internal static void UpdateAnalogAlarm(ref AnalogAlarmModel analogAlarmModel,
List <AnalogAlarmModel> analogAlarmModels,
RealDataModel realDataModel, AnalogPointModel analogPointModel,
Func <PointState, bool> isAlarmState)
{
if (analogAlarmModel == null)
{
NewAlarmAndSaveDatabase(out analogAlarmModel, analogAlarmModels, realDataModel, analogPointModel, isAlarmState);
}
else
{
analogAlarmModel.EndTime = realDataModel.RealDate;
if (analogAlarmModel.IsRequireNew(realDataModel))
{
// 有新的记录, 把老记录状态置1
analogAlarmModel.State = 1;
}
if (isAlarmState((PointState)analogAlarmModel.AlarmState) &&
(analogAlarmModel.IsTimeToSave(realDataModel) || analogAlarmModel.IsRequireNew(realDataModel)))
{
// 报警情况下, 当状态改变或者时间大于10秒时候, 写入数据库.
var newM = analogAlarmModel.DeepClone();
AnalogAlarmModel existM;
if ((existM = analogAlarmModels.FirstOrDefault(o => o.PointID == newM.PointID && o.StartTime == newM.StartTime && o.AlarmState == newM.AlarmState)) != null)
{
existM.State = newM.State;
existM.EndTime = newM.EndTime;
existM.SpanTime = (int)newM.EndTime.Subtract(newM.StartTime).TotalSeconds;
}
else
{
analogAlarmModels.Add(newM);
}
}
var realValue = realDataModel.RealValue.Value <float>();
if (realValue < analogAlarmModel.MinValue)
{
analogAlarmModel.MinValue = realValue;
analogAlarmModel.MinValueTime = realDataModel.RealDate;
}
else if (realValue > analogAlarmModel.MaxValue)
{
analogAlarmModel.MaxValue = realValue;
analogAlarmModel.MaxValueTime = realDataModel.RealDate;
}
analogAlarmModel.SumValue += realValue;
analogAlarmModel.SumCount++;
if (analogAlarmModel.IsRequireNew(realDataModel))
{
// 有新记录.
NewAlarmAndSaveDatabase(out analogAlarmModel, analogAlarmModels, realDataModel, analogPointModel, isAlarmState);
}
}
}
/// <summary>
/// 新增一条AnalogAlarm记录, 并且把它保存到数据库中.
/// </summary>
private static void NewAlarmAndSaveDatabase(out AnalogAlarmModel analogAlarmModel, List <AnalogAlarmModel> analogAlarmModels,
RealDataModel realDataModel, AnalogPointModel analogPointModel, Func <PointState, bool> isAlarmState)
{
// 需要新增加一条数据.
analogAlarmModel = NewAnalogAlarmModel(realDataModel, analogPointModel);
if (isAlarmState((PointState)analogAlarmModel.AlarmState))
{
analogAlarmModels.Add(analogAlarmModel.DeepClone()); // 直接写入数据库
}
}
