コード例 #1
0
        /// <summary>
        /// Will wrap the provided enumerator with a <see cref="FrontierAwareEnumerator"/>
        /// using a <see cref="PredicateTimeProvider"/> that will advance time based on the provided
        /// function
        /// </summary>
        /// <remarks>Won't advance time if now.Hour is bigger or equal than 23pm, less or equal than 5am or Saturday.
        /// This is done to prevent universe selection occurring in those hours so that the subscription changes
        /// are handled correctly.</remarks>
        private IEnumerator <BaseData> GetConfiguredFrontierAwareEnumerator(
            IEnumerator <BaseData> enumerator,
            TimeZoneOffsetProvider tzOffsetProvider,
            Func <DateTime, bool> customStepEvaluator)
        {
            var stepTimeProvider = new PredicateTimeProvider(_frontierTimeProvider, customStepEvaluator);

            return(new FrontierAwareEnumerator(enumerator, stepTimeProvider, tzOffsetProvider));
        }
コード例 #2
0
        /// <summary>
        /// Will wrap the provided enumerator with a <see cref="FrontierAwareEnumerator"/>
        /// using a <see cref="PredicateTimeProvider"/> that will advance time based on the provided
        /// function
        /// </summary>
        /// <remarks>Won't advance time if now.Hour is bigger or equal than 23pm, less or equal than 5am or Saturday.
        /// This is done to prevent universe selection occurring in those hours so that the subscription changes
        /// are handled correctly.</remarks>
        private IEnumerator <BaseData> GetConfiguredFrontierAwareEnumerator(IEnumerator <BaseData> enumerator,
                                                                            TimeZoneOffsetProvider tzOffsetProvider)
        {
            var stepTimeProvider = new PredicateTimeProvider(_frontierTimeProvider,
                                                             // advance time if before 23pm or after 5am and not on Saturdays
                                                             time => time.Hour < 23 && time.Hour > 5 && time.DayOfWeek != DayOfWeek.Saturday);

            return(new FrontierAwareEnumerator(enumerator, stepTimeProvider, tzOffsetProvider));
        }
コード例 #3
0
        /// <summary>
        /// Creates a new subscription for universe selection
        /// </summary>
        /// <param name="request">The subscription request</param>
        private Subscription CreateUniverseSubscription(SubscriptionRequest request)
        {
            Subscription subscription = null;

            // TODO : Consider moving the creating of universe subscriptions to a separate, testable class

            // grab the relevant exchange hours
            var config           = request.Universe.Configuration;
            var localEndTime     = request.EndTimeUtc.ConvertFromUtc(request.Security.Exchange.TimeZone);
            var tzOffsetProvider = new TimeZoneOffsetProvider(request.Security.Exchange.TimeZone, request.StartTimeUtc, request.EndTimeUtc);

            IEnumerator <BaseData> enumerator = null;

            var timeTriggered = request.Universe as ITimeTriggeredUniverse;

            if (timeTriggered != null)
            {
                Log.Trace($"LiveTradingDataFeed.CreateUniverseSubscription(): Creating user defined universe: {config.Symbol.ID}");

                // spoof a tick on the requested interval to trigger the universe selection function
                var enumeratorFactory = new TimeTriggeredUniverseSubscriptionEnumeratorFactory(timeTriggered, MarketHoursDatabase.FromDataFolder(), _frontierTimeProvider);
                enumerator = enumeratorFactory.CreateEnumerator(request, _dataProvider);

                enumerator = new FrontierAwareEnumerator(enumerator, _timeProvider, tzOffsetProvider);

                var enqueueable = new EnqueueableEnumerator <BaseData>();
                _customExchange.AddEnumerator(new EnumeratorHandler(config.Symbol, enumerator, enqueueable));
                enumerator = enqueueable;
            }
            else if (config.Type == typeof(CoarseFundamental))
            {
                Log.Trace($"LiveTradingDataFeed.CreateUniverseSubscription(): Creating coarse universe: {config.Symbol.ID}");

