如何实现定时推送的具体方案

public interface IRingQueue<T>
{
    /// <summary>
    /// Add tasks [add tasks will automatically generate: task Id, task slot location, number of task cycles]
    /// </summary>
    /// <param name="delayTime">The specified task is executed after N seconds.</param>
    /// <param name="action">Definitions of callback</param>
    void Add(long delayTime,Action<T> action);
    /// <summary>
    /// Add tasks [add tasks will automatically generate: task Id, task slot location, number of task cycles]
    /// </summary>
    /// <param name="delayTime">The specified task is executed after N seconds.</param>
    /// <param name="action">Definitions of callback.</param>
    /// <param name="data">Parameters used in the callback function.</param>
    void Add(long delayTime, Action<T> action, T data);
    /// <summary>
    /// Add tasks [add tasks will automatically generate: task Id, task slot location, number of task cycles]
    /// </summary>
    /// <param name="delayTime"></param>
    /// <param name="action">Definitions of callback</param>
    /// <param name="data">Parameters used in the callback function.</param>
    /// <param name="id">Task ID, used when deleting tasks.</param>
    void Add(long delayTime, Action<T> action, T data, long id);
    /// <summary>
    /// Remove tasks [need to know: where the task is, which specific task].
    /// </summary>
    /// <param name="index">Task slot location</param>
    /// <param name="id">Task ID, used when deleting tasks.</param>
    void Remove(long id);
    /// <summary>
    /// Launch queue.
    /// </summary>
    void Start();
}
 public interface ITask
 {
 }

