private DateTime?CalculateNewAbnormTime(DateTime?oldAbnormalTime, DiagnoseResult newDiagnoseData)
{
var newAbnormalTime = oldAbnormalTime.HasValue ? oldAbnormalTime : !string.IsNullOrEmpty(newDiagnoseData.Code) ? (DateTime?)newDiagnoseData.LocalTime : null;
if (newAbnormalTime.HasValue && newDiagnoseData.LocalTime < newAbnormalTime) ////rescan
{
newAbnormalTime = newDiagnoseData.LocalTime;
}
return(newAbnormalTime);
}
protected bool?ScanDiagnoseResult(IEnumerable <DiagnoseResult> diagnoseDataList)
{
var diagnoseDataSpiritId = diagnoseDataList.First().DiagnosticId;
var diagnoseEntity = this.diagnoseRepository.GetByDataSpiritId(diagnoseDataSpiritId); ////DiagnosticId is equal to DiagnosticDataSpiritId
if (diagnoseEntity == null)
{
logger.Debug($"No diagnose can be found with this diagnose dataspirit id {diagnoseDataSpiritId}");
return(true);
}
var highLimit = diagnoseEntity.HighLimit;
var lowLimit = diagnoseEntity.LowLimit;
double? abnormalValue = diagnoseEntity.HealthValue;
DateTime?abnormalTime = diagnoseEntity.LastAbnormalTime;
// Get the last alarm of the diagnose
var lastAlarm = this.alarmRepository.GetLastDiagnoseAlarm(diagnoseEntity.Id);
DiagnoseResult firstNormalDataPoint = null;
DiagnoseResult firstAbormalDataPoint = null;
long? currentAlarmId = diagnoseEntity.AlarmId;
string currentAlarmCode = diagnoseEntity.AlarmCode;
// backtracking scan
// if (diagnoseEntity.LastScanTime == null)
if (diagnoseEntity.LastScanTime != null)
{
logger.Debug("Backtracking scan started");
firstAbormalDataPoint = diagnoseDataList.FirstOrDefault(d => !string.IsNullOrEmpty(d.Code));
if (firstAbormalDataPoint != null)
{
abnormalTime = CalculateNewAbnormTime(abnormalTime, firstAbormalDataPoint);
}
}
else
{
// Alarm setting is OFF
if (diagnoseEntity.SeriousAlarmLevel == 0 && diagnoseEntity.LightAlarmLevel == 0)
{
logger.Debug("Alarm setting is OFF");
if (lastAlarm != null)
{
var newAlarms = CalculateDiagnoseData(diagnoseDataList, diagnoseEntity, lastAlarm, ref firstNormalDataPoint, ref abnormalTime);
if (firstNormalDataPoint != null)
{
this.alarmRepository.ResetAlarm(diagnoseEntity.Id, firstNormalDataPoint.Value.ToString(), firstNormalDataPoint.LocalTime, "智能诊断自动恢复");
}
}
}
// Alarm Setting is ON
else
{
var newAlarms = CalculateDiagnoseData(diagnoseDataList, diagnoseEntity, lastAlarm, ref firstNormalDataPoint, ref abnormalTime);
if (lastAlarm != null && firstNormalDataPoint != null)
{
abnormalTime = CalculateNewAbnormTime(abnormalTime, firstNormalDataPoint);
this.alarmRepository.ResetAlarm(diagnoseEntity.Id, firstNormalDataPoint.Value.ToString(), firstNormalDataPoint.LocalTime, "智能诊断自动恢复");
}
// Create new alarms if any
if (newAlarms.Any())
{
newAlarms.ForEach(e => this.alarmRepository.Add(e));
lastAlarm = this.alarmRepository.GetLastDiagnoseAlarm(diagnoseEntity.Id);
currentAlarmId = lastAlarm.Id;
currentAlarmCode = lastAlarm.Code;
}
}
}
var lastDiagnoseResult = diagnoseDataList.LastOrDefault();
this.diagnoseRepository.SetLastAbnormalTime(diagnoseEntity.Id, abnormalTime, currentAlarmId, currentAlarmCode, lastDiagnoseResult.Code, (float?)lastDiagnoseResult.Value, DateTime.Now);
