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 +1,50 @@
+/*
+ * 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>
+    /// Provides an abstraction for managing isolator limit results.
+    /// This is originally intended to be used by the training feature to permit a single
+    /// algorithm time loop to extend past the default of ten minutes
+    /// </summary>
+    public interface IIsolatorLimitResultProvider
+    {
+        /// <summary>
+        /// Determines whether or not a custom isolator limit has be reached.
+        /// </summary>
+        IsolatorLimitResult IsWithinLimit();
+
+        /// <summary>
+        /// Requests additional time from the isolator result provider. This is intended
+        /// to prevent <see cref="IsWithinLimit"/> from returning an error result.
+        /// This method will throw a <see cref="TimeoutException"/> if there is insufficient
+        /// resources available to fulfill the specified number of minutes.
+        /// </summary>
+        /// <param name="minutes">The number of additional minutes to request</param>
+        void RequestAdditionalTime(int minutes);
+
+        /// <summary>
+        /// Attempts to request additional time from the isolator result provider. This is intended
+        /// to prevent <see cref="IsWithinLimit"/> from returning an error result.
+        /// This method will only return false if there is insufficient resources available to fulfill
+        /// the specified number of minutes.
+        /// </summary>
+        /// <param name="minutes">The number of additional minutes to request</param>
+        bool TryRequestAdditionalTime(int minutes);
+    }
+}