using System;
using System.Collections.Concurrent;
using System.Linq;
using System.Threading;
using System.Threading.Tasks;
using DelayMessageApp.Interfaces;
namespace DelayMessageApp.Achieves.Base
{
public abstract class BaseQueue<T> : IRingQueue<T>
{
    private long _pointer = 0L;
    private ConcurrentBag<BaseTask<T>>[] _arraySlot;
    private int ArrayMax;
    /// <summary>
    /// Ring queue.
    /// </summary>
    public ConcurrentBag<BaseTask<T>>[] ArraySlot
    {
        get { return _arraySlot ?? (_arraySlot = new ConcurrentBag<BaseTask<T>>[ArrayMax]); }
    }
    public BaseQueue(int arrayMax)
    {
        if (arrayMax < 60 && arrayMax % 60 == 0)
            throw new Exception("Ring queue length cannot be less than 60 and is a multiple of 60 .");
        ArrayMax = arrayMax;
    }
    public void Add(long delayTime, Action<T> action)
    {
        Add(delayTime, action, default(T));
    }
    public void Add(long delayTime,Action<T> action,T data)
    {
        Add(delayTime, action, data,0);
    }
    public void Add(long delayTime, Action<T> action, T data,long id)
    {
        NextSlot(delayTime, out long cycle, out long pointer);
        ArraySlot[pointer] =  ArraySlot[pointer] ?? (ArraySlot[pointer] = new ConcurrentBag<BaseTask<T>>());
        var baseTask = new BaseTask<T>(cycle, action, data,id);
        ArraySlot[pointer].Add(baseTask);
    }
    /// <summary>
    /// Remove tasks based on ID.
    /// </summary>
    /// <param name="id"></param>
    public void Remove(long id)
    {
        try
        {
            Parallel.ForEach(ArraySlot, (ConcurrentBag<BaseTask<T>> collection, ParallelLoopState state) =>
            {
                var resulTask = collection.FirstOrDefault(p => p.Id == id);
                if (resulTask != null)
                {
                    collection.TryTake(out resulTask);
                    state.Break();
                }
            });
        }
        catch (Exception e)
        {
            Console.WriteLine(e);
        }
    }
    public void Start()
    {
        while (true)
        {
            RightMovePointer();
            Thread.Sleep(1000);
            Console.WriteLine(DateTime.Now.ToString());
        }
    }
    /// <summary>
    /// Calculate the information of the next slot.
    /// </summary>
    /// <param name="delayTime">Delayed execution time.</param>
    /// <param name="cycle">Number of turns.</param>
    /// <param name="index">Task location.</param>
    private void NextSlot(long delayTime, out long cycle,out long index)
    {
        try
        {
            var circle = delayTime / ArrayMax;
            var second = delayTime % ArrayMax;
            var current_pointer = GetPointer();
            var queue_index = 0L;
            if (delayTime - ArrayMax > ArrayMax)
            {
                circle = 1;
            }
            else if (second > ArrayMax)
            {
                circle += 1;
            }
            if (delayTime - circle * ArrayMax < ArrayMax)
            {
                second = delayTime - circle * ArrayMax;
            }
            if (current_pointer + delayTime >= ArrayMax)
            {
                cycle = (int)((current_pointer + delayTime) / ArrayMax);
                if (current_pointer + second - ArrayMax < 0)
                {
                    queue_index = current_pointer + second;
                }
                else if (current_pointer + second - ArrayMax > 0)
                {
                    queue_index = current_pointer + second - ArrayMax;
                }
            }
            else
            {
                cycle = 0;
                queue_index = current_pointer + second;
            }
            index = queue_index;
        }
        catch (Exception e)
        {
            Console.WriteLine(e);
            throw;
        }
    }
    /// <summary>
    /// Get the current location of the pointer.
    /// </summary>
    /// <returns></returns>
    private long GetPointer()
    {
        return Interlocked.Read(ref _pointer);
    }
    /// <summary>
    /// Reset pointer position.
    /// </summary>
    private void ReSetPointer()
    {
        Interlocked.Exchange(ref _pointer, 0);
    }
    /// <summary>
    /// Pointer moves clockwise.
    /// </summary>
    private void RightMovePointer()
    {
        try
        {
            if (GetPointer() >= ArrayMax - 1)
            {
                ReSetPointer();
            }
            else
            {
                Interlocked.Increment(ref _pointer);
            }
            var pointer = GetPointer();
            var taskCollection = ArraySlot[pointer];
            if (taskCollection == null || taskCollection.Count == 0) return;
            Parallel.ForEach(taskCollection, (BaseTask<T> task) =>
            {
                if (task.Cycle > 0)
                {
                    task.SubCycleNumber();
                }
                if (task.Cycle <= 0)
                {
                    taskCollection.TryTake(out task);
                    task.TaskAction(task.Data);
                }
            });
        }
        catch (Exception e)
        {
            Console.WriteLine(e);
            throw;
        }
    }
}
}
using System;
using System.Threading;
using DelayMessageApp.Interfaces;
namespace DelayMessageApp.Achieves.Base
{
public class BaseTask<T> : ITask
{
    private long _cycle;
    private long _id;
    private T _data;
    public Action<T> TaskAction { get; set; }
    public long Cycle
    {
        get { return Interlocked.Read(ref _cycle); }
        set { Interlocked.Exchange(ref _cycle, value); }
    }
    public long Id
    {
        get { return _id; }
        set { _id = value; }
    }
    public T Data
    {
        get { return _data; }
        set { _data = value; }
    }
    public BaseTask(long cycle, Action<T> action, T data,long id)
    {
        Cycle = cycle;
        TaskAction = action;
        Data = data;
        Id = id;
    }
    public BaseTask(long cycle, Action<T> action,T data)
    {
        Cycle = cycle;
        TaskAction = action;
        Data = data;
    }
    public BaseTask(long cycle, Action<T> action)
    {
        Cycle = cycle;
        TaskAction = action;
    }
    public void SubCycleNumber()
    {
        Interlocked.Decrement(ref _cycle);
    }
}
}

public static void Start()
{
    //1.Initialize queues of different granularity.
    IRingQueue<NewsModel> minuteRingQueue = new MinuteQueue<NewsModel>();
    //2.Open thread.
    var lstTasks = new List<Task>
    {
        Task.Factory.StartNew(minuteRingQueue.Start)
    };
    //3.Add tasks performed in different periods.
    minuteRingQueue.Add(5, new Action<NewsModel>((NewsModel newsObj) =>
    {
        Console.WriteLine(newsObj.News);
    }), new NewsModel() { News = "Trump's visit to China！" });
    minuteRingQueue.Add(10, new Action<NewsModel>((NewsModel newsObj) =>
    {
        Console.WriteLine(newsObj.News);
    }), new NewsModel() { News = "Putin Pu's visit to China！" });
    minuteRingQueue.Add(60, new Action<NewsModel>((NewsModel newsObj) =>
    {
        Console.WriteLine(newsObj.News);
    }), new NewsModel() { News = "Eisenhower's visit to China！" });
    minuteRingQueue.Add(120, new Action<NewsModel>((NewsModel newsObj) =>
    {
        Console.WriteLine(newsObj.News);
    }), new NewsModel() { News = "Xi Jinping's visit to the US！" });
    //3.Waiting for all tasks to complete is usually not completed. Because there is an infinite loop.
    //F5 Run the program and see the effect.
    Task.WaitAll(lstTasks.ToArray());
    Console.Read();
}