                // we subscribe using a normalized symbol, without a random GUID,
                // since the ticker plant will send the coarse data using this symbol
                var normalizedSymbol = CoarseFundamental.CreateUniverseSymbol(config.Symbol.ID.Market, false);

                // Will try to pull coarse data from the data folder every 30min, file with today's date.
                // If lean is started today it will trigger initial coarse universe selection
                var factory = new LiveCustomDataSubscriptionEnumeratorFactory(_timeProvider,
                                                                              // we adjust time to the previous tradable date
                                                                              time => Time.GetStartTimeForTradeBars(request.Security.Exchange.Hours, time, Time.OneDay, 1, false, config.DataTimeZone)
                                                                              );
                var enumeratorStack = factory.CreateEnumerator(request, _dataProvider);

                // aggregates each coarse data point into a single BaseDataCollection
                var aggregator = new BaseDataCollectionAggregatorEnumerator(enumeratorStack, normalizedSymbol, true);
                _customExchange.AddEnumerator(normalizedSymbol, aggregator);

                var enqueable = new EnqueueableEnumerator <BaseData>();
                _customExchange.SetDataHandler(normalizedSymbol, data =>
                {
                    var coarseData = data as BaseDataCollection;
                    enqueable.Enqueue(new BaseDataCollection(coarseData.Time, config.Symbol, coarseData.Data));
                    subscription.OnNewDataAvailable();
                });
                enumerator = GetConfiguredFrontierAwareEnumerator(enqueable, tzOffsetProvider,
                                                                  // advance time if before 23pm or after 5am and not on Saturdays
                                                                  time => time.Hour < 23 && time.Hour > 5 && time.DayOfWeek != DayOfWeek.Saturday);
            }
            else if (request.Universe is OptionChainUniverse)
            {
                Log.Trace("LiveTradingDataFeed.CreateUniverseSubscription(): Creating option chain universe: " + config.Symbol.ID);

                Func <SubscriptionRequest, IEnumerator <BaseData> > configure = (subRequest) =>
                {
                    var fillForwardResolution = _subscriptions.UpdateAndGetFillForwardResolution(subRequest.Configuration);
                    var input = _dataQueueHandler.Subscribe(subRequest.Configuration, (sender, args) => subscription.OnNewDataAvailable());
                    return(new LiveFillForwardEnumerator(_frontierTimeProvider, input, subRequest.Security.Exchange, fillForwardResolution, subRequest.Configuration.ExtendedMarketHours, localEndTime, subRequest.Configuration.Increment, subRequest.Configuration.DataTimeZone));
                };

                var symbolUniverse = _dataQueueHandler as IDataQueueUniverseProvider;
                if (symbolUniverse == null)
                {
                    throw new NotSupportedException("The DataQueueHandler does not support Options.");
                }

                var timeProvider = new PredicateTimeProvider(_timeProvider,
                                                             time => symbolUniverse.CanAdvanceTime(config.SecurityType));

                var enumeratorFactory = new OptionChainUniverseSubscriptionEnumeratorFactory(configure, symbolUniverse, timeProvider);
                enumerator = enumeratorFactory.CreateEnumerator(request, _dataProvider);

                enumerator = new FrontierAwareEnumerator(enumerator, _frontierTimeProvider, tzOffsetProvider);
            }
            else if (request.Universe is FuturesChainUniverse)
            {
                Log.Trace("LiveTradingDataFeed.CreateUniverseSubscription(): Creating futures chain universe: " + config.Symbol.ID);

                var symbolUniverse = _dataQueueHandler as IDataQueueUniverseProvider;
                if (symbolUniverse == null)
                {
                    throw new NotSupportedException("The DataQueueHandler does not support Futures.");
                }

                var timeProvider = new PredicateTimeProvider(_timeProvider,
                                                             time => symbolUniverse.CanAdvanceTime(config.SecurityType));

                var enumeratorFactory = new FuturesChainUniverseSubscriptionEnumeratorFactory(symbolUniverse, timeProvider);
                enumerator = enumeratorFactory.CreateEnumerator(request, _dataProvider);

