internal void ReCalcuateOverLimit(DateTime StartDate, DateTime EndDate)
{
IKPI_OverLimitConfigDal dataAccess = new KPI_OverLimitConfigDal();
try {
//返回超限配置列表
List <OverLimitConfigEntity> faultConfigurations = dataAccess.GetOverLimitConfigs();
if (faultConfigurations == null)
{
m_Logger.Info("数据库不存在超限配置");
return;
}
//endDate = DateTime.Now;
//endDate = endDate.AddSeconds(-1 * endDate.Second);
//startDate = endDate.AddMinutes(-1 * AlarmInterval);
//startDate = new DateTime(2013, 11, 28, 4, 30, 0);
//endDate = new DateTime(2013, 11, 28, 4, 40, 0);
List <TagValue> tagAttributeList;
//faultConfigurations = faultConfigurations.Where(p => p.TagCode == @"\mjdc\DCS1\TE_31251F_PV").ToList<KPI_OverLimitConfig>();
foreach (OverLimitConfigEntity faultConfiguration in faultConfigurations)
{
//StopLastShiftAlarm(faultConfiguration);//停止上一班未结束的报警
if (UnitIsRunning(faultConfiguration.UnitID) == false)
{
continue;
}
tagAttributeList = RTDataAccess.GetHistoryDataList(faultConfiguration.TagCode, StartDate, EndDate);
if (tagAttributeList == null)
{
m_Logger.InfoFormat("读取测点{0}{1}信息失败!", faultConfiguration.TagCode, faultConfiguration.TagDesc);
continue;
}
tagAttributeList = tagAttributeList.OrderBy(p => p.TimeStamp).ToList <TagValue>();
//StopPreviousAlarm(faultConfiguration, tagAttributeList);//停止前一轮起报的报警
CalcAlarm(faultConfiguration, tagAttributeList);//计算报警
}
}
catch (Exception ex) {
m_Logger.InfoFormat("PorcessExceedLimit安全指标超限报警计算错误，错误信息是:{0},调用栈信息是:{1}",
ex.Message, ex.StackTrace);
m_Logger.Error(ex);
}
}
private Double ExpCurrentValue(String expression)
{
try {
if (String.IsNullOrEmpty(expression))
{
return(Double.MinValue);
}
int pos = expression.LastIndexOf("'") - 1;
if (pos <= 0)
{
return(double.MinValue);
}
String tagName = expression.Substring(1, pos);
double tagValue = RTDataAccess.GetSnapshotValue(tagName);
String Token = expression.Substring(pos + 2, 1);
pos = expression.IndexOf(Token) + 1;
String Val = expression.Substring(pos, expression.Length - pos);
double targetValue = Convert.ToDouble(Val);
return(tagValue - targetValue);
}
catch {
return(double.MinValue);
}
}
private double GetTagValue(string tag, DateTime time)
{
return(RTDataAccess.GetArchiveValue(tag, time));
}
