// The key identifies unique items to be cached and specifies the order.
private static string CacheKeySelector(IAccountUpdate v)
{
if (v == null)
{
throw new ArgumentNullException(nameof(v));
}
if (v is AccountUpdateTime)
{
return("!"); // top
}
if (v is PortfolioValue ap)
{
return($"{ap.Account} (1) {(ap.Contract == null ? "" : ap.Contract.Stringify(includeTypeName: false))}");
}
if (v is AccountValue av)
{
return($"{av.Account} (2) {av.Key}:{av.Currency}");
}
// AccountUpdateEnd is last and indicates that the initial values for the partcular account have been emitted.
return($"{((AccountUpdateEnd)v).Account} (3)");
}
private void HandleAccountUpdates(IAccountUpdate update)
{
OnAccountUpdate?.Invoke(update);
}
private static void AlpacaStreamingClient_OnAccountUpdate(IAccountUpdate obj)
{
Logger.LogInformation($"AlpacaStreamingClient_OnAccountUpdate: {obj}");
}
