DataHandleProcess.java
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package com.bsth.data.gpsdata_v2;
import com.bsth.data.gpsdata_v2.cache.GpsCacheData;
import com.bsth.data.gpsdata_v2.entity.GpsEntity;
import com.bsth.data.gpsdata_v2.handlers.*;
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.ArrayList;
import java.util.List;
import java.util.Set;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import java.util.concurrent.ThreadFactory;
/**
* 实时信号数据处理
* Created by panzhao on 2017/11/15.
*/
@Component
public class DataHandleProcess {
static Logger logger = LoggerFactory.getLogger(DataHandleProcess.class);
final static int POOL_SIZE = 25;
static ExecutorService threadPool = Executors.newFixedThreadPool(POOL_SIZE + 1, new HandlerThreadFactory());
public static CountDownLatch count;
@Autowired
GpsStateProcess gpsStateProcess;
@Autowired
StationInsideProcess stationInsideProcess;
@Autowired
AbnormalStateProcess abnormalStateProcess;
@Autowired
InStationProcess inStationProcess;
@Autowired
OutStationProcess outStationProcess;
@Autowired
ReverseRouteProcess reverseRouteProcess;
@Autowired
GpsRealData gpsRealData;
static long lastTime;
public static boolean isBlock() {
return System.currentTimeMillis() - lastTime > 1000 * 30;
}
public void handle(List<GpsEntity> list) {
try {
if(list.size() == 0)
return;
lastTime = System.currentTimeMillis();
//按设备号分组数据（一个设备的多条数据，必须在一个线程里跑）
ArrayListMultimap multimap = ArrayListMultimap.create();
for (GpsEntity gps : list) {
multimap.put(gps.getDeviceId(), gps);
}
List<String> deviceList = new ArrayList<>(multimap.keySet());
//数据均分给线程
ArrayListMultimap dataListMap = ArrayListMultimap.create();
int size = deviceList.size(), threadIndex = 0, threadSize = size / POOL_SIZE;
for (int i = 0; i < size; i++) {
if (i % threadSize == 0)
threadIndex++;
dataListMap.putAll(threadIndex, multimap.get(deviceList.get(i)));
}
Set<Integer> ks = dataListMap.keySet();
logger.info("analyse gps size: " + list.size() + ", ks: " + ks.size());
count = new CountDownLatch(ks.size());
for (Integer index : ks) {
threadPool.execute(new SignalHandleThread(dataListMap.get(index), count));
}
//等待子线程结束
count.await();
//加入实时gps对照
for (GpsEntity gps : list)
gpsRealData.put(gps);
} catch (Exception e) {
logger.error("", e);
}
}
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 {
for (GpsEntity gps : list) {
try{
if(Math.abs(gps.getTimestamp() - gps.getServerTimestamp()) > 1000 * 60 * 20)
continue;
gpsStateProcess.process(gps);//状态处理
stationInsideProcess.process(gps);//场站内外判定
reverseRouteProcess.process(gps);//反向路由处理
abnormalStateProcess.process(gps);//超速越界
inStationProcess.process(gps);//进站
outStationProcess.process(gps);//出站
GpsCacheData.putGps(gps);//历史gps缓存
}catch (Exception e){
logger.error("", e);
}
}
} finally {
if (count != null)
count.countDown();
}
}
}
static class MyUncaughtExceptionHandler implements Thread.UncaughtExceptionHandler {
@Override
public void uncaughtException(Thread t, Throwable e) {
logger.error("caught " , e);
}
}
static class HandlerThreadFactory implements ThreadFactory {
@Override
public Thread newThread(Runnable r) {
Thread t = new Thread(r);
t.setUncaughtExceptionHandler(new MyUncaughtExceptionHandler());
return t;
}
}
}