Omega cache, session, and account provider complete overhaul

1 files changed, 48 insertions, 0 deletions

diff --git a/lib/VNLib.Plugins.Extensions.VNCache/src/DataModel/ICacheExpirationStrategy.cs b/lib/VNLib.Plugins.Extensions.VNCache/src/DataModel/ICacheExpirationStrategy.cs
new file mode 100644
index 0000000..f9ff54c
--- /dev/null
+++ b/lib/VNLib.Plugins.Extensions.VNCache/src/DataModel/ICacheExpirationStrategy.cs
@@ -0,0 +1,48 @@
+/*
+* Copyright (c) 2023 Vaughn Nugent
+* 
+* Library: VNLib
+* Package: VNLib.Plugins.Extensions.VNCache
+* File: ICacheExpirationStrategy.cs 
+*
+* ICacheExpirationStrategy.cs is part of VNLib.Plugins.Extensions.VNCache 
+* which is part of the larger VNLib collection of libraries and utilities.
+*
+* VNLib.Plugins.Extensions.VNCache is free software: you can redistribute it and/or modify 
+* it under the terms of the GNU Affero General Public License as 
+* published by the Free Software Foundation, either version 3 of the
+* License, or (at your option) any later version.
+*
+* VNLib.Plugins.Extensions.VNCache is distributed in the hope that it will be useful,
+* but WITHOUT ANY WARRANTY; without even the implied warranty of
+* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+* GNU Affero General Public License for more details.
+*
+* You should have received a copy of the GNU Affero General Public License
+* along with this program.  If not, see https://www.gnu.org/licenses/.
+*/
+
+using System;
+
+namespace VNLib.Plugins.Extensions.VNCache.DataModel
+{
+    /// <summary>
+    /// An interface that provides an object caching expiration 
+    /// instructions
+    /// </summary>
+    public interface ICacheExpirationStrategy
+    {
+        /// <summary>
+        /// The maxium age of a given entity 
+        /// </summary>
+        TimeSpan CacheMaxAge { get; }
+
+        /// <summary>
+        /// Invoked when a record is retrieved and determined to be expired
+        /// </summary>
+        /// <typeparam name="T"></typeparam>
+        /// <param name="expired"></param>
+        void OnExpired<T>(T expired) where T : IExpirableCacheEntity;
+    }
+   
+}