/* * QUANTCONNECT.COM - Democratizing Finance, Empowering Individuals. * Lean Algorithmic Trading Engine v2.0. Copyright 2014 QuantConnect Corporation. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. * */ using System.Linq; using QuantConnect.Securities; namespace QuantConnect.Util { /// /// Provides useful infrastructure methods to the class. /// These are added in this way to avoid mudding the class's public API /// public static class SecurityExtensions { /// /// Determines if all subscriptions for the security are internal feeds /// public static bool IsInternalFeed(this Security security) { return security.Subscriptions.All(x => x.IsInternalFeed); } } }