public virtual object Purge(object key)
{
long longKey = (((long)key));
LRULongCache.Entry entry = (LRULongCache.Entry)_slots.Remove(longKey);
if (entry == null)
{
return(null);
}
_size--;
if (_first == entry)
{
_first = entry._next;
}
if (_last == entry)
{
_last = entry._previous;
}
if (entry._previous != null)
{
entry._previous._next = entry._next;
}
if (entry._next != null)
{
entry._next._previous = entry._previous;
}
return((object)entry._value);
}
public bool MoveNext()
{
if (this._cursor == null)
{
this._current = null;
return(false);
}
this._current = this._cursor;
this._cursor = this._cursor._next;
return(true);
}
public virtual object Produce(object key, IFunction4 producer, IProcedure4 finalizer
)
{
long longKey = (((long)key));
if (_last == null)
{
object lastValue = producer.Apply(((long)key));
if (lastValue == null)
{
return null;
}
_size = 1;
LRULongCache.Entry lastEntry = new LRULongCache.Entry(longKey, lastValue);
_slots.Put(longKey, lastEntry);
_first = lastEntry;
_last = lastEntry;
return lastValue;
}
LRULongCache.Entry entry = (LRULongCache.Entry)_slots.Get(longKey);
if (entry == null)
{
if (_size >= _maxSize)
{
LRULongCache.Entry oldEntry = (LRULongCache.Entry)_slots.Remove(_last._key);
_last = oldEntry._previous;
_last._next = null;
if (null != finalizer)
{
finalizer.Apply((object)oldEntry._value);
}
_size--;
}
object newValue = producer.Apply(((long)key));
if (newValue == null)
{
return null;
}
_size++;
LRULongCache.Entry newEntry = new LRULongCache.Entry(longKey, newValue);
_slots.Put(longKey, newEntry);
_first._previous = newEntry;
newEntry._next = _first;
_first = newEntry;
return newValue;
}
if (_first == entry)
{
return ((object)entry._value);
}
LRULongCache.Entry previous = entry._previous;
entry._previous = null;
if (_last == entry)
{
_last = previous;
}
previous._next = entry._next;
if (previous._next != null)
{
previous._next._previous = previous;
}
_first._previous = entry;
entry._next = _first;
_first = entry;
return ((object)entry._value);
}
public virtual object Purge(object key)
{
long longKey = (((long)key));
LRULongCache.Entry entry = (LRULongCache.Entry)_slots.Remove(longKey);
if (entry == null)
{
return null;
}
_size--;
if (_first == entry)
{
_first = entry._next;
}
if (_last == entry)
{
_last = entry._previous;
}
if (entry._previous != null)
{
entry._previous._next = entry._next;
}
if (entry._next != null)
{
entry._next._previous = entry._previous;
}
return ((object)entry._value);
}
public void Reset()
{
this._cursor = this._enclosing._first;
this._current = null;
}
public bool MoveNext()
{
if (this._cursor == null)
{
this._current = null;
return false;
}
this._current = this._cursor;
this._cursor = this._cursor._next;
return true;
}
public virtual object Produce(object key, IFunction4 producer, IProcedure4 finalizer
)
{
long longKey = (((long)key));
if (_last == null)
{
object lastValue = producer.Apply(((long)key));
if (lastValue == null)
{
return(null);
}
_size = 1;
LRULongCache.Entry lastEntry = new LRULongCache.Entry(longKey, lastValue);
_slots.Put(longKey, lastEntry);
_first = lastEntry;
_last = lastEntry;
return(lastValue);
}
LRULongCache.Entry entry = (LRULongCache.Entry)_slots.Get(longKey);
if (entry == null)
{
if (_size >= _maxSize)
{
LRULongCache.Entry oldEntry = (LRULongCache.Entry)_slots.Remove(_last._key);
_last = oldEntry._previous;
_last._next = null;
if (null != finalizer)
{
finalizer.Apply((object)oldEntry._value);
}
_size--;
}
object newValue = producer.Apply(((long)key));
if (newValue == null)
{
return(null);
}
_size++;
LRULongCache.Entry newEntry = new LRULongCache.Entry(longKey, newValue);
_slots.Put(longKey, newEntry);
_first._previous = newEntry;
newEntry._next = _first;
_first = newEntry;
return(newValue);
}
if (_first == entry)
{
return((object)entry._value);
}
LRULongCache.Entry previous = entry._previous;
entry._previous = null;
if (_last == entry)
{
_last = previous;
}
previous._next = entry._next;
if (previous._next != null)
{
previous._next._previous = previous;
}
_first._previous = entry;
entry._next = _first;
_first = entry;
return((object)entry._value);
}
public void Reset()
{
this._cursor = this._enclosing._first;
this._current = null;
}