我想實現基本的用戶/角色JPA @ElementCollection @Enumerated不插入
用戶可以有0到多個角色。
public enum Role {
ROLE_USER,
ROLE_ADMIN;
}
@Entity
@Table(name = "USERS")
public class User implements Serializable {
private static final long serialVersionUID = 2936736450886451500L;
private Long id;
private Individual individual;
private Set<Role> roles = new HashSet<Role>();
@Id
@Column(name = "ID")
@GeneratedValue
public Long getId() {
return id;
}
@SuppressWarnings("unused")
private void setId(Long id) {
this.id = id;
}
@ElementCollection(targetClass=Role.class)
@JoinTable(name = "USER_ROLES", joinColumns = @JoinColumn(name = "USER_ID"))
@Enumerated(EnumType.STRING)
@Column(name = "role", nullable = false)
public Set<Role> getRoles() {
return roles;
}
public void setRoles(Set<Role> roles) {
this.roles = roles;
}
public void addRole(Role role) {
roles.add(role);
}
}
我的單元測試
@RunWith(SpringJUnit4ClassRunner.class)
@ContextConfiguration({"classpath:/META-INF/spring/resources/resource-context.xml", "classpath:/META-INF/spring/services/persistence-context.xml"})
public class UserDaoJpaImplTest {
@Autowired
UserDao userDao;
@Transactional
@Test
public void testCreate() {
User user = new User();
user.setIndividual(new Individual());
user.addRole(Role.ROLE_USER);
user.addRole(Role.ROLE_ADMIN);
userDao.create(user);
Assert.assertNotSame(user.getId(), 0);
}
的問題是,JPA(由Hibernate支持),是不是做對USER_ROLES表插入(它是正確創建它,用正確的複合PK (角色,USER_ID)和FK用戶。
我可以在控制檯中看到,只有單個插入正在做,用戶
Hibernate: insert into USERS (INDIVIDUAL_ID) values (?)
Hibernate: insert into INDIVIDUALS values ()
我假設我只是缺少一些簡單的東西。
你用'@RunWith(SpringJUnit4ClassRunner.class)'運行測試嗎? – axtavt 2012-04-19 12:33:14
@axtavt是的,我喜歡。更新超過 – kabal 2012-04-19 12:42:35