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public virtual Explanation Explain(IndexReader indexReader, int docid, Explanation innerExplaination) { if (!(indexReader is BoboIndexReader)) throw new ArgumentException("IndexReader is not BoboIndexReader"); BoboIndexReader reader = (BoboIndexReader)indexReader; Explanation exp = new Explanation(); exp.Description = "FacetBasedBoost"; float boost = 1.0f; foreach (var boostEntry in _boostMaps) { string facetName = boostEntry.Key; IFacetHandler handler = reader.GetFacetHandler(facetName); if (!(handler is IFacetScoreable)) throw new ArgumentException(facetName + " does not implement IFacetScoreable"); IFacetScoreable facetScoreable = (IFacetScoreable)handler; BoboDocScorer scorer = facetScoreable.GetDocScorer(reader, _scoringFunctionFactory, boostEntry.Value); float facetBoost = scorer.Score(docid); Explanation facetExp = new Explanation(); facetExp.Description = facetName; facetExp.Value = facetBoost; facetExp.AddDetail(scorer.Explain(docid)); boost *= facetBoost; exp.AddDetail(facetExp); } exp.Value = boost; exp.AddDetail(innerExplaination); return exp; }
/// <summary>Explain the score of a document.</summary> /// <todo> Also show the total score. </todo> /// <summary> See BooleanScorer.explain() on how to do this. /// </summary> public override Explanation Explain(int doc) { Explanation res = new Explanation(); res.SetDescription("required, optional"); res.AddDetail(reqScorer.Explain(doc)); res.AddDetail(optScorer.Explain(doc)); return res; }
public override Explanation Explain(IndexReader reader, int doc) { ComplexExplanation result = new ComplexExplanation(); result.SetDescription("weight(" + GetQuery() + " in " + doc + "), product of:"); System.String field = ((SpanQuery) GetQuery()).GetField(); Explanation idfExpl = new Explanation(idf, "idf(" + field + ": " + idfExp.Explain() + ")"); // explain query weight Explanation queryExpl = new Explanation(); queryExpl.SetDescription("queryWeight(" + GetQuery() + "), product of:"); Explanation boostExpl = new Explanation(GetQuery().GetBoost(), "boost"); if (GetQuery().GetBoost() != 1.0f) queryExpl.AddDetail(boostExpl); queryExpl.AddDetail(idfExpl); Explanation queryNormExpl = new Explanation(queryNorm, "queryNorm"); queryExpl.AddDetail(queryNormExpl); queryExpl.SetValue(boostExpl.GetValue() * idfExpl.GetValue() * queryNormExpl.GetValue()); result.AddDetail(queryExpl); // explain field weight ComplexExplanation fieldExpl = new ComplexExplanation(); fieldExpl.SetDescription("fieldWeight(" + field + ":" + query.ToString(field) + " in " + doc + "), product of:"); Explanation tfExpl = Scorer(reader, true, false).Explain(doc); fieldExpl.AddDetail(tfExpl); fieldExpl.AddDetail(idfExpl); Explanation fieldNormExpl = new Explanation(); byte[] fieldNorms = reader.Norms(field); float fieldNorm = fieldNorms != null?Similarity.DecodeNorm(fieldNorms[doc]):1.0f; fieldNormExpl.SetValue(fieldNorm); fieldNormExpl.SetDescription("fieldNorm(field=" + field + ", doc=" + doc + ")"); fieldExpl.AddDetail(fieldNormExpl); fieldExpl.SetMatch(tfExpl.IsMatch()); fieldExpl.SetValue(tfExpl.GetValue() * idfExpl.GetValue() * fieldNormExpl.GetValue()); result.AddDetail(fieldExpl); System.Boolean tempAux = fieldExpl.GetMatch(); result.SetMatch(tempAux); // combine them result.SetValue(queryExpl.GetValue() * fieldExpl.GetValue()); if (queryExpl.GetValue() == 1.0f) return fieldExpl; return result; }
public override Explanation CustomExplain(int doc, Explanation subQueryExpl, Explanation valSrcExpl) { float valSrcScore = valSrcExpl == null ? 0 : valSrcExpl.Value; Explanation exp = new Explanation(valSrcScore + subQueryExpl.Value, "custom score: sum of:"); exp.AddDetail(subQueryExpl); if (valSrcExpl != null) { exp.AddDetail(valSrcExpl); } return(exp); }
public virtual Explanation Explain(IndexReader reader, int doc, Explanation innerExplanation) { if (reader is BoboIndexReader) { BoboIndexReader boboReader = (BoboIndexReader)reader; object dataObj = boboReader.GetFacetData(_timeFacetName); if (dataObj is FacetDataCache) { FacetDataCache facetDataCache = (FacetDataCache)(boboReader.GetFacetData(_timeFacetName)); BigSegmentedArray orderArray = facetDataCache.OrderArray; TermLongList termList = (TermLongList)facetDataCache.ValArray; long now = System.Environment.TickCount; Explanation finalExpl = new Explanation(); finalExpl.AddDetail(innerExplanation); float rawScore = innerExplanation.Value; long timeVal = termList.GetPrimitiveValue(orderArray.Get(doc)); float timeScore = ComputeTimeFactor(timeVal); float finalScore = CombineScores(timeScore, rawScore); finalExpl.Value = finalScore; finalExpl.Description = "final score = (time score: " + timeScore + ") * (raw score: " + rawScore + "), timeVal: " + timeVal; return finalExpl; } else { throw new InvalidOperationException("underlying facet data must be of type FacetDataCache<long>"); } } else { throw new ArgumentException("reader not instance of " + typeof(BoboIndexReader)); } }
public double Score(Rectangle indexRect, Explanation exp) { double score; if (indexRect == null) { score = nullValue; } else { score = distCalc.Distance(queryPoint, indexRect.GetCenter()); } if (exp != null) { exp.Value = (float) score; exp.Description = GetType().Name; exp.AddDetail(new Explanation(-1f, "" + queryPoint)); exp.AddDetail(new Explanation(-1f, "" + indexRect)); } return score; }
public override Explanation CustomExplain(int doc, Explanation subQueryExpl, Explanation[] valSrcExpls) { if (valSrcExpls.Length == 0) { return(subQueryExpl); } Explanation exp = new Explanation(valSrcExpls[0].Value + subQueryExpl.Value, "sum of:"); exp.AddDetail(subQueryExpl); exp.AddDetail(valSrcExpls[0]); if (valSrcExpls.Length == 1) { exp.Description = "CustomMulAdd, sum of:"; return(exp); } Explanation exp2 = new Explanation(valSrcExpls[1].Value * exp.Value, "custom score: product of:"); exp2.AddDetail(valSrcExpls[1]); exp2.AddDetail(exp); return(exp2); }
public override Explanation Explain(int doc) { Explanation res = new Explanation(); if (exclScorer.SkipTo(doc) && (exclScorer.Doc() == doc)) { res.SetDescription("excluded"); } else { res.SetDescription("not excluded"); res.AddDetail(reqScorer.Explain(doc)); } return res; }
