private static WireUpResult WireUp(TopicBasedPubSub topicBasedPubSub)
{
var horn = PrintDetails ? (IHorn) new ConsoleHorn() : new SilentHorn();
var cookNames = new[]
{
"Joe",
"Greg",
"Bro"
};
var printer = new Printer(horn);
var cashier = AsQueueable(nameof(Cashier), new Cashier(topicBasedPubSub, horn));
var assistantManager = AsQueueable(nameof(AssistantManager), new AssistantManager(topicBasedPubSub, horn));
var random = new Random();
var cooks = cookNames
.Select(
cookName =>
AsQueueable($"{nameof(Cook)}-{cookName}",
new DroppingHandler <CookFood>(new Cook(topicBasedPubSub, horn, cookName, random.Next(0, 10000)))))
.ToList();
var megaCook = AsQueueable("CookDispatcher", new MoreFairDispatcher <CookFood>(cooks));
var waiter = new Waiter(topicBasedPubSub, horn);
topicBasedPubSub.SubscribeByType <PrintReceipt>(printer);
topicBasedPubSub.SubscribeByType <TakePayment>(cashier);
topicBasedPubSub.SubscribeByType <PriceOrder>(assistantManager);
topicBasedPubSub.SubscribeByType <CookFood>(megaCook);
var midgetHouse = AsQueueable(nameof(MidgetHouse), new MidgetHouse(topicBasedPubSub));
var items = cooks.Concat(new object[]
{
megaCook,
cashier,
assistantManager,
midgetHouse
}).ToList();
var statsProjection = new StatsProjection();
topicBasedPubSub.SubscribeByType <OrderPlaced>(statsProjection);
topicBasedPubSub.SubscribeByType <OrderFinalized>(statsProjection);
return(new WireUpResult
{
Waiter = waiter,
Startables = items
.Cast <IStartable>()
.ToList(),
Trackables = items
.Cast <ITrackable>()
.ToList(),
MidgetHouse = midgetHouse,
StatsProjection = statsProjection
});
}
private static void StartPrintingQueueStats(IHorn horn, IList <ITrackable> trackables, StatsProjection statsProjection)
{
var thread = new Thread(() =>
{
while (true)
{
horn.Note("[stats]: " + JsonConvert.SerializeObject(new
{
queueLengths = trackables.ToDictionary(x => x.QueueName, x => x.QueueDepth),
statsProjection = statsProjection
}, Formatting.Indented));
Thread.Sleep(500);
}
})
{
IsBackground = true
};
thread.Start();
}
