public void TestMethodGet()
{
DistCache.Add("key2", "testServer", ProviderName);
var result = DistCache.Get <string>("key2", ProviderName);
Assert.AreEqual("testServer", result);
}
public override void Remove(string prefix, string key, Guid timestamp)
{
string fullName = this.GetFullName(prefix, key);
DistCache.Remove(fullName);
cacheKeys.Remove(fullName);
}
protected void Button1_Click(object sender, EventArgs e)
{
DistCache.Add("myname", TextBox1.Text);
//給此變數設定 Expiration
//DistCache.Add("myname", TextBox1.Text, DateTime.Today.AddDays(1) - DateTime.Now);
}
/// <summary>
/// 获取缓存数据。
/// </summary>
/// <param name="key">键。</param>
/// <returns>缓存数据。</returns>
private static object GetCacheValue(string key)
{
object value = null;
bool useMemcached, useWebCache, useBothCache;
int cacheTimeout;
string versionKey;
AnalyzeCacheKey(key, out useMemcached, out useWebCache, out useBothCache, out cacheTimeout, out versionKey);
if (useBothCache) //使用双缓存
{
object dotNetCacheVersion = _cache.Get(versionKey);
object memcachedVersion = DistCache.Get(versionKey);
//如果Web Cache和Memcached中的缓存版本不相等，则表示缓存的数据已发生变化，需重新从数据库读取并更新缓存
if (dotNetCacheVersion == null || memcachedVersion == null || dotNetCacheVersion.ToString() != memcachedVersion.ToString())
{
value = null;
}
else
{
value = _cache.Get(key);
}
}
else if (useWebCache)
{
value = _cache.Get(key);
}
else if (useMemcached)
{
value = DistCache.Get(key);
}
return(value);
}
public void Get_Multiple_Positive_Test()
{
Debug.WriteLine("-------------Get_Multiple_Positive_Test()------------");
string[] keys = new string[10];
using (CalcTimeSpan calc = new CalcTimeSpan("Time for Setting"))
{
for (int i = 0; i < 10; i++)
{
DistCache.Add(i.ToString(), i * 2);
keys[i] = i.ToString();
}
}
using (CalcTimeSpan calc = new CalcTimeSpan("Time for Getting"))
{
IDictionary <string, object> _retVal = DistCache.Get(keys);
for (int i = 0; i < 10; i++)
{
Assert.IsTrue(((int)_retVal[keys[i]]) == (i * 2));
}
}
}
/// <summary>
/// 根据表名称清除对应的缓存，在添加缓存的时候加上涉及到的表名称
/// </summary>
/// <param name="tbName"></param>
public void RemoveKeyDicByTbName(string tbName)
{
try
{
if (!string.IsNullOrWhiteSpace(tbName))
{
return;
}
tbName = tbName.ToLower();
List <MemcacheKey> MemcacheKeyList = GetMemcacheKeyLis();
var keyList = MemcacheKeyList.Where(t => t.RelationTableName.ToLower().Contains(tbName)).Select(m => m.Key).ToList();
MemcacheKeyList.RemoveAll(t => t.RelationTableName.ToLower().Contains(tbName));
DistCache.Add(KeyDic, MemcacheKeyList);
keyList = keyList.Distinct().ToList();
foreach (var item in keyList)
{
DistCache.Remove(item);
}
}
catch
{
}
}
public void Add(string key, object value, string tbNames = "", string description = "")
{
if (value == null || string.IsNullOrWhiteSpace(key))
{
return;
}
var a = DistCache.Add(key, value);
AddKeyDic(key, tbNames, description, DistCache.DefaultExpireTime);
}
public void Add(string key, object value, int expireTime, string tbNames = "", string description = "")
{
if (value == null || string.IsNullOrWhiteSpace(key))
{
return;
}
var a = DistCache.Add(key, value, TimeSpan.FromMinutes(expireTime));
AddKeyDic(key, tbNames, description, expireTime);
}
/// <summary>
/// 使用set方式增加/更新缓存
/// </summary>
/// <param name="strKey">关键字</param>
/// <param name="objValue">值</param>