public override Explanation Explain(IndexReader reader, int doc) { ComplexExplanation result = new ComplexExplanation(); result.Description = "weight(" + Query + " in " + doc + "), product of:"; Explanation idfExpl = new Explanation(idf, "idf(" + Query + ")"); // explain query weight Explanation queryExpl = new Explanation(); queryExpl.Description = "queryWeight(" + Query + "), product of:"; Explanation boostExpl = new Explanation(Enclosing_Instance.Boost, "boost"); if (Enclosing_Instance.Boost != 1.0f) queryExpl.AddDetail(boostExpl); queryExpl.AddDetail(idfExpl); Explanation queryNormExpl = new Explanation(queryNorm, "queryNorm"); queryExpl.AddDetail(queryNormExpl); queryExpl.Value = boostExpl.Value * idfExpl.Value * queryNormExpl.Value; result.AddDetail(queryExpl); // explain field weight ComplexExplanation fieldExpl = new ComplexExplanation(); fieldExpl.Description = "fieldWeight(" + Query + " in " + doc + "), product of:"; PhraseScorer scorer = (PhraseScorer)Scorer(reader, true, false); if (scorer == null) { return new Explanation(0.0f, "no matching docs"); } Explanation tfExplanation = new Explanation(); int d = scorer.Advance(doc); float phraseFreq = (d == doc) ? scorer.CurrentFreq() : 0.0f; tfExplanation.Value = similarity.Tf(phraseFreq); tfExplanation.Description = "tf(phraseFreq=" + phraseFreq + ")"; fieldExpl.AddDetail(tfExplanation); fieldExpl.AddDetail(idfExpl); Explanation fieldNormExpl = new Explanation(); byte[] fieldNorms = reader.Norms(Enclosing_Instance.field); float fieldNorm = fieldNorms != null?Similarity.DecodeNorm(fieldNorms[doc]):1.0f; fieldNormExpl.Value = fieldNorm; fieldNormExpl.Description = "fieldNorm(field=" + Enclosing_Instance.field + ", doc=" + doc + ")"; fieldExpl.AddDetail(fieldNormExpl); fieldExpl.Match = tfExplanation.IsMatch; fieldExpl.Value = tfExplanation.Value * idfExpl.Value * fieldNormExpl.Value; result.AddDetail(fieldExpl); System.Boolean? tempAux = fieldExpl.Match; result.Match = tempAux; // combine them result.Value = queryExpl.Value * fieldExpl.Value; if (queryExpl.Value == 1.0f) return fieldExpl; return result; }
public virtual Explanation Explain(IndexReader reader, int doc) { ComplexExplanation result = new ComplexExplanation(); result.SetDescription("weight(" + GetQuery() + " in " + doc + "), product of:"); Explanation idfExpl = new Explanation(idf, "idf(docFreq=" + reader.DocFreq(Enclosing_Instance.term) + ", numDocs=" + reader.NumDocs() + ")"); // explain query weight Explanation queryExpl = new Explanation(); queryExpl.SetDescription("queryWeight(" + GetQuery() + "), product of:"); Explanation boostExpl = new Explanation(Enclosing_Instance.GetBoost(), "boost"); if (Enclosing_Instance.GetBoost() != 1.0f) queryExpl.AddDetail(boostExpl); queryExpl.AddDetail(idfExpl); Explanation queryNormExpl = new Explanation(queryNorm, "queryNorm"); queryExpl.AddDetail(queryNormExpl); queryExpl.SetValue(boostExpl.GetValue() * idfExpl.GetValue() * queryNormExpl.GetValue()); result.AddDetail(queryExpl); // explain field weight System.String field = Enclosing_Instance.term.Field(); ComplexExplanation fieldExpl = new ComplexExplanation(); fieldExpl.SetDescription("fieldWeight(" + Enclosing_Instance.term + " in " + doc + "), product of:"); Explanation tfExpl = Scorer(reader).Explain(doc); fieldExpl.AddDetail(tfExpl); fieldExpl.AddDetail(idfExpl); Explanation fieldNormExpl = new Explanation(); byte[] fieldNorms = reader.Norms(field); float fieldNorm = fieldNorms != null ? Similarity.DecodeNorm(fieldNorms[doc]) : 0.0f; fieldNormExpl.SetValue(fieldNorm); fieldNormExpl.SetDescription("fieldNorm(field=" + field + ", doc=" + doc + ")"); fieldExpl.AddDetail(fieldNormExpl); fieldExpl.SetMatch(tfExpl.IsMatch()); fieldExpl.SetValue(tfExpl.GetValue() * idfExpl.GetValue() * fieldNormExpl.GetValue()); result.AddDetail(fieldExpl); System.Boolean tempAux = fieldExpl.GetMatch(); result.SetMatch(tempAux); // combine them result.SetValue(queryExpl.GetValue() * fieldExpl.GetValue()); if (queryExpl.GetValue() == 1.0f) return fieldExpl; return result; }
public virtual Explanation Explain(IndexReader reader, int doc) { Explanation result = new Explanation(); result.SetDescription("weight(" + GetQuery() + " in " + doc + "), product of:"); Explanation idfExpl = new Explanation(idf, "idf(docFreq=" + reader.DocFreq(Enclosing_Instance.term) + ")"); // explain query weight Explanation queryExpl = new Explanation(); queryExpl.SetDescription("queryWeight(" + GetQuery() + "), product of:"); Explanation boostExpl = new Explanation(Enclosing_Instance.GetBoost(), "boost"); if (Enclosing_Instance.GetBoost() != 1.0f) { queryExpl.AddDetail(boostExpl); } queryExpl.AddDetail(idfExpl); Explanation queryNormExpl = new Explanation(queryNorm, "queryNorm"); queryExpl.AddDetail(queryNormExpl); queryExpl.SetValue(boostExpl.GetValue() * idfExpl.GetValue() * queryNormExpl.GetValue()); result.AddDetail(queryExpl); // explain field weight System.String field = Enclosing_Instance.term.Field(); Explanation fieldExpl = new Explanation(); fieldExpl.SetDescription("fieldWeight(" + Enclosing_Instance.term + " in " + doc + "), product of:"); Explanation tfExpl = Scorer(reader).Explain(doc); fieldExpl.AddDetail(tfExpl); fieldExpl.AddDetail(idfExpl); Explanation fieldNormExpl = new Explanation(); byte[] fieldNorms = reader.Norms(field); float fieldNorm = fieldNorms != null?Similarity.DecodeNorm(fieldNorms[doc]) : 0.0f; fieldNormExpl.SetValue(fieldNorm); fieldNormExpl.SetDescription("fieldNorm(field=" + field + ", doc=" + doc + ")"); fieldExpl.AddDetail(fieldNormExpl); fieldExpl.SetValue(tfExpl.GetValue() * idfExpl.GetValue() * fieldNormExpl.GetValue()); result.AddDetail(fieldExpl); // combine them result.SetValue(queryExpl.GetValue() * fieldExpl.GetValue()); if (queryExpl.GetValue() == 1.0f) { return(fieldExpl); } return(result); }
public double Score(Rectangle target, Explanation exp) { if (target == null || queryArea <= 0) { return 0; } double targetArea = target.GetArea(null); if (targetArea <= 0) { return 0; } double score = 0; double top = Math.Min(queryExtent.GetMaxY(), target.GetMaxY()); double bottom = Math.Max(queryExtent.GetMinY(), target.GetMinY()); double height = top - bottom; double width = 0; // queries that cross the date line if (queryExtent.GetCrossesDateLine()) { // documents that cross the date line if (target.GetCrossesDateLine()) { double left = Math.Max(queryExtent.GetMinX(), target.GetMinX()); double right = Math.Min(queryExtent.GetMaxX(), target.GetMaxX()); width = right + 360.0 - left; } else { double qryWestLeft = Math.Max(queryExtent.GetMinX(), target.GetMaxX()); double qryWestRight = Math.Min(target.GetMaxX(), 180.0); double qryWestWidth = qryWestRight - qryWestLeft; if (qryWestWidth > 0) { width = qryWestWidth; } else { double qryEastLeft = Math.Max(target.GetMaxX(), -180.0); double qryEastRight = Math.Min(queryExtent.GetMaxX(), target.GetMaxX()); double qryEastWidth = qryEastRight - qryEastLeft; if (qryEastWidth > 0) { width = qryEastWidth; } } } } else { // queries that do not cross the date line if (target.GetCrossesDateLine()) { double tgtWestLeft = Math.Max(queryExtent.GetMinX(), target.GetMinX()); double tgtWestRight = Math.Min(queryExtent.GetMaxX(), 180.0); double tgtWestWidth = tgtWestRight - tgtWestLeft; if (tgtWestWidth > 0) { width = tgtWestWidth; } else { double