Producer with single thread consumer

ProducerConsumer.cs

    public class ProducerConsumer<T>
    {
        readonly BlockingCollection<T> dataToProcess = new BlockingCollection<T>();
        private readonly Thread workerThread;

        public ProducerConsumer(Action<T> action)
        {
            workerThread = new Thread(() =>
            {
                foreach (var data in dataToProcess.GetConsumingEnumerable())
                {
                    action(data);
                }
                Console.WriteLine("Finish");    
                
            });
        }

        public void Post(T data)
        {
            if (workerThread.ThreadState == ThreadState.Unstarted)
            {
                workerThread.Start();
            }
            dataToProcess.Add(data);
        }

        ~ProducerConsumer()
        {
            dataToProcess.CompleteAdding();
        }
    }