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 +1,53 @@
+/*
+ * 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.Interfaces
+{
+    /// <summary>
+    /// Event arguments for the <see cref="IDataProvider.NewDataRequest"/> event
+    /// </summary>
+    public class DataProviderNewDataRequestEventArgs : EventArgs
+    {
+        /// <summary>
+        /// Path to the fetched data
+        /// </summary>
+        public string Path { get; }
+
+        /// <summary>
+        /// Whether the data was fetched successfully
+        /// </summary>
+        public bool Succeeded { get; }
+
+        /// <summary>
+        /// Any error message that occurred during the fetch
+        /// </summary>
+        public string ErrorMessage  { get; }
+
+        /// <summary>
+        /// Initializes a new instance of the <see cref="DataProviderNewDataRequestEventArgs"/> class
+        /// </summary>
+        /// <param name="path">The path to the fetched data</param>
+        /// <param name="succeeded">Whether the data was fetched successfully</param>
+        /// <param name="errorMessage">Any error message that occured during the fetch</param>
+        public DataProviderNewDataRequestEventArgs(string path, bool succeeded, string  errorMessage)
+        {
+            Path = path;
+            Succeeded = succeeded;
+            ErrorMessage = errorMessage;
+        }
+    }
+}