Car/ElectronicControlUnit.java

package com.automobile.system;

/**
 * 电子控制单元类 - 与电子系统是组合关系
 * ECU是电子系统的必要组成部分，不能独立于电子系统存在
 */
public class ElectronicControlUnit {
    private String type;
    private String abbreviation;
    private String version;
    private boolean running;
    private int faultCode;
    
    /**
     * 构造方法 - 创建电子控制单元时设置基本属性
     * @param type 控制单元类型
     * @param abbreviation 缩写
     */
    public ElectronicControlUnit(String type, String abbreviation) {
        this.type = type;
        this.abbreviation = abbreviation;
        this.version = "1.0.0";
        this.running = false;
        this.faultCode = 0; // 0表示无故障
    }
    
    /**
     * 初始化ECU
     */
    public void initialize() {
        this.running = true;
        System.out.println(abbreviation + " (" + type + ") 初始化完成");
    }
    
    /**
     * 关闭ECU
     */
    public void shutdown() {
        this.running = false;
        System.out.println(abbreviation + " (" + type + ") 已关闭");
    }
    
    /**
     * 执行自检
     */
    public void runSelfTest() {
        if (running) {
            System.out.println(abbreviation + " 自检: " + 
                             (faultCode == 0 ? "正常" : "故障代码: " + faultCode));
        } else {
            System.out.println(abbreviation + " 未运行");
        }
    }
    
    /**
     * 更新软件版本
     * @param newVersion 新版本号
     */
    public void updateSoftware(String newVersion) {
        this.version = newVersion;
        System.out.println(abbreviation + " 软件更新到版本 " + newVersion);
    }
    
    /**
     * 设置故障代码
     * @param code 故障代码
     */
    public void setFault(int code) {
        this.faultCode = code;
        System.out.println(abbreviation + " 记录故障代码: " + code);
    }
    
    /**
     * 清除故障
     */
    public void clearFault() {
        this.faultCode = 0;
        System.out.println(abbreviation + " 故障已清除");
    }
    
    // Getter 和 Setter 方法
    public String getType() {
        return type;
    }
    
    public void setType(String type) {
        this.type = type;
    }
    
    public String getAbbreviation() {
        return abbreviation;
    }
    
    public void setAbbreviation(String abbreviation) {
        this.abbreviation = abbreviation;
    }
    
    public String getVersion() {
        return version;
    }
    
    public boolean isRunning() {
        return running;
    }
    
    public int getFaultCode() {
        return faultCode;
    }
}