public override Scorer Scorer(IndexReader reader, bool scoreDocsInOrder, bool topScorer) { TermDocs termDocs = reader.TermDocs(Enclosing_Instance.term); if (termDocs == null) { return(null); } return(new TermScorer(this, termDocs, similarity, reader.Norms(Enclosing_Instance.term.Field()))); }
public override 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('\"'); docFreqs.Append(idfExp.Explain()); for (int i = 0; i < Enclosing_Instance.terms.Count; i++) { if (i != 0) { query.Append(" "); } Term 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.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:"); 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.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 Scorer Scorer(IndexReader reader, bool scoreDocsInOrder, bool topScorer) { if (Enclosing_Instance.terms.Count == 0) { // optimize zero-term case return(null); } TermPositions[] tps = new TermPositions[Enclosing_Instance.terms.Count]; for (int i = 0; i < Enclosing_Instance.terms.Count; i++) { TermPositions p = reader.TermPositions((Term)Enclosing_Instance.terms[i]); if (p == null) { return(null); } tps[i] = p; } if (Enclosing_Instance.slop == 0) { // optimize exact case return(new ExactPhraseScorer(this, tps, Enclosing_Instance.GetPositions(), similarity, reader.Norms(Enclosing_Instance.field))); } else { return(new SloppyPhraseScorer(this, tps, Enclosing_Instance.GetPositions(), similarity, Enclosing_Instance.slop, reader.Norms(Enclosing_Instance.field))); } }
public override Scorer Scorer(IndexReader reader, bool scoreDocsInOrder, bool topScorer) { return(new PayloadTermSpanScorer(this, (TermSpans)query.GetSpans(reader), this, similarity, reader.Norms(query.GetField()))); }
public override Scorer Scorer(IndexReader reader, bool scoreDocsInOrder, bool topScorer) { TermDocs termDocs = reader.TermDocs(Enclosing_Instance.term); if (termDocs == null) return null; return new TermScorer(this, termDocs, similarity, reader.Norms(Enclosing_Instance.term.Field())); }
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 Scorer Scorer(IndexReader reader, bool scoreDocsInOrder, bool topScorer) { return(new MatchAllScorer(enclosingInstance, reader, similarity, this, Enclosing_Instance.normsField != null?reader.Norms(Enclosing_Instance.normsField):null)); }
public override Scorer Scorer(IndexReader reader, bool scoreDocsInOrder, bool topScorer) { if (Enclosing_Instance.termArrays.Count == 0) { // optimize zero-term case return(null); } TermPositions[] tps = new TermPositions[Enclosing_Instance.termArrays.Count]; for (int i = 0; i < tps.Length; i++) { Term[] terms = (Term[])Enclosing_Instance.termArrays[i]; TermPositions p; if (terms.Length > 1) { p = new MultipleTermPositions(reader, terms); } else { p = reader.TermPositions(terms[0]); } if (p == null) { return(null); } tps[i] = p; } if (Enclosing_Instance.slop == 0) { return(new ExactPhraseScorer(this, tps, Enclosing_Instance.GetPositions(), similarity, reader.Norms(Enclosing_Instance.field))); } else { return(new SloppyPhraseScorer(this, tps, Enclosing_Instance.GetPositions(), similarity, Enclosing_Instance.slop, reader.Norms(Enclosing_Instance.field))); } }
public virtual Scorer Scorer(IndexReader reader) { return new PayloadNearSpanScorer(enclosingInstance, query.GetSpans(reader), this, similarity, reader.Norms(query.GetField())); }
public override Scorer Scorer(IndexReader reader, bool scoreDocsInOrder, bool topScorer) { return new SpanScorer(query.GetSpans(reader), this, similarity, reader.Norms(query.GetField())); }
public override Scorer Scorer(IndexReader reader, bool scoreDocsInOrder, bool topScorer) { return new MatchAllScorer(enclosingInstance, reader, similarity, this, Enclosing_Instance.normsField != null?reader.Norms(Enclosing_Instance.normsField):null); }
public override Scorer Scorer(IndexReader reader, bool scoreDocsInOrder, bool topScorer) { if (Enclosing_Instance.termArrays.Count == 0) // optimize zero-term case return null; TermPositions[] tps = new TermPositions[Enclosing_Instance.termArrays.Count]; for (int i = 0; i < tps.Length; i++) { Term[] terms = (Term[]) Enclosing_Instance.termArrays[i]; TermPositions p; if (terms.Length > 1) p = new MultipleTermPositions(reader, terms); else p = reader.TermPositions(terms[0]); if (p == null) return null; tps[i] = p; } if (Enclosing_Instance.slop == 0) return new ExactPhraseScorer(this, tps, Enclosing_Instance.GetPositions(), similarity, reader.Norms(Enclosing_Instance.field)); else return new SloppyPhraseScorer(this, tps, Enclosing_Instance.GetPositions(), similarity, Enclosing_Instance.slop, reader.Norms(Enclosing_Instance.field)); }
public override 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('\"'); docFreqs.Append(idfExp.Explain()); for (int i = 0; i < Enclosing_Instance.terms.Count; i++) { if (i != 0) { query.Append(" "); } Term 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.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:"); 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.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 Scorer Scorer(IndexReader reader, bool scoreDocsInOrder, bool topScorer) { if (Enclosing_Instance.terms.Count == 0) // optimize zero-term case return null; TermPositions[] tps = new TermPositions[Enclosing_Instance.terms.Count]; for (int i = 0; i < Enclosing_Instance.terms.Count; i++) { TermPositions p = reader.TermPositions((Term) Enclosing_Instance.terms[i]); if (p == null) return null; tps[i] = p; } if (Enclosing_Instance.slop == 0) // optimize exact case return new ExactPhraseScorer(this, tps, Enclosing_Instance.GetPositions(), similarity, reader.Norms(Enclosing_Instance.field)); else return new SloppyPhraseScorer(this, tps, Enclosing_Instance.GetPositions(), similarity, Enclosing_Instance.slop, reader.Norms(Enclosing_Instance.field)); }
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 virtual Scorer Scorer(IndexReader reader) { return(new PayloadNearSpanScorer(enclosingInstance, query.GetSpans(reader), this, similarity, reader.Norms(query.GetField()))); }
public override Scorer Scorer(IndexReader reader, bool scoreDocsInOrder, bool topScorer) { return(new PayloadNearSpanScorer(enclosingInstance, query.GetSpans(reader), this, similarity, reader.Norms(query.GetField()))); }
public override Scorer Scorer(IndexReader reader, bool scoreDocsInOrder, bool topScorer) { return new PayloadNearSpanScorer(enclosingInstance, query.GetSpans(reader), this, similarity, reader.Norms(query.GetField())); }