tgtEastLeft = Math.Max(queryExtent.GetMinX(), -180.0); double tgtEastRight = Math.Min(queryExtent.GetMaxX(), target.GetMaxX()); double tgtEastWidth = tgtEastRight - tgtEastLeft; if (tgtEastWidth > 0) { width = tgtEastWidth; } } } else { double left = Math.Max(queryExtent.GetMinX(), target.GetMinX()); double right = Math.Min(queryExtent.GetMaxX(), target.GetMaxX()); width = right - left; } } // calculate the score if ((width > 0) && (height > 0)) { double intersectionArea = width * height; double queryRatio = intersectionArea / queryArea; double targetRatio = intersectionArea / targetArea; double queryFactor = Math.Pow(queryRatio, queryPower); double targetFactor = Math.Pow(targetRatio, targetPower); score = queryFactor * targetFactor * 10000.0; if (exp != null) { // StringBuilder sb = new StringBuilder(); // sb.append("\nscore=").append(score); // sb.append("\n query=").append(); // sb.append("\n target=").append(target.toString()); // sb.append("\n intersectionArea=").append(intersectionArea); // // sb.append(" queryArea=").append(queryArea).append(" targetArea=").append(targetArea); // sb.append("\n queryRatio=").append(queryRatio).append(" targetRatio=").append(targetRatio); // sb.append("\n queryFactor=").append(queryFactor).append(" targetFactor=").append(targetFactor); // sb.append(" (queryPower=").append(queryPower).append(" targetPower=").append(targetPower).append(")"); exp.Value = (float) score; exp.Description = GetType().Name; Explanation e = null; exp.AddDetail(e = new Explanation((float)intersectionArea, "IntersectionArea")); e.AddDetail(new Explanation((float)width, "width; Query: " + queryExtent)); e.AddDetail(new Explanation((float)height, "height; Target: " + target)); exp.AddDetail(e = new Explanation((float)queryFactor, "Query")); e.AddDetail(new Explanation((float)queryArea, "area")); e.AddDetail(new Explanation((float)queryRatio, "ratio")); e.AddDetail(new Explanation((float)queryPower, "power")); exp.AddDetail(e = new Explanation((float)targetFactor, "Target")); e.AddDetail(new Explanation((float)targetArea, "area")); e.AddDetail(new Explanation((float)targetRatio, "ratio")); e.AddDetail(new Explanation((float)targetPower, "power")); } } else if (exp != null) { exp.Value = 0; exp.Description = "Shape does not intersect"; } return score; }
public override Explanation Explain(IndexReader reader, int doc) { int minShouldMatch = Enclosing_Instance.GetMinimumNumberShouldMatch(); ComplexExplanation sumExpl = new ComplexExplanation(); sumExpl.SetDescription("sum of:"); int coord = 0; int maxCoord = 0; float sum = 0.0f; bool fail = false; int shouldMatchCount = 0; for (System.Collections.IEnumerator wIter = weights.GetEnumerator(), cIter = Enclosing_Instance.clauses.GetEnumerator(); wIter.MoveNext();) { cIter.MoveNext(); Weight w = (Weight)wIter.Current; BooleanClause c = (BooleanClause)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.GetValue(); coord++; } else { Explanation r = new Explanation(0.0f, "match on prohibited clause (" + c.GetQuery().ToString() + ")"); r.AddDetail(e); sumExpl.AddDetail(r); fail = true; } if (c.GetOccur() == Occur.SHOULD) { shouldMatchCount++; } } else if (c.IsRequired()) { Explanation r = new Explanation(0.0f, "no match on required clause (" + c.GetQuery().ToString() + ")"); r.AddDetail(e); sumExpl.AddDetail(r); fail = true; } } if (fail) { System.Boolean tempAux = false; sumExpl.SetMatch(tempAux); sumExpl.SetValue(0.0f); sumExpl.SetDescription("Failure to meet condition(s) of required/prohibited clause(s)"); return(sumExpl); } else if (shouldMatchCount < minShouldMatch) { System.Boolean tempAux2 = false; sumExpl.SetMatch(tempAux2); sumExpl.SetValue(0.0f); sumExpl.SetDescription("Failure to match minimum number " + "of optional clauses: " + minShouldMatch); return(sumExpl); } sumExpl.SetMatch(0 < coord?true:false); sumExpl.SetValue(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(IndexReader ir, int i) { Explanation inner = weight.Explain(ir, i); if (Enclosing_Instance.GetBoost() != 1) { Explanation preBoost = inner; inner = new Explanation(inner.GetValue() * Enclosing_Instance.GetBoost(), "product of:"); inner.AddDetail(new Explanation(Enclosing_Instance.GetBoost(), "boost")); inner.AddDetail(preBoost); } Filter f = Enclosing_Instance.filter; DocIdSet docIdSet = f.GetDocIdSet(ir); DocIdSetIterator docIdSetIterator = docIdSet == null?DocIdSet.EMPTY_DOCIDSET.Iterator():docIdSet.Iterator(); if (docIdSetIterator == null) { docIdSetIterator = DocIdSet.EMPTY_DOCIDSET.Iterator(); } if (docIdSetIterator.Advance(i) == i) { return inner; } else { Explanation result = new Explanation(0.0f, "failure to match filter: " + f.ToString()); result.AddDetail(inner); return result; } }
/// <returns> An explanation for the score of a given document. /// </returns> public override Explanation Explain(int doc) { Explanation res = new Explanation(); System.Collections.IEnumerator ssi = subScorers.GetEnumerator(); float sumScore = 0.0f; int nrMatches = 0; while (ssi.MoveNext()) { Explanation es = ((Scorer) ssi.Current).Explain(doc); if (es.GetValue() > 0.0f) { // indicates match sumScore += es.GetValue(); nrMatches++; } res.AddDetail(es); } if (nrMatchers >= minimumNrMatchers) { res.SetValue(sumScore); res.SetDescription("sum over at least " + minimumNrMatchers + " of " + subScorers.Count + ":"); } else { res.SetValue(0.0f); res.SetDescription(nrMatches + " match(es) but at least " + minimumNrMatchers + " of " + subScorers.Count + " needed"); } return res; }
/// <returns> An explanation for the score of a given document. /// </returns> public override Explanation Explain(int doc) { Explanation res = new Explanation(); float sumScore = 0.0f; int nrMatches = 0; foreach(Scorer s in subScorers) { Explanation es = s.Explain(doc); if (es.GetValue() > 0.0f) { // indicates match sumScore += es.GetValue(); nrMatches++; } res.AddDetail(es); } if (nrMatchers >= minimumNrMatchers) { res.SetValue(sumScore); res.SetDescription("sum over at least " + minimumNrMatchers + " of " + subScorers.Count + ":"); } else { res.SetValue(0.0f); res.SetDescription(nrMatches + " match(es) but at least " + minimumNrMatchers + " of " + subScorers.Count + " needed"); } return res; }
public override Explanation Explain(int doc, Explanation freq) { Explanation boostExplanation = new Explanation(Values.Get(doc), "indexDocValue(" + OuterInstance.BoostField + ")"); Explanation simExplanation = Sub.Explain(doc, freq); Explanation expl = new Explanation(boostExplanation.Value * simExplanation.Value, "product of:"); expl.AddDetail(boostExplanation); expl.AddDetail(simExplanation); return expl; }
