// /**
//  * File: TaskQueue.cs
//  * Author: haraldwolff
//  *
//  * This file and it's content is copyrighted by the Author and / or copyright holder.
//  * Any use wihtout proper permission is illegal and may lead to legal actions.
//  *
//  *
//  **/
using System;
using ln.collections;
using System.Linq;
namespace ln.threading
{
    public class TaskQueue
    {
        BTreeValueList<int, Action> queue = new BTreeValueList<int, Action>();

        public TaskQueue()
        {
        }

        public bool Empty => queue.Keys.Count() == 0;

        public void Enqueue(Action action) => Enqueue(0, action);
        public void Enqueue(int priority,Action action)
        {
            lock (queue)
            {
                queue.TryRemove(priority, action);
                queue.Add(priority, action);
            }
        }

        public Action Dequeue()
        {
            lock (queue)
            {
                return queue.Shift();
            }
        }

    }
}