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[英]Lombok does not generate RequiredArgsConstructor and AllArgsConstructor
[英]@RequiredArgsConstructor does not generate constructor
我有一個小組課程:
@Data
@NoArgsConstructor
@RequiredArgsConstructor
@Entity
public class Group {
@Id
@GeneratedValue
private Long id;
@NotNull
private String name;
private String address;
private String city;
private String stateOrProvince;
private String country;
private String postalCode;
@ManyToOne(cascade = CascadeType.PERSIST)
private User user;
@OneToMany(fetch = FetchType.EAGER, cascade = CascadeType.ALL)
private Set<Event> event;
}
GroupRepository 接口:
public interface GroupRepository extends JpaRepository<Group, Long> {
Group findByName(String name);
}
用於加載數據的 Initializer 類:
@Component
public class Initializer implements CommandLineRunner {
private final GroupRepository repository;
public Initializer(GroupRepository groupRepository) {
this.repository = groupRepository;
}
@Override
public void run(String... args) throws Exception {
Stream.of("Denver JUG", "Utah JUG", "Seattle JUG",
"Richmond JUG").forEach(name ->
repository.save(new Group(name)));
}
}
規格:
為什么我在repository.save(new Group(name)));
上遇到錯誤repository.save(new Group(name)));
以及如何解決?
錯誤: The constructor Group(name) is undefined.
注意:雖然我使用 lombok 並在 Group 類的 name 字段上添加了@NotNull
。
我認為 Lombok 不支持 @NotNull,您需要將字段設為 final 或使用 Lombok 的 @NonNull。
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