| public static GetItem ( string key, string regionName = null ) : object | ||
| key | string | /// A unique identifier for the cache entry. /// |
| regionName | string | /// Optional. A named region in the cache to which the cache entry can be added, /// if regions are implemented. The default value for the optional parameter /// is null. /// |
| return | object | |
/// <summary>
/// Gets the <see cref="CachedImage"/> associated with the specified key.
/// </summary>
/// <param name="cachedPath">
/// The cached path of the value to get.
/// </param>
/// <returns>
/// The <see cref="CachedImage"/> matching the given key if the <see cref="CacheIndexer"/> contains an element with
/// the specified key; otherwise, null.
/// </returns>
public static CachedImage Get(string cachedPath)
{
string key = Path.GetFileNameWithoutExtension(cachedPath);
CachedImage cachedImage = (CachedImage)MemCache.GetItem(key);
return(cachedImage);
}
/// <summary>
/// Gets the <see cref="CachedImage"/> associated with the specified key.
/// </summary>
/// <param name="cachedPath">
/// The cached path of the value to get.
/// </param>
/// <returns>
/// The <see cref="CachedImage"/> matching the given key if the <see cref="CacheIndexer"/> contains an element with
/// the specified key; otherwise, null.
/// </returns>
public static CachedImage GetValue(string cachedPath)
{
string key = Path.GetFileNameWithoutExtension(cachedPath);
CachedImage cachedImage = (CachedImage)MemCache.GetItem(key);
if (cachedImage == null)
{
// FileInfo is thread safe.
FileInfo fileInfo = new FileInfo(cachedPath);
if (!fileInfo.Exists)
{
return(null);
}
// Pull the latest info.
fileInfo.Refresh();
cachedImage = new CachedImage
{
Key = Path.GetFileNameWithoutExtension(cachedPath),
Path = cachedPath,
CreationTimeUtc = fileInfo.CreationTimeUtc
};
Add(cachedImage);
}
return(cachedImage);
}
/// <summary>
/// Gets the <see cref="CachedImage"/> associated with the specified key.
/// </summary>
/// <param name="cachedPath">
/// The cached path of the value to get.
/// </param>
/// <returns>
/// The <see cref="CachedImage"/> matching the given key if the <see cref="CacheIndexer"/> contains an element with
/// the specified key; otherwise, null.
/// </returns>
public static async Task <CachedImage> GetValueAsync(string cachedPath)
{
string key = Path.GetFileNameWithoutExtension(cachedPath);
CachedImage cachedImage = (CachedImage)MemCache.GetItem(key);
if (cachedImage == null)
{
cachedImage = await TaskHelpers.Run(() => GetCachedImage(cachedPath));
if (cachedImage != null)
{
Add(cachedImage);
}
}
return(cachedImage);
}
