package cn.lili.timetask.handler.impl.statistics;
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import cn.lili.cache.Cache;
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import cn.lili.cache.CachePrefix;
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import cn.lili.common.security.enums.UserEnums;
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import cn.lili.common.properties.StatisticsProperties;
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import cn.lili.modules.statistics.entity.vo.OnlineMemberVO;
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import cn.lili.timetask.handler.EveryHourExecute;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.stereotype.Component;
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import java.util.ArrayList;
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import java.util.Calendar;
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import java.util.Date;
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import java.util.List;
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import java.util.concurrent.atomic.AtomicReference;
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import java.util.stream.Collectors;
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/**
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* 实时在线人数统计
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*
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* @author Chopper
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* @since 2021-02-21 09:47
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*/
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@Component
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public class OnlineMemberStatistics implements EveryHourExecute {
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/**
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* 缓存
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*/
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@Autowired
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private Cache<List<OnlineMemberVO>> cache;
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/**
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* 统计小时
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*/
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@Autowired
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private StatisticsProperties statisticsProperties;
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@Override
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public void execute() {
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Calendar calendar = Calendar.getInstance();
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List<OnlineMemberVO> onlineMemberVOS = cache.get(CachePrefix.ONLINE_MEMBER.getPrefix());
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if (onlineMemberVOS == null) {
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onlineMemberVOS = new ArrayList<>();
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}
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//过滤 有效统计时间
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calendar.set(Calendar.HOUR_OF_DAY, calendar.get(Calendar.HOUR_OF_DAY) - statisticsProperties.getOnlineMember());
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calendar.set(Calendar.MINUTE, 0);
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calendar.set(Calendar.SECOND, 0);
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calendar.set(Calendar.MILLISECOND, 0);
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Calendar finalCalendar = calendar;
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AtomicReference<Integer> lastNum = new AtomicReference<>(0);
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onlineMemberVOS = onlineMemberVOS.stream()
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.filter(onlineMemberVO -> {
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//如果为过滤参数，则记录为过期参数，则为统一时段上一周期的在线人数
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if (!onlineMemberVO.getDate().after(finalCalendar.getTime())) {
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lastNum.set(onlineMemberVO.getNum());
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}
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return onlineMemberVO.getDate().after(finalCalendar.getTime());
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})
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.collect(Collectors.toList());
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//计入新数据
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calendar = Calendar.getInstance();
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calendar.set(Calendar.MINUTE, 0);
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calendar.set(Calendar.SECOND, 0);
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calendar.set(Calendar.MILLISECOND, 0);
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onlineMemberVOS.add(new OnlineMemberVO(calendar.getTime(), cache.keys(CachePrefix.ACCESS_TOKEN.getPrefix(UserEnums.MEMBER) + "*").size(),
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lastNum.get()));
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//写入缓存
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cache.put(CachePrefix.ONLINE_MEMBER.getPrefix(), onlineMemberVOS);
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}
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/**
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* 手动设置某一时间，活跃人数
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*
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* @param time 时间
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* @param num 人数
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*/
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public void execute(Date time, Integer num) {
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List<OnlineMemberVO> onlineMemberVOS = cache.get(CachePrefix.ONLINE_MEMBER.getPrefix());
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if (onlineMemberVOS == null) {
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onlineMemberVOS = new ArrayList<>();
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}
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Calendar calendar = Calendar.getInstance();
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calendar.setTime(time);
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//过滤 有效统计时间
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calendar.set(Calendar.MINUTE, 0);
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calendar.set(Calendar.SECOND, 0);
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calendar.set(Calendar.MILLISECOND, 0);
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calendar.set(Calendar.HOUR_OF_DAY, calendar.get(Calendar.HOUR_OF_DAY) - 48);
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onlineMemberVOS = onlineMemberVOS.stream()
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.filter(onlineMemberVO -> onlineMemberVO.getDate().after(calendar.getTime()))
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.collect(Collectors.toList());
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onlineMemberVOS.add(new OnlineMemberVO(time, num, num));
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//写入缓存
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cache.put(CachePrefix.ONLINE_MEMBER.getPrefix(), onlineMemberVOS);
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}
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}
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