private void Processing()
{
Receive <IPriceUpdate>(p =>
{
_history = _history.WithPrice(p);
_log.Info("[{0}] - current price is [{1}] as of [{2}]", _history.StockId, p.CurrentAvgPrice, p.Timestamp);
});
Receive <GetPriceHistory>(h =>
{
Sender.Tell(_history);
});
Receive <GetLatestPrice>(_ =>
{
Sender.Tell(_history.CurrentPriceUpdate);
});
Receive <PriceAndVolumeSnapshot>(_ => { }); // ignore
// purge older price update entries.
Receive <Prune>(_ => { _history = _history.Prune(DateTimeOffset.UtcNow.AddMinutes(-5)); });
Receive <Terminated>(t =>
{
if (t.ActorRef.Equals(_tickerEntity))
{
_log.Info("Source of truth entity terminated. Re-acquiring...");
Context.SetReceiveTimeout(TimeSpan.FromSeconds(5));
_priceActorGateway.Tell(new FetchPriceAndVolume(_tickerSymbol));
_mediator.Tell(new Unsubscribe(_priceTopic, Self)); // unsubscribe until we acquire new source of truth pricing
Become(WaitingForPriceAndVolume);
}
});
}