Basic throttler

Throttler.cs

 
//Usefull for consumer/producer processing where you keep track of how many work you have served up in the producer
//and call Wait with that amount
//then consumer will call Hit to signal some work has been completed.
//producer will block on Wait until consumer has catched up
 public class Throttler {
        private AutoResetEvent resetEvent = new AutoResetEvent(false);
        private int counter;

        private int throttleAmount;

        public Throttler(int throttleAmount) {
            this.throttleAmount = throttleAmount;
            counter = 0;
        }

        public void Hit() {
            counter++;
            if (counter == throttleAmount)
                resetEvent.Set();
        }

        public bool Wait(int workDone) {
            if (workDone == throttleAmount)
            {
                resetEvent.WaitOne();
                counter = 0;
                return true;
            }

            return false;
        }
    }