unsafe public DocumentResultWhereDictionary OrMerge(DocumentResultWhereDictionary fst, DocumentResultWhereDictionary sec)
{
if (fst == null)
{
return(sec);
}
if (sec == null)
{
return(fst);
}
foreach (int docid in sec.Keys)
{
if (fst.ContainsKey(docid))
{
fst.Update(docid, fst[docid].Score + sec[docid].Score);
}
else
{
fst.Add(docid, sec[docid]);
}
}
return(fst);
}
/// <summary>
/// And merge when the Not property is ture of fst or sec.
/// </summary>
/// <param name="fst"></param>
/// <param name="sec"></param>
/// <returns></returns>
public DocumentResultWhereDictionary AndMergeForNot(DocumentResultWhereDictionary fst, DocumentResultWhereDictionary sec)
{
if (fst == null)
{
return(sec);
}
if (sec == null)
{
return(fst);
}
if (fst.Count > sec.Count)
{
//Swap input dictionaries
//Let fst count less than sec
DocumentResultWhereDictionary temp;
temp = fst;
fst = sec;
sec = temp;
}
if (fst.Not && sec.Not)
{
foreach (int key in fst.Keys)
{
if (!sec.ContainsKey(key))
{
sec.Add(key, fst[key]);
}
}
sec.RelTotalCount = sec.Count;
return(sec);
}
else
{
DocumentResultWhereDictionary yes;
DocumentResultWhereDictionary not;
if (fst.Not)
{
yes = sec;
not = fst;
}
else
{
yes = fst;
not = sec;
}
foreach (int key in not.Keys)
{
yes.Remove(key);
}
yes.RelTotalCount = yes.Count;
return(yes);
}
}