mqtt/src/main/java/com/xydl/util/Subscribe.java

package com.xydl.util;

import com.xydl.service.impl.MqttServiceImpl;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import java.text.SimpleDateFormat;
import java.util.Date;

public class Subscribe {
    private static final Logger logger = LoggerFactory.getLogger(MqttServiceImpl.class);

    private static Subscribe single = new Subscribe();

    private  Subscribe(){
        logger.info("开始订阅===subScribe执行一次==={}", new SimpleDateFormat("yyyy-MM-dd HH:mm:ss").format(new Date()));
        new MqttUtil().subScribeMQTT();
    }

    public static Subscribe getInstance(){
        return single;
    }


}