public _IEnumerator_121(CircularBuffer4 _enclosing, int head, int tail)
{
this._enclosing = _enclosing;
this.head = head;
this.tail = tail;
this._index = head;
this._current = Iterators.NoElement;
}
internal LRU2QCache(int maxSize)
{
_maxSize = maxSize;
_a1_threshold = _maxSize / 4;
_am = new CircularBuffer4(_maxSize);
_a1 = new CircularBuffer4(_maxSize);
_slots = new Hashtable(maxSize);
}
public LRU2QXCache(int maxSize)
{
// 'eden': long-term lru queue
// 'nursery': short-term fifo queue, entry point for all new items
// 'backlog': fifo queue, elements may not be backed in _slots or may overlap with _am
// invariant: |_slots| = |_am| + |_a1in| <= _maxSize
_maxSize = maxSize;
_inSize = _maxSize / 4;
_slots = new Hashtable(_maxSize);
_am = new CircularBuffer4(_maxSize);
_a1in = new CircularBuffer4(_maxSize);
_a1out = new CircularBuffer4(_maxSize / 2);
}
internal LRUCache(int size)
{
_maxSize = size;
_slots = new Hashtable(size);
_lru = new CircularBuffer4(size);
}
public _IEnumerator_121(CircularBuffer4 _enclosing, int head, int tail)
{
this._enclosing = _enclosing;
this.head = head;
this.tail = tail;
this._index = head;
this._current = Iterators.NoElement;
}
private void DiscardPageFrom(CircularBuffer4 list, IProcedure4 finalizer)
{
Discard(list.RemoveLast(), finalizer);
}