/// <param name="isSetExpireTime">true：过期时间默认为配置节defaultExpireSeconds；false：永不过期</param>
/// <param name="cacheType">缓存类型，0=memcached，1=redis</param>
/// <returns></returns>
//public static bool Set(string strKey, object objValue, bool isSetExpireTime = true, int cacheType = 1)
//{
// if (cacheType == 0)
// {
// return DistCache.Set(strKey, objValue, isSetExpireTime);
// }
// else
// {
// return RedisManager.Set<object>(strKey, objValue, isSetExpireTime);
// }
//}
public static bool Set <T>(string strKey, T objValue, bool isSetExpireTime = true, int cacheType = 1)
{
if (cacheType == 0)
{
return(DistCache.Set(strKey, objValue, isSetExpireTime));
}
else
{
return(RedisManager.Set <T>(strKey, objValue, isSetExpireTime));
}
}
public static bool SetVal(string strKey, object objValue)
{
if (lNumofMilliSeconds == 0)
{
return(DistCache.Add(strKey, objValue));
}
else
{
return(DistCache.Add(strKey, objValue, lNumofMilliSeconds));
}
}
/// <summary>
/// 使用set方式增加/更新缓存
/// </summary>
/// <param name="strKey">关键字</param>
/// <param name="objValue">值</param>
/// <param name="lNumofSeconds">过期时间，单位秒</param>
/// <param name="cacheType">缓存类型，0=memcached，1=redis</param>
/// <returns></returns>
public static bool Set(string strKey, object objValue, long lNumofSeconds, int cacheType = 1)
{
if (cacheType == 0)
{
return(DistCache.Set(strKey, objValue, lNumofSeconds));
}
else
{
return(RedisManager.Set <object>(strKey, objValue, lNumofSeconds));
}
}
//public static bool Add(string strKey, object objValue)
//{
// return DistCache.Add(strKey, objValue);
//}
/// <summary>
/// 使用add方式增加缓存（已存在则无法更新）
/// </summary>
/// <param name="strKey">关键字</param>
/// <param name="objValue">值</param>
/// <param name="isSetExpireTime">true：过期时间默认为配置节defaultExpireSeconds；false：永不过期</param>
/// <returns></returns>
public static bool Add(string strKey, object objValue, bool isSetExpireTime = true, int cacheType = 1)
{
if (cacheType == 0)
{
return(DistCache.Add(strKey, objValue, isSetExpireTime));
}
else
{
return(RedisManager.Add <object>(strKey, objValue, isSetExpireTime));
}
}
public static object Remove(string strKey, int cacheType = 1)
{
if (cacheType == 0)
{
return(DistCache.Remove(strKey));
}
else
{
return(RedisManager.Remove(strKey));
}
}
//public static IDictionary<string, object> Get(params string[] keys)
//{
// return DistCache.Get(keys);
//}
public static T Get <T>(string strKey, int cacheType = 1)
{
if (cacheType == 0)
{
return(DistCache.Get <T>(strKey));
}
else
{
return(RedisManager.Get <T>(strKey));
}
}
public bool CompressAdd(string key, object value, int expireTime, string tbNames = "", string description = "")
{
if (value == null || string.IsNullOrWhiteSpace(key))
{
return(false);
}
AddKeyDic(key, tbNames, description, expireTime);
byte[] compressData = CompressHelper.Compress(value);
var rst = DistCache.Add(key, compressData, TimeSpan.FromMinutes(expireTime));
return(rst);
}
public static bool SetVal(string strKey, RstVar objValue)
{
if (lNumofMilliSeconds == 0)
{
return(DistCache.Add(strKey, JsonHelper.Serialize(objValue)));
}
else
{
return(DistCache.Add(strKey, JsonHelper.Serialize(objValue), lNumofMilliSeconds));
}
//return DistCache.Add(strKey, JsonHelper.Serialize(objValue));
}
/// <summary>
/// 保存缓存数据至Memcached。
/// </summary>
/// <param name="key">键。</param>
