public override Explanation Explain(IndexReader reader, int doc, IState state)
{
var cs = new ConstantScorer(enclosingInstance, similarity, reader, this, state);
bool exists = cs.docIdSetIterator.Advance(doc, state) == doc;
var result = new ComplexExplanation();
if (exists)
{
result.Description = "ConstantScoreQuery(" + Enclosing_Instance.internalFilter + "), product of:";
result.Value = queryWeight;
System.Boolean tempAux = true;
result.Match = tempAux;
result.AddDetail(new Explanation(Enclosing_Instance.Boost, "boost"));
result.AddDetail(new Explanation(queryNorm, "queryNorm"));
}
else
{
result.Description = "ConstantScoreQuery(" + Enclosing_Instance.internalFilter + ") doesn't match id " + doc;
result.Value = 0;
System.Boolean tempAux2 = false;
result.Match = tempAux2;
}
return(result);
}
public virtual Explanation Explain(IndexReader reader, int doc)
{
ConstantScorer cs = (ConstantScorer)Scorer(reader);
bool exists = cs.bits.Get(doc);
ComplexExplanation result = new ComplexExplanation();
if (exists)
{
result.SetDescription("ConstantScoreQuery(" + Enclosing_Instance.filter + "), product of:");
result.SetValue(queryWeight);
System.Boolean tempAux = true;
result.SetMatch(tempAux);
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);
System.Boolean tempAux2 = false;
result.SetMatch(tempAux2);
}
return(result);
}
public override Explanation Explain(IndexReader reader, int doc)
{
ConstantScorer cs = new ConstantScorer(enclosingInstance, similarity, reader, this);
bool exists = cs.docIdSetIterator.Advance(doc) == doc;
ComplexExplanation result = new ComplexExplanation();
if (exists)
{
result.SetDescription("ConstantScoreQuery(" + Enclosing_Instance.filter + "), product of:");
result.SetValue(queryWeight);
System.Boolean tempAux = true;
result.SetMatch(tempAux);
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);
System.Boolean tempAux2 = false;
result.SetMatch(tempAux2);
}
return(result);
}
public override Explanation Explain(AtomicReaderContext context, int doc)
{
// explain query weight
Explanation queryExpl = new ComplexExplanation(true, queryWeight, "MatchAllDocsQuery, product of:");
if (outerInstance.Boost != 1.0f)
{
queryExpl.AddDetail(new Explanation(outerInstance.Boost, "boost"));
}
queryExpl.AddDetail(new Explanation(queryNorm, "queryNorm"));
return(queryExpl);
}
public override Explanation Explain(IndexReader reader, int doc)
{
// explain query weight
Explanation queryExpl = new ComplexExplanation(true, this.Value, "docset query, product of:");
float boost = _query.Boost;
if (boost != 1.0f)
{
queryExpl.AddDetail(new Explanation(boost, "boost"));
}
queryExpl.AddDetail(new Explanation(_queryNorm, "queryNorm"));
return queryExpl;
}
public override Explanation Explain(IndexReader reader, int doc)
{
// explain query weight
Explanation queryExpl = new ComplexExplanation(true, GetValue(), "MatchAllDocsQuery, product of:");
if (Enclosing_Instance.GetBoost() != 1.0f)
{
queryExpl.AddDetail(new Explanation(Enclosing_Instance.GetBoost(), "boost"));
}
queryExpl.AddDetail(new Explanation(queryNorm, "queryNorm"));
return(queryExpl);
}
/* Explain the score we computed for doc */
public override Explanation Explain(IndexReader reader, int doc)
{
if (Enclosing_Instance.disjuncts.Count == 1)
{
return(((Weight)weights[0]).Explain(reader, doc));
}
ComplexExplanation result = new ComplexExplanation();
float max = 0.0f, sum = 0.0f;
result.SetDescription(Enclosing_Instance.tieBreakerMultiplier == 0.0f?"max of:":"max plus " + Enclosing_Instance.tieBreakerMultiplier + " times others of:");
for (System.Collections.IEnumerator iter = weights.GetEnumerator(); iter.MoveNext();)
{
Explanation e = ((Weight)iter.Current).Explain(reader, doc);
if (e.IsMatch())
{
System.Boolean tempAux = true;
result.SetMatch(tempAux);
result.AddDetail(e);
sum += e.GetValue();
max = System.Math.Max(max, e.GetValue());
}
}
result.SetValue(max + (sum - max) * Enclosing_Instance.tieBreakerMultiplier);
return(result);
}
/* Explain the score we computed for doc */
public override Explanation Explain(IndexReader reader, int doc, IState state)
{
if (Enclosing_Instance.disjuncts.Count == 1)
{
