.NET Memcached分布式缓存帮助类

1 using Memcached.ClientLibrary;  2 using System;  3 using System.Collections;  4 using System.Collections.Generic;  5 using System.Configuration;  6 using System.Linq;  7 using System.Text;  8   9 namespace Components.Helper 10 { 11     /// 
分布式缓存Memcach帮助类
 12     public class MemcachHelper 13     { 14         private static MemcachedClient _client; 15         /// 
默认缓存时间(默认20分钟)
 16         public static int DefaultCacheTime = (!string.IsNullOrEmpty(ConfigurationManager.AppSettings["DefaultCacheTime"]) ? Convert.ToInt32(ConfigurationManager.AppSettings["DefaultCacheTime"]) : 1200000); 17  18         /// 
 19         /// 是否启用分布式缓存 20         /// 
 21         public static bool IsEnableScatteredCache = (!string.IsNullOrEmpty(ConfigurationManager.AppSettings["IsEnableScatteredCache"]) ? Convert.ToBoolean(ConfigurationManager.AppSettings["IsEnableScatteredCache"]) : true); 22         static MemcachHelper() 23         { 24             string[] serverlist = (!string.IsNullOrEmpty(ConfigurationManager.AppSettings["Memcached.ServerList"]) ? ConfigurationManager.AppSettings["Memcached.ServerList"].Split(',') : null); 25  26             if (null == serverlist) 27             { 28                 serverlist = new string[] { "127.0.0.1:11211" }; 29             } 30  31             SockIOPool pool = SockIOPool.GetInstance("First"); 32             pool.SetServers(serverlist); 33             pool.Initialize(); 34  35             //初始化 36             _client = new MemcachedClient(); 37             _client.PoolName = "First"; 38             _client.EnableCompression = false; 39         } 40  41         #region Add 42         public static bool Add(string key, object value) 43         { 44             DateTime m_expiryTime = DateTime.Now.AddMilliseconds(DefaultCacheTime); 45             return _client.Add(key, value, m_expiryTime); 46         } 47         public static bool Add(string key, object value, DateTime expiry) 48         { 49             return _client.Add(key, value, expiry); 50         } 51         public static bool Add(string key, object value, int hashCode) 52         { 53             return _client.Add(key, value, hashCode); 54         } 55         public static bool Add(string key, object value, DateTime expiry, int hashCode) 56         { 57             return _client.Add(key, value, expiry, hashCode); 58         } 59         #endregion 60  61         #region Delete 62         /// 
删除缓存
 63         ///  64         /// 
       65         public static bool Delete(string key) 66         { 67             return _client.Delete(key); 68         } 69  70         /// 
删除缓存
 71         ///  72         ///  73         /// 
       74         public static bool Delete(string key, DateTime expiry) 75         { 76             return _client.Delete(key, expiry); 77         } 78  79         /// 
删除缓存
 80         ///  81         ///  82         ///  83         /// 
       84         public static bool Delete(string key, object hashCode, DateTime expiry) 85         { 86             return _client.Delete(key, hashCode, expiry); 87         } 88  89         #endregion 90  91         #region Get 92         /// 
获取缓存
 93         ///  94         /// 
       95         public static object Get(string key) 96         { 97             return _client.Get(key); 98         } 99         /// 
获取缓存
100         /// 101         /// 102         /// 
      103         public static object Get(string key, int hashCode)104         {105             return _client.Get(key, hashCode);106         }107         /// 
获取缓存
108         /// 109         /// 110         /// 111         /// 
      112         public static object Get(string key, object hashCode, bool asString)113         {114             return _client.Get(key, hashCode, asString);115         }116         #endregion117 118         #region Replace119         /// 
120         /// 替换更新121         /// 
122         /// 123         /// 124         /// 
      125         public static bool Replace(string key, object value)126         {127             return _client.Replace(key, value);128         }129         /// 
130         /// 替换更新131         /// 
132         /// 133         /// 134         /// 135         /// 
      136         public static bool Replace(string key, object value, DateTime expiry)137         {138             return _client.Replace(key, value, expiry);139         }140         /// 
141         /// 替换更新142         /// 
143         /// 144         /// 145         /// 146         /// 
      147         public static bool Replace(string key, object value, int hashCode)148         {149             return _client.Replace(key, value, hashCode);150         }151         /// 
152         /// 替换更新153         /// 
154         /// 155         /// 156         /// 157         /// 158         /// 
      159         public static bool Replace(string key, object value, DateTime expiry, int hashCode)160         {161             return _client.Replace(key, value, expiry, hashCode);162         }163         #endregion164 165         #region Set166         public static bool Set(string key, object value)167         {168             return _client.Set(key, value);169         }170         public static bool Set(string key, object value, DateTime expiry)171         {172             return _client.Set(key, value, expiry);173         }174         public static bool Set(string key, object value, int hashCode)175         {176             return _client.Set(key, value, hashCode);177         }178         public static bool Set(string key, object value, DateTime expiry, int hashCode)179         {180             return _client.Set(key, value, expiry, hashCode);181         }182         #endregion183 184         #region Stats185         public static Hashtable Stats()186         {187             return _client.Stats();188         }189 190         public static Hashtable Stats(ArrayList servers)191         {192             return _client.Stats(servers);193         }194         #endregion195 196         /// 
判断指定Key的缓存是否存在
197         /// 198         /// 
      199         public static bool KeyExists(string key)200         {201             return _client.KeyExists(key);202         }203 204         /// 
205         /// 移除缓存,针对空间206         /// 
207         /// 208         public static void RemoveRegionCache(string regionName)209         {210 211         }212     }213 }