public virtual MruNode <V> Add(V item)
{
var node = new MruNode <V>(item, this);
try
{
SlimLock.EnterWriteLock();
node.Next = Head;
Tail = Tail ?? node;
if (Head != null)
{
Head.Previous = node;
}
Head = node;
ItemCount++;
if (ItemCount > Limit)
{
var deleted = Tail;
if (Tail != null)
{
Tail = Tail.Previous;
deleted.Erase();
}
ItemCount--;
}
}
finally
{
SlimLock.ExitWriteLock();
}
return(node);
}
public void Remove(TKey key)
{
try
{
SlimLock.EnterWriteLock();
TValue value;
Dictionary.TryRemove(key, out value);
}
finally
{
SlimLock.ExitWriteLock();
}
}
public virtual void Clear()
{
try
{
SlimLock.EnterWriteLock();
var node = Head;
while (node != null)
{
var old = node;
node = node.Next;
old.Erase();
}
ItemCount = 0;
Head = null;
Tail = null;
}
finally
{
SlimLock.ExitWriteLock();
}
}