public override Explanation Explain(Weight weight, int doc)
{
int n = ReaderUtil.SubIndex(doc, docStarts);
int deBasedDoc = doc - docStarts[n];
return(weight.Explain(subReaders[n], deBasedDoc));
}
public override Explanation Explain(IndexReader reader, int doc)
{
int minShouldMatch = Enclosing_Instance.MinimumNumberShouldMatch;
ComplexExplanation sumExpl = new ComplexExplanation();
sumExpl.Description = "sum of:";
int coord = 0;
int maxCoord = 0;
float sum = 0.0f;
bool fail = false;
int shouldMatchCount = 0;
System.Collections.Generic.IEnumerator <BooleanClause> cIter = Enclosing_Instance.clauses.GetEnumerator();
for (System.Collections.Generic.IEnumerator <Weight> wIter = weights.GetEnumerator(); wIter.MoveNext();)
{
cIter.MoveNext();
Weight w = wIter.Current;
BooleanClause c = cIter.Current;
if (w.Scorer(reader, true, true) == null)
{
continue;
}
Explanation e = w.Explain(reader, doc);
if (!c.IsProhibited)
{
maxCoord++;
}
if (e.IsMatch)
{
if (!c.IsProhibited)
{
sumExpl.AddDetail(e);
sum += e.Value;
coord++;
}
else
{
Explanation r = new Explanation(0.0f, "match on prohibited clause (" + c.Query.ToString() + ")");
r.AddDetail(e);
sumExpl.AddDetail(r);
fail = true;
}
if (c.Occur == Occur.SHOULD)
{
shouldMatchCount++;
}
}
else if (c.IsRequired)
{
Explanation r = new Explanation(0.0f, "no match on required clause (" + c.Query.ToString() + ")");
r.AddDetail(e);
sumExpl.AddDetail(r);
fail = true;
}
}
if (fail)
{
System.Boolean tempAux = false;
sumExpl.Match = tempAux;
sumExpl.Value = 0.0f;
sumExpl.Description = "Failure to meet condition(s) of required/prohibited clause(s)";
return(sumExpl);
}
else if (shouldMatchCount < minShouldMatch)
{
System.Boolean tempAux2 = false;
sumExpl.Match = tempAux2;
sumExpl.Value = 0.0f;
sumExpl.Description = "Failure to match minimum number " + "of optional clauses: " + minShouldMatch;
return(sumExpl);
}
sumExpl.Match = 0 < coord?true:false;
sumExpl.Value = sum;
float coordFactor = similarity.Coord(coord, maxCoord);
if (coordFactor == 1.0f)
{
// coord is no-op
return(sumExpl);
}
// eliminate wrapper
else
{
ComplexExplanation result = new ComplexExplanation(sumExpl.IsMatch, sum * coordFactor, "product of:");
result.AddDetail(sumExpl);
result.AddDetail(new Explanation(coordFactor, "coord(" + coord + "/" + maxCoord + ")"));
return(result);
}
}
public override Explanation Explain(Weight weight, int doc)
{
int n = ReaderUtil.SubIndex(doc, docStarts);
int deBasedDoc = doc - docStarts[n];
return weight.Explain(subReaders[n], deBasedDoc);
}
