Drew 是对的,我认为 ConcurrentQueue 尽管听起来很适合这项工作,但实际上是 BlockingCollection 使用的底层数据结构。对我来说似乎也很前后。查看本书的第 7 章*
http://www.amazon.co.uk/Parallel-Programming-Microsoft-NET-Decomposition/dp/0735651590/ref=sr_1_1?ie=UTF8&qid=1294319704&sr=8-1
,它将解释如何使用 BlockingCollection 并让多个生产者和多个消费者各自离开“队列”。您将需要查看“GetConsumingEnumerable()”方法,并可能只调用 .ToObservable() 方法。
*本书的其余部分相当平均。
编辑:
这是一个示例程序,我认为它可以满足您的需求?
class Program
{
private static ManualResetEvent _mre = new ManualResetEvent(false);
static void Main(string[] args)
{
var theQueue = new BlockingCollection<string>();
theQueue.GetConsumingEnumerable()
.ToObservable(Scheduler.TaskPool)
.Subscribe(x => ProcessNewValue(x, "Consumer 1", 10000000));
theQueue.GetConsumingEnumerable()
.ToObservable(Scheduler.TaskPool)
.Subscribe(x => ProcessNewValue(x, "Consumer 2", 50000000));
theQueue.GetConsumingEnumerable()
.ToObservable(Scheduler.TaskPool)
.Subscribe(x => ProcessNewValue(x, "Consumer 3", 30000000));
LoadQueue(theQueue, "Producer A");
LoadQueue(theQueue, "Producer B");
LoadQueue(theQueue, "Producer C");
_mre.Set();
Console.WriteLine("Processing now....");
Console.ReadLine();
}
private static void ProcessNewValue(string value, string consumerName, int delay)
{
Thread.SpinWait(delay);
Console.WriteLine("{1} consuming {0}", value, consumerName);
}
private static void LoadQueue(BlockingCollection<string> target, string prefix)
{
var thread = new Thread(() =>
{
_mre.WaitOne();
for (int i = 0; i < 100; i++)
{
target.Add(string.Format("{0} {1}", prefix, i));
}
});
thread.Start();
}
}