我正在尝试在我的 springMVC 应用程序中创建一个抽象服务。我的数据流*完美地通过我的层,但我的持久性(抽象)找不到保存/删除/更新我的数据库的方法,这些是类:
abstract class BaseServiceImpl<T, ID extends Serializable>
implements BaseService<T, ID> {
protected abstract BaseRepository<T, ID> getRepository();
private BaseRepository<T, ID> repository;
public BaseServiceImpl(BaseRepository<T, ID> repository){
this.repository = repository;
}
public List<T> findAll(){
return getRepository().findAll();
}
public T find(ID id){
return getRepository().findOne(id);
}
public T save(T persisted){
return this.repository.save(persisted);
}
public void delete(ID id){
getRepository().delete(id);
}
public long count(){
return getRepository().count();
}
public boolean exists(ID id){
return getRepository().exists(id);
}
}
//---
@Service
public class MedicineServiceImpl
extends BaseServiceImpl<Medicine, Integer>
implements MedicineService {
@Autowired
private MedicineRepository repository;
@Autowired
public MedicineServiceImpl(MedicineRepository repository) {
super(repository);
}
@Override
public BaseRepository<Medicine, Integer> getRepository() {
return repository;
}
}
//--
@MappedSuperclass
abstract class BaseDomain {
@Id
@GeneratedValue(strategy = GenerationType.AUTO)
private Integer id;
public Integer getId() {
return id;
}
public void setId(Integer id) {
this.id = id;
}
}
//--
@Entity
@Table(name = "medicines")
public class Medicine
extends BaseDomain implements Serializable{
@NotNull
private String name;
private String description;
private String purpose;
@Column(name = "active_principle")
private String activePrinciple;
@Column(name = "therapeutic_class")
private String therapeuticClass;
@Column(name = "ean_code")
private String eanCode;
@Column(name = "ms_code")
private String msCode;
@Column(name = "avisa_warning")
private String anvisaWarning;
@Column(name = "lab_name")
private String labName;
@Column(name = "lab_phone")
private String labPhone;
@NotNull
private String contraindication;
public Medicine() {
}
}
//--
@NoRepositoryBean
public interface BaseRepository<T,ID extends Serializable>
extends Repository<T,ID> {
List<T> findAll();
long count();
void delete(ID id);
T save(T s);
T findOne(ID id);
boolean exists(ID id);
void delete(T deleted);
}
//--
@Repository
public interface MedicineRepository
extends BaseRepository<Medicine, Integer>{
}
我收到 500 状态错误,我的 tocatlog 显示以下消息:
严重:servlet [TavalendoDispatcherServlet] 在路径 [/tavalendo] 的上下文中的 Servlet.service() 引发异常 [请求处理失败;嵌套异常是 org.springframework.beans.NotReadablePropertyException:bean 类 [java.util.LinkedHashMap] 的无效属性“id”:在回退访问期间找不到属性字段!] 根本原因 org.springframework.beans.NotReadablePropertyException:无效bean 类 [java.util.LinkedHashMap] 的属性“id”:在回退访问期间找不到属性字段!在 org.springframework.data.util.DirectFieldAccessFallbackBeanWrapper.getPropertyValue(DirectFieldAccessFallbackBeanWrapper.java:56) 在 org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:103) 在 org.apache.catalina.valves.AccessLogValve.invoke (AccessLogValve.java:
有谁可以解释发生了什么?