internal static Tuple <PositionalPostingList, PositionalPostingList> PositionalIntersect(PositionalPostingList ppList1, PositionalPostingList ppList2, int k)
{
PositionalPostingList nPPList1 = new PositionalPostingList(ppList1.Word);
PositionalPostingList nPPList2 = new PositionalPostingList(ppList2.Word);
List <DocWordPositionList> p1 = ppList1.DocWordPositions;
List <DocWordPositionList> p2 = ppList2.DocWordPositions;
int i = 0, j = 0;
while (i < p1.Count && j < p2.Count)
{
if (p1.ElementAt(i).DocId == p2.ElementAt(i).DocId)
{
Tuple <DocWordPositionList, DocWordPositionList> result = DocWordPositionList.PositionalIntersect(p1.ElementAt(i), p2.ElementAt(i), k);
nPPList1.AddDoc(result.Item1);
nPPList2.AddDoc(result.Item2);
i++;
j++;
}
else if (p1.ElementAt(i).DocId < p2.ElementAt(i).DocId)
{
i++;
}
else
{
j++;
}
}
return(new Tuple <PositionalPostingList, PositionalPostingList>(nPPList1, nPPList2));
}
public void AddDoc(DocWordPositionList doc)
{
DocWordPositions.Add(doc);
}
internal static Tuple <DocWordPositionList, DocWordPositionList> PositionalIntersect(DocWordPositionList dwp1, DocWordPositionList dwp2, int k)
{
Tuple <PList, PList> result = PList.PositionalIntersect(dwp1.PostingList, dwp2.PostingList, k);
return(new Tuple <DocWordPositionList, DocWordPositionList>(new DocWordPositionList(dwp1.DocId, result.Item1), new DocWordPositionList(dwp2.DocId, result.Item2)));
}
