GpsRealAnalyse.java
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package com.bsth.data.gpsdata.arrival;
import com.bsth.data.gpsdata.GpsEntity;
import com.bsth.data.gpsdata.GpsRealData;
import com.bsth.data.gpsdata.arrival.handlers.*;
import com.bsth.data.gpsdata.arrival.utils.CircleQueue;
import com.bsth.data.gpsdata.recovery.GpsDataRecovery;
import com.google.common.collect.ArrayListMultimap;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;
import java.util.Collections;
import java.util.Comparator;
import java.util.List;
import java.util.Set;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
/**
* gps 实时数据分析
* Created by panzhao on 2016/12/27.
*/
@Component
public class GpsRealAnalyse {
Logger logger = LoggerFactory.getLogger(this.getClass());
@Autowired
OfflineSignalHandle offlineSignalHandle;
@Autowired
CorrectSignalHandle correctSignalHandle;
@Autowired
StationInsideHandle stationInsideHandle;
@Autowired
InOutStationSignalHandle inOutStationSignalHandle;
@Autowired
ReverseSignalHandle reverseSignalHandle;
@Autowired
AbnormalStateHandle abnormalStateHandle;
@Autowired
GpsRealData gpsRealData;
static ExecutorService threadPool = Executors.newFixedThreadPool(100);
public void analyse(List<GpsEntity> list) {
//如果正在恢复数据
if (GpsDataRecovery.run)
return;
long t = System.currentTimeMillis();
logger.info("analyse gps size: " + list.size());
//按线路分组gps
ArrayListMultimap multimap = ArrayListMultimap.create();
for(GpsEntity gps : list){
multimap.put(gps.getLineId(), gps);
}
Set<String> ks = multimap.keySet();
CountDownLatch count = new CountDownLatch(ks.size());
for(String lineCode : ks){
threadPool.execute(new SignalHandleThread(multimap.get(lineCode), count));
}
try {
//等待子线程结束
count.await();
//加入实时gps对照
for(GpsEntity gps: list)
gpsRealData.put(gps);
logger.info("time , " + (System.currentTimeMillis() - t));
} catch (InterruptedException e) {
logger.error("", e);
}
}
static GpsComp comp = new GpsComp();
public class SignalHandleThread implements Runnable {
List<GpsEntity> list;
CountDownLatch count;
SignalHandleThread(List<GpsEntity> gpsList, CountDownLatch count) {
this.list = gpsList;
this.count = count;
}
@Override
public void run() {
try {
Collections.sort(list, comp);
for(GpsEntity gps : list){
//是否有任务
boolean task;
CircleQueue<GpsEntity> prevs = GeoCacheData.getGps(gps.getNbbm());
//掉线处理
offlineSignalHandle.handle(gps, prevs);
//状态处理
task = correctSignalHandle.handle(gps, prevs);
//场，站内外判断
stationInsideHandle.handle(gps, prevs);
//异常判定（越界/超速）
abnormalStateHandle.handle(gps, prevs);
if(!task)
return; //无任务的，到这里就结束
//反向处理
reverseSignalHandle.handle(gps, prevs);
//进出站动作处理
inOutStationSignalHandle.handle(gps, prevs);
GeoCacheData.putGps(gps);
}
} catch (Exception e) {
logger.error("", e);
} finally {
if(count != null)
count.countDown();
}
}
}
public static class GpsComp implements Comparator<GpsEntity> {
@Override
public int compare(GpsEntity g1, GpsEntity g2) {
return g1.getTimestamp().compareTo(g2.getTimestamp());
}
}
}