我正在开发一个 Spring Boot Rest API,我之前问了一个关于将 pojo 类映射到结果集 的问题
我得到的答案很有效,但是当我只使用一个实体类和一个 SqlResultSetMapping 文件时。
我的堆栈跟踪:
javax.persistence.PersistenceException: org.hibernate.MappingException: Unknown SqlResultSetMapping [UserMapping]
at org.hibernate.internal.ExceptionConverterImpl.convert(ExceptionConverterImpl.java:154)
at org.hibernate.internal.ExceptionConverterImpl.convert(ExceptionConverterImpl.java:181)
at org.hibernate.internal.ExceptionConverterImpl.convert(ExceptionConverterImpl.java:188)
at org.hibernate.internal.AbstractSharedSessionContract.createNativeQuery(AbstractSharedSessionContract.java:1035)
at org.hibernate.internal.AbstractSharedSessionContract.createNativeQuery(AbstractSharedSessionContract.java:109)
at com.app.ecclesiamainframe.service.impl.UsersServiceImpl.findByUsername(UsersServiceImpl.java:89)
at com.app.ecclesiamainframe.service.impl.UsersServiceImpl$$FastClassBySpringCGLIB$$ae026741.invoke(<generated>)
at org.springframework.cglib.proxy.MethodProxy.invoke(MethodProxy.java:218)
at org.springframework.aop.framework.CglibAopProxy$CglibMethodInvocation.invokeJoinpoint(CglibAopProxy.java:769)
Caused by: org.hibernate.MappingException: Unknown SqlResultSetMapping [UserMapping]
at org.hibernate.query.internal.NativeQueryImpl.setResultSetMapping(NativeQueryImpl.java:147)
at org.hibernate.internal.AbstractSharedSessionContract.createNativeQuery(AbstractSharedSessionContract.java:1031)
... 64 more
我的会员实体:
*
*/
package com.app.ecclesiamainframe.entity;
import java.io.Serializable;
import javax.persistence.Column;
import javax.persistence.ColumnResult;
import javax.persistence.ConstructorResult;
import javax.persistence.Entity;
import javax.persistence.GeneratedValue;
import javax.persistence.GenerationType;
import javax.persistence.Id;
import javax.persistence.SqlResultSetMapping;
import javax.persistence.Table;
import org.hibernate.annotations.Type;
import org.hibernate.annotations.TypeDef;
import com.vladmihalcea.hibernate.type.json.JsonStringType;
import lombok.Data;
/**
* @author Harry
*
*/
@Entity
@Table(name="members_tb")
@Data
@TypeDef(
name = "json",
typeClass = JsonStringType.class
)
@SqlResultSetMapping(
name = "MemberMapping",
classes = @ConstructorResult(
targetClass = Members.class,
columns = {
@ColumnResult(name = "memberId", type = Long.class),
@ColumnResult(name = "dcaRegno", type = Long.class),
@ColumnResult(name = "address"),
@ColumnResult(name = "age"),
@ColumnResult(name = "areaId", type = Long.class),
@ColumnResult(name = "birthday"),
@ColumnResult(name = "cellId", type = Long.class),
@ColumnResult(name = "dca"),
@ColumnResult(name = "department"),
@ColumnResult(name = "editor"),
@ColumnResult(name = "firstTime"),
@ColumnResult(name = "gender"),
@ColumnResult(name = "maritalStatus"),
@ColumnResult(name = "memberEmail"),
@ColumnResult(name = "memberHomePhoneNum", type = Long.class),
@ColumnResult(name = "memberMobileNum", type = Long.class),
@ColumnResult(name = "memberName"),
@ColumnResult(name = "note"),
@ColumnResult(name = "secondTime")
}))
public class Members implements Serializable {
/**
*
*/
public Members() {}
private static final long serialVersionUID = 1L;
@Id
@Column(name="memberId")
@GeneratedValue(strategy = GenerationType.AUTO)
private Long memberId;
@Column(name="dcaRegno")
private Long dcaRegno;
@Type(type = "json")
@Column(columnDefinition = "json",name="address")
private String address;
@Column(name="age")
private String age;
@Column(name="areaId")
private Long areaId;
@Column(name="birthday")
private String birthday;
@Column(name="cellId")
private Long cellId;
@Type(type = "json")
@Column(columnDefinition = "json",name="dca")
private String dca;
@Column(name="department")
private String department;
@Column(name="editor")
private String editor;
@Column(name="firstTime")
private String firstTime;
@Column(name="gender")
private String gender;
@Column(name="maritalStatus")
private String maritalStatus;
@Column(name="memberEmail")
private String memberEmail;
@Column(name="memberHomePhoneNum")
private Long memberHomePhoneNum;
