@Test
public void testLock() {
Session s1 = HibernateUtil.getSessionFactory().openSession();
Long id;
// store a user
Transaction ta1 = s1.beginTransaction();
try {
YUser u = new YUser("test");
s1.save(u);
id = u.getId();
} finally {
ta1.commit();
}
ta1 = s1.beginTransaction();
try {
YUser u1 = (YUser) s1.load(YUser.class, id);
YUser u2 = (YUser) s1.load(YUser.class, id);
u1.setDescription("YEAH!");
assertEquals("YEAH!", u2.getDescription());
} finally {
ta1.rollback();
}
s1.close();
}
@Test
public void testLockDifferentSessions() {
// emulate two different threads
Session s1 = HibernateUtil.getSessionFactory().openSession();
Session s2 = HibernateUtil.getSessionFactory().openSession();
Long id;
// store a user
Transaction ta1 = s1.beginTransaction();
try {
YUser u = new YUser("test");
s1.save(u);
id = u.getId();
} finally {
ta1.commit();
}
ta1 = s1.beginTransaction();
Transaction ta2 = s2.beginTransaction();
try {
YUser u1 = (YUser) s1.load(YUser.class, id);
YUser u2 = (YUser) s2.load(YUser.class, id);
u1.setDescription("overwrite me");
u2.setDescription("YEAH!");
} finally {
ta1.commit();
try {
ta2.commit();
fail("Shouldn't commit. Two different versions!");
} catch (StaleObjectStateException ex) {
}
}
s1.close();
s2.close();
}