GpsDataRecovery.java 4.71 KB
package com.bsth.data.gpsdata.recovery;

import com.bsth.data.BasicData;
import com.bsth.data.gpsdata.GpsEntity;
import com.bsth.data.gpsdata.analyse.components.GpsArrival;
import com.bsth.util.db.DBUtils_MS;
import com.google.common.collect.ArrayListMultimap;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.jdbc.core.JdbcTemplate;
import org.springframework.jdbc.core.RowMapper;

import java.sql.ResultSet;
import java.sql.SQLException;
import java.util.*;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;

/**
 * 数据恢复
 * Created by panzhao on 2016/12/24.
 */
public class GpsDataRecovery {

    static Logger logger = LoggerFactory.getLogger(GpsDataRecovery.class);

    public static boolean run;

    static ExecutorService threadPool = Executors.newFixedThreadPool(50);

    private static CountDownLatch count;

    public static void recovery() {
        List<GpsEntity> list = loadData();

        //按车辆分组数据
        ArrayListMultimap<String, GpsEntity> listMap = ArrayListMultimap.create();
        for (GpsEntity gps : list) {
            if(gps.getNbbm() != null)
                listMap.put(gps.getNbbm(), gps);
        }

        count = new CountDownLatch(listMap.keySet().size());

        Set<String> keys = listMap.keySet();
        for (String nbbm : keys) {
            threadPool.execute(new RecoveryDataThread(listMap.get(nbbm), count));
            /*if(nbbm.equals("W9A-250"))
                new RecoveryDataThread(listMap.get(nbbm), count).run();*/
        }
        try {
            //等待子线程结束
            count.await();
            logger.info("GPS 数据恢复完成....");
        } catch (InterruptedException e) {
            logger.error("", e);
        }
    }

    /**
     * 加载当天的gps数据
     *
     * @return
     */
    public static List<GpsEntity> loadData() {
        Calendar calendar = Calendar.getInstance();
        int dayOfYear = calendar.get(Calendar.DAY_OF_YEAR);

        String sql = "select DEVICE_ID,LAT,LON,TS,SPEED_GPS,LINE_ID,SERVICE_STATE from BSTH_C_GPS_INFO where days_year=" + dayOfYear;
        JdbcTemplate jdbcTemplate = new JdbcTemplate(DBUtils_MS.getDataSource());

        List<GpsEntity> list =
                jdbcTemplate.query(sql, new RowMapper<GpsEntity>() {
                    @Override
                    public GpsEntity mapRow(ResultSet rs, int rowNum) throws SQLException {
                        GpsEntity gps = new GpsEntity();

                        gps.setDeviceId(rs.getString("DEVICE_ID"));
                        gps.setNbbm(BasicData.deviceId2NbbmMap.get(gps.getDeviceId()));
                        gps.setSpeed(rs.getFloat("SPEED_GPS"));
                        gps.setLat(rs.getFloat("LAT"));
                        gps.setLon(rs.getFloat("LON"));
                        gps.setLineId(rs.getString("LINE_ID"));
                        gps.setTimestamp(rs.getLong("TS"));
                        gps.setUpDown(getUpOrDown(rs.getLong("SERVICE_STATE")));
                        return gps;
                    }
                });
        return list;
    }

    /**
     * 王通 2016/6/29 9:23:24 获取车辆线路上下行
     *
     * @return -1无效 0上行 1下行
     */
    public static int getUpOrDown(long serviceState) {
        if ((serviceState & 0x00020000) == 0x00020000 || (serviceState & 0x80000000) == 0x80000000
                || (serviceState & 0x01000000) == 0x01000000 || (serviceState & 0x08000000) == 0x08000000)
            return -1;
        return (((serviceState & 0x10000000) == 0x10000000) ? 1 : 0);
    }

    public static class RecoveryDataThread implements Runnable {

        List<GpsEntity> list;
        CountDownLatch count;

        public RecoveryDataThread(List<GpsEntity> list, CountDownLatch count) {
            this.list = list;
            this.count = count;
        }

        @Override
        public void run() {
            try {
                //排序
                Collections.sort(list, new GpsComp());
                //依次跑完gps
                //int i = 0;
                for(GpsEntity gps : list){
                   /* i++;
                    if(i == 383){
                        System.out.println("aaa");
                    }*/
                    GpsArrival.arrival(gps);
                }
            } catch (Exception e) {
                logger.error("", e);
            } finally {
                count.countDown();
            }
        }
    }

    public static class GpsComp implements Comparator<GpsEntity>{

        @Override
        public int compare(GpsEntity g1, GpsEntity g2) {
            return (int) (g1.getTimestamp() - g2.getTimestamp());
        }
    }
}