/// <summary>
/// Check sanity of capacities:
/// - capacity <= maxCapacity
/// - absCapacity <= absMaximumCapacity
/// </summary>
private static void CapacitiesSanityCheck(string queueName, QueueCapacities queueCapacities
)
{
foreach (string label in queueCapacities.GetExistingNodeLabels())
{
float capacity = queueCapacities.GetCapacity(label);
float maximumCapacity = queueCapacities.GetMaximumCapacity(label);
if (capacity > maximumCapacity)
{
throw new ArgumentException("Illegal queue capacity setting, " + "(capacity=" + capacity
+ ") > (maximum-capacity=" + maximumCapacity + "). When label=[" + label + "]");
}
// Actually, this may not needed since we have verified capacity <=
// maximumCapacity. And the way we compute absolute capacity (abs(x) =
// cap(x) * cap(x.parent) * ...) is a monotone increasing function. But
// just keep it here to make sure our compute abs capacity method works
// correctly.
float absCapacity = queueCapacities.GetAbsoluteCapacity(label);
float absMaxCapacity = queueCapacities.GetAbsoluteMaximumCapacity(label);
if (absCapacity > absMaxCapacity)
{
throw new ArgumentException("Illegal queue capacity setting, " + "(abs-capacity="
+ absCapacity + ") > (abs-maximum-capacity=" + absMaxCapacity + "). When label=["
+ label + "]");
}
}
}
// Set absolute capacities for {capacity, maximum-capacity}
private static void UpdateAbsoluteCapacitiesByNodeLabels(QueueCapacities queueCapacities
, QueueCapacities parentQueueCapacities)
{
foreach (string label in queueCapacities.GetExistingNodeLabels())
{
float capacity = queueCapacities.GetCapacity(label);
if (capacity > 0f)
{
queueCapacities.SetAbsoluteCapacity(label, capacity * (parentQueueCapacities == null
? 1 : parentQueueCapacities.GetAbsoluteCapacity(label)));
}
float maxCapacity = queueCapacities.GetMaximumCapacity(label);
if (maxCapacity > 0f)
{
queueCapacities.SetAbsoluteMaximumCapacity(label, maxCapacity * (parentQueueCapacities
== null ? 1 : parentQueueCapacities.GetAbsoluteMaximumCapacity(label)));
}
}
}
public virtual float GetAbsoluteMaximumCapacity()
{
return(queueCapacities.GetAbsoluteMaximumCapacity());
}
