private static void AssignWork(Work work, Guid workerId)
{
var workAssignment = new WorkAssignment { Work = work, WorkerId = workerId, AssignedAt = DateTime.Now };
AssignedWork.TryAdd(work.MessageId, workAssignment);
using (var client = new LocalClient())
{
client.PublishMessage(workerId.ToString(), work.ToString());
}
}
static void Main(string[] args)
{
Func<string> prompt = () =>
{
Console.Write("Enter your message: ");
return Console.ReadLine();
};
string message;
while (!string.IsNullOrEmpty(message = prompt()))
{
using (var client = new LocalClient())
{
var work = new Work { MessageId = Guid.NewGuid(), Message = message };
client.PublishMessage(Channels.Distribution, work.ToString());
}
}
}
private static bool TryPurgeWork(out Work work)
{
var messageId =
(from w in AssignedWork
where WorkTimeoutExpired(w.Value.AssignedAt)
select w.Key).FirstOrDefault();
if (messageId == null)
{
work = null;
return false;
}
WorkAssignment workAssignment;
if (AssignedWork.TryRemove(messageId, out workAssignment))
{
work = workAssignment.Work;
Console.WriteLine("[{0}] Purging and reassigning work: {1}",
DateTime.Now.ToShortTimeString(),
work);
return true;
}
work = null;
return false;
}
