private DispatcherQueue(string name, Dispatcher dispatcher, TaskExecutionPolicy policy, int maximumQueueDepth, double schedulingRate)
{
if (dispatcher == null)
{
throw new ArgumentNullException("dispatcher");
}
if ((policy == TaskExecutionPolicy.ConstrainQueueDepthDiscardTasks || policy == TaskExecutionPolicy.ConstrainQueueDepthThrottleExecution) && maximumQueueDepth <= 0)
{
throw new ArgumentOutOfRangeException("maximumQueueDepth");
}
if ((policy == TaskExecutionPolicy.ConstrainSchedulingRateDiscardTasks || policy == TaskExecutionPolicy.ConstrainSchedulingRateThrottleExecution) && schedulingRate <= 0.0)
{
throw new ArgumentOutOfRangeException("schedulingRate");
}
_dispatcher = dispatcher;
_name = name;
_policy = policy;
_maximumQueueDepth = maximumQueueDepth;
_maximumSchedulingRate = schedulingRate;
dispatcher.AddQueue(name, this);
if (policy != TaskExecutionPolicy.Unconstrained)
{
_watch = Stopwatch.StartNew();
}
}
