package com.ruoyi.alarm.globalAlarm.domain;

import java.util.Comparator;
import java.util.HashMap;
import java.util.Map;
import java.util.PriorityQueue;

/**
 * @Description: 引导优先级队列
 * @ClassName: PriorityQueue
 * @Author: 刘苏义
 * @Date: 2023年06月29日11:18
 * @Version: 1.0
 **/
public class GuidePriorityQueue {
    /**
     * 相机队列，每个相机一个优先级队列
     */
    public static Map<String, PriorityQueue<GuideTask>> cameraQueueMap = new HashMap<>();

    /**
     * 创建一个自定义的比较器，根据优先级属性进行比较
     */
    public static Comparator<GuideTask> getComparator() {
        Comparator<GuideTask> PriorityDescCom = Comparator.comparingInt(GuideTask::getPriority).reversed();
        Comparator<GuideTask> NumDescCom = Comparator.comparingInt(GuideTask::getNum).reversed();
        Comparator<GuideTask> alarmTimeAscCom = Comparator.comparing(GuideTask::getAlarmTime);
        Comparator<GuideTask> Comparator = PriorityDescCom.thenComparing(NumDescCom).thenComparing(alarmTimeAscCom);
        return Comparator;
    }

}