|
1 package org.hibernate.test.annotations.manytoone;
3
4 import java.util.ArrayList  ;
5 import java.util.Collection ;
6 import java.util.List ;
7
8 import org.hibernate.Hibernate;
9 import org.hibernate.Query;
10 import org.hibernate.Session;
11 import org.hibernate.Transaction;
12 import org.hibernate.test.annotations.Company;
13 import org.hibernate.test.annotations.Customer;
14 import org.hibernate.test.annotations.Discount;
15 import org.hibernate.test.annotations.Flight;
16 import org.hibernate.test.annotations.Passport;
17 import org.hibernate.test.annotations.TestCase;
18 import org.hibernate.test.annotations.Ticket;
19
20
23 public class ManyToOneTest extends TestCase {
24
25 public ManyToOneTest(String x) {
26 super(x);
27 }
28
29 public void testEager() throws Exception {
30 Session s;
31 Transaction tx;
32 s = openSession();
33 tx = s.beginTransaction();
34 Color c = new Color();
35 c.setName("Yellow");
36 s.persist(c);
37 Car car = new Car();
38 car.setBodyColor(c);
39 s.persist(car);
40 tx.commit();
41 s.close();
42
43 s = openSession();
44 tx = s.beginTransaction();
45 car = (Car) s.get( Car.class, car.getId() );
46 tx.commit();
47 s.close();
48 assertNotNull(car);
49 assertNotNull( car.getBodyColor() );
50 assertEquals( "Yellow", car.getBodyColor().getName() );
51
52 }
53
54 public void testDefaultMetadata() throws Exception {
55 Session s;
56 Transaction tx;
57 s = openSession();
58 tx = s.beginTransaction();
59 Color c = new Color();
60 c.setName("Blue");
61 s.persist(c);
62 Car car = new Car();
63 car.setBodyColor(c);
64 s.persist(car);
65 tx.commit();
66 s.close();
67
68 s = openSession();
69 tx = s.beginTransaction();
70 car = (Car) s.get( Car.class, car.getId() );
71 assertNotNull(car);
72 assertNotNull( car.getBodyColor() );
73 assertEquals( c.getId(), car.getBodyColor().getId() );
74 tx.rollback();
75 s.close();
76 }
77
78 public void testCreate() throws Exception {
79 Session s;
80 Transaction tx;
81 s = openSession();
82 tx = s.beginTransaction();
83 Flight firstOne = new Flight();
84 firstOne.setId( new Long (1) );
85 firstOne.setName("AF0101");
86 firstOne.setDuration( new Long (1000) );
87 Company frenchOne = new Company();
88 frenchOne.setName("Air France");
89 firstOne.setCompany(frenchOne);
90 s.persist(firstOne);
91 tx.commit();
92 s.close();
93 assertNotNull("identity id should work", frenchOne.getId() );
94
95 s = openSession();
96 tx = s.beginTransaction();
97 firstOne = (Flight) s.get(Flight.class, new Long (1));
98 assertNotNull(firstOne.getCompany());
99 assertEquals(frenchOne.getName(), firstOne.getCompany().getName());
100 tx.commit();
101 s.close();
102 }
103
104 public void testCascade() throws Exception {
105 Session s;
106 Transaction tx;
107 s = openSession();
108 tx = s.beginTransaction();
109 Discount discount = new Discount();
110 discount.setDiscount(20.12);
111 Customer customer = new Customer();
112 Collection discounts = new ArrayList ();
113 discounts.add(discount);
114 customer.setName("Quentin Tarantino");
115 discount.setOwner(customer);
116 customer.setDiscountTickets(discounts);
117 s.persist(discount);
118 tx.commit();
119 s.close();
120
121 s = openSession();
122 tx = s.beginTransaction();
123 discount = (Discount) s.get( Discount.class, discount.getId() );
124 assertNotNull(discount);
125 assertEquals( 20.12, discount.getDiscount() );
