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 System.Runtime.CompilerServices;
+
+using static QuantConnect.StringExtensions;
+
+namespace QuantConnect
+{
+    /// <summary>
+    /// Provides user-facing message construction methods and static messages for the <see cref="Algorithm.Framework.Alphas.Analysis"/> namespace
+    /// </summary>
+    public static partial class Messages
+    {
+        /// <summary>
+        /// Provides user-facing messages for the <see cref="Algorithm.Framework.Alphas.Analysis.InsightManager"/> class and its consumers or related classes
+        /// </summary>
+        public static class InsightManager
+        {
+            /// <summary>
+            /// String message saying extraAnalysisPeriodRatio must be greater than or equal to zero
+            /// </summary>
+            public static string InvalidExtraAnalysisPeriodRatio = "extraAnalysisPeriodRatio must be greater than or equal to zero.";
+
+            /// <summary>
+            /// Returns a string message warning the user of an insight with zero initial price
+            /// </summary>
+            [MethodImpl(MethodImplOptions.AggressiveInlining)]
+            public static string ZeroInitialPriceValue(DateTime frontierTimeUtc, Algorithm.Framework.Alphas.Insight insight)
+            {
+                return Invariant($"InsightManager.Step(): Warning {frontierTimeUtc} UTC: insight {insight} initial price value is 0");
+            }
+        }
+
+        /// <summary>
+        /// Provides user-facing messages for the <see cref="ReadOnlySecurityValuesCollection"/> class and its consumers or related classes
+        /// </summary>
+        public static class ReadOnlySecurityValuesCollection
+        {
+            /// <summary>
+            /// Returns a string message saying no SecurityValues were found for the given symbol
+            /// </summary>
+            [MethodImpl(MethodImplOptions.AggressiveInlining)]
+            public static string SecurityValuesForSymbolNotFound(QuantConnect.Symbol symbol)
+            {
+                return Invariant($"SecurityValues for symbol {symbol} was not found");
+            }
+        }
+    }
+}