@Column(name="memberMobileNum")
private Long memberMobileNum;
@Column(name="memberName")
private String memberName;
@Column(name="note")
private String note;
@Column(name="secondTime")
private String secondTime;
public Members(Long memberId,String memberName) {
this.memberId = memberId;
this.memberName = memberName;
}
public Members(Long memberId, Long dcaRegno, String address, String age, Long areaId, String birthday, Long cellId, String dca,
String department, String editor, String firstTime, String gender, String maritalStatus, String memberEmail,
Long memberHomePhoneNum, Long memberMobileNum, String memberName, String note, String secondTime) {
this.memberId = memberId;
this.dcaRegno = dcaRegno;
this.address = address;
this.age = age;
this.areaId = areaId;
this.birthday = birthday;
this.cellId = cellId;
this.dca = dca;
this.department = department;
this.editor = editor;
this.firstTime = firstTime;
this.gender = gender;
this.maritalStatus = maritalStatus;
this.memberEmail = memberEmail;
this.memberHomePhoneNum = memberHomePhoneNum;
this.memberMobileNum = memberMobileNum;
this.memberName = memberName;
this.note = note;
this.secondTime = secondTime;
}
}
我的用户实体:
*
*/
package com.app.ecclesiamainframe.entity;
import java.io.Serializable;
import javax.persistence.Column;
import javax.persistence.ColumnResult;
import javax.persistence.ConstructorResult;
import javax.persistence.Entity;
import javax.persistence.GeneratedValue;
import javax.persistence.GenerationType;
import javax.persistence.Id;
import javax.persistence.SqlResultSetMapping;
import javax.persistence.Table;
//import org.springframework.security.authentication.encoding.Md5PasswordEncoder;
//import org.springframework.security.authentication.encoding.PasswordEncoder;
import lombok.Data;
/**
* @author Harry
*
*/
@Entity
@Table(name="users_tb")
@Data
@SqlResultSetMapping(
name = "UserMapping",
classes = @ConstructorResult(
targetClass = Users.class,
columns = {
@ColumnResult(name = "userId", type = Long.class),
@ColumnResult(name = "username"),
@ColumnResult(name = "password"),
@ColumnResult(name = "name"),
@ColumnResult(name = "areaId", type = Long.class),
@ColumnResult(name = "permission")
}))
public class Users implements Serializable {
/**
*
*/
public Users() {}
private static final long serialVersionUID = 1L;
@Id
@Column(name="userId")
@GeneratedValue(strategy = GenerationType.AUTO)
private Long userId;
@Column(name="username")
private String username;
@Column(name="password")
private String password;
@Column(name="name")
private String name;
@Column(name="areaId")
private Long areaId;
@Column(name="permission")
private String permission;
// public String getPassword() {
// return password;
// }
// public void setPassword(String password) {
// PasswordEncoder crypto = new Md5PasswordEncoder();
// this.password = crypto.encodePassword(password, null);
// }
public Users(Long userId, String username,String password, String name, Long areaId, String permission) {
this.userId = userId;
this.username = username;
this.password = password;
this.name = name;
this.areaId = areaId;
this.permission = permission;
}
}
我的 MemberServiceImpl:
*
*/
package com.app.ecclesiamainframe.service.impl;
import java.util.List;
import java.util.Optional;
import javax.persistence.Query;
import javax.transaction.Transactional;
import org.springframework.beans.factory.annotation.Autowired;
import org.hibernate.Session;
import org.hibernate.Transaction;
import org.springframework.stereotype.Service;
import com.app.ecclesiamainframe.dao.MembersDao;
import com.app.ecclesiamainframe.entity.Members;
import com.app.ecclesiamainframe.service.MembersService;
import com.app.ecclesiamainframe.util.HibernateUtil;
/**
* @author Harry
*
*/
@Service
public class MembersServiceImpl implements MembersService {
Session session = null;
Transaction transaction = null;
@Autowired
private MembersDao membersDao;
public MembersServiceImpl() {
super();
}
@Transactional
public Members saveMember(Members member) {
// TODO Auto-generated method stub
