/// <summary>
/// Gets all cache keys, optionally matching the provided pattern.
/// WARNING: THIS IS A VERY EXPENSIVE OPERATION FOR LARGE CACHES. USE WITH CAUTION.
/// </summary>
/// <param name="pattern">The search pattern (RegEx). Optional. If not specified, the default of "*" is used to indicate match all.</param>
/// <returns>The list of cache keys matching the provided pattern.</returns>
public List <string> GetCacheKeys(string pattern = "*")
{
// Sanitize
if (string.IsNullOrWhiteSpace(pattern))
{
return(null);
}
// Get the values
var cacheKeys = _memCache.Keys(pattern);
if (cacheKeys == null)
{
return(null);
}
return(cacheKeys);
}
/// <summary>
/// Gets all the keys in the cache.
/// WARNING: THIS IS A VERY EXPENSIVE OPERATION FOR LARGE CACHES. USE WITH CAUTION.
/// </summary>
/// <param name="pattern">The regular expression search pattern. If no pattern is provided, default "*" (all) is used.</param>
public List <string> Keys(string pattern)
{
return(_memCache.Keys(pattern));
}