Task queue : Queue « Collections Data Structure « C# / C Sharp

1. C# / C Sharp
2. Collections Data Structure
3. Queue

Task queue

        

using System.Collections.Generic;
using System.Threading;

namespace PS.WSSDeploy.VSAddin.Utils
{
    public interface Task
    {
        void TaskExecute();
    }

    public class TaskQueue
    {
        private readonly Queue<Task> queue = new Queue<Task>();
        public void Enqueue(Task task)
        {
            lock (queue)
            {
                queue.Enqueue(task);
                if (queue.Count == 1) RunTaskInThreadPool();
            }
        }
        public void Clear()
        {
            lock (queue)
            {
                queue.Clear();
            }
        }
        private void RunTaskInThreadPool()
        {
            ThreadPool.QueueUserWorkItem(Execute);
        }
        private void Execute(object state)
        {
            Task task = null;
            lock (queue)
            {
                if (queue.Count > 0)
                    task = queue.Peek();
            }

            if (task != null)
            {
                task.TaskExecute();
            }
            lock (queue)
            {
                if (queue.Count > 0)
                {
                    queue.Dequeue();
                }
                if (queue.Count > 0)
                {
                    RunTaskInThreadPool();
                }
            }
        }
    }
}

   
    
    
    
    
    
    
    
  

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