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 QuantConnect.Data.UniverseSelection;
+
+namespace QuantConnect.DownloaderDataProvider.Launcher.Models;
+
+/// <summary>
+/// Represents the configuration for downloading data for a universe of securities.
+/// </summary>
+public sealed class DataUniverseDownloadConfig : BaseDataDownloadConfig
+{
+    /// <summary>
+    /// Gets the type of data universe download.
+    /// </summary>
+    public override Type DataType { get; }
+
+    /// <summary>
+    /// Initializes a new instance of the <see cref="DataUniverseDownloadConfig"/> class using configuration settings.
+    /// </summary>
+    /// <exception cref="ArgumentException">Thrown when an unsupported security type is specified.</exception>
+    public DataUniverseDownloadConfig()
+    {
+        Resolution = Resolution.Daily;
+        DataType = GetDataUniverseType(SecurityType);
+    }
+
+    /// <summary>
+    /// Retrieves the corresponding data universe type based on the specified security type.
+    /// </summary>
+    /// <param name="securityType">The security type for which the data universe type is determined.</param>
+    /// <returns>The corresponding <see cref="Type"/> of the data universe.</returns>
+    /// <exception cref="NotImplementedException">
+    /// Thrown when the specified <paramref name="securityType"/> is not supported.
+    /// </exception>
+    private static Type GetDataUniverseType(SecurityType securityType)
+    {
+        switch (securityType)
+        {
+            case SecurityType.Option:
+            case SecurityType.IndexOption:
+                return typeof(OptionUniverse);
+            default:
+                throw new NotImplementedException($"DataUniverseDownloadConfig.GetDataUniverseType(): The data universe type for SecurityType '{securityType}' is not implemented.");
+        }
+    }
+}