return(weights[0].Explain(reader, doc, state));
}
ComplexExplanation result = new ComplexExplanation();
float max = 0.0f, sum = 0.0f;
result.Description = Enclosing_Instance.tieBreakerMultiplier == 0.0f?"max of:":"max plus " + Enclosing_Instance.tieBreakerMultiplier + " times others of:";
foreach (Weight wt in weights)
{
Explanation e = wt.Explain(reader, doc, state);
if (e.IsMatch)
{
System.Boolean tempAux = true;
result.Match = tempAux;
result.AddDetail(e);
sum += e.Value;
max = System.Math.Max(max, e.Value);
}
}
result.Value = max + (sum - max) * Enclosing_Instance.tieBreakerMultiplier;
return(result);
}
/* Explain the score we computed for doc */
public virtual Explanation Explain(IndexReader reader, int doc)
{
if (Enclosing_Instance.disjuncts.Count == 1)
{
return(((Weight)weights[0]).Explain(reader, doc));
}
ComplexExplanation result = new ComplexExplanation();
float max = 0.0f, sum = 0.0f;
result.SetDescription(Enclosing_Instance.tieBreakerMultiplier == 0.0f ? "max of:" : "max plus " + Enclosing_Instance.tieBreakerMultiplier + " times others of:");
for (int i = 0; i < weights.Count; i++)
{
Explanation e = ((Weight)weights[i]).Explain(reader, doc);
if (e.IsMatch())
{
System.Boolean tempAux = true;
result.SetMatch(tempAux);
result.AddDetail(e);
sum += e.GetValue();
max = System.Math.Max(max, e.GetValue());
}
}
result.SetValue(max + (sum - max) * Enclosing_Instance.tieBreakerMultiplier);
return(result);
}
public override Explanation Explain(AtomicReaderContext context, int doc)
{
Scorer cs = GetScorer(context, (context.AtomicReader).LiveDocs);
bool exists = (cs != null && cs.Advance(doc) == doc);
ComplexExplanation result = new ComplexExplanation();
if (exists)
{
result.Description = outerInstance.ToString() + ", product of:";
result.Value = queryWeight;
result.Match = true;
result.AddDetail(new Explanation(outerInstance.Boost, "boost"));
result.AddDetail(new Explanation(queryNorm, "queryNorm"));
}
else
{
result.Description = outerInstance.ToString() + " doesn't match id " + doc;
result.Value = 0;
result.Match = false;
}
return(result);
}
public override Explanation Explain(AtomicReaderContext context, int doc)
{
Scorer scorer = GetScorer(context, context.AtomicReader.LiveDocs);
if (scorer != null)
{
int newDoc = scorer.Advance(doc);
if (newDoc == doc)
{
float freq = scorer.Freq;
SimScorer docScorer = similarity.GetSimScorer(stats, context);
ComplexExplanation result = new ComplexExplanation();
result.Description = "weight(" + Query + " in " + doc + ") [" + similarity.GetType().Name + "], result of:";
Explanation scoreExplanation = docScorer.Explain(doc, new Explanation(freq, "termFreq=" + freq));
result.AddDetail(scoreExplanation);
result.Value = scoreExplanation.Value;
result.Match = true;
return(result);
}
}
return(new ComplexExplanation(false, 0.0f, "no matching term"));
}
public override Explanation Explain(AtomicReaderContext context, int doc)
{
Scorer scorer = Scorer(context, (context.AtomicReader).LiveDocs);
if (scorer != null)
{
int newDoc = scorer.Advance(doc);
if (newDoc == doc)
{
float freq = OuterInstance.slop == 0 ? scorer.Freq() : ((SloppyPhraseScorer)scorer).SloppyFreq();
SimScorer docScorer = Similarity.DoSimScorer(Stats, context);
ComplexExplanation result = new ComplexExplanation();
result.Description = "weight(" + Query + " in " + doc + ") [" + Similarity.GetType().Name + "], result of:";
Explanation scoreExplanation = docScorer.Explain(doc, new Explanation(freq, "phraseFreq=" + freq));
result.AddDetail(scoreExplanation);
result.Value = scoreExplanation.Value;
result.Match = true;
return(result);
}
}
return(new ComplexExplanation(false, 0.0f, "no matching term"));
}
/// <summary>
/// Explain the score we computed for doc </summary>
public override Explanation Explain(AtomicReaderContext context, int doc)
{
if (outerInstance.disjuncts.Count == 1)
{
return(m_weights[0].Explain(context, doc));
}
ComplexExplanation result = new ComplexExplanation();
float max = 0.0f, sum = 0.0f;
result.Description = outerInstance.tieBreakerMultiplier == 0.0f ? "max of:" : "max plus " + outerInstance.tieBreakerMultiplier + " times others of:";
foreach (Weight wt in m_weights)
{
