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1 package org.hibernate.test.ternary;
3
4 import java.util.HashSet  ;
5 import java.util.Iterator ;
6 import java.util.List ;
7 import java.util.Map ;
8 import java.util.Set ;
9
10 import junit.framework.Test;
11 import junit.framework.TestSuite;
12
13 import org.hibernate.Hibernate;
14 import org.hibernate.Session;
15 import org.hibernate.Transaction;
16 import org.hibernate.test.TestCase;
17
18
21 public class TernaryTest extends TestCase {
22
23 public TernaryTest(String str) {
24 super(str);
25 }
26
27 public void testTernary() {
28 Session s = openSession();
29 Transaction t = s.beginTransaction();
30 Employee bob = new Employee("Bob");
31 Employee tom = new Employee("Tom");
32 Employee jim = new Employee("Jim");
33 Employee tim = new Employee("Tim");
34 Site melb = new Site("Melbourne");
35 Site geel = new Site("Geelong");
36 s.persist(bob);
37 s.persist(tom);
38 s.persist(jim);
39 s.persist(tim);
40 s.persist(melb);
41 s.persist(geel);
42 bob.getManagerBySite().put(melb, tom);
43 bob.getManagerBySite().put(geel, jim);
44 tim.getManagerBySite().put(melb, tom);
45 t.commit();
46 s.close();
47
48 s = openSession();
49 t = s.beginTransaction();
50 tom = (Employee) s.get(Employee.class, "Tom");
51 assertFalse( Hibernate.isInitialized(tom.getUnderlings()) );
52 assertEquals( tom.getUnderlings().size(), 2 );
53 bob = (Employee) s.get(Employee.class, "Bob");
54 assertFalse( Hibernate.isInitialized(bob.getManagerBySite()) );
55 assertTrue( tom.getUnderlings().contains(bob) );
56 melb = (Site) s.get(Site.class, "Melbourne");
57 assertSame( bob.getManagerBySite().get(melb), tom );
58 assertTrue( melb.getEmployees().contains(bob) );
59 assertTrue( melb.getManagers().contains(tom) );
60 t.commit();
61 s.close();
62
63 s = openSession();
64 t = s.beginTransaction();
65 List l = s.createQuery("from Employee e join e.managerBySite m where m.name='Bob'").list();
66 assertEquals( l.size(), 0 );
67 l = s.createQuery("from Employee e join e.managerBySite m where m.name='Tom'").list();
68 assertEquals( l.size(), 2 );
69 t.commit();
70 s.close();
71
72 s = openSession();
73 t = s.beginTransaction();
74 l = s.createQuery("from Employee e left join fetch e.managerBySite").list();
75 assertEquals( l.size(), 5 );
76 Set set = new HashSet (l);
77 assertEquals( set.size(), 4 );
78 Iterator iter = set.iterator();
79 int total=0;
80 while ( iter.hasNext() ) {
81 Map map = ( (Employee) iter.next() ).getManagerBySite();
82 assertTrue( Hibernate.isInitialized(map) );
83 total += map.size();
84 }
85 assertTrue(total==3);
86 l = s.createQuery("from Employee e left join e.managerBySite m left join m.managerBySite m2").list();
87 t.commit();
88 s.close();
89 }
90
91 protected String [] getMappings() {
92 return new String [] { "ternary/Ternary.hbm.xml" };
93 }
94
95 public static Test suite() {
96 return new TestSuite(TernaryTest.class);
97 }
98
99 public String getCacheConcurrencyStrategy() {
100 return null;
101 }
102
103 }
104
105 |
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