Memcached缓存帮助类
.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 /// <summary>分布式缓存Memcach帮助类</summary> 12 public class MemcachHelper 13 { 14 private static MemcachedClient _client; 15 /// <summary>默认缓存时间(默认20分钟)</summary> 16 public static int DefaultCacheTime = (!string.IsNullOrEmpty(ConfigurationManager.AppSettings["DefaultCacheTime"]) ? Convert.ToInt32(ConfigurationManager.AppSettings["DefaultCacheTime"]) : 1200000); 17 18 /// <summary> 19 /// 是否启用分布式缓存 20 /// </summary> 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 /// <summary>删除缓存</summary> 63 /// <param name="key"></param> 64 /// <returns></returns> 65 public static bool Delete(string key) 66 { 67 return _client.Delete(key); 68 } 69 70 /// <summary>删除缓存</summary> 71 /// <param name="key"></param> 72 /// <param name="expiry"></param> 73 /// <returns></returns> 74 public static bool Delete(string key, DateTime expiry) 75 { 76 return _client.Delete(key, expiry); 77 } 78 79 /// <summary>删除缓存</summary> 80 /// <param name="key"></param> 81 /// <param name="hashCode"></param> 82 /// <param name="expiry"></param> 83 /// <returns></returns> 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 /// <summary>获取缓存</summary> 93 /// <param name="key"></param> 94 /// <returns></returns> 95 public static object Get(string key) 96 { 97 return _client.Get(key); 98 } 99 /// <summary>获取缓存</summary> 100 /// <param name="key"></param> 101 /// <param name="hashCode"></param> 102 /// <returns></returns> 103 public static object Get(string key, int hashCode) 104 { 105 return _client.Get(key, hashCode); 106 } 107 /// <summary>获取缓存</summary> 108 /// <param name="key"></param> 109 /// <param name="hashCode"></param> 110 /// <param name="asString"></param> 111 /// <returns></returns> 112 public static object Get(string key, object hashCode, bool asString) 113 { 114 return _client.Get(key, hashCode, asString); 115 } 116 #endregion 117 118 #region Replace 119 /// <summary> 120 /// 替换更新 121 /// </summary> 122 /// <param name="key"></param> 123 /// <param name="value"></param> 124 /// <returns></returns> 125 public static bool Replace(string key, object value) 126 { 127 return _client.Replace(key, value); 128 } 129 /// <summary> 130 /// 替换更新 131 /// </summary> 132 /// <param name="key"></param> 133 /// <param name="value"></param> 134 /// <param name="expiry"></param> 135 /// <returns></returns> 136 public static bool Replace(string key, object value, DateTime expiry) 137 { 138 return _client.Replace(key, value, expiry); 139 } 140 /// <summary> 141 /// 替换更新 142 /// </summary> 143 /// <param name="key"></param> 144 /// <param name="value"></param> 145 /// <param name="hashCode"></param> 146 /// <returns></returns> 147 public static bool Replace(string key, object value, int hashCode) 148 { 149 return _client.Replace(key, value, hashCode); 150 } 151 /// <summary> 152 /// 替换更新 153 /// </summary> 154 /// <param name="key"></param> 155 /// <param name="value"></param> 156 /// <param name="expiry"></param> 157 /// <param name="hashCode"></param> 158 /// <returns></returns> 159 public static bool Replace(string key, object value, DateTime expiry, int hashCode) 160 { 161 return _client.Replace(key, value, expiry, hashCode); 162 } 163 #endregion 164 165 #region Set 166 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 #endregion 183 184 #region Stats 185 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 #endregion 195 196 /// <summary>判断指定Key的缓存是否存在</summary> 197 /// <param name="key"></param> 198 /// <returns></returns> 199 public static bool KeyExists(string key) 200 { 201 return _client.KeyExists(key); 202 } 203 204 /// <summary> 205 /// 移除缓存,针对空间 206 /// </summary> 207 /// <param name="key"></param> 208 public static void RemoveRegionCache(string regionName) 209 { 210 211 } 212 } 213 }
