquals( s.createQuery("from java.io.Serializable").list().size(), 0 );
assertEquals( s.createQuery("from Person").list().size(), 3 );
assertEquals( s.createQuery("from Person p where p.class = Customer").list().size(), 1 );
assertEquals( s.createQuery("from Person p where p.class = Person").list().size(), 1 );
assertEquals( s.createQuery("from Person p where type(p) in :who").setParameter("who", Customer.class).list().size(), 1 );
assertEquals( s.createQuery("from Person p where type(p) in :who").setParameterList("who", new Class[] {Customer.class, Person.class}).list().size(), 2 );
s.clear();
List customers = s.createQuery("from Customer c left join fetch c.salesperson").list();
for ( Iterator iter = customers.iterator(); iter.hasNext(); ) {
Customer c = (Customer) iter.next();
assertTrue( Hibernate.isInitialized( c.getSalesperson() ) );
assertEquals( c.getSalesperson().getName(), "Mark" );
}
assertEquals( customers.size(), 1 );
s.clear();
customers = s.createQuery("from Customer").list();
for ( Iterator iter = customers.iterator(); iter.hasNext(); ) {
Customer c = (Customer) iter.next();
assertFalse( Hibernate.isInitialized( c.getSalesperson() ) );
assertEquals( c.getSalesperson().getName(), "Mark" );
}
assertEquals( customers.size(), 1 );
s.clear();
mark = (Employee) s.get( Employee.class, new Long( mark.getId() ) );
joe = (Customer) s.get( Customer.class, new Long( joe.getId() ) );
mark.setZip("30306");
assertEquals( s.createQuery("from Person p where p.address.zip = '30306'" ).list().size(),1 );
s.createCriteria( Person.class ).add(
Restrictions.in( "address", new Address[] { mark.getAddress(), joe.getAddress() } ) ).list();
s.delete(mark);
s.delete(joe);
s.delete(yomomma);
assertTrue( s.createQuery("from Person").list().isEmpty() );
t.commit();
s.close();
}
@Test
public void testAccessAsIncorrectSubclass() {
Session s = openSession();
s.beginTransaction();
Employee e = new Employee();
e.setName( "Steve" );
e.setSex( 'M' );
e.setTitle( "grand poobah" );
s.save( e );
s.getTransaction().commit();
s.close();
s = openSession();
s.beginTransaction();
Customer c = ( Customer ) s.get( Customer.class, new Long( e.getId() ) );
s.getTransaction().commit();
s.close();
assertNull( c );
s = openSession();
s.beginTransaction();
e = ( Employee ) s.get( Employee.class, new Long( e.getId() ) );
c = ( Customer ) s.get( Customer.class, new Long( e.getId() ) );
s.getTransaction().commit();
s.close();
assertNotNull( e );
assertNull( c );
s = openSession();
s.beginTransaction();
s.delete( e );
s.getTransaction().commit();
s.close();
}
@Test
public void testQuerySubclassAttribute() {
Session s = openSession();
Transaction t = s.beginTransaction();
Person p = new Person();
p.setName("Emmanuel");
p.setSex('M');
s.persist(p);
Employee q = new Employee();
q.setName("Steve");
q.setSex('M');
q.setTitle("Mr");
q.setSalary( new BigDecimal(1000) );
s.persist(q);
List result = s.createQuery("from Person where salary > 100").list();
assertEquals( result.size(), 1 );
assertSame( result.get(0), q );
result = s.createQuery("from Person where salary > 100 or name like 'E%'").list();
assertEquals( result.size(), 2 );
result = s.createCriteria(Person.class)
.add( Property.forName("salary").gt( new BigDecimal(100) ) )
.list();
assertEquals( result.size(), 1 );
assertSame( result.get(0), q );
//TODO: make this work:
/*result = s.createQuery("select salary from Person where salary > 100").list();
assertEquals( result.size(), 1 );
assertEquals( result.get(0), new BigDecimal(1000) );*/
s.delete(p);
s.delete(q);
t.commit();
s.close();
}
@Test
public void testCustomColumnReadAndWrite() {
Session s = openSession();
Transaction t = s.beginTransaction();
final double HEIGHT_INCHES = 73;
final double HEIGHT_CENTIMETERS = HEIGHT_INCHES * 2.54d;
Person p = new Person();
p.setName("Emmanuel");
p.setSex('M');
p.setHeightInches(HEIGHT_INCHES);
s.persist(p);
final double PASSWORD_EXPIRY_WEEKS = 4;
final double PASSWORD_EXPIRY_DAYS = PASSWORD_EXPIRY_WEEKS * 7d;
Employee e = new Employee();
e.setName("Steve");
e.setSex('M');
e.setTitle("Mr");
e.setPasswordExpiryDays(PASSWORD_EXPIRY_DAYS);
s.persist(e);
s.flush();
// Test value conversion during insert
Double heightViaSql = (Double)s.createSQLQuery("select height_centimeters from JPerson where name='Emmanuel'").uniqueResult();
assertEquals(HEIGHT_CENTIMETERS, heightViaSql, 0.01d);
Double expiryViaSql = (Double)s.createSQLQuery("select pwd_expiry_weeks from JEmployee where person_id=?")
