/// <summary>
/// 检测操作提前多少秒
/// </summary>
/// <param name="filter">操作</param>
/// <param name="historyTime">历史时刻到现在</param>
/// <param name="seconds">提前多少秒</param>
/// <returns></returns>
public bool CheckOperationAheadSeconds(Func <CarSignalInfo, bool> filter, DateTime historyTime, double seconds)
{
///当设置小于等于0时直接验证成功。
if (seconds <= 0)
{
return(true);
}
var items = CarSignalSet.Query(historyTime);
var firstItem = items.FirstOrDefault(filter);
if (firstItem == null)
{
return(false);
}
var lastItem = items.LastOrDefault(filter);
if (lastItem == null)
{
return(false);
}
if (firstItem == lastItem)
{
return(false);
}
var isOk = (firstItem.RecordTime - lastItem.RecordTime).TotalSeconds >= seconds;
return(isOk);
}
public IEnumerable <TimeSpan> GetPeriods(Func <CarSignalInfo, bool> filter, DateTime historyTime)
{
DateTime?lastRecordTime = null;
foreach (var carSensorInfo in CarSignalSet.TakeWhile(x => x.RecordTime >= historyTime))
{
var result = filter(carSensorInfo);
if (result)
{
if (!lastRecordTime.HasValue)
{
lastRecordTime = DateTime.Now;
}
continue;
}
if (lastRecordTime.HasValue)
{
var period = (lastRecordTime.Value - carSensorInfo.RecordTime);
lastRecordTime = null;
yield return(period);
}
}
}
/// <summary>
/// 在规定的时间内两次挂档不进
/// </summary>
/// <param name="historyTime">规定的时间时间</param>
/// <returns></returns>
public bool CheckDoubleChangingGearFailed(DateTime historyTime)
{
var carSensors = CarSignalSet.Query(historyTime);
var carSensorsSections = ParseNotNeutralItems(carSensors).Take(2).ToArray();
if (carSensorsSections.Length < 2)
{
return(false);
}
//如果在2次空挡之间检测到没有档位，则评定挂档不进
var result = carSensorsSections.SelectMany(x => x).All(x => x.Sensor.Gear == Gear.Neutral);
return(result);
}
/// <summary>
/// 查询远光变换的次数
/// </summary>
/// <param name="historyTime">历史时刻</param>
/// <returns></returns>
private IEnumerable <int> QueryHighBeamChangedNumbers(DateTime historyTime)
{
var items = CarSignalSet.Query(historyTime);
if (items.Length == 0)
{
return(Enumerable.Empty <int>());
}
var highBeamCounts = ParseHighBeamCounts(items).ToArray();
//Logger.DebugFormat("时间段：{0:HH:mm:ss.ff}-{1:HH:mm:ss.ff}，远光变换次数：{2}, {3}",
// DateTime.Now, historyTime,
// highBeamCounts.Length, highBeamCounts);
return(highBeamCounts);
}
public bool GetSafetyBeltChanged(int minCount)
{
if (CarSignalSet.Count <= 1)
{
return(false);
}
var currentSafetyBelt = CarSignalSet.Current.Sensor.SafetyBelt;
var currentCount = CarSignalSet.TakeWhile(x => x.Sensor.SafetyBelt == currentSafetyBelt).Count();
if (currentCount < minCount)
{
return(false);
}
var previousCount = CarSignalSet.Skip(currentCount).TakeWhile(x => x.Sensor.SafetyBelt == !currentSafetyBelt).Count();
return(previousCount >= minCount);
}
public void Execute(CarSignalInfo signalInfo)
{
//加入队列
try
{
CarSignalProcessors.Execute(signalInfo);
}
catch (Exception exp)
{
Logger.ErrorFormat("执行任务 {0} 发生异常，原因： {1}", "CarSignalProcessors", exp.Message);
}
try
{
CarSignalMonitor.Execute(signalInfo);
}
catch (Exception exp)
{
Logger.ErrorFormat("处理任务 {0} 发生异常，原因： {1}", "CarSignalMonitor", exp.Message);
}
//加入队列
CarSignalSet.Enqueue(signalInfo);
}
public IEnumerable <GearChangedState> GetGearChangedStates(DateTime historyTime)
{
Gear? g = null;
DateTime?lastGearTime = null;
DateTime?firstGearTime = null;
foreach (var carSensorInfo in CarSignalSet.Query(historyTime))
{
if (!g.HasValue)
{
g = carSensorInfo.Sensor.Gear;
lastGearTime = carSensorInfo.RecordTime;
continue;
}
if (g == carSensorInfo.Sensor.Gear)
{
firstGearTime = carSensorInfo.RecordTime;
}
else
{
//档位超过规定值
var gearState = new GearChangedState(g.Value, firstGearTime.GetValueOrDefault(lastGearTime.Value), lastGearTime.Value);
yield return(gearState);
//启动新的值；
g = carSensorInfo.Sensor.Gear;
lastGearTime = carSensorInfo.RecordTime;
firstGearTime = null;
}
}
if (g.HasValue)
{
var gearState = new GearChangedState(g.Value, firstGearTime.GetValueOrDefault(lastGearTime.Value), lastGearTime.Value);
yield return(gearState);
}
}
