public void Remove(CacheKey key, IReplaceableCache cache)
{
if (cache.AlgorithmData != null && key != null)
{
cache.AlgorithmData.Remove(key);
}
}
public void Get(CacheKey key, IReplaceableCache cache)
{
if (cache.AlgorithmData != null && key != null)
{
cache.AlgorithmData.MoveToHead(key);
}
}
public CacheKey[] Replace(IReplaceableCache cache)
{
CacheKey[] items;
// cache does not exceed maximum count, do not replace
if (cache.Count() <= cache.MaxCount())
{
return null;
}
else
{
// cache count exceeds max entries, remove from the end of queue
int itemCountToReplace = (int) (cache.Count() - cache.MaxCount());
items = new CacheKey[itemCountToReplace];
for (int i = itemCountToReplace - 1; i >= 0; i--)
{
items[i] = cache.AlgorithmData.RemoveFromTail();
}
}
// to do: remove cache entries has been expired
return items;
}
public void Add(CacheSummary[] summarys, IReplaceableCache cache)
{
if (summarys == null || cache == null)
{
return;
}
foreach (CacheSummary summary in summarys)
{
cache.AlgorithmData.AddToHead(summary);
}
}
