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 Newtonsoft.Json;
+using QuantConnect.Interfaces;
+
+namespace QuantConnect.Commands
+{
+    /// <summary>
+    /// Algorithm callback command type
+    /// </summary>
+    public class CallbackCommand : BaseCommand
+    {
+        /// <summary>
+        /// The target command type to run, if empty or null will be the generic untyped command handler
+        /// </summary>
+        public string Type { get; set; }
+
+        /// <summary>
+        /// The command payload
+        /// </summary>
+        public string Payload { get; set; }
+
+        /// <summary>
+        /// Runs this command against the specified algorithm instance
+        /// </summary>
+        /// <param name="algorithm">The algorithm to run this command against</param>
+        public override CommandResultPacket Run(IAlgorithm algorithm)
+        {
+            if (string.IsNullOrEmpty(Type))
+            {
+                // target is the untyped algorithm handler
+                var result = algorithm.OnCommand(string.IsNullOrEmpty(Payload) ? null : JsonConvert.DeserializeObject<Command>(Payload));
+                return new CommandResultPacket(this, result);
+            }
+            return algorithm.RunCommand(this);
+        }
+
+        /// <summary>
+        /// The command string representation
+        /// </summary>
+        public override string ToString()
+        {
+            if (!string.IsNullOrEmpty(Type))
+            {
+                return Type;
+            }
+            return "OnCommand";
+        }
+    }
+}