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DiscriminatorTest.javaAPI DocHibernate 3.2.54873Tue Dec 12 16:22:26 GMT 2006org.hibernate.test.discriminator

DiscriminatorTest

public class DiscriminatorTest extends org.hibernate.junit.functional.FunctionalTestCase
author
Gavin King

Fields Summary
Constructors Summary
public DiscriminatorTest(String str)

		super(str);
	
Methods Summary
public java.lang.String[]getMappings()

		return new String[] { "discriminator/Person.hbm.xml" };
	
public static junit.framework.Testsuite()

		return new FunctionalTestClassTestSuite( DiscriminatorTest.class );
	
public voidtestAccessAsIncorrectSubclass()

		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();
	
public voidtestDiscriminatorSubclass()

		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 = Person").list().size(), 1 );
		assertEquals( s.createQuery("from Person p where p.class = Customer").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.address.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();
	
public voidtestQuerySubclassAttribute()

		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();