Explanation e = wt.Explain(context, doc);
if (e.IsMatch)
{
result.Match = true;
result.AddDetail(e);
sum += e.Value;
max = Math.Max(max, e.Value);
}
}
result.Value = max + (sum - max) * outerInstance.tieBreakerMultiplier;
return(result);
}
public override Explanation Explain(AtomicReaderContext context, int doc)
{
Scorer cs = Scorer(context, (context.AtomicReader).LiveDocs);
bool exists = (cs != null && cs.Advance(doc) == doc);
ComplexExplanation result = new ComplexExplanation();
if (exists)
{
result.Description = OuterInstance.ToString() + ", product of:";
result.Value = QueryWeight;
result.Match = true;
result.AddDetail(new Explanation(OuterInstance.Boost, "boost"));
result.AddDetail(new Explanation(QueryNorm, "queryNorm"));
}
else
{
result.Description = OuterInstance.ToString() + " doesn't match id " + doc;
result.Value = 0;
result.Match = false;
}
return result;
}
public /*override*/ Explanation Explain(int doc)
{
float sc = qWeight * vals.FloatVal(doc);
Explanation result = new ComplexExplanation
(true, sc, "FunctionQuery(" + ((FunctionQuery)weight.Query).func + "), product of:");
result.AddDetail(vals.Explain(doc));
result.AddDetail(new Explanation(weight.Query.Boost, "boost"));
result.AddDetail(new Explanation(weight.GetQueryNorm(), "queryNorm"));
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
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);
bool?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.Description = "weight(" + Query + " in " + doc + "), product of:";
System.String field = ((SpanQuery) Query).Field;
Explanation idfExpl = new Explanation(idf, "idf(" + field + ": " + idfExp.Explain() + ")");
// explain query weight
Explanation queryExpl = new Explanation();
queryExpl.Description = "queryWeight(" + Query + "), product of:";
Explanation boostExpl = new Explanation(Query.Boost, "boost");
if (Query.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(" + field + ":" + internalQuery.ToString(field) + " in " + doc + "), product of:";
Explanation tfExpl = ((SpanScorer)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.Value = fieldNorm;
fieldNormExpl.Description = "fieldNorm(field=" + field + ", doc=" + doc + ")";
fieldExpl.AddDetail(fieldNormExpl);
fieldExpl.Match = tfExpl.IsMatch;
fieldExpl.Value = tfExpl.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 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 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 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 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 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);
bool?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(int doc)
{
ComplexExplanation result = new ComplexExplanation();
Explanation nonPayloadExpl = base.Explain(doc);
result.AddDetail(nonPayloadExpl);
//QUESTION: Is there a wau to avoid this skipTo call? We need to know whether to load the payload or not
Explanation payloadBoost = new Explanation();
result.AddDetail(payloadBoost);
/*
if (skipTo(doc) == true) {
processPayload();
}*/
float avgPayloadScore = (payloadsSeen > 0 ? (payloadScore / payloadsSeen) : 1);
payloadBoost.SetValue(avgPayloadScore);
//GSI: I suppose we could toString the payload, but I don't think that would be a good idea
payloadBoost.SetDescription("scorePayload(...)");
result.SetValue(nonPayloadExpl.GetValue() * avgPayloadScore);
result.SetDescription("btq, product of:");
result.SetMatch(nonPayloadExpl.GetValue() == 0 ? false : true); // LUCENE-1303
return result;
}
public virtual Explanation Explain(int d)
{
float sc = qWeight * vals.FloatVal(d);
Explanation result = new ComplexExplanation(true, sc, "FunctionQuery(" + outerInstance.func + "), product of:");
result.AddDetail(vals.Explain(d));
result.AddDetail(new Explanation(outerInstance.Boost, "boost"));
result.AddDetail(new Explanation(weight.queryNorm, "queryNorm"));
return result;
}
/* Explain the score we computed for doc */
public virtual Explanation Explain(IndexReader reader, int doc)
{
if (Enclosing_Instance.disjuncts.Count == 1)
return ((Weight) weights[0]).Explain(reader, doc);
ComplexExplanation result = new ComplexExplanation();
