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.
+*/
+
+namespace QuantConnect.Securities
+{
+    /// <summary>
+    /// Contains the information returned by <see cref="IBuyingPowerModel.GetMaximumOrderQuantityForTargetBuyingPower"/>
+    /// and  <see cref="IBuyingPowerModel.GetMaximumOrderQuantityForDeltaBuyingPower"/>
+    /// </summary>
+    public class GetMaximumOrderQuantityResult
+    {
+        /// <summary>
+        /// Returns the maximum quantity for the order
+        /// </summary>
+        public decimal Quantity { get; }
+
+        /// <summary>
+        /// Returns the reason for which the maximum order quantity is zero
+        /// </summary>
+        public string Reason { get; }
+
+        /// <summary>
+        /// Returns true if the zero order quantity is an error condition and will be shown to the user.
+        /// </summary>
+        public bool IsError { get; }
+
+        /// <summary>
+        /// Initializes a new instance of the <see cref="GetMaximumOrderQuantityResult"/> class
+        /// </summary>
+        /// <param name="quantity">Returns the maximum quantity for the order</param>
+        /// <param name="reason">The reason for which the maximum order quantity is zero</param>
+        public GetMaximumOrderQuantityResult(decimal quantity, string reason = null)
+        {
+            Quantity = quantity;
+            Reason = reason ?? string.Empty;
+            IsError = !string.IsNullOrEmpty(Reason);
+        }
+
+        /// <summary>
+        /// Initializes a new instance of the <see cref="GetMaximumOrderQuantityResult"/> class
+        /// </summary>
+        /// <param name="quantity">Returns the maximum quantity for the order</param>
+        /// <param name="reason">The reason for which the maximum order quantity is zero</param>
+        /// <param name="isError">True if the zero order quantity is an error condition</param>
+        public GetMaximumOrderQuantityResult(decimal quantity, string reason, bool isError = true)
+        {
+            Quantity = quantity;
+            Reason = reason ?? string.Empty;
+            IsError = isError;
+        }
+    }
+}