Я стараюсь, чтобы стратегия супервизора работала. Вот иллюстрация сценария.Не удается получить стратегию супервизора для работы в Akka.NET
A diagram of a demo app the implements a SupversiorStrategy
У меня есть актер, FloorTrader что на OnReceive (объект сообщения), создает FederalRegulator Актер:
var regulator = Context.ActorOf(Props.Create(() => new FederalRegulator("EAST_USA",trade)), "EastFedRegulator");
Затем, после строительства, FederalRegulator создает StateRegulators
public class FederalRegulator : RegulatorBase
{
public FederalRegulator(string name, Trade trade) : base(name, trade)
{
StateRegulate(trade);
}
protected override void OnReceive(object message)
{
var msg = message as string;
if(!string.IsNullOrEmpty(msg) && msg.ToUpper().Equals("STOP"))throw new TradeException("No Trading Today");
}
private static void StateRegulate(Trade trade)
{
Context.ActorOf(Props.Create(() => new StateRegulator("NY", trade)), "NYRegulator");
Context.ActorOf(Props.Create(() => new StateRegulator("MA", trade)), "MARegulator");
Context.ActorOf(Props.Create(() => new StateRegulator("CT", trade)), "CTRegulator");
}
}
Все регуляторы испускают поведение Console.Write() при построении следующим образом:
public abstract class RegulatorBase : UntypedActor
{
protected RegulatorBase(string name, Trade trade)
{
Name = name;
Trade = trade;
Regulate(Name, Trade);
}
public string Name { get; private set; }
public Trade Trade { get; private set; }
protected void Regulate(string name, Trade trade)
{ // Create a timer
var myTimer = new System.Timers.Timer();
// Tell the timer what to do when it elapses
myTimer.Elapsed += delegate { Console.WriteLine("{0} is regulating the trade for, {1} ", Name,Trade.Ticker); };
// Set it to go off every 1/2 second,
myTimer.Interval = 500;
// And start it
myTimer.Enabled = true;
}
protected override void OnReceive(object message)
{
//put stuff in later
}
}
Реализация SupervisionStrategy() в FloorTrader актера:
protected override SupervisorStrategy SupervisorStrategy()
{
return new OneForOneStrategy(
0, // maxNumberOfRetries
TimeSpan.FromSeconds(1), // duration
x =>
{
if (x is TradeException)
{
Console.WriteLine("---BLOW UP-----");
return Directive.Stop;
}
return Directive.Restart;
});
}
Когда FederalRegulator получает сообщение СТОП, он запускает пользовательское исключение, TradeException, как показано выше в коде FederalRegulator.
Выход перед костром сообщение СТОП является ожидаемым:
EAST_USA is regulating the trade for, HP
MA is regulating the trade for, HP
NY is regulating the trade for, HP
CT is regulating the trade for, HP
EAST_USA is regulating the trade for, HP
MA is regulating the trade for, HP
CT is regulating the trade for, HP
NY is regulating the trade for, HP
EAST_USA is regulating the trade for, HP
CT is regulating the trade for, HP
NY is regulating the trade for, HP
MA is regulating the trade for, HP
EAST_USA is regulating the trade for, HP
MA is regulating the trade for, HP
CT is regulating the trade for, HP
NY is regulating the trade for, HP
EAST_USA is regulating the trade for, HP
MA is regulating the trade for, HP
CT is regulating the trade for, HP
NY is regulating the trade for, HP
EAST_USA is regulating the trade for, HP
MA is regulating the trade for, HP
CT is regulating the trade for, HP
NY is regulating the trade for, HP
EAST_USA is regulating the trade for, HP
Мое мышление является то, что, поскольку я использую OneForOneStrategy, когда я сгореть сообщение СТОП, в FederalRegulator актера, один излучающий, EAST_USA is regulating the trade for, HP
должен остановиться, но его дети, ГосударственныеРегуляторы должны продолжать идти.
ОДНАКО, когда я запускаю сообщение STOP, используя: regulator.Tell("STOP");
Торговое исключение бросается, но FederalRegulator продолжает излучать. Кроме того, я получаю сообщения «Мертвого письма»:
EAST_USA is regulating the trade for, HP
CT is regulating the trade for, HP
NY is regulating the trade for, HP
MA is regulating the trade for, HP
---BLOW UP-----
[ERROR][2/27/2016 12:18:49 AM][Thread 0011][akka://TradingSystem/user/MyBroker/SellFloorTrader/EastFedRegulator] No Trading Today
Cause: AkkaNetDemo.Exceptions.TradeException: No Trading Today
at AkkaNetDemo.Regulators.FederalRegulator.OnReceive(Object message) in c:\Users\Bob\Documents\GitHub\AkkaNetDemo\AkkaNetDemo\Regulators\FederalRegulator.cs:line 20
at Akka.Actor.UntypedActor.Receive(Object message)
at Akka.Actor.ActorBase.AroundReceive(Receive receive, Object message)
at Akka.Actor.ActorCell.ReceiveMessage(Object message)
at Akka.Actor.ActorCell.Invoke(Envelope envelope)
[INFO][2/27/2016 12:18:49 AM][Thread 0013][akka://TradingSystem/user/MyBroker/SellFloorTrader/EastFedRegulator] Message DeathWatchNotification from akka://TradingSystem/user/MyBroker/SellFloorTrader/EastFedRegulator to akka://TradingSystem/user/MyBroker/SellFloorTrader/EastFedRegulator was not delivered. 1 dead letters encountered.
[INFO][2/27/2016 12:18:49 AM][Thread 0012][akka://TradingSystem/user/MyBroker/SellFloorTrader/EastFedRegulator] Message DeathWatchNotification from akka://TradingSystem/user/MyBroker/SellFloorTrader/EastFedRegulator to akka://TradingSystem/user/MyBroker/SellFloorTrader/EastFedRegulator was not delivered. 2 dead letters encountered.
[INFO][2/27/2016 12:18:49 AM][Thread 0011][akka://TradingSystem/user/MyBroker/SellFloorTrader/EastFedRegulator] Message DeathWatchNotification from akka://TradingSystem/user/MyBroker/SellFloorTrader/EastFedRegulator to akka://TradingSystem/user/MyBroker/SellFloorTrader/EastFedRegulator was not delivered. 3 dead letters encountered.
EAST_USA is regulating the trade for, HP
CT is regulating the trade for, HP
MA is regulating the trade for, HP
NY is regulating the trade for, HP
Enter Trade: EAST_USA is regulating the trade for, HP
CT is regulating the trade for, HP
MA is regulating the trade for, HP
NY is regulating the trade for, HP
EAST_USA is regulating the trade for, HP
CT is regulating the trade for, HP
NY is regulating the trade for, HP
MA is regulating the trade for, HP
EAST_USA is regulating the trade for, HP
CT is regulating the trade for, HP
NY is regulating the trade for, HP
MA is regulating the trade for, HP
EAST_USA is regulating the trade for, HP
CT is regulating the trade for, HP
NY is regulating the trade for, HP
MA is regulating the trade for, HP
EAST_USA is regulating the trade for, HP
Может кто-нибудь помочь мне разобраться в ошибках моих путей. Из того, что я читал, когда вы используете OneForOneStrategy(), родитель должен остановиться, а дети продолжатся.
Заранее благодарен!