public virtual Explanation Explain(IndexReader reader, int doc) { Explanation sumExpl = new Explanation(); sumExpl.SetDescription("sum of:"); int coord = 0; int maxCoord = 0; float sum = 0.0f; for (int i = 0; i < weights.Count; i++) { BooleanClause c = (BooleanClause) Enclosing_Instance.clauses[i]; Weight w = (Weight) weights[i]; Explanation e = w.Explain(reader, doc); if (!c.IsProhibited()) maxCoord++; if (e.GetValue() > 0) { if (!c.IsProhibited()) { sumExpl.AddDetail(e); sum += e.GetValue(); coord++; } else { return new Explanation(0.0f, "match prohibited"); } } else if (c.IsRequired()) { return new Explanation(0.0f, "match required"); } } sumExpl.SetValue(sum); if (coord == 1) // only one clause matched sumExpl = sumExpl.GetDetails()[0]; // eliminate wrapper float coordFactor = similarity.Coord(coord, maxCoord); if (coordFactor == 1.0f) // coord is no-op return sumExpl; // eliminate wrapper else { Explanation result = new Explanation(); result.SetDescription("product of:"); result.AddDetail(sumExpl); result.AddDetail(new Explanation(coordFactor, "coord(" + coord + "/" + maxCoord + ")")); result.SetValue(sum * coordFactor); return result; } }
public override Explanation Explain(IndexReader reader, int doc) { // explain query weight Explanation queryExpl = new Explanation(this.Value, "FastMatchAllDocsQuery"); if (parent.Boost != 1.0f) { queryExpl.AddDetail(new Explanation(parent.Boost, "boost")); } queryExpl.AddDetail(new Explanation(queryNorm, "queryNorm")); return queryExpl; }
public override Explanation Explain(AtomicReaderContext context, int doc) { int minShouldMatch = outerInstance.MinimumNumberShouldMatch; ComplexExplanation sumExpl = new ComplexExplanation(); sumExpl.Description = "sum of:"; int coord = 0; float sum = 0.0f; bool fail = false; int shouldMatchCount = 0; IEnumerator <BooleanClause> cIter = outerInstance.clauses.GetEnumerator(); for (IEnumerator <Weight> wIter = m_weights.GetEnumerator(); wIter.MoveNext();) { Weight w = wIter.Current; cIter.MoveNext(); BooleanClause c = cIter.Current; if (w.GetScorer(context, context.AtomicReader.LiveDocs) == null) { if (c.IsRequired) { fail = true; Explanation r = new Explanation(0.0f, "no match on required clause (" + c.Query.ToString() + ")"); sumExpl.AddDetail(r); } continue; } Explanation e = w.Explain(context, doc); 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_e.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) { sumExpl.Match = false; sumExpl.Value = 0.0f; sumExpl.Description = "Failure to meet condition(s) of required/prohibited clause(s)"; return(sumExpl); } else if (shouldMatchCount < minShouldMatch) { sumExpl.Match = false; 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 = disableCoord ? 1.0f : Coord(coord, m_maxCoord); if (coordFactor == 1.0f) { 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 + "/" + m_maxCoord + ")")); return(result); } }
public override Explanation Explain(IndexReader reader, int doc) { ComplexExplanation result = new ComplexExplanation(); result.Description = "weight(" + Query + " in " + doc + "), product of:"; Explanation expl = new Explanation(idf, idfExp.Explain()); // explain query weight Explanation queryExpl = new Explanation(); queryExpl.Description = "queryWeight(" + Query + "), product of:"; Explanation boostExpl = new Explanation(Enclosing_Instance.Boost, "boost"); if (Enclosing_Instance.Boost != 1.0f) { queryExpl.AddDetail(boostExpl); } queryExpl.AddDetail(expl); Explanation queryNormExpl = new Explanation(queryNorm, "queryNorm"); queryExpl.AddDetail(queryNormExpl); queryExpl.Value = boostExpl.Value * expl.Value * queryNormExpl.Value; result.AddDetail(queryExpl); // explain field weight System.String field = Enclosing_Instance.term.Field; ComplexExplanation fieldExpl = new ComplexExplanation(); fieldExpl.Description = "fieldWeight(" + Enclosing_Instance.term + " in " + doc + "), product of:"; Explanation tfExplanation = new Explanation(); int tf = 0; TermDocs termDocs = reader.TermDocs(enclosingInstance.term); if (termDocs != null) { try { if (termDocs.SkipTo(doc) && termDocs.Doc == doc) { tf = termDocs.Freq; } } finally { termDocs.Close(); } tfExplanation.Value = similarity.Tf(tf); tfExplanation.Description = "tf(termFreq(" + enclosingInstance.term + ")=" + tf + ")"; } else { tfExplanation.Value = 0.0f; tfExplanation.Description = "no matching term"; } fieldExpl.AddDetail(tfExplanation); fieldExpl.AddDetail(expl); Explanation fieldNormExpl = new Explanation(); byte[] fieldNorms = reader.Norms(field); float fieldNorm = fieldNorms != null?Similarity.DecodeNorm(fieldNorms[doc]) : 1.0f; fieldNormExpl.Value = fieldNorm; fieldNormExpl.Description = "fieldNorm(field=" + field + ", doc=" + doc + ")"; fieldExpl.AddDetail(fieldNormExpl); fieldExpl.Match = tfExplanation.IsMatch; fieldExpl.Value = tfExplanation.Value * expl.Value * fieldNormExpl.Value; result.AddDetail(fieldExpl); System.Boolean?tempAux = fieldExpl.Match; result.Match = tempAux; // combine them result.Value = queryExpl.Value * fieldExpl.Value; if (queryExpl.Value == 1.0f) { return(fieldExpl); } return(result); }
public override Explanation Explain(IndexReader reader, int doc) { ComplexExplanation result = new ComplexExplanation(); result.SetDescription("weight(" + GetQuery() + " in " + doc + "), product of:"); Explanation idfExpl = new Explanation(idf, "idf(" + GetQuery() + ")"); // explain query weight Explanation queryExpl = new Explanation(); queryExpl.SetDescription("queryWeight(" + GetQuery() + "), product of:"); Explanation boostExpl = new Explanation(Enclosing_Instance.GetBoost(), "boost"); if (Enclosing_Instance.GetBoost() != 1.0f) queryExpl.AddDetail(boostExpl); queryExpl.AddDetail(idfExpl); Explanation queryNormExpl = new Explanation(queryNorm, "queryNorm"); queryExpl.AddDetail(queryNormExpl); queryExpl.SetValue(boostExpl.GetValue() * idfExpl.GetValue() * queryNormExpl.GetValue()); result.AddDetail(queryExpl); // explain field weight ComplexExplanation fieldExpl = new ComplexExplanation(); fieldExpl.SetDescription("fieldWeight(" + GetQuery() + " in " + doc + "), product of:"); Scorer scorer = Scorer(reader, true, false); if (scorer == null) { return new Explanation(0.0f, "no matching docs"); } Explanation tfExpl = scorer.Explain(doc); fieldExpl.AddDetail(tfExpl); fieldExpl.AddDetail(idfExpl); Explanation fieldNormExpl = new Explanation(); byte[] fieldNorms = reader.Norms(Enclosing_Instance.field); float fieldNorm = fieldNorms != null?Similarity.DecodeNorm(fieldNorms[doc]):1.0f; fieldNormExpl.SetValue(fieldNorm); fieldNormExpl.SetDescription("fieldNorm(field=" + Enclosing_Instance.field + ", doc=" + doc + ")"); fieldExpl.AddDetail(fieldNormExpl); fieldExpl.SetMatch(tfExpl.IsMatch()); fieldExpl.SetValue(tfExpl.GetValue() * idfExpl.GetValue() * fieldNormExpl.GetValue()); result.AddDetail(fieldExpl); System.Boolean? tempAux = fieldExpl.GetMatch(); result.SetMatch(tempAux); // combine them result.SetValue(queryExpl.GetValue() * fieldExpl.GetValue()); if (queryExpl.GetValue() == 1.0f) return fieldExpl; return result; }