float max = 0.0f, sum = 0.0f;
result.SetDescription(Enclosing_Instance.tieBreakerMultiplier == 0.0f ? "max of:" : "max plus " + Enclosing_Instance.tieBreakerMultiplier + " times others of:");
for (int i = 0; i < weights.Count; i++)
{
Explanation e = ((Weight) weights[i]).Explain(reader, doc);
if (e.IsMatch())
{
System.Boolean tempAux = true;
result.SetMatch(tempAux);
result.AddDetail(e);
sum += e.GetValue();
max = System.Math.Max(max, e.GetValue());
}
}
result.SetValue(max + (sum - max) * Enclosing_Instance.tieBreakerMultiplier);
return result;
}
public override Explanation Explain(IndexReader reader, int doc)
{
var cs = new ConstantScorer(enclosingInstance, similarity, reader, this);
bool exists = cs.docIdSetIterator.Advance(doc) == doc;
var result = new ComplexExplanation();
if (exists)
{
result.Description = "ConstantScoreQuery(" + Enclosing_Instance.internalFilter + "), product of:";
result.Value = queryWeight;
System.Boolean tempAux = true;
result.Match = tempAux;
result.AddDetail(new Explanation(Enclosing_Instance.Boost, "boost"));
result.AddDetail(new Explanation(queryNorm, "queryNorm"));
}
else
{
result.Description = "ConstantScoreQuery(" + Enclosing_Instance.internalFilter + ") doesn't match id " + doc;
result.Value = 0;
System.Boolean tempAux2 = false;
result.Match = tempAux2;
}
return result;
}
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 = Weights.GetEnumerator(); wIter.MoveNext();)
{
Weight w = wIter.Current;
cIter.MoveNext();
BooleanClause c = cIter.Current;
if (w.Scorer(context, context.AtomicReader.LiveDocs) == null)
{
if (c.Required)
{
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.Prohibited)
{
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.Required)
{
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, 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 + "/" + maxCoord + ")"));
return(result);
}
}
/* Explain the score we computed for doc */
public override Explanation Explain(IndexReader reader, int doc)
{
if (Enclosing_Instance.disjuncts.Count == 1)
return ((Weight) weights[0]).Explain(reader, doc);
ComplexExplanation result = new ComplexExplanation();
float max = 0.0f, sum = 0.0f;
result.SetDescription(Enclosing_Instance.tieBreakerMultiplier == 0.0f?"max of:":"max plus " + Enclosing_Instance.tieBreakerMultiplier + " times others of:");
for (System.Collections.IEnumerator iter = weights.GetEnumerator(); iter.MoveNext(); )
{
Explanation e = ((Weight) iter.Current).Explain(reader, doc);
if (e.IsMatch())
{
System.Boolean tempAux = true;
result.SetMatch(tempAux);
result.AddDetail(e);
sum += e.GetValue();
max = System.Math.Max(max, e.GetValue());
}
}
result.SetValue(max + (sum - max) * Enclosing_Instance.tieBreakerMultiplier);
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);
}
/*(non-Javadoc) <see cref="Lucene.Net.Search.Weight.explain(Lucene.Net.Index.IndexReader, int) */
public override Explanation Explain(IndexReader reader, int doc)
{
DocValues vals = enclosingInstance.valSrc.GetValues(reader);
float sc = queryWeight*vals.FloatVal(doc);
Explanation result = new ComplexExplanation(true, sc, enclosingInstance.ToString() + ", product of:")
;
result.AddDetail(vals.Explain(doc));
result.AddDetail(new Explanation(enclosingInstance.Boost, "boost"));
result.AddDetail(new Explanation(queryNorm, "queryNorm"));
return result;
}
internal virtual Explanation DoExplain(AtomicReaderContext info, int doc)
{
var subQueryExpl = subQueryWeight.Explain(info, doc);
if (!subQueryExpl.IsMatch)
{
return subQueryExpl;
}
// match
var valSrcExpls = new Explanation[valSrcWeights.Length];
for (int i = 0; i < valSrcWeights.Length; i++)
{
valSrcExpls[i] = valSrcWeights[i].Explain(info, doc);
}
Explanation customExp = outerInstance.GetCustomScoreProvider(info)
.CustomExplain(doc, subQueryExpl, valSrcExpls);
float sc = outerInstance.Boost * customExp.Value;
Explanation res = new ComplexExplanation(true, sc, outerInstance.ToString() + ", product of:");
res.AddDetail(customExp);
res.AddDetail(new Explanation(outerInstance.Boost, "queryBoost"));
// actually using the q boost as q weight (== weight value)
return res;
}
