package com.genersoft.iot.vmp.service.redisMsg;
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import com.alibaba.fastjson.JSON;
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import com.genersoft.iot.vmp.service.bean.GPSMsgInfo;
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import com.genersoft.iot.vmp.storager.IRedisCatchStorage;
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import com.genersoft.iot.vmp.storager.IVideoManagerStorage;
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import org.jetbrains.annotations.NotNull;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.beans.factory.annotation.Qualifier;
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import org.springframework.data.redis.connection.Message;
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import org.springframework.data.redis.connection.MessageListener;
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import org.springframework.scheduling.annotation.Scheduled;
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import org.springframework.scheduling.concurrent.ThreadPoolTaskExecutor;
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import org.springframework.stereotype.Component;
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import java.util.List;
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import java.util.concurrent.ConcurrentLinkedQueue;
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/**
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* 接收来自redis的GPS更新通知
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* @author lin
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*/
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@Component
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public class RedisGpsMsgListener implements MessageListener {
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private final static Logger logger = LoggerFactory.getLogger(RedisGpsMsgListener.class);
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private boolean taskQueueHandlerRun = false;
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@Autowired
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private IRedisCatchStorage redisCatchStorage;
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@Autowired
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private IVideoManagerStorage storager;
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private ConcurrentLinkedQueue<Message> taskQueue = new ConcurrentLinkedQueue<>();
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@Qualifier("taskExecutor")
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@Autowired
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private ThreadPoolTaskExecutor taskExecutor;
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@Override
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public void onMessage(@NotNull Message message, byte[] bytes) {
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taskQueue.offer(message);
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if (!taskQueueHandlerRun) {
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taskQueueHandlerRun = true;
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taskExecutor.execute(() -> {
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while (!taskQueue.isEmpty()) {
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Message msg = taskQueue.poll();
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GPSMsgInfo gpsMsgInfo = JSON.parseObject(msg.getBody(), GPSMsgInfo.class);
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// 只是放入redis缓存起来
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redisCatchStorage.updateGpsMsgInfo(gpsMsgInfo);
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}
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taskQueueHandlerRun = false;
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});
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}
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}
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/**
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* 定时将经纬度更新到数据库
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*/
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@Scheduled(fixedRate = 2 * 1000) //每2秒执行一次
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public void execute(){
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List<GPSMsgInfo> gpsMsgInfo = redisCatchStorage.getAllGpsMsgInfo();
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if (gpsMsgInfo.size() > 0) {
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storager.updateStreamGPS(gpsMsgInfo);
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for (GPSMsgInfo msgInfo : gpsMsgInfo) {
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msgInfo.setStored(true);
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redisCatchStorage.updateGpsMsgInfo(msgInfo);
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}
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}
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}
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}
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