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1 package org.hibernate.test.onetoonelink;
3
4 import java.util.Date  ;
5
6 import junit.framework.Test;
7 import junit.framework.TestSuite;
8
9 import org.hibernate.Hibernate;
10 import org.hibernate.Session;
11 import org.hibernate.Transaction;
12 import org.hibernate.test.TestCase;
13
14
17 public class OneToOneTest extends TestCase {
18
19 public OneToOneTest(String str) {
20 super(str);
21 }
22
23 public void testOneToOneViaAssociationTable() {
24 Person p = new Person();
25 p.setName("Gavin King");
26 p.setDob( new Date () );
27 Employee e = new Employee();
28 p.setEmployee(e);
29 e.setPerson(p);
30
31 Session s = openSession();
32 Transaction t = s.beginTransaction();
33 s.persist(p);
34 t.commit();
35 s.close();
36
37 s = openSession();
38 t = s.beginTransaction();
39 e = (Employee) s.createQuery("from Employee e where e.person.name like 'Gavin%'").uniqueResult();
40 assertEquals( e.getPerson().getName(), "Gavin King" );
41 assertFalse( Hibernate.isInitialized( e.getPerson() ) );
42 assertNull( e.getPerson().getCustomer() );
43 s.clear();
44
45 e = (Employee) s.createQuery("from Employee e where e.person.dob = :date")
46 .setDate("date", new Date () )
47 .uniqueResult();
48 assertEquals( e.getPerson().getName(), "Gavin King" );
49 assertFalse( Hibernate.isInitialized( e.getPerson() ) );
50 assertNull( e.getPerson().getCustomer() );
51 s.clear();
52
53 t.commit();
54 s.close();
55
56 s = openSession();
57 t = s.beginTransaction();
58
59 e = (Employee) s.createQuery("from Employee e join fetch e.person p left join fetch p.customer").uniqueResult();
60 assertTrue( Hibernate.isInitialized( e.getPerson() ) );
61 assertNull( e.getPerson().getCustomer() );
62 Customer c = new Customer();
63 e.getPerson().setCustomer(c);
64 c.setPerson( e.getPerson() );
65
66 t.commit();
67 s.close();
68
69 s = openSession();
70 t = s.beginTransaction();
71
72 e = (Employee) s.createQuery("from Employee e join fetch e.person p left join fetch p.customer").uniqueResult();
73 assertTrue( Hibernate.isInitialized( e.getPerson() ) );
74 assertTrue( Hibernate.isInitialized( e.getPerson().getCustomer() ) );
75 assertNotNull( e.getPerson().getCustomer() );
76 s.delete(e);
77 t.commit();
78 s.close();
79
80 }
81
82 protected String [] getMappings() {
83 return new String [] { "onetoonelink/Person.hbm.xml" };
84 }
85
86 public static Test suite() {
87 return new TestSuite(OneToOneTest.class);
88 }
89
90 }
91
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