chore: import upstream snapshot with attribution

2026-07-13 13:02:50 +08:00
commit 0fc60fdcb1
5008 changed files with 910633 additions and 0 deletions
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+/*
+ * 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;
+using QuantConnect.Data;
+using QuantConnect.Util;
+using QuantConnect.Logging;
+using QuantConnect.Packets;
+using QuantConnect.Interfaces;
+using System.Diagnostics.CodeAnalysis;
+
+namespace QuantConnect.Lean.Engine.DataFeeds
+{
+    /// <summary>
+    /// Entity in charge of handling data permissions
+    /// </summary>
+    public class DataPermissionManager : IDataPermissionManager
+    {
+        /// <summary>
+        /// The data channel provider instance
+        /// </summary>
+        public IDataChannelProvider DataChannelProvider { get; private set; }
+
+        [DynamicDependency(DynamicallyAccessedMemberTypes.PublicConstructors, typeof(DataPermissionManager))]
+        public DataPermissionManager()
+        {
+        }
+
+        /// <summary>
+        /// Initialize the data permission manager
+        /// </summary>
+        /// <param name="job">The job packet</param>
+        public virtual void Initialize(AlgorithmNodePacket job)
+        {
+            var liveJob = job as LiveNodePacket;
+            if (liveJob != null)
+            {
+                Log.Trace($"LiveTradingDataFeed.GetDataChannelProvider(): will use {liveJob.DataChannelProvider}");
+                DataChannelProvider = Composer.Instance.GetExportedValueByTypeName<IDataChannelProvider>(liveJob.DataChannelProvider);
+                DataChannelProvider.Initialize(liveJob);
+            }
+        }
+
+        /// <summary>
+        /// Will assert the requested configuration is valid for the current job
+        /// </summary>
+        /// <param name="subscriptionRequest">The data subscription configuration to assert</param>
+        /// <param name="startTimeLocal">The start time of this request</param>
+        /// <param name="endTimeLocal">The end time of this request</param>
+        public virtual void AssertConfiguration(SubscriptionDataConfig subscriptionRequest, DateTime startTimeLocal, DateTime endTimeLocal)
+        {
+        }
+    }
+}