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 +1,51 @@
+/*
+ * 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
+{
+    /// <summary>
+    /// Represents the result of the <see cref="Isolator"/> limiter callback
+    /// </summary>
+    public class IsolatorLimitResult
+    {
+        /// <summary>
+        /// Gets the amount of time spent on the current time step
+        /// </summary>
+        public TimeSpan CurrentTimeStepElapsed { get; }
+
+        /// <summary>
+        /// Gets the error message or an empty string if no error on the current time step
+        /// </summary>
+        public string ErrorMessage { get; }
+
+        /// <summary>
+        /// Returns true if there are no errors in the current time step
+        /// </summary>
+        public bool IsWithinCustomLimits => string.IsNullOrEmpty(ErrorMessage);
+
+        /// <summary>
+        /// Initializes a new instance of the <see cref="IsolatorLimitResult"/> class
+        /// </summary>
+        /// <param name="currentTimeStepElapsed">The amount of time spent on the current time step</param>
+        /// <param name="errorMessage">The error message or an empty string if no error on the current time step</param>
+        public IsolatorLimitResult(TimeSpan currentTimeStepElapsed, string errorMessage)
+        {
+            ErrorMessage = errorMessage;
+            CurrentTimeStepElapsed = currentTimeStepElapsed;
+        }
+    }
+}