51 lines
1.5 KiB
Java
51 lines
1.5 KiB
Java
package com.example.demo.model;
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import java.time.LocalDateTime;
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/**
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* 用户事件 - 演示 Spring 事件机制
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*
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* 学习点：
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* - ApplicationEvent 基类
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* - 事件驱动架构
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* - 观察者模式
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*/
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public class UserEvent {
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public enum Type {
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CREATED, // 用户创建
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UPDATED, // 用户更新
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DELETED, // 用户删除
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LOGIN // 用户登录
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}
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private Type type;
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private Long userId;
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private String userName;
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private LocalDateTime timestamp;
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private String detail;
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public UserEvent() {
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this.timestamp = LocalDateTime.now();
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}
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public UserEvent(Type type, Long userId, String userName, String detail) {
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this.type = type;
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this.userId = userId;
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this.userName = userName;
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this.detail = detail;
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this.timestamp = LocalDateTime.now();
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}
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// Getters and Setters
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public Type getType() { return type; }
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public void setType(Type type) { this.type = type; }
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public Long getUserId() { return userId; }
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public void setUserId(Long userId) { this.userId = userId; }
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public String getUserName() { return userName; }
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public void setUserName(String userName) { this.userName = userName; }
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public LocalDateTime getTimestamp() { return timestamp; }
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public void setTimestamp(LocalDateTime timestamp) { this.timestamp = timestamp; }
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public String getDetail() { return detail; }
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public void setDetail(String detail) { this.detail = detail; }
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} |