/// <param name="value">要缓存的数据。</param>
/// <param name="cacheTimeout">缓存过期时间。</param>
/// <returns>缓存是否成功。</returns>
private static bool SetMemcachedValue(string key, object value, int cacheTimeout)
{
bool success = false;
int tryCount = ConfigUtil.MemcachedTryCount;
//Memcached Set/Get数据超过2s的，系统记录警告信息
System.Diagnostics.Stopwatch sw = System.Diagnostics.Stopwatch.StartNew();
for (int i = 0; i < tryCount; i++)
{
try
{
if (cacheTimeout <= 0)
{
success = DistCache.Add(key, value);
}
else
{
success = DistCache.Add(key, value, cacheTimeout * 1000);
}
if (success)
{
break;
}
LogUtil.Error(String.Format("第【{0}】次尝试向Memcached保存Key为【{1}】的数据失败！", i, key));
}
catch (Exception ex)
{
LogUtil.Error(String.Format("第【{0}】次尝试向Memcached保存Key为【{1}】的数据失败，{2}", i, key, ex.Message), ex);
}
}
//Memcached Set/Get数据超过2s的，系统记录警告信息
if (sw != null)
{
sw.Stop();
long duration = sw.ElapsedMilliseconds / 1000;
if (duration > ConfigUtil.WarnDuration)
{
LogUtil.Warn(String.Format("向Memcached保存Key为【{0}】的数据的时间超过【{1}】s！", key, ConfigUtil.WarnDuration));
}
sw = null;
}
return(success);
}
public static string GetVal(string strKey)
{
object obj = DistCache.Get(strKey);
if (obj != null)
{
return(obj.ToString());
}
else
{
return("");
}
}
public T DecompressGet <T>(string key)
{
var decompressData = DistCache.Get <byte[]>(key);
if (decompressData != null)
{
return(CompressHelper.Decompress <T>(decompressData));
}
//return default(T);
else
{
return(default(T));
}
}
public async void AsyncAddKeyDic(string key, string tbNames = "", string description = "", long expireTime = 60)
{
try
{
await Task.Delay(1);
if (string.IsNullOrWhiteSpace(key))
{
return;
}
List <MemcacheKey> MemcacheKeyList = GetMemcacheKeyLis();
if (MemcacheKeyList == null)
{
MemcacheKeyList = new List <MemcacheKey>();
}
//清除过期的key
DateTime cTime = DateTime.MinValue;
MemcacheKeyList = MemcacheKeyList.Where(k =>
{
DateTime.TryParse(k.CreateTime, out cTime);
return(cTime > DateTime.Now.AddMinutes(-1 * k.ExpireTime));
}).ToList();
var item = MemcacheKeyList.Where(m => m.Key == key).SingleOrDefault();
if (item != null)
{
item.Key = key;
item.CreateTime = DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss");
item.RelationTableName = tbNames;
item.ExpireTime = expireTime;
item.Description = description;
}
else
{
MemcacheKeyList.Add(new MemcacheKey()
{
Key = key,
CreateTime = DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss"),
RelationTableName = tbNames,
ExpireTime = expireTime,
Description = description
});
}
var a = DistCache.Add(KeyDic, MemcacheKeyList);
}
catch
{
}
}
public override void ClearAll()
{
DistCache.RemoveAll();
IList <string> keys = new List <string>();
foreach (KeyValuePair <string, string> kvp in cacheKeys)
{
keys.Add(kvp.Key);
}
foreach (string key in keys)
{
cacheKeys.Remove(key);
}
}
public void TestMethodAddSliding()
{
string key = "TestMethodAddSliding";
string value = Guid.NewGuid().ToString();
var result = DistCache.AddForSliding(key, value, TimeSpan.FromSeconds(1), ProviderName);
Assert.AreEqual(true, result);
Thread.Sleep(500);
var entity = DistCache.Get <string>(key, ProviderName);
Assert.IsNotNull(entity);
Assert.AreEqual(value, entity);
Thread.Sleep(600);
entity = DistCache.Get <string>(key, ProviderName);
Assert.IsNotNull(entity);
Assert.AreEqual(value, entity);
}