                enumerator = new FrontierAwareEnumerator(enumerator, _frontierTimeProvider, tzOffsetProvider);
            }
            else
            {
                Log.Trace("LiveTradingDataFeed.CreateUniverseSubscription(): Creating custom universe: " + config.Symbol.ID);

                var factory         = new LiveCustomDataSubscriptionEnumeratorFactory(_timeProvider);
                var enumeratorStack = factory.CreateEnumerator(request, _dataProvider);
                enumerator = new BaseDataCollectionAggregatorEnumerator(enumeratorStack, config.Symbol, liveMode: true);

                var enqueueable = new EnqueueableEnumerator <BaseData>();
                _customExchange.AddEnumerator(new EnumeratorHandler(config.Symbol, enumerator, enqueueable));
                enumerator = enqueueable;
            }

            // create the subscription
            var subscriptionDataEnumerator = new SubscriptionDataEnumerator(request.Configuration, request.Security.Exchange.Hours, tzOffsetProvider, enumerator);

            subscription = new Subscription(request, subscriptionDataEnumerator, tzOffsetProvider);

            // send the subscription for the new symbol through to the data queuehandler
            if (_channelProvider.ShouldStreamSubscription(_job, subscription.Configuration))
            {
                _dataQueueHandler.Subscribe(request.Configuration, (sender, args) => subscription.OnNewDataAvailable());
            }

            return(subscription);
        }
コード例 #4
0
        /// <summary>
        /// Creates a new subscription for universe selection
        /// </summary>
        /// <param name="request">The subscription request</param>
        private Subscription CreateUniverseSubscription(SubscriptionRequest request)
        {
            Subscription subscription = null;

            // TODO : Consider moving the creating of universe subscriptions to a separate, testable class

            // grab the relevant exchange hours
            var config           = request.Universe.Configuration;
            var localEndTime     = request.EndTimeUtc.ConvertFromUtc(request.Security.Exchange.TimeZone);
            var tzOffsetProvider = new TimeZoneOffsetProvider(request.Security.Exchange.TimeZone, request.StartTimeUtc, request.EndTimeUtc);

            IEnumerator <BaseData> enumerator;

            var timeTriggered = request.Universe as ITimeTriggeredUniverse;

            if (timeTriggered != null)
            {
                Log.Trace($"LiveTradingDataFeed.CreateUniverseSubscription(): Creating user defined universe: {config.Symbol}");

                // spoof a tick on the requested interval to trigger the universe selection function
                var enumeratorFactory = new TimeTriggeredUniverseSubscriptionEnumeratorFactory(timeTriggered, MarketHoursDatabase.FromDataFolder(), _frontierTimeProvider);
                enumerator = enumeratorFactory.CreateEnumerator(request, _dataProvider);

                enumerator = new FrontierAwareEnumerator(enumerator, _timeProvider, tzOffsetProvider);

                var enqueueable = new EnqueueableEnumerator <BaseData>();
                _customExchange.AddEnumerator(new EnumeratorHandler(config.Symbol, enumerator, enqueueable));
                enumerator = enqueueable;
            }
            else if (config.Type == typeof(CoarseFundamental))
            {
                Log.Trace("LiveTradingDataFeed.CreateUniverseSubscription(): Creating coarse universe: " + config.Symbol.ToString());

                // we subscribe using a normalized symbol, without a random GUID,
                // since the ticker plant will send the coarse data using this symbol
                var normalizedSymbol = CoarseFundamental.CreateUniverseSymbol(config.Symbol.ID.Market, false);

                // since we're binding to the data queue exchange we'll need to let him
                // know that we expect this data
                _dataQueueHandler.Subscribe(_job, new[] { normalizedSymbol });

                var enqueable = new EnqueueableEnumerator <BaseData>();
                // We `AddDataHandler` not `Set` so we can have multiple handlers for the coarse data
                _exchange.AddDataHandler(normalizedSymbol, data =>
                {
                    enqueable.Enqueue(data);

                    subscription.OnNewDataAvailable();
                });

                enumerator = GetConfiguredFrontierAwareEnumerator(enqueable, tzOffsetProvider,
                                                                  // advance time if before 23pm or after 5am and not on Saturdays
                                                                  time => time.Hour < 23 && time.Hour > 5 && time.DayOfWeek != DayOfWeek.Saturday);
            }
            else if (request.Universe is OptionChainUniverse)
            {
                Log.Trace("LiveTradingDataFeed.CreateUniverseSubscription(): Creating option chain universe: " + config.Symbol.ToString());

