private static void inheritLegacy(TaxiRunningStatistics heritor, TaxiRunningStatistics legacy)
{
if (legacy != null)
{
heritor.EmptyRunningDistance += legacy.EmptyRunningDistance;
heritor.EmptyRunningDuration += legacy.EmptyRunningDuration;
heritor.LoadedRunningDistance += legacy.LoadedRunningDistance;
heritor.LoadedRunningDuration += legacy.LoadedRunningDuration;
Console.WriteLine("----预估空车行驶时间：" + legacy.EmptyRunningDuration + "s");
Console.WriteLine("----预估空车行驶距离：" + legacy.EmptyRunningDistance + "m");
Console.WriteLine("----预估重车行驶时间：" + legacy.LoadedRunningDuration + "s");
Console.WriteLine("----预估重车行驶距离：" + legacy.LoadedRunningDistance + "m");
Console.WriteLine();
}
}
public static List <List <TaxiRunningStatistics> > analyse(TaxiRunningSnapshot[] snapshots)
{
List <List <TaxiRunningStatistics> > result = new List <List <TaxiRunningStatistics> >();
int i = 0;
while (i < snapshots.Length)
{
List <TaxiRunningStatistics> statisticInOneDay = new List <TaxiRunningStatistics>();
DateTime currentDay = snapshots[i].Timestamp.Date, nextDay = currentDay.AddDays(1);
TaxiRunningStatistics lastHourLegacy = null; Boolean hasLegacy = false;
while (i < snapshots.Length && between(snapshots[i].Timestamp, currentDay, nextDay))
{
TaxiRunningStatistics statisticInOneHour = new TaxiRunningStatistics();
DateTime[] floorAndCeiling = GetFloorAndCeiling(snapshots[i].Timestamp);
statisticInOneHour.TaxiId = snapshots[i].TaxiId;
statisticInOneHour.StartTime = floorAndCeiling[0];
statisticInOneHour.EndTime = floorAndCeiling[1];
Console.WriteLine("开始统计:" + statisticInOneHour.StartTime + "到" + statisticInOneHour.EndTime + "的空驶率...");
if (hasLegacy)
{
inheritLegacy(statisticInOneHour, lastHourLegacy);
hasLegacy = false;
}
TaxiRunningSnapshot lastSnapshot = null, currentSnapshot = null;
while (i < snapshots.Length && between(snapshots[i].Timestamp, statisticInOneHour.StartTime, statisticInOneHour.EndTime))
{
currentSnapshot = snapshots[i];
if (lastSnapshot != null)
{
double duration = currentSnapshot.Timestamp.Subtract(lastSnapshot.Timestamp).TotalSeconds;
double distance = DistanceCalculator.Measure(lastSnapshot.Location, currentSnapshot.Location);
if (lastSnapshot.TaxiState == TaxiState.Empty)
{
statisticInOneHour.EmptyRunningDuration += duration;
statisticInOneHour.EmptyRunningDistance += distance;
}
else
{
statisticInOneHour.LoadedRunningDuration += duration;
statisticInOneHour.LoadedRunningDistance += distance;
}
printMessage(lastSnapshot.TaxiState, duration, distance);
}
lastSnapshot = currentSnapshot;
i++;
}
if (i < snapshots.Length)
{
//currentSnapshot为一个新小时的开始，对上一个小时的末尾进行预测
currentSnapshot = snapshots[i];
if (currentSnapshot.Timestamp.Subtract(lastSnapshot.Timestamp).TotalSeconds <= Config.GetPredictableRange())
{
Console.WriteLine("正在预估行驶时间和行驶距离...");
lastHourLegacy = new TaxiRunningStatistics();
double extraInDuration = statisticInOneHour.EndTime.Subtract(lastSnapshot.Timestamp).TotalSeconds;
double duration = currentSnapshot.Timestamp.Subtract(lastSnapshot.Timestamp).TotalSeconds;
double legacyInDuration = duration - extraInDuration;
double distance = DistanceCalculator.Measure(lastSnapshot.Location, currentSnapshot.Location);
double legacyInDistance = distance * legacyInDuration / duration;
double extraInDistance = distance * extraInDuration / duration;
if (lastSnapshot.TaxiState == TaxiState.Empty)
{
statisticInOneHour.EmptyRunningDuration += extraInDuration;
statisticInOneHour.EmptyRunningDistance += extraInDistance;
lastHourLegacy.EmptyRunningDuration = legacyInDuration;
lastHourLegacy.EmptyRunningDistance = legacyInDistance;
}
else
{
statisticInOneHour.LoadedRunningDuration += extraInDuration;
statisticInOneHour.LoadedRunningDistance += extraInDistance;
lastHourLegacy.LoadedRunningDuration = legacyInDuration;
lastHourLegacy.LoadedRunningDistance = legacyInDistance;
}
printMessage(lastSnapshot.TaxiState, extraInDuration, extraInDistance);
hasLegacy = true;
}
}
Console.WriteLine(statisticInOneHour.StartTime + "到" + statisticInOneHour.EndTime + "的数据统计完毕:");
Console.WriteLine(statisticInOneHour);
Console.WriteLine();
statisticInOneDay.Add(statisticInOneHour);
}
result.Add(statisticInOneDay);
}
return(result);
}