public override Explanation CustomExplain(int doc, Explanation subQueryExpl, Explanation valSrcExpl) { float valSrcScore = valSrcExpl == null ? 0 : valSrcExpl.Value; Explanation exp = new Explanation(valSrcScore + subQueryExpl.Value, "custom score: sum of:"); exp.AddDetail(subQueryExpl); if (valSrcExpl != null) { exp.AddDetail(valSrcExpl); } return exp; }
public override Explanation Explain(IndexReader reader, int doc) { ComplexExplanation result = new ComplexExplanation(); result.Description = "weight(" + Query + " in " + doc + "), product of:"; Explanation idfExpl = new Explanation(idf, "idf(" + Query + ")"); // explain query weight Explanation queryExpl = new Explanation(); queryExpl.Description = "queryWeight(" + Query + "), product of:"; Explanation boostExpl = new Explanation(Enclosing_Instance.Boost, "boost"); if (Enclosing_Instance.Boost != 1.0f) { queryExpl.AddDetail(boostExpl); } queryExpl.AddDetail(idfExpl); Explanation queryNormExpl = new Explanation(queryNorm, "queryNorm"); queryExpl.AddDetail(queryNormExpl); queryExpl.Value = boostExpl.Value * idfExpl.Value * queryNormExpl.Value; result.AddDetail(queryExpl); // explain field weight ComplexExplanation fieldExpl = new ComplexExplanation(); fieldExpl.Description = "fieldWeight(" + Query + " in " + doc + "), product of:"; PhraseScorer scorer = (PhraseScorer)Scorer(reader, true, false); if (scorer == null) { return(new Explanation(0.0f, "no matching docs")); } Explanation tfExplanation = new Explanation(); int d = scorer.Advance(doc); float phraseFreq = (d == doc) ? scorer.CurrentFreq() : 0.0f; tfExplanation.Value = similarity.Tf(phraseFreq); tfExplanation.Description = "tf(phraseFreq=" + phraseFreq + ")"; fieldExpl.AddDetail(tfExplanation); fieldExpl.AddDetail(idfExpl); Explanation fieldNormExpl = new Explanation(); byte[] fieldNorms = reader.Norms(Enclosing_Instance.field); float fieldNorm = fieldNorms != null?Similarity.DecodeNorm(fieldNorms[doc]) : 1.0f; fieldNormExpl.Value = fieldNorm; fieldNormExpl.Description = "fieldNorm(field=" + Enclosing_Instance.field + ", doc=" + doc + ")"; fieldExpl.AddDetail(fieldNormExpl); fieldExpl.Match = tfExplanation.IsMatch; fieldExpl.Value = tfExplanation.Value * idfExpl.Value * fieldNormExpl.Value; result.AddDetail(fieldExpl); System.Boolean?tempAux = fieldExpl.Match; result.Match = tempAux; // combine them result.Value = queryExpl.Value * fieldExpl.Value; if (queryExpl.Value == 1.0f) { return(fieldExpl); } return(result); }
public virtual Explanation Explain(IndexReader reader, int doc) { Explanation result = new Explanation(); result.SetDescription("weight(" + GetQuery() + " in " + doc + "), product of:"); System.Text.StringBuilder docFreqs = new System.Text.StringBuilder(); System.Text.StringBuilder query = new System.Text.StringBuilder(); query.Append('\"'); for (int i = 0; i < Enclosing_Instance.terms.Count; i++) { if (i != 0) { docFreqs.Append(" "); query.Append(" "); } Term term = (Term) Enclosing_Instance.terms[i]; docFreqs.Append(term.Text()); docFreqs.Append("="); docFreqs.Append(reader.DocFreq(term)); query.Append(term.Text()); } query.Append('\"'); Explanation idfExpl = new Explanation(idf, "idf(" + Enclosing_Instance.field + ": " + docFreqs + ")"); // explain query weight Explanation queryExpl = new Explanation(); queryExpl.SetDescription("queryWeight(" + GetQuery() + "), product of:"); Explanation boostExpl = new Explanation(Enclosing_Instance.GetBoost(), "boost"); if (Enclosing_Instance.GetBoost() != 1.0f) queryExpl.AddDetail(boostExpl); queryExpl.AddDetail(idfExpl); Explanation queryNormExpl = new Explanation(queryNorm, "queryNorm"); queryExpl.AddDetail(queryNormExpl); queryExpl.SetValue(boostExpl.GetValue() * idfExpl.GetValue() * queryNormExpl.GetValue()); result.AddDetail(queryExpl); // explain field weight Explanation fieldExpl = new Explanation(); fieldExpl.SetDescription("fieldWeight(" + Enclosing_Instance.field + ":" + query + " in " + doc + "), product of:"); Explanation tfExpl = Scorer(reader).Explain(doc); fieldExpl.AddDetail(tfExpl); fieldExpl.AddDetail(idfExpl); Explanation fieldNormExpl = new Explanation(); byte[] fieldNorms = reader.Norms(Enclosing_Instance.field); float fieldNorm = fieldNorms != null ? Similarity.DecodeNorm(fieldNorms[doc]) : 0.0f; fieldNormExpl.SetValue(fieldNorm); fieldNormExpl.SetDescription("fieldNorm(field=" + Enclosing_Instance.field + ", doc=" + doc + ")"); fieldExpl.AddDetail(fieldNormExpl); fieldExpl.SetValue(tfExpl.GetValue() * idfExpl.GetValue() * fieldNormExpl.GetValue()); result.AddDetail(fieldExpl); // combine them result.SetValue(queryExpl.GetValue() * fieldExpl.GetValue()); if (queryExpl.GetValue() == 1.0f) return fieldExpl; return result; }
public virtual Explanation Explain(IndexReader reader, int doc) { ConstantScorer cs = (ConstantScorer) Scorer(reader); bool exists = cs.bits.Get(doc); Explanation result = new Explanation(); if (exists) { result.SetDescription("ConstantScoreQuery(" + Enclosing_Instance.filter + "), product of:"); result.SetValue(queryWeight); result.AddDetail(new Explanation(Enclosing_Instance.GetBoost(), "boost")); result.AddDetail(new Explanation(queryNorm, "queryNorm")); } else { result.SetDescription("ConstantScoreQuery(" + Enclosing_Instance.filter + ") doesn't match id " + doc); result.SetValue(0); } return result; }
public override Explanation Explain(IndexReader reader, int doc) { ComplexExplanation result = new ComplexExplanation(); result.SetDescription("weight(" + GetQuery() + " in " + doc + "), product of:"); Explanation expl = new Explanation(idf, idfExp.Explain()); // explain query weight Explanation queryExpl = new Explanation(); queryExpl.SetDescription("queryWeight(" + GetQuery() + "), product of:"); Explanation boostExpl = new Explanation(Enclosing_Instance.GetBoost(), "boost"); if (Enclosing_Instance.GetBoost() != 1.0f) { queryExpl.AddDetail(boostExpl); } queryExpl.AddDetail(expl); Explanation queryNormExpl = new Explanation(queryNorm, "queryNorm"); queryExpl.AddDetail(queryNormExpl); queryExpl.SetValue(boostExpl.GetValue() * expl.GetValue() * queryNormExpl.GetValue()); result.AddDetail(queryExpl); // explain field weight System.String field = Enclosing_Instance.term.Field(); ComplexExplanation fieldExpl = new ComplexExplanation(); fieldExpl.SetDescription("fieldWeight(" + Enclosing_Instance.term + " in " + doc + "), product of:"); Explanation tfExpl = Scorer(reader, true, false).Explain(doc); fieldExpl.AddDetail(tfExpl); fieldExpl.AddDetail(expl); Explanation fieldNormExpl = new Explanation(); byte[] fieldNorms = reader.Norms(field); float fieldNorm = fieldNorms != null?Similarity.DecodeNorm(fieldNorms[doc]) : 1.0f; fieldNormExpl.SetValue(fieldNorm); fieldNormExpl.SetDescription("fieldNorm(field=" + field + ", doc=" + doc + ")"); fieldExpl.AddDetail(fieldNormExpl); fieldExpl.SetMatch(tfExpl.IsMatch()); fieldExpl.SetValue(tfExpl.GetValue() * expl.GetValue() * fieldNormExpl.GetValue()); result.AddDetail(fieldExpl); System.Boolean?tempAux = fieldExpl.GetMatch(); result.SetMatch(tempAux); // combine them result.SetValue(queryExpl.GetValue() * fieldExpl.GetValue()); if (queryExpl.GetValue() == 1.0f) { return(fieldExpl); } return(result); }