public void CheckExpire_Max_Positive_Test()
{
Debug.WriteLine("-------------CheckExpire_Max_Positive_Test()------------");
string strKey = "name";
string strValue = "Fahad";
using (CalcTimeSpan calc = new CalcTimeSpan("Time for Setting"))
{
Assert.IsTrue(DistCache.Add(strKey, strValue));
}
System.Threading.Thread.Sleep(new TimeSpan(0, 0, 5));
using (CalcTimeSpan calc = new CalcTimeSpan("Time for Getting"))
{
Assert.IsNotNull(DistCache.Get(strKey));
}
}
public override bool Add <T>(string prefix, string key, T value, TimeSpan duration)
{
lock (objLock)
{
if (duration <= TimeSpan.Zero)
{
duration = this.MaxDuration;
}
string fullName = this.GetFullName(prefix, key);
bool b1 = DistCache.Add(fullName, value);
bool b2 = cacheKeys.ContainsKey(fullName);
if (b1 && !b2)
{
cacheKeys.Add(fullName, fullName);
}
return(b1);
}
}
/// <summary>
/// 模糊匹配删除缓存
/// </summary>
/// <param name="key"></param>
public void RemoveLikeKey(string key)
{
if (string.IsNullOrWhiteSpace(key))
{
return;
}
var MemcacheKeyList = GetMemcacheKeyLis();
var keyList = MemcacheKeyList.Where(m => m.Key.ToLower().IndexOf(key.ToLower()) >= 0).Select(mm => mm.Key).ToList();
MemcacheKeyList.RemoveAll(m => keyList.Contains(m.Key));
DistCache.Add(KeyDic, MemcacheKeyList);
foreach (var item in keyList)
{
DistCache.Remove(item);
}
}
public void Get_Template_Positive_Test()
{
Debug.WriteLine("-------------Get_Template_Positive_Test()------------");
string strKey = "firstname";
string strValue = "Fahad";
string strReturned = string.Empty;
using (CalcTimeSpan calc = new CalcTimeSpan("Time for Setting"))
{
Assert.IsTrue(DistCache.Add(strKey, strValue), "Error adding value");
}
using (CalcTimeSpan calc = new CalcTimeSpan("Time for Getting"))
{
strReturned = DistCache.Get <string>(strKey);
}
Assert.IsTrue(strValue.Equals(strReturned), string.Format("Not the same: {0}", strReturned));
}
/// <summary>
/// 获取一个key数据
/// </summary>
/// <typeparam name="T">泛型数据</typeparam>
/// <param name="strKey">key</param>
/// <returns>泛型数据</returns>
public static T GetVal <T>(string strKey)
{
T t = DistCache.Get <T>(strKey);
if (t == null)
{
object obj = DistCache.Get(strKey);
if (obj == null)
{
return(t);
}
T rst = JsonHelper.Deserialize <T>(obj.ToString());
if (rst == null)
{
return(t);
}
t = rst;
}
return(t);
//return DistCache.Get<T>(strKey);
}
public override void Clear(string prefix)
{
if (string.IsNullOrWhiteSpace(prefix))
{
return;
}
IList <string> keys = new List <string>();
foreach (KeyValuePair <string, string> kvp in cacheKeys)
{
if (kvp.Key.Contains(prefix))
{
DistCache.Remove(kvp.Key);
keys.Add(kvp.Key);
}
}
foreach (string key in keys)
{
cacheKeys.Remove(key);
}
}
/// <summary>
/// 批量指定KEY清除缓存
/// </summary>
/// <param name="keys"></param>
public void RemoveKeyDic(string keys)
{
try
{
if (string.IsNullOrWhiteSpace(keys))
{
return;
}
List <MemcacheKey> MemcacheKeyList = GetMemcacheKeyLis();
var keyArray = keys.Split(',').ToList();
MemcacheKeyList.RemoveAll(m => !string.IsNullOrWhiteSpace(m.Key) && keyArray.Contains(m.Key));
DistCache.Add(KeyDic, MemcacheKeyList);
foreach (var key in keyArray)
{
if (!string.IsNullOrWhiteSpace(keys))
{
DistCache.Remove(key);
}
}
}
catch
{
}
}
public void TestMethodAdd()
{
var result = DistCache.Add("key1", "testServer", ProviderName);
Assert.AreEqual(true, result);
}