private static bool removeFromExpireCache(DateTime k, string v)
{
if (!ExpireCache.ContainsKey(k))
{
return(false);
}
var ls = ExpireCache[k];
if (ls == null)
{
return(false);
}
return(ls.Remove(v));
}
private static void addToExpireCache(DateTime k, string v)
{
HashSet <string> ls = null;
if (ExpireCache.ContainsKey(k))
{
ls = ExpireCache[k];
}
else
{
ls = new HashSet <string>();
ExpireCache.Add(k, ls);
}
ls.Add(v);
}