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 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)
{
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;
}
}
/*(non-Javadoc) @see Lucene.Net.Search.Scorer#explain(int) */
public override Explanation Explain(int doc)
{
float sc = qWeight * vals.FloatVal(doc);
Explanation result = new ComplexExplanation(true, sc, Enclosing_Instance.ToString() + ", product of:");
result.AddDetail(vals.Explain(doc));
result.AddDetail(new Explanation(Enclosing_Instance.GetBoost(), "boost"));
result.AddDetail(new Explanation(weight.queryNorm, "queryNorm"));
return result;
}
public Explanation Explain(int doc)
{
var subQueryExpl = weight.qWeight.Explain(readerContext, doc);
if (!subQueryExpl.IsMatch)
{
return subQueryExpl;
}
float sc = subQueryExpl.Value * vals.FloatVal(doc);
Explanation res = new ComplexExplanation(true, sc, outerInstance.ToString() + ", product of:");
res.AddDetail(subQueryExpl);
res.AddDetail(vals.Explain(doc));
return res;
}
public override Explanation Explain(IndexReader reader, int doc)
{
// explain query weight
Explanation queryExpl = new ComplexExplanation(true, Value, "MatchAllDocsQuery, product of:");
if (Enclosing_Instance.Boost != 1.0f)
{
queryExpl.AddDetail(new Explanation(Enclosing_Instance.Boost, "boost"));
}
queryExpl.AddDetail(new Explanation(queryNorm, "queryNorm"));
return queryExpl;
}
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 Explain(IndexReader reader, int doc)
{
ConstantScorer cs = new ConstantScorer(enclosingInstance, similarity, reader, this);
bool exists = cs.docIdSetIterator.Advance(doc) == doc;
ComplexExplanation result = new ComplexExplanation();
if (exists)
{
result.SetDescription("ConstantScoreQuery(" + Enclosing_Instance.filter + "), product of:");
result.SetValue(queryWeight);
System.Boolean tempAux = true;
result.SetMatch(tempAux);
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);
System.Boolean tempAux2 = false;
result.SetMatch(tempAux2);
}
return result;
}
public virtual Explanation Explain(IndexReader reader, int doc)
{
ConstantScorer cs = (ConstantScorer) Scorer(reader);
bool exists = cs.bits.Get(doc);
ComplexExplanation result = new ComplexExplanation();
if (exists)
{
result.SetDescription("ConstantScoreQuery(" + Enclosing_Instance.filter + "), product of:");
result.SetValue(queryWeight);
System.Boolean tempAux = true;
result.SetMatch(tempAux);
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);
System.Boolean tempAux2 = false;
result.SetMatch(tempAux2);
}
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(AtomicReaderContext context, int doc)
{
// explain query weight
Explanation queryExpl = new ComplexExplanation(true, QueryWeight, "MatchAllDocsQuery, product of:");
if (OuterInstance.Boost != 1.0f)
{
queryExpl.AddDetail(new Explanation(OuterInstance.Boost, "boost"));
}
queryExpl.AddDetail(new Explanation(QueryNorm, "queryNorm"));
return queryExpl;
}
public override Explanation Explain(AtomicReaderContext context, int doc)
{
Scorer scorer = Scorer(context, context.AtomicReader.LiveDocs);
if (scorer != null)
{
int newDoc = scorer.Advance(doc);
if (newDoc == doc)
{
float freq = scorer.Freq();
SimScorer docScorer = Similarity.DoSimScorer(Stats, context);
ComplexExplanation result = new ComplexExplanation();
result.Description = "weight(" + Query + " in " + doc + ") [" + Similarity.GetType().Name + "], result of:";
Explanation scoreExplanation = docScorer.Explain(doc, new Explanation(freq, "termFreq=" + freq));
result.AddDetail(scoreExplanation);
result.Value = scoreExplanation.Value;
result.Match = true;
return result;
}
}
return new ComplexExplanation(false, 0.0f, "no matching term");
}
public override Explanation Explain(AtomicReaderContext readerContext, int doc)
{
Explanation subQueryExpl = qWeight.Explain(readerContext, doc);
if (!subQueryExpl.IsMatch)
{
return subQueryExpl;
}
FunctionValues vals = outerInstance.boostVal.GetValues(fcontext, readerContext);
float sc = subQueryExpl.Value * vals.FloatVal(doc);
Explanation res = new ComplexExplanation(true, sc, outerInstance.ToString() + ", product of:");
res.AddDetail(subQueryExpl);
res.AddDetail(vals.Explain(doc));
return res;
}