/// <summary>Adds cache tags corresponding to a cached key in the CacheTags dictionary.</summary>
/// <param name="cacheKey">The cache key.</param>
/// <param name="tags">A variable-length parameters list containing tags corresponding to the <paramref name="cacheKey" />.</param>
internal static void AddCacheTag(string cacheKey, params string[] tags)
{
foreach (var tag in tags)
{
CacheTags.AddOrUpdate(CachePrefix + tag, x => new List <string> {
cacheKey
}, (x, list) =>
{
if (!list.Contains(cacheKey))
{
list.Add(cacheKey);
}
return(list);
});
}
}
/// <summary>Adds cache tags corresponding to a cached key in the CacheTags dictionary.</summary>
/// <param name="cacheKey">The cache key.</param>
/// <param name="tags">A variable-length parameters list containing tags corresponding to the <paramref name="cacheKey" />.</param>
internal static void AddCacheTag(string cacheKey, params string[] tags)
{
foreach (var tag in tags)
{
CacheTags.AddOrUpdate(CachePrefix + tag, x => new List <string> {
cacheKey
}, (x, list) =>
{
lock (list)
{
// never lock something related to this list elsewhere or ensure we don't create a deadlock
if (!list.Contains(cacheKey))
{
list.Add(cacheKey);
}
}
return(list);
});
}
}
