/*
* 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.join;
import java.sql.Connection;
import java.sql.SQLException;
import java.util.Iterator;
import java.util.List;
import org.hibernate.Hibernate;
import org.hibernate.Session;
import org.hibernate.Transaction;
import org.hibernate.criterion.Restrictions;
import org.hibernate.jdbc.AbstractWork;
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.assertTrue;
/**
* @author Gavin King
*/
public class JoinTest extends BaseCoreFunctionalTestCase {
@Override
public String[] getMappings() {
return new String[] { "join/Person.hbm.xml" };
}
@Test
public void testSequentialSelects() {
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 is null").list().size(), 1 );
assertEquals( s.createQuery("from Person p where p.class = Customer").list().size(), 1 );
assertTrue(s.createQuery("from Customer c").list().size()==1);
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.zip = '30306'").list().size(), 1 );
s.delete(mark);
s.delete(joe);
s.delete(yomomma);
assertTrue( s.createQuery("from Person").list().isEmpty() );
t.commit();
s.close();
}
@Test
public void testSequentialSelectsOptionalData() throws Exception {
Session s = openSession();
Transaction t = s.beginTransaction();
User jesus = new User();
jesus.setName("Jesus Olvera y Martinez");
jesus.setSex('M');
s.save(jesus);
assertEquals( s.createQuery("from java.io.Serializable").list().size(), 0 );
assertEquals( s.createQuery("from Person").list().size(), 1 );
assertEquals( s.createQuery("from Person p where p.class is null").list().size(), 0 );
assertEquals( s.createQuery("from Person p where p.class = User").list().size(), 1 );
assertTrue(s.createQuery("from User u").list().size()==1);
s.clear();
// Remove the optional row from the join table and requery the User obj
s.doWork(
new AbstractWork() {
@Override
public void execute(Connection connection) throws SQLException {
connection.prepareStatement("delete from t_user").execute();
}
}
);
s.clear();
jesus = (User) s.get( Person.class, new Long( jesus.getId() ) );
s.clear();
// Cleanup the test data
s.delete(jesus);
assertTrue( s.createQuery("from Person").list().isEmpty() );
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;
User u = new User();
u.setName("Steve");
u.setSex('M');
u.setPasswordExpiryDays(PASSWORD_EXPIRY_DAYS);
s.persist(u);
s.flush();
// Test value conversion during insert
Double heightViaSql = (Double)s.createSQLQuery("select height_centimeters from person where name='Emmanuel'").uniqueResult();
assertEquals(HEIGHT_CENTIMETERS, heightViaSql, 0.01d);
Double expiryViaSql = (Double)s.createSQLQuery("select pwd_expiry_weeks from t_user where person_id=?")
.setLong(0, u.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 u.passwordExpiryDays from User u where u.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);
u = (User)s.createCriteria(User.class)
.add(Restrictions.between("passwordExpiryDays", PASSWORD_EXPIRY_DAYS - 0.01d, PASSWORD_EXPIRY_DAYS + 0.01d))
.uniqueResult();
assertEquals(PASSWORD_EXPIRY_DAYS, u.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);
u = (User)s.createQuery("from User u where u.passwordExpiryDays between ? and ?")
.setDouble(0, PASSWORD_EXPIRY_DAYS - 0.01d)
.setDouble(1, PASSWORD_EXPIRY_DAYS + 0.01d)
.uniqueResult();
assertEquals(PASSWORD_EXPIRY_DAYS, u.getPasswordExpiryDays(), 0.01d);
// Test update
p.setHeightInches(1);
u.setPasswordExpiryDays(7d);
s.flush();
heightViaSql = (Double)s.createSQLQuery("select height_centimeters from person where name='Emmanuel'").uniqueResult();
assertEquals(2.54d, heightViaSql, 0.01d);
expiryViaSql = (Double)s.createSQLQuery("select pwd_expiry_weeks from t_user where person_id=?")
.setLong(0, u.getId())
.uniqueResult();
assertEquals(1d, expiryViaSql, 0.01d);
s.delete(p);
s.delete(u);
assertTrue( s.createQuery("from Person").list().isEmpty() );
t.commit();
s.close();
}
}