internal BasicSimScorer(SimilarityBase outerInstance, BasicStats stats, NumericDocValues norms)
{
this.OuterInstance = outerInstance;
this.Stats = stats;
this.Norms = norms;
}
internal BasicSimScorer(SimilarityBase outerInstance, BasicStats stats, NumericDocValues norms)
{
this.OuterInstance = outerInstance;
this.Stats = stats;
this.Norms = norms;
}
private Explanation ExplainScore(int doc, Explanation freq, IDFStats stats, NumericDocValues norms)
{
Explanation result = new Explanation();
result.Description = "score(doc=" + doc + ",freq=" + freq + "), product of:";
// explain query weight
Explanation queryExpl = new Explanation();
queryExpl.Description = "queryWeight, product of:";
Explanation boostExpl = new Explanation(stats.QueryBoost, "boost");
if (stats.QueryBoost != 1.0f)
{
queryExpl.AddDetail(boostExpl);
}
queryExpl.AddDetail(stats.Idf);
Explanation queryNormExpl = new Explanation(stats.QueryNorm, "queryNorm");
queryExpl.AddDetail(queryNormExpl);
queryExpl.Value = boostExpl.Value * stats.Idf.Value * queryNormExpl.Value;
result.AddDetail(queryExpl);
// explain field weight
Explanation fieldExpl = new Explanation();
fieldExpl.Description = "fieldWeight in " + doc + ", product of:";
Explanation tfExplanation = new Explanation();
tfExplanation.Value = Tf(freq.Value);
tfExplanation.Description = "tf(freq=" + freq.Value + "), with freq of:";
tfExplanation.AddDetail(freq);
fieldExpl.AddDetail(tfExplanation);
fieldExpl.AddDetail(stats.Idf);
Explanation fieldNormExpl = new Explanation();
float fieldNorm = norms != null ? DecodeNormValue(norms.Get(doc)) : 1.0f;
fieldNormExpl.Value = fieldNorm;
fieldNormExpl.Description = "fieldNorm(doc=" + doc + ")";
fieldExpl.AddDetail(fieldNormExpl);
fieldExpl.Value = tfExplanation.Value * stats.Idf.Value * fieldNormExpl.Value;
result.AddDetail(fieldExpl);
// combine them
result.Value = queryExpl.Value * fieldExpl.Value;
if (queryExpl.Value == 1.0f)
{
return fieldExpl;
}
return result;
}
internal TFIDFSimScorer(TFIDFSimilarity outerInstance, IDFStats stats, NumericDocValues norms)
{
this.OuterInstance = outerInstance;
this.Stats = stats;
this.WeightValue = stats.Value;
this.Norms = norms;
}
public SortedDocValuesAnonymousInnerClassHelper(FSTEntry entry, NumericDocValues docToOrd, FST<long?> fst, FST.BytesReader @in, FST.Arc<long?> firstArc, FST.Arc<long?> scratchArc, IntsRef scratchInts, BytesRefFSTEnum<long?> fstEnum)
{
this.Entry = entry;
this.DocToOrd = docToOrd;
this.Fst = fst;
this.@in = @in;
this.FirstArc = firstArc;
this.ScratchArc = scratchArc;
this.ScratchInts = scratchInts;
this.FstEnum = fstEnum;
}