public override void CalculateValue(double value, DateTime timestamp)
{
GaugeDuration aggregateDuration = base.aggregateDuration;
if (aggregateDuration.IsEmpty || ((IValueConsumer)this).GetProvider() == null)
{
base.CalculateValue(value, timestamp);
}
else
{
base.noMoreData = false;
HistoryCollection data = ((IValueConsumer)this).GetProvider().GetData(aggregateDuration, timestamp);
HistoryEntry[] array = data.Select(aggregateDuration, timestamp);
double num = value;
bool flag = false;
HistoryEntry[] array2 = array;
foreach (HistoryEntry historyEntry in array2)
{
if (!double.IsNaN(historyEntry.Value))
{
num = Math.Max(historyEntry.Value, num);
flag = true;
}
}
if (!flag)
{
num = ((data.Count <= 0) ? double.NaN : data.Top.Value);
base.noMoreData = true;
}
base.CalculateValue(num, timestamp);
}
}
public override void CalculateValue(double value, DateTime timestamp)
{
GaugeDuration aggregateDuration = base.aggregateDuration;
if (aggregateDuration.IsEmpty)
{
base.CalculateValue(value, timestamp);
}
else
{
base.noMoreData = false;
double num = value;
if (((IValueConsumer)this).GetProvider() != null)
{
HistoryCollection data = ((IValueConsumer)this).GetProvider().GetData(aggregateDuration, timestamp);
HistoryEntry[] array = data.Select(aggregateDuration, timestamp);
if (array.Length > 1)
{
num = 0.0;
long num2 = 0L;
long num3 = 0L;
for (int i = 0; i < array.Length - 1; i++)
{
num2 = array[i + 1].Timestamp.Ticks - array[i].Timestamp.Ticks;
if (num2 == 0)
{
num += (array[i + 1].Value - array[i].Value) / 2.0;
}
else
{
num += array[i + 1].Value * (double)num2;
num3 += num2;
}
}
if (num3 > 0)
{
num /= (double)num3;
}
}
else if (array.Length > 0)
{
num = array[0].Value;
}
else
{
base.noMoreData = true;
}
}
base.CalculateValue(num, timestamp);
}
}