public override Explanation Explain(IndexReader reader, int doc) { Explanation result = new Explanation(); result.Description = "weight(" + Query + " in " + doc + "), product of:"; System.Text.StringBuilder docFreqs = new System.Text.StringBuilder(); System.Text.StringBuilder query = new System.Text.StringBuilder(); query.Append('\"'); docFreqs.Append(idfExp.Explain()); for (int i = 0; i < Enclosing_Instance.terms.Count; i++) { if (i != 0) { query.Append(" "); } Term term = Enclosing_Instance.terms[i]; query.Append(term.Text); } query.Append('\"'); Explanation idfExpl = new Explanation(idf, "idf(" + Enclosing_Instance.field + ":" + docFreqs + ")"); // explain query weight Explanation queryExpl = new Explanation(); queryExpl.Description = "queryWeight(" + Query + "), product of:"; Explanation boostExpl = new Explanation(Enclosing_Instance.Boost, "boost"); if (Enclosing_Instance.Boost != 1.0f) queryExpl.AddDetail(boostExpl); queryExpl.AddDetail(idfExpl); Explanation queryNormExpl = new Explanation(queryNorm, "queryNorm"); queryExpl.AddDetail(queryNormExpl); queryExpl.Value = boostExpl.Value * idfExpl.Value * queryNormExpl.Value; result.AddDetail(queryExpl); // explain field weight Explanation fieldExpl = new Explanation(); fieldExpl.Description = "fieldWeight(" + Enclosing_Instance.field + ":" + query + " in " + doc + "), product of:"; PhraseScorer scorer = (PhraseScorer)Scorer(reader, true, false); if (scorer == null) { return new Explanation(0.0f, "no matching docs"); } Explanation tfExplanation = new Explanation(); int d = scorer.Advance(doc); float phraseFreq = (d == doc) ? scorer.CurrentFreq() : 0.0f; tfExplanation.Value = similarity.Tf(phraseFreq); tfExplanation.Description = "tf(phraseFreq=" + phraseFreq + ")"; fieldExpl.AddDetail(tfExplanation); fieldExpl.AddDetail(idfExpl); Explanation fieldNormExpl = new Explanation(); byte[] fieldNorms = reader.Norms(Enclosing_Instance.field); float fieldNorm = fieldNorms != null?Similarity.DecodeNorm(fieldNorms[doc]):1.0f; fieldNormExpl.Value = fieldNorm; fieldNormExpl.Description = "fieldNorm(field=" + Enclosing_Instance.field + ", doc=" + doc + ")"; fieldExpl.AddDetail(fieldNormExpl); fieldExpl.Value = tfExplanation.Value * idfExpl.Value * fieldNormExpl.Value; result.AddDetail(fieldExpl); // combine them result.Value = queryExpl.Value * fieldExpl.Value; if (queryExpl.Value == 1.0f) return fieldExpl; return result; }
public override Explanation Explain(IndexReader reader, int doc) { ComplexExplanation result = new ComplexExplanation(); result.Description = "weight(" + Query + " in " + doc + "), product of:"; Explanation expl = new Explanation(idf, idfExp.Explain()); // explain query weight Explanation queryExpl = new Explanation(); queryExpl.Description = "queryWeight(" + Query + "), product of:"; Explanation boostExpl = new Explanation(Enclosing_Instance.Boost, "boost"); if (Enclosing_Instance.Boost != 1.0f) queryExpl.AddDetail(boostExpl); queryExpl.AddDetail(expl); Explanation queryNormExpl = new Explanation(queryNorm, "queryNorm"); queryExpl.AddDetail(queryNormExpl); queryExpl.Value = boostExpl.Value * expl.Value * queryNormExpl.Value; result.AddDetail(queryExpl); // explain field weight System.String field = Enclosing_Instance.term.Field; ComplexExplanation fieldExpl = new ComplexExplanation(); fieldExpl.Description = "fieldWeight(" + Enclosing_Instance.term + " in " + doc + "), product of:"; Explanation tfExplanation = new Explanation(); int tf = 0; TermDocs termDocs = reader.TermDocs(enclosingInstance.term); if (termDocs != null) { try { if (termDocs.SkipTo(doc) && termDocs.Doc == doc) { tf = termDocs.Freq; } } finally { termDocs.Close(); } tfExplanation.Value = similarity.Tf(tf); tfExplanation.Description = "tf(termFreq(" + enclosingInstance.term + ")=" + tf + ")"; } else { tfExplanation.Value = 0.0f; tfExplanation.Description = "no matching term"; } fieldExpl.AddDetail(tfExplanation); fieldExpl.AddDetail(expl); Explanation fieldNormExpl = new Explanation(); byte[] fieldNorms = reader.Norms(field); float fieldNorm = fieldNorms != null?Similarity.DecodeNorm(fieldNorms[doc]):1.0f; fieldNormExpl.Value = fieldNorm; fieldNormExpl.Description = "fieldNorm(field=" + field + ", doc=" + doc + ")"; fieldExpl.AddDetail(fieldNormExpl); fieldExpl.Match = tfExplanation.IsMatch; fieldExpl.Value = tfExplanation.Value * expl.Value * fieldNormExpl.Value; result.AddDetail(fieldExpl); System.Boolean? tempAux = fieldExpl.Match; result.Match = tempAux; // combine them result.Value = queryExpl.Value * fieldExpl.Value; if (queryExpl.Value == 1.0f) return fieldExpl; return result; }
public virtual Explanation Explain(IndexReader reader, int doc) { ComplexExplanation result = new ComplexExplanation(); result.SetDescription("weight(" + GetQuery() + " in " + doc + "), product of:"); System.String field = ((SpanQuery) GetQuery()).GetField(); System.Text.StringBuilder docFreqs = new System.Text.StringBuilder(); System.Collections.IEnumerator i = terms.GetEnumerator(); while (i.MoveNext()) { System.Collections.DictionaryEntry tmp = (System.Collections.DictionaryEntry) i.Current; Term term = (Term) tmp.Key; docFreqs.Append(term.Text()); docFreqs.Append("="); docFreqs.Append(reader.DocFreq(term)); if (i.MoveNext()) { docFreqs.Append(" "); } } Explanation idfExpl = new Explanation(idf, "idf(" + field + ": " + docFreqs + ")"); // explain query weight Explanation queryExpl = new Explanation(); queryExpl.SetDescription("queryWeight(" + GetQuery() + "), product of:"); Explanation boostExpl = new Explanation(GetQuery().GetBoost(), "boost"); if (GetQuery().GetBoost() != 1.0f) queryExpl.AddDetail(boostExpl); queryExpl.AddDetail(idfExpl); Explanation queryNormExpl = new Explanation(queryNorm, "queryNorm"); queryExpl.AddDetail(queryNormExpl); queryExpl.SetValue(boostExpl.GetValue() * idfExpl.GetValue() * queryNormExpl.GetValue()); result.AddDetail(queryExpl); // explain field weight ComplexExplanation fieldExpl = new ComplexExplanation(); fieldExpl.SetDescription("fieldWeight(" + field + ":" + query.ToString(field) + " in " + doc + "), product of:"); Explanation tfExpl = Scorer(reader).Explain(doc); fieldExpl.AddDetail(tfExpl); fieldExpl.AddDetail(idfExpl); Explanation fieldNormExpl = new Explanation(); byte[] fieldNorms = reader.Norms(field); float fieldNorm = fieldNorms != null ? Similarity.DecodeNorm(fieldNorms[doc]) : 0.0f; fieldNormExpl.SetValue(fieldNorm); fieldNormExpl.SetDescription("fieldNorm(field=" + field + ", doc=" + doc + ")"); fieldExpl.AddDetail(fieldNormExpl); fieldExpl.SetMatch(tfExpl.IsMatch()); fieldExpl.SetValue(tfExpl.GetValue() * idfExpl.GetValue() * fieldNormExpl.GetValue()); result.AddDetail(fieldExpl); System.Boolean tempAux = fieldExpl.GetMatch(); result.SetMatch(tempAux); // combine them result.SetValue(queryExpl.GetValue() * fieldExpl.GetValue()); if (queryExpl.GetValue() == 1.0f) return fieldExpl; return result; }
