Java 变量被覆盖

我已经用Spring Boot和Lombok编写了一些代码。我有两个对象，

user

和

loggedInUser

都基于

user.class

。我为每个对象

userEmail

字段指定了不同的值。我得到了以下代码。

user

是来自端点的请求中的内容，而

loggedInUser

是执行请求的用户

这是

用户类

：

@Component
@Data
public class User {    
    private String userEmail;
}

这是我使用的

User.class

private User user;

private User loggedInUser;

private SearchParameters searchParameters;

public UserController(
        User user,
        User loggedInUser,
        SearchParameters searchParameters, {

    this.user = user;
    this.loggedInUser = loggedInUser;
    this.searchParameters = searchParameters;
}

@GetMapping(value = "${apiVersion.v_1}" + "/users")
public ResponseEntity getUsers(
        @RequestParam("userEmail") String userEmail,
        @RequestParam("direction") String direction,
        @RequestParam("limit") String limit) {

    Jws<Claims> jwsClaims = (Jws<Claims>) SecurityContextHolder.getContext().getAuthentication().getPrincipal();
    loggedInUser.setUserEmail(jwsClaims.getBody().getSubject()); //From a JWT the logged in user's e-mail is picked up. In this case joe@example.com
    log.info("loggedInUser.getUserEmail #1: " + loggedInUser.getUserEmail());

    user.setUserEmail(userEmail); // From the request parameters the email is that will be used for the search is picked up. In this case smith@example.com
    searchParameters.setDirection(direction); //Can be "u" or "d" that corresponds to "SELECT * FROM user_tbl WHERE < user.getEmail()" or "SELECT * FROM user_tbl WHERE > user.getEmail()" in the SQL that will run in another class 
    searchParameters.setLimit(limit); //An integer that will limit the number of returned results from the user_tbl
    log.info("loggedInUser.getUserEmail #2: " + loggedInUser.getUserEmail());

    //The search is done in another class that is taking user.getEmail() as an argument and returns a List of users

---

我本以为

user

和

loggedInUser

是两个独立的对象，因为它们有不同的名称，依赖项注入每次都实例化一个新对象，但看起来

user

正在覆盖

loggedInUser

。我在这里遗漏了什么？

是否可能

user

和

loggedInUser

实际上是同一个对象？您可以使用调试器来检查这一点。并且依赖项注入每次都实例化一个新对象：您认为为什么会这样？默认情况下，SpringBean是单例的。@jbnize抱歉，我可能把它弄混了。这是否意味着

user

和

loggedInUser

是同一个对象？是的。这就是它的意思。我认为你的整个设计毫无意义，你应该阅读关于Spring的文章来理解你在做什么。

loggedInUser

应该代表什么？我可以理解这是一个具有请求或会话范围的Springbean。但绝对不是单身汉。但是

user

应该代表什么呢？为什么是春豆？

loggedInUser.getUserEmail #1: joe@example.com
loggedInUser.getUserEmail #2: smith@example.com