|
1 package org.hibernate.test.onetoone.joined;
3
4 import java.util.List  ;
5
6 import junit.framework.Test;
7 import junit.framework.TestSuite;
8
9 import org.hibernate.Session;
10 import org.hibernate.Transaction;
11 import org.hibernate.cfg.Configuration;
12 import org.hibernate.cfg.Environment;
13 import org.hibernate.stat.EntityStatistics;
14 import org.hibernate.test.TestCase;
15
16
19 public class OneToOneTest extends TestCase {
20
21 public OneToOneTest(String str) {
22 super(str);
23 }
24
25 public void testOneToOneOnSubclass() {
26 Person p = new Person();
27 p.name = "Gavin";
28 Address a = new Address();
29 a.entityName = "Gavin";
30 a.zip = "3181";
31 a.state = "VIC";
32 a.street = "Karbarook Ave";
33 p.address = a;
34
35 Session s = openSession();
36 Transaction t = s.beginTransaction();
37 s.persist(p);
38 t.commit();
39 s.close();
40
41 s = openSession();
42 t = s.beginTransaction();
43
44 EntityStatistics addressStats = getSessions().getStatistics().getEntityStatistics( Address.class.getName() );
45 EntityStatistics mailingAddressStats = getSessions().getStatistics().getEntityStatistics("MailingAddress");
46
47 p = (Person) s.createQuery("from Person p join fetch p.address left join fetch p.mailingAddress").uniqueResult();
48 assertNotNull(p.address); assertNull(p.mailingAddress);
49 s.clear();
50
51 p = (Person) s.createQuery("select p from Person p join fetch p.address left join fetch p.mailingAddress").uniqueResult();
52 assertNotNull(p.address); assertNull(p.mailingAddress);
53 s.clear();
54
55 Object [] stuff = (Object []) s.createQuery("select p.name, p from Person p join fetch p.address left join fetch p.mailingAddress").uniqueResult();
56 assertEquals(stuff.length, 2);
57 p = (Person) stuff[1];
58 assertNotNull(p.address); assertNull(p.mailingAddress);
59 s.clear();
60
61 assertEquals( addressStats.getFetchCount(), 0 );
62 assertEquals( mailingAddressStats.getFetchCount(), 0 );
63
64 p = (Person) s.createQuery("from Person p join fetch p.address").uniqueResult();
65 assertNotNull(p.address); assertNull(p.mailingAddress);
66 s.clear();
67
68 assertEquals( addressStats.getFetchCount(), 0 );
69 assertEquals( mailingAddressStats.getFetchCount(), 1 );
70
71 p = (Person) s.createQuery("from Person").uniqueResult();
72 assertNotNull(p.address); assertNull(p.mailingAddress);
73 s.clear();
74
75 assertEquals( addressStats.getFetchCount(), 0 );
76 assertEquals( mailingAddressStats.getFetchCount(), 2 );
77
78 p = (Person) s.createQuery("from Entity").uniqueResult();
79 assertNotNull(p.address); assertNull(p.mailingAddress);
80 s.clear();
81
82 assertEquals( addressStats.getFetchCount(), 0 );
83 assertEquals( mailingAddressStats.getFetchCount(), 3 );
84
85 p = (Person) s.get(Person.class, "Gavin");
88 assertNotNull(p.address); assertNull(p.mailingAddress);
89 s.clear();
90
91 assertEquals( addressStats.getFetchCount(), 0 );
92 assertEquals( mailingAddressStats.getFetchCount(), 3 );
93
94 p = (Person) s.get(Entity.class, "Gavin");
95 assertNotNull(p.address); assertNull(p.mailingAddress);
96 s.clear();
97
98 assertEquals( addressStats.getFetchCount(), 0 );
99 assertEquals( mailingAddressStats.getFetchCount(), 3 );
100
101 t.commit();
102 s.close();
103
104 s = openSession();
105 t = s.beginTransaction();
106 Org org = new Org();
107 org.name = "IFA";
108 Address a2 = new Address();
109 a2.entityName = "IFA";
110 a2.zip = "3181";
111 a2.state = "VIC";
112 a2.street = "Orrong Rd";
113 s.persist(org);
114 s.persist(a2);
115 t.commit();
116 s.close();
117
118 s = openSession();
119 t = s.beginTransaction();
120 org = (Org) s.get(Entity.class, "IFA");
121 s.clear();
122
123 List list = s.createQuery("from Entity e order by e.name").list();
124 p = (Person) list.get(0);
125 assertNotNull(p.address); assertNull(p.mailingAddress);
126 org = (Org) list.get(1);
127 s.clear();
128
129 list = s.createQuery("from Entity e left join fetch e.address left join fetch e.mailingAddress order by e.name").list();
130 p = (Person) list.get(0);
131 org = (Org) list.get(1);
132 assertNotNull(p.address); assertNull(p.mailingAddress);
133
134 s.delete(p);
135
136 t.commit();
137 s.close();
138
139 }
140
141 protected String [] getMappings() {
142 return new String [] { "onetoone/joined/Person.hbm.xml" };
143 }
144
145 protected void configure(Configuration cfg) {
146 cfg.setProperty(Environment.USE_SECOND_LEVEL_CACHE, "false");
147 cfg.setProperty(Environment.GENERATE_STATISTICS, "true");
148 }
149
150 public static Test suite() {
151 return new TestSuite(OneToOneTest.class);
152 }
153
154 }
155
156 |
Popular Tags |
Java API By Example, From Geeks To Geeks.