/// <summary>
/// Checks if the specified <paramref name="variable"/> is moderated, calculates the next eventing
/// time for the variable and adapts internal moderation data.
/// </summary>
/// <remarks>
/// The specified <paramref name="variable"/> will be added to the pending event notifications.
/// </remarks>
/// <param name="variable">Variable which was changed.</param>
public void ModerateChangeEvent(DvStateVariable variable)
{
ModerationData md;
bool wasCreated = false;
if (!_moderationData.TryGetValue(variable, out md))
{
wasCreated = true;
_moderationData[variable] = md = new ModerationData();
}
DateTime now = DateTime.Now;
DateTime scheduleTime;
if (variable.ModeratedMaximumRate.HasValue)
{
if (wasCreated || md.LastEventTime + variable.ModeratedMaximumRate < now)
{
scheduleTime = now;
}
else
{
scheduleTime = now + variable.ModeratedMaximumRate.Value;
}
}
else if (variable.ModeratedMinimumDelta != 0)
{
if (!(variable.DataType is DvStandardDataType))
{
scheduleTime = now;
}
else
{
if (!wasCreated &&
Math.Abs(((DvStandardDataType)variable.DataType).GetNumericDelta(md.LastValue, variable.Value)) < variable.ModeratedMinimumDelta)
{
return;
}
scheduleTime = now;
}
}
else
{
scheduleTime = now;
}
HashSet <DvStateVariable> scheduledVariables;
if (_scheduledEventNotifications.TryGetValue(scheduleTime, out scheduledVariables) && scheduledVariables != null)
{
scheduledVariables.Add(variable);
}
else
{
_scheduledEventNotifications[scheduleTime] = new HashSet <DvStateVariable> {
variable
}
};
}
/// <summary>
/// Updates internal data structures that are necessary for event moderation.
/// This method needs to be called when an event message for the given <paramref name="variable"/> is sent.
/// </summary>
public void UpdateModerationData(DvStateVariable variable)
{
ModerationData md;
if (!_moderationData.TryGetValue(variable, out md))
{
_moderationData[variable] = md = new ModerationData();
}
DateTime now = DateTime.Now;
md.LastEventTime = now;
md.LastValue = variable.Value;
}
/// <summary>
/// Checks if the specified <paramref name="variable"/> is moderated, calculates the next eventing
/// time for the variable and adapts internal moderation data.
/// </summary>
/// <remarks>
/// The specified <paramref name="variable"/> will be added to the pending event notifications.
/// </remarks>
/// <param name="variable">Variable which was changed.</param>
public void ModerateChangeEvent(DvStateVariable variable)
{
ModerationData md;
bool wasCreated = false;
if (!_moderationData.TryGetValue(variable, out md))
{
wasCreated = true;
_moderationData[variable] = md = new ModerationData();
}
DateTime now = DateTime.Now;
DateTime scheduleTime;
if (variable.ModeratedMaximumRate.HasValue)
{
if (wasCreated || md.LastEventTime + variable.ModeratedMaximumRate < now)
scheduleTime = now;
else
scheduleTime = now + variable.ModeratedMaximumRate.Value;
}
else if (variable.ModeratedMinimumDelta != 0)
{
if (!(variable.DataType is DvStandardDataType))
scheduleTime = now;
else
{
if (!wasCreated &&
Math.Abs(((DvStandardDataType) variable.DataType).GetNumericDelta(md.LastValue, variable.Value)) < variable.ModeratedMinimumDelta)
return;
scheduleTime = now;
}
}
else
scheduleTime = now;
HashSet<DvStateVariable> scheduledVariables;
if (_scheduledEventNotifications.TryGetValue(scheduleTime, out scheduledVariables) && scheduledVariables != null)
scheduledVariables.Add(variable);
else
_scheduledEventNotifications[scheduleTime] = new HashSet<DvStateVariable> {variable};
}
/// <summary>
/// Updates internal data structures that are necessary for event moderation.
/// This method needs to be called when an event message for the given <paramref name="variable"/> is sent.
/// </summary>
public void UpdateModerationData(DvStateVariable variable)
{
ModerationData md;
if (!_moderationData.TryGetValue(variable, out md))
_moderationData[variable] = md = new ModerationData();
DateTime now = DateTime.Now;
md.LastEventTime = now;
md.LastValue = variable.Value;
}