public void clear()
{
while (true)
{
Cacheable oldest = retrievedItems.pop();
if (oldest == null)
{
available = size;
return;
}
oldest.unlink();
oldest.unlinkCacheable();
}
}
public void put(Cacheable item, long key)
{
if (available == 0)
{
Cacheable oldest = retrievedItems.pop();
oldest.unlink();
oldest.unlinkCacheable();
if (oldest == empty)
{
Cacheable secondOldest = retrievedItems.pop();
secondOldest.unlink();
secondOldest.unlinkCacheable();
}
}
else
{
available--;
}
hashmap.put(key, item);
retrievedItems.push(item);
return;
}