.setLong(0, e.getId())
.uniqueResult();
assertEquals(PASSWORD_EXPIRY_WEEKS, expiryViaSql, 0.01d);
// Test projection
Double heightViaHql = (Double)s.createQuery("select p.heightInches from Person p where p.name = 'Emmanuel'").uniqueResult();
assertEquals(HEIGHT_INCHES, heightViaHql, 0.01d);
Double expiryViaHql = (Double)s.createQuery("select e.passwordExpiryDays from Employee e where e.name = 'Steve'").uniqueResult();
assertEquals(PASSWORD_EXPIRY_DAYS, expiryViaHql, 0.01d);
// Test restriction and entity load via criteria
p = (Person)s.createCriteria(Person.class)
.add(Restrictions.between("heightInches", HEIGHT_INCHES - 0.01d, HEIGHT_INCHES + 0.01d))
.uniqueResult();
assertEquals(HEIGHT_INCHES, p.getHeightInches(), 0.01d);
e = (Employee)s.createCriteria(Employee.class)
.add(Restrictions.between("passwordExpiryDays", PASSWORD_EXPIRY_DAYS - 0.01d, PASSWORD_EXPIRY_DAYS + 0.01d))
.uniqueResult();
assertEquals(PASSWORD_EXPIRY_DAYS, e.getPasswordExpiryDays(), 0.01d);
// Test predicate and entity load via HQL
p = (Person)s.createQuery("from Person p where p.heightInches between ? and ?")
.setDouble(0, HEIGHT_INCHES - 0.01d)
.setDouble(1, HEIGHT_INCHES + 0.01d)
.uniqueResult();
assertEquals(HEIGHT_INCHES, p.getHeightInches(), 0.01d);
e = (Employee)s.createQuery("from Employee e where e.passwordExpiryDays between ? and ?")
.setDouble(0, PASSWORD_EXPIRY_DAYS - 0.01d)
.setDouble(1, PASSWORD_EXPIRY_DAYS + 0.01d)
.uniqueResult();
assertEquals(PASSWORD_EXPIRY_DAYS, e.getPasswordExpiryDays(), 0.01d);
// Test update
p.setHeightInches(1);
e.setPasswordExpiryDays(7);
s.flush();
heightViaSql = (Double)s.createSQLQuery("select height_centimeters from JPerson where name='Emmanuel'").uniqueResult();
assertEquals(2.54d, heightViaSql, 0.01d);
expiryViaSql = (Double)s.createSQLQuery("select pwd_expiry_weeks from JEmployee where person_id=?")
.setLong(0, e.getId())
.uniqueResult();
assertEquals(1d, expiryViaSql, 0.01d);
s.delete(p);
s.delete(e);
t.commit();
s.close();
}
@Test
public void testLockingJoinedSubclass() {
Session s = openSession();
Transaction t = s.beginTransaction();
Person p = new Person();
p.setName("Emmanuel");
p.setSex('M');
s.persist(p);
Employee q = new Employee();
q.setName("Steve");
q.setSex('M');
q.setTitle("Mr");
q.setSalary( new BigDecimal(1000) );
s.persist(q);
t.commit();
s.close();
s = openSession();
t = s.beginTransaction();
s.lock( p, LockMode.UPGRADE );
s.lock( q, LockMode.UPGRADE );
s.delete( p );
s.delete( q );
t.commit();
s.close();
}
}