public void AddValue(T val, MqttMsgPublishEventArgs mqttMsgPublishEventArgs)
{
lock (this)
{
if (_onlyChanges && Equals(CurrentItem?.Value, val))
{
return;
}
var now = DateTime.UtcNow;
if (_minInterval != null)
{
var diff = now - (CurrentItem?.TimeUtc ?? DateTime.MinValue);
if (diff < _minInterval)
{
return;
}
}
CurrentItem = new SingleDataRow <T>(now, val);
if (!mqttMsgPublishEventArgs.Retain)
{
QueuedItems.Add(CurrentItem);
Flush();
}
}
}
public override ISingleDataRow <T> ReadRow <T>(BinaryReader reader)
{
var row = new SingleDataRow <T>(ReadDate(reader),
(T)Convert.ChangeType(DateTime.FromBinary(reader.ReadInt64()), typeof(T)));
return(row);
}
private IEnumerable <IDataRow> CreateFloatRows(int numberOfRows)
{
DateTime time = new DateTime(2000, 1, 1, 0, 0, 33, DateTimeKind.Utc);
for (int i = 0; i < numberOfRows; i++)
{
var row = new SingleDataRow <float>(time, (float)(i * 0.5));
time += TimeSpan.FromMinutes(1);
yield return(row);
}
}
private void ResetSearchCriteriaValuesToDefault()
{
DataRow SingleDataRow;
if (FFindCriteriaDataTable.Rows.Count != 0)
{
SingleDataRow = FFindCriteriaDataTable.Rows[0];
SingleDataRow.BeginEdit();
SetSearchCriteriaDefaultValues(ref SingleDataRow);
SingleDataRow.EndEdit();
}
else
{
SingleDataRow = FFindCriteriaDataTable.NewRow();
SetSearchCriteriaDefaultValues(ref SingleDataRow);
FFindCriteriaDataTable.Rows.Add(SingleDataRow);
}
FFindCriteriaDataTable.Rows[0].BeginEdit();
FDefaultValues.ItemArray = FFindCriteriaDataTable.Rows[0].ItemArray;
}
public override ISingleDataRow <T> ReadRow <T>(BinaryReader reader)
{
var row = new SingleDataRow <T>(ReadDate(reader), (T)Convert.ChangeType(reader.ReadByte(), typeof(T)));
return(row);
}
