Initial version

EonaCat.LogStack/EonaCatLoggerCore/Policies/FileRetentionPolicy.cs

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+// This file is part of the EonaCat project(s) which is released under the Apache License.
+// See the LICENSE file or go to https://EonaCat.com/License for full license details.
+
+namespace EonaCat.LogStack.EonaCatLogStackCore.Policies
+{
+    /// <summary>Combined retention policy: delete rolled files exceeding any threshold.</summary>
+    public sealed class FileRetentionPolicy
+    {
+        /// <summary>Maximum number of rolled archive files to keep (0 = unlimited).</summary>
+        public int MaxRolledFiles { get; set; }
+
+        /// <summary>Maximum total size of all archives in bytes (0 = unlimited).</summary>
+        public long MaxTotalArchiveBytes { get; set; }
+
+        /// <summary>Maximum age of any archive file in days (0 = unlimited).</summary>
+        public int MaxAgeDays { get; set; }
+
+        public FileRetentionPolicy()
+        {
+            MaxRolledFiles = 10;
+            MaxTotalArchiveBytes = 0;
+            MaxAgeDays = 0;
+        }
+    }
+}