add missing files

Infrastructure/Cache/CacheContext.cs

@@ -0,0 +1,44 @@
+using System;
+
+namespace Infrastructure.Cache
+{
+    /// <summary>
+    /// 策略模式缓存组件，可实现动态插拔
+    /// </summary>
+    public abstract class CacheContext : IDisposable
+    {
+        /// <summary>
+        /// 初始化缓存组件
+        /// </summary>
+        public abstract void Init();
+
+        /// <summary>
+        /// 获取缓存项
+        /// </summary>
+        /// <typeparam name="T">缓存对象类型</typeparam>
+        /// <param name="key">键</param>
+        /// <returns>缓存对象</returns>
+        public abstract T Get<T>(string key) where T : class;
+
+        /// <summary>
+        /// 设置缓存项
+        /// </summary>
+        /// <typeparam name="T">缓存对象类型</typeparam>
+        /// <param name="key">键</param>
+        /// <param name="t">缓存对象</param>
+        /// <returns>true成功,false失败</returns>
+        public abstract bool Set<T>(string key, T t) where T : class;
+
+        /// <summary>
+        /// 移除一个缓存项
+        /// </summary>
+        /// <param name="key">缓存项key</param>
+        /// <returns>true成功,false失败</returns>
+        public abstract bool Remove(string key);
+
+        /// <summary>
+        /// 释放缓存组件
+        /// </summary>
+        public abstract void Dispose();
+    }
+}