/**
* updates the request ranking
*/
private void updateRequest(PointingNode pNode, Url newRequest)
{
if (pNode == null || newRequest == null)
{
return;
}
LinkedListNode <RankNode> pLinkNode = pNode.getRankNode();
// the request has been token before
if (pLinkNode == null)
{
return;
}
pLinkNode.Value.addReference(newRequest.getRank());
int newRank = Convert.ToInt32(pLinkNode.Value.calcRank());
if (newRank != pNode.getRankTableEntry().getRankLevel())
{
RankNode rankNode = pLinkNode.Value;
pNode.getRankTableEntry().removeNode(pLinkNode);
pNode.setRankTableEntry(_rankLevels[newRank]);
LinkedListNode <RankNode> newNode = pNode.getRankTableEntry().addFirstNode(rankNode);
pNode.setRankNode(newNode);
//if (newRank < _minRank) _minRank = newRank;
//if (newRank > _maxRank) _maxRank = newRank;
update();
}
}
/**
* returns the max ranked element (pop)
*/
public Url pop()
{
if (_count <= 0)
{
return(null);
}
RankNode rankNode = _rankLevels[_maxRank].readFirstNode();
_rankLevels[_maxRank].removeFirstNode();
bool match = _urlTrie.Matcher.NewMatch(rankNode.getRequest().getUrl().Trim());
if (match == true)
{
PointingNode pNode = _urlTrie.Matcher.GetExactMatch();
pNode.setRankTableEntry(null);
pNode.setRankNode(null);
}
_count--;
update();
Url request = rankNode.getRequest();
int rank = Convert.ToInt32(rankNode.calcRank());
return(new Url(request.getUrl(), request.getUrlHashCode(), rank, request.getDomain(), request.getDomainHashCode()));
}
/**
* adds the specfied node to the members of this level, and returns reference
* to the warpper node
*/
public LinkedListNode <RankNode> addFirstNode(RankNode rankNode)
{
return(_nodeList.AddFirst(rankNode));
}
/**
* adds the specfied node to the members of this level, and returns reference
* to the warpper node
*/
public LinkedListNode<RankNode> addFirstNode(RankNode rankNode)
{
return _nodeList.AddFirst(rankNode);
}
