/// <summary>
/// Cache objects for a specified amount of time
/// </summary>
/// <param name="key">The cache key</param>
/// <param name="data">Object / Data to cache</param>
/// <param name="minutesToCache">How many minutes to cache them for</param>
public void Set(string key, object data, CacheTimes minutesToCache)
{
var policy = new CacheItemPolicy
{
AbsoluteExpiration = DateTime.UtcNow + TimeSpan.FromMinutes((int)minutesToCache)
};
Cache.Add(new CacheItem(key, data), policy);
}
public T Get <T>(string key, CacheTimes cacheTime, Func <T> acquire)
{
if (IsSet(key))
{
return(Get <T>(key));
}
var result = acquire();
if (cacheTime > 0)
{
Set(key, result, CacheTimes.OneHour);
}
return(result);
}
/// <summary>
/// 获取数据并设置缓存。
/// 当缓存不存在是执行 acquire方法获取数据并设置缓存。
/// </summary>
/// <typeparam name="T">缓存类型</typeparam>
/// <param name="cacheManager">缓存提供程序</param>
/// <param name="key">键值</param>
/// <param name="cacheTime">缓存时间</param>
/// <param name="acquire">缓存为空时获取缓存的方法</param>
/// <returns></returns>
public static T Get <T>(this ObjCacheProvider cacheManager, string key, CacheTimes cacheTime, Func <T> acquire)
{
if (cacheManager.IsSet(key))
{
var value = cacheManager.GetCache <T>(key);
if (value != null)
{
return(value);
}
}
var result = acquire();
if (result != null)
{
cacheManager.Set(key, result, cacheTime);
}
return(result);
}
/// <summary> /// 创建缓存 /// </summary> /// <param name="key">缓存键</param> /// <param name="val">缓存值</param> /// <param name="expire">缓存时间</param> /// <returns></returns> public void Set(string key, object val, CacheTimes expire) => CacheContext.Set(key, val, expire);
/// <summary> /// 设置缓存项 /// </summary> /// <typeparam name="T">缓存对象类型</typeparam> /// <param name="key">键</param> /// <param name="data">缓存对象</param> /// <param name="minutesToCache">缓存时间</param> public abstract void Set(string key, object data, CacheTimes minutesToCache);
/// <summary>
/// Cache objects for a specified amount of time
/// </summary>
/// <param name="key">The cache key</param>
/// <param name="data">Object / Data to cache</param>
/// <param name="minutesToCache">How many minutes to cache them for</param>
public void Set(string key, object data, CacheTimes minutesToCache)
{
}
