public string LockStringGet(ScdCacheKey cacheKey)
{
string lockName = "lockKey_" + cacheKey.ToString();
string lockToken = Guid.NewGuid().ToString();
if (AcquireLock(lockName, lockToken))
{
try
{
var rValue = _db.StringGet(cacheKey.ToString());
if (!rValue.HasValue)
{
return(null);
}
var result = Deserialize <string>(rValue);
return(result);
}
finally
{
_db.LockRelease(lockName, lockToken);
}
}
else
{
return(null);
}
}
public void Set(ScdCacheKey key, object data, double cacheTime)
{
// 此处写入文件日志计算Redis的key以及操作对应的次数
var entryBytes = data == null ? new byte[0] : Serialize(data);
XFileLoger.WriteLogEx("RedisNullCacheSet_" + key, CommonHelper.ConvertBytes(entryBytes.Length));
var expiresIn = TimeSpan.FromMinutes(cacheTime);
_db.StringSet(key.ToString(), entryBytes, expiresIn);
}
public void Remove(ScdCacheKey key)
{
var items = GetItems();
if (items == null)
{
return;
}
items.Remove(key.ToString());
}
public bool IsSet(ScdCacheKey key)
{
var items = GetItems();
if (items == null)
{
return(false);
}
return(items[key.ToString()] != null);
}
public TResult Get <TResult>(ScdCacheKey key)
{
var items = GetItems();
if (items == null)
{
return(default(TResult));
}
return((TResult)items[key.ToString()]);
}
public void AddCache(ScdCacheKey key, object value, string dependencyFile)
{
if (!IsSet(key))
{
CacheItemPolicy policy = new CacheItemPolicy();
List <string> filePath = new List <string>();
filePath.Add(dependencyFile);
policy.ChangeMonitors.Add(new HostFileChangeMonitor(filePath));
Cache.Set(key.ToString(), value, policy);
}
}
public void Set(ScdCacheKey key, object data, double cacheTime)
{
if (data == null)
{
return;
}
var policy = new CacheItemPolicy();
policy.AbsoluteExpiration = DateTime.Now + TimeSpan.FromMinutes(cacheTime);
Cache.Add(new CacheItem(key.ToString(), data), policy);
}
/// <summary>
/// Get a cached item. If it's not in the cache yet, then load and cache it
/// </summary>
/// <typeparam name="T">Type</typeparam>
/// <param name="cacheManager">Cache manager</param>
/// <param name="key">Cache key</param>
/// <param name="cacheTime">Cache time in minutes (0 - do not cache)</param>
/// <param name="acquire">Function to load item if it's not in the cache yet</param>
/// <returns>Cached item</returns>
public static T Get <T>(this ICacheManager cacheManager, ScdCacheKey key, double cacheTime, Func <T> acquire)
{
if (cacheManager.IsSet(key))
{
return(cacheManager.Get <T>(key));
}
var result = acquire();
if (cacheTime > 0)
{
cacheManager.Set(key, result, cacheTime);
}
return(result);
}
public TResult Get <TResult>(ScdCacheKey key)
{
var rValue = _db.StringGet(key.ToString());
if (!rValue.HasValue)
{
// 此处写入文件日志计算Redis的key以及操作对应的次数
XFileLoger.WriteLogEx("RedisCacheGet_" + key, "NoData");
return(default(TResult));
}
// 此处写入文件日志计算Redis的key以及操作对应的次数
XFileLoger.WriteLogEx("RedisCacheGet_" + key, CommonHelper.ConvertBytes(((byte[])rValue).Length));
var result = Deserialize <TResult>(rValue);
return(result);
}
public void Set(ScdCacheKey key, object data, double cacheTime)
{
var items = GetItems();
if (items == null)
{
return;
}
if (data != null)
{
if (items.Contains(key.ToString()))
{
items[key.ToString()] = data;
}
else
{
items.Add(key.ToString(), data);
}
}
}
public void LockStringSet(ScdCacheKey cacheKey, string vlaue)
{
string lockName = "lockKey_" + cacheKey.ToString();
string lockToken = Guid.NewGuid().ToString();
if (AcquireLock(lockName, lockToken))
{
try
{
var entryBytes = Serialize(vlaue);
var expiresIn = TimeSpan.FromMinutes(10);
_db.StringSet(cacheKey.ToString(), entryBytes, expiresIn);
}
finally
{
_db.LockRelease(lockName, lockToken);
}
}
}
public bool IsSet(ScdCacheKey key)
{
return(_db.KeyExists(key.ToString()));
}
public void Remove(ScdCacheKey key)
{
_db.KeyDelete(key.ToString());
}
public bool IsSet(ScdCacheKey key)
{
return(Cache.Contains(key.ToString()));
}
public void Remove(ScdCacheKey key)
{
Cache.Remove(key.ToString());
}
/// <summary>
/// ScdCachekey
/// </summary>
/// <param name="keyFormat">keyFormart 如"site.user_{0}_{1}"</param>
/// <param name="args">keyFormat的参数，可选</param>
public static ScdCacheKey GetCacheKey(string keyFormat, params string[] args)
{
var cachekey = new ScdCacheKey(keyFormat, args);
return(cachekey);
}
public TResult Get <TResult>(ScdCacheKey key)
{
return((TResult)Cache[key.ToString()]);
}
/// <summary>
/// Get a cached item. If it's not in the cache yet, then load and cache it
/// </summary>
/// <typeparam name="T">Type</typeparam>
/// <param name="cacheManager">Cache manager</param>
/// <param name="key">Cache key</param>
/// <param name="acquire">Function to load item if it's not in the cache yet</param>
/// <returns>Cached item</returns>
public static T Get <T>(this ICacheManager cacheManager, ScdCacheKey key, Func <T> acquire)
{
return(Get(cacheManager, key, 60, acquire));
}