public override Explanation Explain(IndexReader reader, int doc) { Explanation result = new Explanation(); result.Description = "weight(" + Query + " in " + doc + "), product of:"; System.Text.StringBuilder docFreqs = new System.Text.StringBuilder(); System.Text.StringBuilder query = new System.Text.StringBuilder(); query.Append('\"'); docFreqs.Append(idfExp.Explain()); for (int i = 0; i < Enclosing_Instance.terms.Count; i++) { if (i != 0) { query.Append(" "); } Term term = Enclosing_Instance.terms[i]; query.Append(term.Text); } query.Append('\"'); Explanation idfExpl = new Explanation(idf, "idf(" + Enclosing_Instance.field + ":" + docFreqs + ")"); // explain query weight Explanation queryExpl = new Explanation(); queryExpl.Description = "queryWeight(" + Query + "), product of:"; Explanation boostExpl = new Explanation(Enclosing_Instance.Boost, "boost"); if (Enclosing_Instance.Boost != 1.0f) { queryExpl.AddDetail(boostExpl); } queryExpl.AddDetail(idfExpl); Explanation queryNormExpl = new Explanation(queryNorm, "queryNorm"); queryExpl.AddDetail(queryNormExpl); queryExpl.Value = boostExpl.Value * idfExpl.Value * queryNormExpl.Value; result.AddDetail(queryExpl); // explain field weight Explanation fieldExpl = new Explanation(); fieldExpl.Description = "fieldWeight(" + Enclosing_Instance.field + ":" + query + " in " + doc + "), product of:"; PhraseScorer scorer = (PhraseScorer)Scorer(reader, true, false); if (scorer == null) { return(new Explanation(0.0f, "no matching docs")); } Explanation tfExplanation = new Explanation(); int d = scorer.Advance(doc); float phraseFreq = (d == doc) ? scorer.CurrentFreq() : 0.0f; tfExplanation.Value = similarity.Tf(phraseFreq); tfExplanation.Description = "tf(phraseFreq=" + phraseFreq + ")"; fieldExpl.AddDetail(tfExplanation); fieldExpl.AddDetail(idfExpl); Explanation fieldNormExpl = new Explanation(); byte[] fieldNorms = reader.Norms(Enclosing_Instance.field); float fieldNorm = fieldNorms != null?Similarity.DecodeNorm(fieldNorms[doc]) : 1.0f; fieldNormExpl.Value = fieldNorm; fieldNormExpl.Description = "fieldNorm(field=" + Enclosing_Instance.field + ", doc=" + doc + ")"; fieldExpl.AddDetail(fieldNormExpl); fieldExpl.Value = tfExplanation.Value * idfExpl.Value * fieldNormExpl.Value; result.AddDetail(fieldExpl); // combine them result.Value = queryExpl.Value * fieldExpl.Value; if (queryExpl.Value == 1.0f) { return(fieldExpl); } return(result); }
public virtual Explanation Explain(IndexReader reader, int doc) { // explain query weight Explanation queryExpl = new Explanation(); queryExpl.SetDescription("MatchAllDocsQuery:"); Explanation boostExpl = new Explanation(Enclosing_Instance.GetBoost(), "boost"); if (Enclosing_Instance.GetBoost() != 1.0f) queryExpl.AddDetail(boostExpl); queryExpl.SetValue(boostExpl.GetValue()); return queryExpl; }
public virtual Explanation Explain(IndexReader reader, int doc) { Explanation result = new Explanation(); result.SetDescription("weight(" + GetQuery() + " in " + doc + "), product of:"); System.Text.StringBuilder docFreqs = new System.Text.StringBuilder(); System.Text.StringBuilder query = new System.Text.StringBuilder(); query.Append('\"'); for (int i = 0; i < Enclosing_Instance.terms.Count; i++) { if (i != 0) { docFreqs.Append(" "); query.Append(" "); } Term term = (Term)Enclosing_Instance.terms[i]; docFreqs.Append(term.Text()); docFreqs.Append("="); docFreqs.Append(reader.DocFreq(term)); query.Append(term.Text()); } query.Append('\"'); Explanation idfExpl = new Explanation(idf, "idf(" + Enclosing_Instance.field + ": " + docFreqs + ")"); // explain query weight Explanation queryExpl = new Explanation(); queryExpl.SetDescription("queryWeight(" + GetQuery() + "), product of:"); Explanation boostExpl = new Explanation(Enclosing_Instance.GetBoost(), "boost"); if (Enclosing_Instance.GetBoost() != 1.0f) { queryExpl.AddDetail(boostExpl); } queryExpl.AddDetail(idfExpl); Explanation queryNormExpl = new Explanation(queryNorm, "queryNorm"); queryExpl.AddDetail(queryNormExpl); queryExpl.SetValue(boostExpl.GetValue() * idfExpl.GetValue() * queryNormExpl.GetValue()); result.AddDetail(queryExpl); // explain field weight Explanation fieldExpl = new Explanation(); fieldExpl.SetDescription("fieldWeight(" + Enclosing_Instance.field + ":" + query + " in " + doc + "), product of:"); Explanation tfExpl = Scorer(reader).Explain(doc); fieldExpl.AddDetail(tfExpl); fieldExpl.AddDetail(idfExpl); Explanation fieldNormExpl = new Explanation(); byte[] fieldNorms = reader.Norms(Enclosing_Instance.field); float fieldNorm = fieldNorms != null?Similarity.DecodeNorm(fieldNorms[doc]) : 0.0f; fieldNormExpl.SetValue(fieldNorm); fieldNormExpl.SetDescription("fieldNorm(field=" + Enclosing_Instance.field + ", doc=" + doc + ")"); fieldExpl.AddDetail(fieldNormExpl); fieldExpl.SetValue(tfExpl.GetValue() * idfExpl.GetValue() * fieldNormExpl.GetValue()); result.AddDetail(fieldExpl); // combine them result.SetValue(queryExpl.GetValue() * fieldExpl.GetValue()); if (queryExpl.GetValue() == 1.0f) { return(fieldExpl); } return(result); }
public override Explanation CustomExplain(int doc, Explanation subQueryExpl, Explanation[] valSrcExpls) { if (valSrcExpls.Length == 0) { return subQueryExpl; } Explanation exp = new Explanation(valSrcExpls[0].Value + subQueryExpl.Value, "sum of:"); exp.AddDetail(subQueryExpl); exp.AddDetail(valSrcExpls[0]); if (valSrcExpls.Length == 1) { exp.Description = "CustomMulAdd, sum of:"; return exp; } Explanation exp2 = new Explanation(valSrcExpls[1].Value * exp.Value, "custom score: product of:"); exp2.AddDetail(valSrcExpls[1]); exp2.AddDetail(exp); return exp2; }
public override Explanation Explain(AtomicReaderContext ir, int i) { Explanation inner = Weight.Explain(ir, i); Filter f = OuterInstance.Filter_Renamed; DocIdSet docIdSet = f.GetDocIdSet(ir, ir.AtomicReader.LiveDocs); DocIdSetIterator docIdSetIterator = docIdSet == null ? DocIdSetIterator.Empty() : docIdSet.GetIterator(); if (docIdSetIterator == null) { docIdSetIterator = DocIdSetIterator.Empty(); } if (docIdSetIterator.Advance(i) == i) { return inner; } else { Explanation result = new Explanation(0.0f, "failure to match filter: " + f.ToString()); result.AddDetail(inner); return result; } }
