print/SmartDoor.java

/**
 * 智能门锁类
 * 只实现了Lockable接口，专注于锁定功能
 */
public class SmartDoor implements Lockable {
    private String name;
    private boolean locked;
    
    /**
     * 构造函数
     * @param name 智能门锁名称
     */
    public SmartDoor(String name) {
        this.name = name;
        this.locked = false; // 默认解锁状态
    }
    
    @Override
    public void lock() {
        if (!locked) {
            locked = true;
            System.out.println(name + " 已锁定");
        } else {
            System.out.println(name + " 已经是锁定状态");
        }
    }
    
    @Override
    public void unlock() {
        if (locked) {
            locked = false;
            System.out.println(name + " 已解锁");
        } else {
            System.out.println(name + " 已经是解锁状态");
        }
    }
    
    @Override
    public boolean isLocked() {
        return locked;
    }
    
    /**
     * 获取智能门锁名称
     * @return 智能门锁名称
     */
    public String getName() {
        return name;
    }
}