protected bool IsReachConditionAlertAgain(EGPSCurrentInfo current, ETraceAlertSetting seting, LastTracePointAlertStatus lastCachingPointStatus)
{
// 从来没有报警，则需要报警
if (lastCachingPointStatus.LastAlertTime == null)
return true;
TimeSpan differenceTime = current.ReportTime - lastCachingPointStatus.LastAlertTime.Value;
if (differenceTime.TotalSeconds <= Static_AlarnIntervalTime)
return false;
// 取上一条Trace报警状态，如果找不到直接跳出（实际上不可能找不到的，因为至少会返回一个空内容的实例，除非数据库访问错误）
var lastCachingStatus = AlarmLastStatusService.Singleton.GetLastTraceAlertStatus(current, seting);
if (lastCachingStatus == null || !lastCachingStatus.LastAlertExists)
return true;
// 若最后一个报警的标注点不是当前需要报警的标注点，则报警。
if (lastCachingStatus.LastAlertTracePointId != seting.TracePointID.ToString().ToLower())
return true;
// 如果是同一个标注点内报警，且当前车辆的ACC为开，则符合再次报警条件。
return (current.ACCState == 1);
}
protected void Alert(AlarmHandleContext context, EGPSCurrentInfo current, EnumAlertState state, ETraceAlertSetting alertSetting, LastTracePointAlertStatus lastCachingPointStatus)
{
if (alertSetting.EnableSMS || alertSetting.Enable)
{
// 生成报警实例，并将报警存入数据库，最新的报警状态放入缓存中
ETraceAlertReport alertReport = this.CreateAlertReport(context, current, state, alertSetting);
DateTime dt1 = DateTime.Now;
GPSServiceFacade.AlertService.Add<ETraceAlertReport>(alertReport);
Logger.Info(string.Format("Static_AlertReportService.Add<ETraceAlertReport>(alertReport)共花销{0}毫秒", (DateTime.Now - dt1).TotalMilliseconds));
lastCachingPointStatus.LastAlertTime = current.ReportTime;
AlarmLastStatusService.Singleton.SaveLastTracePointAlertStatus(current, alertSetting, lastCachingPointStatus);
LastTraceAlertStatus lastCachingStatus = new LastTraceAlertStatus()
{
LastAlertTracePointId = alertSetting.TracePointID.ToString().ToLower(),
LastAlertTime = current.ReportTime
};
AlarmLastStatusService.Singleton.SaveLastTraceAlertStatus(current.VehicleCode.Value, lastCachingStatus);
if (alertSetting.EnableSMS && this.IsInMobileReceiveTime(alertReport))
{
this.SendSMS(context, alertReport);
}
if (alertSetting.Enable && this.IsInUserReceiveTime(alertReport))
{
this.SendWebSiteSMS(context, alertReport);
}
}
}
public void SaveLastTracePointAlertStatus(EGPSCurrentInfo current, ETraceAlertSetting alertSetting, LastTracePointAlertStatus status)
{
string key = CONST_KEY_LAST_TRACEPOINT_STATUS + current.VehicleCode.Value.ToString() + "_" + alertSetting.TracePoint.RecordID;
if (status == null)
{
status = new LastTracePointAlertStatus();
}
this.CachedService.Add(key, status, DateTime.Now.AddDays(1));
}
public LastTracePointAlertStatus GetLastTracePointAlertStatus(EGPSCurrentInfo current, ETraceAlertSetting alertSetting)
{
if (!current.VehicleCode.HasValue) return null;
string key = CONST_KEY_LAST_TRACEPOINT_STATUS + current.VehicleCode.Value.ToString() + "_" + alertSetting.TracePoint.RecordID;
var result = this.CachedService.Get(key) as LastTracePointAlertStatus;
if (result == null)
{
// 找不到则从数据库查找最后一条报表记录
DateTime dt1 = DateTime.Now;
var lastReport = GPSServiceFacade.Report.Trace.GetRecentReport(alertSetting.TracePoint.RecordID, alertSetting.VehicleCode);
Logger.Info("从数据库查找最后一条Trace Point报表记录", "开销时间(毫秒)", (DateTime.Now - dt1).TotalMilliseconds, "Vehicle Code", current.VehicleCode.Value, "TracePoint", alertSetting.TracePoint.RecordID);
result = new LastTracePointAlertStatus();
if (lastReport != null)
{
result.LastAlertTime = lastReport.GPSReportTime;
}
lastReport = null;
this.SaveLastTracePointAlertStatus(current, alertSetting, result);
}
return result;
}
