public static int HandleWork <T>(IConsole console, WorkDescription currentWork, ILogger logger, Func <WorkDescription, string, IEvent[]> callback) where T : IEvent
{
Guard.ArgumentNotNull(currentWork, nameof(currentWork));
Guard.ArgumentNotNull(logger, nameof(logger));
Guard.ArgumentNotNull(currentWork.Channels, "currentWork.Channels");
List <IEvent> FullList = new List <IEvent>();
List <Task <Tuple <IEvent[], TimeSpan> > > TaskList = new List <Task <Tuple <IEvent[], TimeSpan> > >();
List <Task> continuations = new List <Task>();
foreach (string item in currentWork.Items)
{
lock (console)
{
console.WriteLine(string.Format(" {0} Task started...", item), null, null);
}
Task <Tuple <IEvent[], TimeSpan> > task = Task.Factory.StartNew <Tuple <IEvent[], TimeSpan> >(() =>
{
Stopwatch sw = Stopwatch.StartNew();
IEvent[] ev = callback(currentWork, item);
sw.Stop();
return(new Tuple <IEvent[], TimeSpan>(ev, sw.Elapsed));
});
Task ct = task.ContinueWith((prec) =>
{
lock (console)
{
console.WriteLine(string.Format(" {0} Task completed", item), null, null);
console.WriteLine(string.Format(" {0} Events identified in {1}ms", prec.Result.Item1.Length, Convert.ToInt64(prec.Result.Item2.TotalMilliseconds)), null, null);
}
}, TaskContinuationOptions.NotOnFaulted);
TaskList.Add(task);
continuations.Add(ct);
}
Task.WaitAll(TaskList.ToArray());
Task.WaitAll(continuations.ToArray());
NotificationBuilder nbuilder = new NotificationBuilder().UseHtmlRenderer();
//Date Hierarchy (Year/Month/Day) created by Blogger, we must only provide a meaningfull subject
string itemsAsString = string.Join(",", currentWork.Items);
nbuilder.UseSubject(string.Format("{0} {1}", itemsAsString, Pluralize(currentWork.ItemType.ToString())));
foreach (Task <Tuple <IEvent[], TimeSpan> > t in TaskList)
{
nbuilder.AddEvents(t.Result.Item1);
}
if (nbuilder.HasEvents == false)
{
console.WriteLine("Now changes found", null, null);
return(0); //NO NOTIFICATION required!
}
nbuilder.AddChannels(currentWork.Channels);
Notification noti = nbuilder.Build();
noti.From = currentWork.From;
noti.To = currentWork.To;
Postman.DeliverNotification(new Notification[] { noti });
console.WriteLine("", null, null);
console.WriteLine(string.Format("{0} changes delivered", nbuilder.EventCount), null, null);
return(0);
}
