/// <summary>
/// Creates the different entries contained in the raw history and modified raw history
/// of the node historian used.
/// </summary>
/// <param name="historian">The <see cref="OpcNodeHistorian"/> its history
/// entries being created.</param>
private static void CreateHistoryEntries(OpcNodeHistorian historian)
{
for (int second = 0; second < 3600; second++)
{
var value = new OpcHistoryValue(
1000 + second, DateTime.UtcNow.Date.AddHours(6).AddSeconds(second));
if ((second % 30) == 0)
{
historian.ModifiedHistory.Add(value.CreateModified(
OpcHistoryModificationType.Delete, "Anonymous", value.Timestamp));
}
else
{
historian.History.Add(value);
}
}
}
private static void CreateHistoryEntries <T>(
SampleHistorian historian,
Func <int, T> nextValue)
{
for (int second = 0; second < 60; second++)
{
var timestamp = DateTime.UtcNow.Date.AddHours(6).AddSeconds(second);
var modifier = Math.Max(10, second) / 10;
var value = new OpcHistoryValue(nextValue(modifier), timestamp);
if ((second % 30) == 0)
{
historian.ModifiedHistory.Add(value.CreateModified(
OpcHistoryModificationType.Delete, "Anonymous", value.Timestamp));
}
else
{
historian.History.Add(value);
}
}
}
