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
@@ -0,0 +1,40 @@
+/*
+ * 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;
+
+namespace QuantConnect.Lean.Engine.DataFeeds.WorkScheduling
+{
+    /// <summary>
+    /// Base work scheduler abstraction
+    /// </summary>
+    public abstract class WorkScheduler
+    {
+        /// <summary>
+        /// The quantity of workers to be used
+        /// </summary>
+        public static int WorkersCount = Configuration.Config.GetInt("data-feed-workers-count", Environment.ProcessorCount);
+
+        /// <summary>
+        /// Add a new work item to the queue
+        /// </summary>
+        /// <param name="symbol">The symbol associated with this work</param>
+        /// <param name="workFunc">The work function to run</param>
+        /// <param name="weightFunc">The weight function.
+        /// Work will be sorted in ascending order based on this weight</param>
+        public abstract void QueueWork(Symbol symbol, Func<int, bool> workFunc, Func<int> weightFunc);
+    }
+}