Пример #1
0
        /// <summary>
        /// Adds the security to the user defined universe
        /// </summary>
        /// <param name="security">The security to add</param>
        /// <param name="configurations">The <see cref="SubscriptionDataConfig"/> instances we want to add</param>
        private void AddToUserDefinedUniverse(
            Security security,
            List <SubscriptionDataConfig> configurations)
        {
            var subscription = configurations.First();
            // if we are adding a non-internal security which already has an internal feed, we remove it first
            Security existingSecurity;

            if (Securities.TryGetValue(security.Symbol, out existingSecurity))
            {
                if (!subscription.IsInternalFeed && existingSecurity.IsInternalFeed())
                {
                    var securityUniverse = UniverseManager.Select(x => x.Value).OfType <UserDefinedUniverse>().FirstOrDefault(x => x.Members.ContainsKey(security.Symbol));
                    securityUniverse?.Remove(security.Symbol);

                    Securities.Remove(security.Symbol);
                }
            }

            Securities.Add(security);

            // add this security to the user defined universe
            Universe universe;
            var      universeSymbol = UserDefinedUniverse.CreateSymbol(security.Type, security.Symbol.ID.Market);

            lock (_pendingUniverseAdditionsLock)
            {
                if (!UniverseManager.TryGetValue(universeSymbol, out universe))
                {
                    universe = _pendingUniverseAdditions.FirstOrDefault(x => x.Configuration.Symbol == universeSymbol);
                    if (universe == null)
                    {
                        // create a new universe, these subscription settings don't currently get used
                        // since universe selection proper is never invoked on this type of universe
                        var uconfig = new SubscriptionDataConfig(subscription, symbol: universeSymbol, isInternalFeed: true, fillForward: false);

                        if (security.Type == SecurityType.Base)
                        {
                            // set entry in market hours database for the universe subscription to match the custom data
                            var symbolString = MarketHoursDatabase.GetDatabaseSymbolKey(uconfig.Symbol);
                            MarketHoursDatabase.SetEntry(uconfig.Market, symbolString, uconfig.SecurityType, security.Exchange.Hours, uconfig.DataTimeZone);
                        }

                        universe = new UserDefinedUniverse(uconfig,
                                                           new UniverseSettings(
                                                               subscription.Resolution,
                                                               security.Leverage,
                                                               subscription.FillDataForward,
                                                               subscription.ExtendedMarketHours,
                                                               TimeSpan.Zero),
                                                           QuantConnect.Time.MaxTimeSpan,
                                                           new List <Symbol>());
                        _pendingUniverseAdditions.Add(universe);
                    }
                }
            }

            var userDefinedUniverse = universe as UserDefinedUniverse;

            if (userDefinedUniverse != null)
            {
                lock (_pendingUniverseAdditionsLock)
                {
                    _pendingUserDefinedUniverseSecurityAdditions.Add(
                        new UserDefinedUniverseAddition(userDefinedUniverse, configurations, security));
                }
            }
            else
            {
                // should never happen, someone would need to add a non-user defined universe with this symbol
                throw new Exception("Expected universe with symbol '" + universeSymbol.Value + "' to be of type UserDefinedUniverse.");
            }
        }