public virtual Explanation Explain(IndexReader reader, int doc) { Explanation result = new Explanation(); result.SetDescription("weight(" + GetQuery() + " in " + doc + "), product of:"); Explanation idfExpl = new Explanation(idf, "idf(" + GetQuery() + ")"); // explain query weight Explanation queryExpl = new Explanation(); queryExpl.SetDescription("queryWeight(" + GetQuery() + "), product of:"); Explanation boostExpl = new Explanation(Enclosing_Instance.GetBoost(), "boost"); if (Enclosing_Instance.GetBoost() != 1.0f) queryExpl.AddDetail(boostExpl); queryExpl.AddDetail(idfExpl); Explanation queryNormExpl = new Explanation(queryNorm, "queryNorm"); queryExpl.AddDetail(queryNormExpl); queryExpl.SetValue(boostExpl.GetValue() * idfExpl.GetValue() * queryNormExpl.GetValue()); result.AddDetail(queryExpl); // explain field weight Explanation fieldExpl = new Explanation(); fieldExpl.SetDescription("fieldWeight(" + GetQuery() + " in " + doc + "), product of:"); Explanation tfExpl = Scorer(reader).Explain(doc); fieldExpl.AddDetail(tfExpl); fieldExpl.AddDetail(idfExpl); Explanation fieldNormExpl = new Explanation(); byte[] fieldNorms = reader.Norms(Enclosing_Instance.field); float fieldNorm = fieldNorms != null?Similarity.DecodeNorm(fieldNorms[doc]):0.0f; fieldNormExpl.SetValue(fieldNorm); fieldNormExpl.SetDescription("fieldNorm(field=" + Enclosing_Instance.field + ", doc=" + doc + ")"); fieldExpl.AddDetail(fieldNormExpl); fieldExpl.SetValue(tfExpl.GetValue() * idfExpl.GetValue() * fieldNormExpl.GetValue()); result.AddDetail(fieldExpl); // combine them result.SetValue(queryExpl.GetValue() * fieldExpl.GetValue()); if (queryExpl.GetValue() == 1.0f) return fieldExpl; return result; }
/// <summary> /// Explain the custom score. /// Whenever overriding <seealso cref="#customScore(int, float, float[])"/>, /// this method should also be overridden to provide the correct explanation /// for the part of the custom scoring. /// </summary> /// <param name="doc"> doc being explained. </param> /// <param name="subQueryExpl"> explanation for the sub-query part. </param> /// <param name="valSrcExpls"> explanation for the value source part. </param> /// <returns> an explanation for the custom score </returns> public virtual Explanation CustomExplain(int doc, Explanation subQueryExpl, Explanation[] valSrcExpls) { if (valSrcExpls.Length == 1) { return CustomExplain(doc, subQueryExpl, valSrcExpls[0]); } if (valSrcExpls.Length == 0) { return subQueryExpl; } float valSrcScore = 1; foreach (Explanation valSrcExpl in valSrcExpls) { valSrcScore *= valSrcExpl.Value; } Explanation exp = new Explanation(valSrcScore * subQueryExpl.Value, "custom score: product of:"); exp.AddDetail(subQueryExpl); foreach (Explanation valSrcExpl in valSrcExpls) { exp.AddDetail(valSrcExpl); } return exp; }
/// <summary> /// Explain the custom score. /// Whenever overriding <seealso cref="#customScore(int, float, float)"/>, /// this method should also be overridden to provide the correct explanation /// for the part of the custom scoring. /// </summary> /// <param name="doc"> doc being explained. </param> /// <param name="subQueryExpl"> explanation for the sub-query part. </param> /// <param name="valSrcExpl"> explanation for the value source part. </param> /// <returns> an explanation for the custom score </returns> public virtual Explanation CustomExplain(int doc, Explanation subQueryExpl, Explanation valSrcExpl) { float valSrcScore = 1; if (valSrcExpl != null) { valSrcScore *= valSrcExpl.Value; } Explanation exp = new Explanation(valSrcScore * subQueryExpl.Value, "custom score: product of:"); exp.AddDetail(subQueryExpl); exp.AddDetail(valSrcExpl); return exp; }
public override Explanation Explain(int doc) { Explanation res = new Explanation(); if (exclDisi.Advance(doc) == doc) { res.SetDescription("excluded"); } else { res.SetDescription("not excluded"); res.AddDetail(reqScorer.Explain(doc)); } return res; }
public virtual Explanation Explain(IndexReader reader, int doc) { int minShouldMatch = Enclosing_Instance.GetMinimumNumberShouldMatch(); ComplexExplanation sumExpl = new ComplexExplanation(); sumExpl.SetDescription("sum of:"); int coord = 0; int maxCoord = 0; float sum = 0.0f; bool fail = false; int shouldMatchCount = 0; for (int i = 0; i < weights.Count; i++) { BooleanClause c = (BooleanClause) Enclosing_Instance.clauses[i]; Weight w = (Weight) weights[i]; Explanation e = w.Explain(reader, doc); if (!c.IsProhibited()) maxCoord++; if (e.IsMatch()) { if (!c.IsProhibited()) { sumExpl.AddDetail(e); sum += e.GetValue(); coord++; } else { Explanation r = new Explanation(0.0f, "match on prohibited clause (" + c.GetQuery().ToString() + ")"); r.AddDetail(e); sumExpl.AddDetail(r); fail = true; } if (c.GetOccur().Equals(Occur.SHOULD)) shouldMatchCount++; } else if (c.IsRequired()) { Explanation r = new Explanation(0.0f, "no match on required clause (" + c.GetQuery().ToString() + ")"); r.AddDetail(e); sumExpl.AddDetail(r); fail = true; } } if (fail) { System.Boolean tempAux = false; sumExpl.SetMatch(tempAux); sumExpl.SetValue(0.0f); sumExpl.SetDescription("Failure to meet condition(s) of required/prohibited clause(s)"); return sumExpl; } else if (shouldMatchCount < minShouldMatch) { System.Boolean tempAux2 = false; sumExpl.SetMatch(tempAux2); sumExpl.SetValue(0.0f); sumExpl.SetDescription("Failure to match minimum number " + "of optional clauses: " + minShouldMatch); return sumExpl; } sumExpl.SetMatch(0 < coord ? true : false); sumExpl.SetValue(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 virtual Explanation Explain(IndexReader reader, int doc) { Explanation sumExpl = new Explanation(); sumExpl.SetDescription("sum of:"); int coord = 0; int maxCoord = 0; float sum = 0.0f; for (int i = 0; i < weights.Count; i++) { BooleanClause c = (BooleanClause)Enclosing_Instance.clauses[i]; Weight w = (Weight)weights[i]; Explanation e = w.Explain(reader, doc); if (!c.IsProhibited()) { maxCoord++; } if (e.GetValue() > 0) { if (!c.IsProhibited()) { sumExpl.AddDetail(e); sum += e.GetValue(); coord++; } else { return(new Explanation(0.0f, "match prohibited")); } } else if (c.IsRequired()) { return(new Explanation(0.0f, "match required")); } } sumExpl.SetValue(sum); if (coord == 1) { // only one clause matched sumExpl = sumExpl.GetDetails()[0]; // eliminate wrapper } float coordFactor = similarity.Coord(coord, maxCoord); if (coordFactor == 1.0f) { // coord is no-op return(sumExpl); } // eliminate wrapper else { Explanation result = new Explanation(); result.SetDescription("product of:"); result.AddDetail(sumExpl); result.AddDetail(new Explanation(coordFactor, "coord(" + coord + "/" + maxCoord + ")")); result.SetValue(sum * coordFactor); return(result); } }