mqtt/src/main/java/com/xydl/service/impl/MqttServiceImpl.java

package com.xydl.service.impl;


import com.xydl.mapper.OperationDB;
import com.xydl.util.FormatUtil;
import com.xydl.util.MqttUtil;
import com.xydl.util.Subscribe;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import java.util.*;
import java.util.stream.Collectors;



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

    @Autowired
    OperationDB operationDBMapper;

//    @Scheduled(initialDelay = 1000, fixedRate = 1000 * 3600) //通过@Scheduled声明该方法是计划任务，使用fixedRate属性每隔固定时间执行
    public void reportRecord() {
        logger.info("开始执行");
        Subscribe.getInstance();
        List<String> allTableNames = operationDBMapper.getAllTable();
        for (String tableName : allTableNames) {

            Map<String,String> fieldMap = new HashMap<>();
            List<Map<String, String>> fieldMaps = operationDBMapper.getFieldMap(tableName);
            for(Map<String,String> map: fieldMaps){
                for(String key : map.keySet()){
                    fieldMap.put(map.get("field_name"),map.get("dest_field_name"));
                }
            }

            String sqlExecuting = operationDBMapper.getSQL(tableName);
            String preSQL = sqlExecuting.substring(0,sqlExecuting.indexOf("?"));
            String midSQL = sqlExecuting.substring(sqlExecuting.indexOf("?")+1,sqlExecuting.lastIndexOf("?"));
            String lastSQL = sqlExecuting.substring(sqlExecuting.lastIndexOf("?")+1);
            List<Integer> dataEqmids = operationDBMapper.getDataEqmids(tableName);
            List<Integer> syncDevIds = operationDBMapper.getSyncRecordDevIds(tableName);
            if (dataEqmids.size() != syncDevIds.size()) {
                List<Integer> distinctDevids = dataEqmids.stream().filter(e -> !syncDevIds.contains(e)).collect(Collectors.toList());
                for (Integer devId : distinctDevids) {
                    String earliestTime = null;
                    if ("data_eaif_h".equals(tableName)) {
                        earliestTime = operationDBMapper.getEarliestTime4Eaif(tableName, devId);
                    } else {
                        earliestTime = operationDBMapper.getEarliestTime4Other(tableName, devId);
                    }
                    operationDBMapper.addEarliestTime(10,tableName, String.valueOf(devId), earliestTime);
                }
            }

            Map<Integer,Object> devIDLastTimeMap = new HashMap<>();
            List<Map<String, Object>> devIDLastTimeMaps = operationDBMapper.getDeviceIDAndtime(tableName);
            for(Map<String,Object> map : devIDLastTimeMaps){
                for(String devId : map.keySet()){
                    devIDLastTimeMap.put(Integer.parseInt((String) map.get("devid_val")), map.get("field_val2"));
                }
            }

            for (int deviceID : devIDLastTimeMap.keySet()) {
                String time = devIDLastTimeMap.get(deviceID).toString();
                System.out.println(time);
                String sql = preSQL+deviceID+midSQL+"'"+time+"'"+lastSQL;
                System.out.println("sql :"+sql);
                List<Map<String, Object>> dataOfoneDeviceID = operationDBMapper.getData(sql);
                String jsonStringData = FormatUtil.mqttFormatTransform(dataOfoneDeviceID, fieldMap);
                logger.info("表{}设备{}推送数据：{}", tableName, deviceID, jsonStringData);
                if (new MqttUtil().publish2MQTT(jsonStringData)) {
                    operationDBMapper.updateSyncRecordsTable(tableName, deviceID, (String) devIDLastTimeMap.get(deviceID));
                    logger.info("推送成功");
                } else {
                    logger.info("消息推送失败");
                }
            }
        }
    }


//    @Scheduled(fixedDelay = Long.MAX_VALUE) // 用一个非常大的延迟值，确保只执行一次
//    public void subScribeSamle() {
//        logger.info("开始订阅===subScribe执行一次==={}", new SimpleDateFormat("yyyy-MM-dd HH:mm:ss").format(new Date()));
//        MqttUtil.subScribeMQTT();
//    }

//    @Scheduled(fixedRate = 1000 * 3600) //通过@Scheduled声明该方法是计划任务，使用fixedRate属性每隔固定时间执行
//    public void checkDevIdTimer() {
//        logger.info("每小时检测一次同步的表是否在‘同步记录表’");
//        List<String> allTableNames = getAllTableNameFromSyncTable();
//        for (String tableName : allTableNames) {
//            if (!tableNameIfExitsSyncRec(tableName)) {
//                logger.info("有不存在的表{},把所有的devId及最早的时间更新到'同步记录表'", tableName);
//                List<String> devIds = operationDBMapper.getAllDevId(tableName);
//                for (String devId : devIds) {
//                    String earliestTime = null;
//                    if ("data_eaif_h".equals(tableName)) {
//                        earliestTime = operationDBMapper.getEarliestTime4Eaif(tableName, devId);
//                    } else {
//                        earliestTime = operationDBMapper.getEarliestTime4Other(tableName, devId);
//                    }
//                    addEarliestTime2SyncRecord(tableName, devId, earliestTime);
//                }
//            }
//        }
//    }


}