126 assertNotNull( discount.getOwner() );
127 customer = new Customer();
128 customer.setName("Clooney");
129 discount.setOwner(customer);
130 discounts = new ArrayList ();
131 discounts.add(discount);
132 customer.setDiscountTickets(discounts);
133 tx.commit();
134 s.close();
135
136 s = openSession();
137 tx = s.beginTransaction();
138 discount = (Discount) s.get( Discount.class, discount.getId() );
139 assertNotNull(discount);
140 assertNotNull( discount.getOwner() );
141 assertEquals( "Clooney", discount.getOwner().getName() );
142 tx.commit();
143 s.close();
144
145 s = openSession();
146 tx = s.beginTransaction();
147 customer = (Customer) s.get( Customer.class, customer.getId() );
148 s.delete( customer );
149 tx.commit();
150 s.close();
151 }
152
153 public void testFetch() throws Exception {
154 Session s;
155 Transaction tx;
156 s = openSession();
157 tx = s.beginTransaction();
158 Discount discount = new Discount();
159 discount.setDiscount(20);
160 Customer customer = new Customer();
161 Collection discounts = new ArrayList ();
162 discounts.add(discount);
163 customer.setName("Quentin Tarantino");
164 discount.setOwner(customer);
165 customer.setDiscountTickets(discounts);
166 s.persist(discount);
167 tx.commit();
168 s.close();
169
170 s = openSession();
171 tx = s.beginTransaction();
172 discount = (Discount) s.get( Discount.class, discount.getId() );
173 assertNotNull(discount);
174 assertFalse( Hibernate.isInitialized( discount.getOwner() ) );
175 tx.commit();
176 s.close();
177 }
178
179 public void testCompositeFK() throws Exception {
180 Session s;
181 Transaction tx;
182 s = openSession();
183 tx = s.beginTransaction();
184 ParentPk ppk = new ParentPk();
185 ppk.firstName = "John";
186 ppk.lastName = "Doe";
187 Parent p = new Parent();
188 p.age = 45;
189 p.id = ppk;
190 s.persist(p);
191 Child c = new Child();
192 c.parent = p;
193 s.persist(c);
194 tx.commit();
195 s.close();
196
197 s = openSession();
198 tx = s.beginTransaction();
199 Query q = s.createQuery("from " + Child.class.getName() ); List result = q.list();
203 assertEquals( 1, result.size() );
204 Child c2 = (Child) result.get(0);
205 assertEquals(c2.id, c.id);
206 tx.commit();
207 s.close();
208 }
209
210 public void testImplicitCompositeFk() throws Exception {
211 Session s;
212 Transaction tx;
213 s = openSession();
214 tx = s.beginTransaction();
215 Node n1 = new Node();
216 n1.setDescription("Parent");
217 NodePk n1pk = new NodePk();
218 n1pk.setLevel(1);
219 n1pk.setName("Root");
220 n1.setId(n1pk);
221 Node n2 = new Node();
222 NodePk n2pk = new NodePk();
223 n2pk.setLevel(2);
224 n2pk.setName("Level 1: A");
225 n2.setParent(n1);
226 n2.setId(n2pk);
227 s.persist(n2);
228 tx.commit();
229
230 s = openSession();
231 tx = s.beginTransaction();
232 n2 = (Node) s.get(Node.class, n2pk);
233 assertNotNull(n2);
234 assertNotNull(n2.getParent());
235 assertEquals(1, n2.getParent().getId().getLevel() );
236 tx.commit();
237 s.close();
238 }
239
240
243 protected Class [] getMappings() {
244 return new Class [] {
245 Car.class,
246 Color.class,
247 Flight.class,
248 Company.class,
249 Customer.class,
250 Discount.class,
251 Ticket.class,
252 Passport.class,
253 Parent.class,
254 Child.class,
255 Node.class
256 };
257 }
258
259 } |
Popular Tags |
Java API By Example, From Geeks To Geeks.