public override TItem Get(string key)
{
if (!Store.ContainsKey(key))
{
return(null);
}
Keys.Remove(key);
Keys.AddLast(key);
return(Store[key]);
}
public override void Put(string key, TItem value)
{
if (!Store.ContainsKey(key))
{
if (Store.Count == MaxSize)
{
// remove first key (the oldest)
string keyToRemove = Keys.First();
Keys.RemoveFirst();
Store.Remove(keyToRemove);
}
Keys.AddLast(key);
Store.Add(key, value);
}
else
{
Keys.Remove(key);
Keys.AddLast(key);
Store[key] = value;
}
}
public override void Put(string key, TItem value)
{
if (!Store.ContainsKey(key))
{
if (Store.Count < MaxSize)
{
Store.Add(key, value);
Keys.AddLast(key);
}
else
{
string firstKey = Keys.First();
Keys.RemoveFirst();
Store.Remove(firstKey);
}
}
else
{
Keys.Remove(key);
Keys.AddLast(key);
Store[key] = value;
}
}