优化sso

Infrastructure/Cache/CacheProvider.cs

@@ -0,0 +1,67 @@
+using System;
+using System.Globalization;
+
+namespace Helper.Cache
+{
+    /// <summary>
+    /// 缓存工厂
+    /// <para>李玉宝新增于2016-11-09 9:42:52</para>
+    /// </summary>
+    public abstract class CacheProvider : IDisposable
+    {
+        /// <summary>
+        /// 缓存组件
+        /// </summary>
+        public ICacheContext CacheContext { get; private set; }
+
+        /// <summary>
+        /// 动态设置缓存对象的新实例
+        /// </summary>
+        /// <param name="cacheContext">缓存实例对象</param>
+        public void SetCacheInstance(ICacheContext cacheContext)
+        {
+            //先释放现有的缓存组件
+            if (CacheContext != null)
+            {
+                CacheContext = null;
+            }
+
+            //初始化缓存组件新的实例
+            CacheContext = cacheContext;
+        }
+
+        public void SetCacheInstance(Type cacheContextType)
+        {
+            if (cacheContextType == null)
+            {
+                throw new ArgumentNullException("cacheContextType");
+            }
+
+            if (!typeof(ICacheContext).IsAssignableFrom(cacheContextType))
+            {
+                throw new ArgumentException(
+                    string.Format(CultureInfo.CurrentCulture, "该类型 {0} 必须继承自抽象类CacheContext", cacheContextType),
+                    "cacheContextType");
+            }
+
+            try
+            {
+                CacheContext = Activator.CreateInstance(cacheContextType) as ICacheContext;
+            }
+            catch (Exception ex)
+            {
+                throw new InvalidOperationException(
+                        String.Format(
+                            CultureInfo.CurrentCulture,
+                            "创建抽象类 CacheContext 的实例 {0} 失败",
+                            cacheContextType),
+                        ex);
+            }
+        }
+
+        public void Dispose()
+        {
+
+        }
+    }
+}