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1 package org.hibernate.test.onetomany;
3
4 import junit.framework.Test;
5 import junit.framework.TestSuite;
6
7 import org.hibernate.Session;
8 import org.hibernate.Transaction;
9 import org.hibernate.test.TestCase;
10
11
14 public class OneToManyTest extends TestCase {
15
16 public OneToManyTest(String  str) {
17 super(str);
18 }
19
20 public void testOneToManyLinkTable() {
21 Session s = openSession();
22 Transaction t = s.beginTransaction();
23 Child c = new Child();
24 c.setName("Child One");
25 Parent p = new Parent();
26 p.setName("Parent");
27 p.getChildren().add(c);
28 c.setParent(p);
29 s.save(p);
30 s.flush();
31
32 p.getChildren().remove(c);
33 c.setParent(null);
34 s.flush();
35
36 p.getChildren().add(c);
37 c.setParent(p);
38 t.commit();
39 s.close();
40
41 s = openSession();
42 t = s.beginTransaction();
43 c.setParent(null);
44 s.update(c);
45 t.commit();
46 s.close();
47
48 s = openSession();
49 t = s.beginTransaction();
50 c.setParent(p);
51 s.update(c);
52 t.commit();
53 s.close();
54
55
56 s = openSession();
57 t = s.beginTransaction();
58 c = (Child) s.createQuery("from Child").uniqueResult();
59 s.createQuery("from Child c left join fetch c.parent").list();
60 s.createQuery("from Child c inner join fetch c.parent").list();
61 s.clear();
62 p = (Parent) s.createQuery("from Parent p left join fetch p.children").uniqueResult();
63 t.commit();
64 s.close();
65 }
66
67 public void testManyToManySize() {
68 Session s = openSession();
69 Transaction t = s.beginTransaction();
70 assertEquals( 0, s.createQuery("from Parent p where size(p.children) = 0").list().size() );
72 assertEquals( 0, s.createQuery("from Parent p where p.children.size = 0").list().size() );
73 t.commit();
74 s.close();
75 }
76
77
78 protected String [] getMappings() {
79 return new String [] { "onetomany/Parent.hbm.xml" };
80 }
81
82 public static Test suite() {
83 return new TestSuite(OneToManyTest.class);
84 }
85
86 }
87
88 |
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