                Func <SubscriptionRequest, IEnumerator <BaseData>, IEnumerator <BaseData> > configure = (subRequest, input) =>
                {
                    // we check if input enumerator is an underlying enumerator. If yes, we subscribe it to the data.
                    var aggregator = input as TradeBarBuilderEnumerator;

                    if (aggregator != null)
                    {
                        _exchange.SetDataHandler(request.Configuration.Symbol, data =>
                        {
                            aggregator.ProcessData((Tick)data);
                        });
                    }

                    var fillForwardResolution = _subscriptions.UpdateAndGetFillForwardResolution(request.Configuration);

                    return(new LiveFillForwardEnumerator(_frontierTimeProvider, input, request.Security.Exchange, fillForwardResolution, request.Configuration.ExtendedMarketHours, localEndTime, request.Configuration.Increment, request.Configuration.DataTimeZone, request.StartTimeLocal));
                };

                var symbolUniverse = _dataQueueHandler as IDataQueueUniverseProvider;
                if (symbolUniverse == null)
                {
                    throw new NotSupportedException("The DataQueueHandler does not support Options.");
                }

                var timeProvider = new PredicateTimeProvider(_timeProvider,
                                                             time => symbolUniverse.CanAdvanceTime(config.SecurityType));

                var enumeratorFactory = new OptionChainUniverseSubscriptionEnumeratorFactory(configure, symbolUniverse, timeProvider);
                enumerator = enumeratorFactory.CreateEnumerator(request, _dataProvider);

                enumerator = new FrontierAwareEnumerator(enumerator, _frontierTimeProvider, tzOffsetProvider);
            }
            else if (request.Universe is FuturesChainUniverse)
            {
                Log.Trace("LiveTradingDataFeed.CreateUniverseSubscription(): Creating futures chain universe: " + config.Symbol.ToString());

                var symbolUniverse = _dataQueueHandler as IDataQueueUniverseProvider;
                if (symbolUniverse == null)
                {
                    throw new NotSupportedException("The DataQueueHandler does not support Futures.");
                }

                var timeProvider = new PredicateTimeProvider(_timeProvider,
                                                             time => symbolUniverse.CanAdvanceTime(config.SecurityType));

                var enumeratorFactory = new FuturesChainUniverseSubscriptionEnumeratorFactory(symbolUniverse, timeProvider);
                enumerator = enumeratorFactory.CreateEnumerator(request, _dataProvider);

                enumerator = new FrontierAwareEnumerator(enumerator, _frontierTimeProvider, tzOffsetProvider);
            }
            else
            {
                Log.Trace("LiveTradingDataFeed.CreateUniverseSubscription(): Creating custom universe: " + config.Symbol.ToString());

                var factory         = new LiveCustomDataSubscriptionEnumeratorFactory(_timeProvider);
                var enumeratorStack = factory.CreateEnumerator(request, _dataProvider);
                enumerator = new BaseDataCollectionAggregatorEnumerator(enumeratorStack, config.Symbol, liveMode: true);

                var enqueueable = new EnqueueableEnumerator <BaseData>();
                _customExchange.AddEnumerator(new EnumeratorHandler(config.Symbol, enumerator, enqueueable));
                enumerator = enqueueable;
            }

            // create the subscription
            var subscriptionDataEnumerator = new SubscriptionDataEnumerator(request.Configuration, request.Security.Exchange.Hours, tzOffsetProvider, enumerator);

            subscription = new Subscription(request, subscriptionDataEnumerator, tzOffsetProvider);

            return(subscription);
        }