.NET C# 泛型队列

天涯浪子 提交于 2019-12-02 08:53:12

1.QueueHelper

using System.Collections.Concurrent;
using System.Runtime.CompilerServices;

namespace WindowsFormsServer.Helper
{
    public static class QueueHelper<T> where T : class
    {
        private static ConcurrentQueue<StrongBox<T>> _queue;

        public static ConcurrentQueue<StrongBox<T>> Queue
        {
            get { return _queue ?? (_queue = new ConcurrentQueue<StrongBox<T>>()); }
        }

        public static void AddQueue(T t)
        {
            if (_queue == null)
                _queue = new ConcurrentQueue<StrongBox<T>>();
            _queue.Enqueue(new StrongBox<T>(t));
        }

        public static T DealQueue()
        {
            if (_queue == null)
                _queue = new ConcurrentQueue<StrongBox<T>>();
            if (_queue.Count > 0)
            {
                StrongBox<T> t;
                if (_queue.TryDequeue(out t)) return t.Value;   
            }
            return null;
        }

        public static void EmptyQueue()
        {
            if (_queue == null)
                _queue = new ConcurrentQueue<StrongBox<T>>();
            StrongBox<T> t;
            while(_queue.TryDequeue(out t))
                t.Value = default(T);
        }

    }
}
2.使用方式:

//①.入队列

List<T> ts = new List<T>();

xxx //此处批量为ts集合赋值

foreach(var t in ts){

QueueHelper<T>.AddQueue(t);//入队列

}

//②.出队列

while(QueueHelper<T>.Queue.Count>0){

T tempT = QueueHelper<T>.DealQueue();

xxx //业务代码处理tempT

}

 

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