logger.Debug("the function of set pop diagnose scan result function have executed");
return(true);
}
private List <Alarm> CalculateDiagnoseData(IEnumerable <DiagnoseResult> diagnoseDataList, DiagnoseEntity diagnoseEntity, Alarm lastAlarm, ref DiagnoseResult firstNormalDataPoint, ref DateTime?abnormalTime)
{
// Get the attributes of the diagnose model
DiagnoseModelBase diagnoseModel = DiagnoseModelFactory.GetDiagnoseModelByType(diagnoseEntity.DiagnoseModel);
var currentAlarmCode = string.Empty;
var currentAlarmLevel = DiagnoseAlarmLevel.None;
long? currentAlarmId = diagnoseEntity.AlarmId;
float?thresholdValue = null;
bool isNormalWithDeadArea = false;
string currentHealthCode = string.Empty;
var lastAlarmCode = lastAlarm == null ? "" : lastAlarm.Code;
var lastAlarmLevel = lastAlarm == null ? (int)DiagnoseAlarmLevel.None : lastAlarm.Level;
var lastAbnormalValue = lastAlarm == null ? 0 : string.IsNullOrEmpty(lastAlarm.ActualValue) ? 0 : double.Parse(lastAlarm.ActualValue);
var maintenanceState = this.alarmRepository.GetDeviceMaintenanceState(diagnoseEntity.DeviceId);
var uom = diagnoseModel.GetUomsFromModel(diagnoseEntity.DiagnoseModel).FirstOrDefault();
List <Alarm> newAlarms = new List <Alarm>();
foreach (var diagnoseData in diagnoseDataList)
{
currentAlarmCode = diagnoseData.Code ?? string.Empty;
currentHealthCode = diagnoseData.Code ?? string.Empty;
currentAlarmLevel = diagnoseData.GetAlarmLevelByCode(diagnoseModel, diagnoseEntity).Value;
isNormalWithDeadArea = diagnoseModel.JudgeValueWithDeadArea(diagnoseEntity.LowLimit, diagnoseEntity.HighLimit, diagnoseEntity.DeadArea, diagnoseData.Value, lastAbnormalValue, lastAlarmCode, currentAlarmCode);
////报警级别降低时,需要加入死区的判断,判断是否真的降低
if ((int)currentAlarmLevel < lastAlarmLevel)
{
if (isNormalWithDeadArea)
{
if (firstNormalDataPoint == null)
{
firstNormalDataPoint = new DiagnoseResult()
{
Code = diagnoseData.Code,
Value = diagnoseData.Value,
LocalTime = diagnoseData.LocalTime,
Time = diagnoseData.Time,
DiagnosticId = diagnoseData.DiagnosticId,
State = diagnoseData.State
};
}
newAlarms.Clear();
//this.alarmRepository.ResetAlarm(diagnoseEntity.Id, diagnoseData.Value.ToString(), diagnoseData.LocalTime, "智能诊断自动恢复"); ////重置上一次的报警
}
}
////报警级别真的发生变化,而且不为空(正常时),需要记录报警
////1. LowLevel->HighLevel, create anew HighLevel alarm 2. After Reset HighLevel, create a new Lowlevel alarm
if (isNormalWithDeadArea)
{
if (!string.IsNullOrEmpty(currentAlarmCode))
{
thresholdValue = diagnoseModel.GetThresholdValue(diagnoseEntity.HighLimit, diagnoseEntity.LowLimit, currentAlarmCode, diagnoseData.Value);
newAlarms.Add(new Alarm()
{
HierarchyId = diagnoseEntity.DeviceId,
DeviceParameterUniqueId = diagnoseEntity.Id,
Code = currentAlarmCode,
ActualValue = diagnoseData.Value.ToString(),
ThresholdValue = thresholdValue.HasValue ? thresholdValue.Value.ToString() : null,
AlarmTime = diagnoseData.LocalTime,
Level = (int)currentAlarmLevel,
Description = diagnoseEntity.Name + "异常",
Uom = uom,
AlarmType = AlarmType.PopDiagnose,
MaintenanceState = maintenanceState,
});
}
}
else
{
currentAlarmCode = lastAlarmCode;
}
abnormalTime = CalculateNewAbnormTime(abnormalTime, diagnoseData);
lastAlarmCode = currentAlarmCode;
}
return(newAlarms);
}