return membersDao.save(member);
}
@Transactional
public Members updateMembers(Members member) {
// TODO Auto-generated method stub
return membersDao.saveAndFlush(member);
}
@Transactional
@SuppressWarnings("unchecked")
public List<Members> findByMembername(String memberName)
{
//return membersDao.findByMemberName(memberName);
List<Members> members = null;
try {
session = HibernateUtil.getSessionFactory().openSession();
transaction = session.beginTransaction();
// Native query selecting all columns
Query query = session.createNativeQuery("SELECT * FROM members_tb where memberName like :memberName","MemberMapping")
.setParameter("memberName","%"+memberName+"%"); //named parameter binding
members = query.getResultList();
transaction.commit();
} catch (Exception e) {
e.printStackTrace();
} finally {
if (session != null) {
session.close();
}
}
// HibernateUtil.shutdown();
return members;
}
@Transactional
public List<Members> getMembers() {
// TODO Auto-generated method stub
return membersDao.findAll();
}
@Transactional
public Optional<Members> getMember(Long memberId) {
// TODO Auto-generated method stub
return membersDao.findById(memberId);
}
@Transactional
public void deleteMember(Long memberId) {
// TODO Auto-generated method stub
membersDao.deleteById(memberId);
}
}
我的 UserServiceImpl:
*
*/
package com.app.ecclesiamainframe.service.impl;
import java.util.ArrayList;
import java.util.Collection;
import java.util.List;
import java.util.Optional;
import javax.persistence.Query;
import javax.transaction.Transactional;
import org.springframework.beans.factory.annotation.Autowired;
import org.hibernate.Session;
import org.hibernate.Transaction;
//import org.primefaces.component.inputtext.InputText;
//import org.springframework.security.core.GrantedAuthority;
//import org.springframework.security.core.authority.SimpleGrantedAuthority;
//import org.springframework.security.core.userdetails.User;
//import org.springframework.security.core.userdetails.UserDetails;
//import org.springframework.security.core.userdetails.UsersService;
//import org.springframework.security.core.userdetails.UsernameNotFoundException;
import org.springframework.stereotype.Service;
import com.app.ecclesiamainframe.dao.UsersDao;
import com.app.ecclesiamainframe.entity.Users;
import com.app.ecclesiamainframe.service.UsersService;
import com.app.ecclesiamainframe.util.HibernateUtil;
/**
* @author Harry
*
*/
@Service
public class UsersServiceImpl implements UsersService {
Session session = null;
Transaction transaction = null;
@Autowired
private UsersDao usersDao;
public UsersServiceImpl() {
super();
}
@Transactional
public Users saveUser(Users user) {
// TODO Auto-generated method stub
return usersDao.save(user);
}
@Transactional
public Users updateUser(Users user) {
// TODO Auto-generated method stub
return usersDao.saveAndFlush(user);
}
@Transactional
public List<Users> getUsers() {
// TODO Auto-generated method stub
return usersDao.findAll();
}
@Transactional
public Optional<Users> getUser(Long userId) {
// TODO Auto-generated method stub
return usersDao.findById(userId);
}
@Transactional
public void deleteUser(Long userId) {
// TODO Auto-generated method stub
usersDao.deleteById(userId);
}
//@SuppressWarnings("unchecked")
@Transactional
public Users findByUsername(String userName) {
//return usersDao.findByMemberName(memberName);
Users users = null;
try {
session = HibernateUtil.getSessionFactory().openSession();
transaction = session.beginTransaction();
// Native query selecting all columns
Query query = session.createNativeQuery("SELECT * FROM users_tb where username like :userName","UserMapping")
.setParameter("userName","%"+userName+"%"); //named parameter binding
users = (Users) query.getSingleResult();
transaction.commit();
} catch (Exception e) {
e.printStackTrace();
} finally {
if (session != null) {
session.close();
}
}
// HibernateUtil.shutdown();
return users;
}
我的问题是
我有几个实体,例如成员、用户、课程,并且我为每个类设计了一个 SqlResultSetMapping 文件。但是当我测试我的 API 只有成员类得到正确的响应和映射时,用户实体服务实现返回未知的 SqlResultSetMapping [UserMapping] ...