/// <summary>
/// 获取缓存配置实例。
/// </summary>
/// <param name="key">缓存键。</param>
/// <param name="dependency">缓存依赖项。</param>
/// <returns>返回缓存配置实例。</returns>
protected StorageCache GetCache(object key, IStorageCacheDependency dependency)
{
var hashedKey = GetCacheKey(key);
var cache = _cache.GetOrCreate(hashedKey, ctx =>
{
ctx.SetAbsoluteExpiration(Cores.DefaultCacheExpiration);
return(_db.Find(hashedKey));
});
if (cache == null)
{
return(null);
}
if (dependency?.IsEqual(cache.Dependency) == false ||
cache.ExpiredDate != null && cache.ExpiredDate < DateTimeOffset.Now)
{
Remove(hashedKey);
return(null);
}
return(cache);
}
/// <summary>
/// 获取缓存配置实例。
/// </summary>
/// <param name="key">缓存键。</param>
/// <param name="dependency">缓存依赖项。</param>
/// <returns>返回缓存配置实例。</returns>
protected async Task <StorageCache> GetCacheAsync(object key, IStorageCacheDependency dependency)
{
var hashedKey = GetCacheKey(key);
var cache = await _cache.GetOrCreateAsync(hashedKey, async ctx =>
{
ctx.SetAbsoluteExpiration(Cores.DefaultCacheExpiration);
return(await _db.FindAsync(hashedKey));
});
if (cache == null)
{
return(null);
}
if (dependency?.IsEqual(cache.Dependency) == false ||
cache.ExpiredDate != null && cache.ExpiredDate < DateTimeOffset.Now)
{
await RemoveAsync(hashedKey);
return(null);
}
return(cache);
}
