Uses of Class
org.apache.lucene.search.Explanation

Packages that use Explanation

Package	Description
org.apache.lucene.search	Code to search indices.
org.apache.lucene.search.payloads	The payloads package provides Query mechanisms for finding and using payloads.
org.apache.lucene.search.similarities	This package contains the various ranking models that can be used in Lucene.
org.apache.lucene.search.spans	The calculus of spans.

Uses of Explanation in org.apache.lucene.search

Subclasses of Explanation in org.apache.lucene.search

Modifier and Type	Class	Description
class	ComplexExplanation	Expert: Describes the score computation for document and query, and can distinguish a match independent of a positive value.

Methods in org.apache.lucene.search that return Explanation

Modifier and Type	Method	Description
Explanation	BooleanQuery.BooleanWeight.explain(AtomicReaderContext context, int doc)
Explanation	ConstantScoreQuery.ConstantWeight.explain(AtomicReaderContext context, int doc)
Explanation	DisjunctionMaxQuery.DisjunctionMaxWeight.explain(AtomicReaderContext context, int doc)	Explain the score we computed for doc
Explanation	IndexSearcher.explain(Query query, int doc)	Returns an Explanation that describes how doc scored against query.
protected Explanation	IndexSearcher.explain(Weight weight, int doc)	Expert: low-level implementation method Returns an Explanation that describes how doc scored against weight.
abstract Explanation	Weight.explain(AtomicReaderContext context, int doc)	An explanation of the score computation for the named document.
Explanation[]	Explanation.getDetails()	The sub-nodes of this explanation node.

Methods in org.apache.lucene.search with parameters of type Explanation

Modifier and Type	Method	Description
void	Explanation.addDetail(Explanation detail)	Adds a sub-node to this explanation node.

Uses of Explanation in org.apache.lucene.search.payloads

Methods in org.apache.lucene.search.payloads that return Explanation

Modifier and Type	Method	Description
Explanation	PayloadFunction.explain(int docId, String field, int numPayloadsSeen, float payloadScore)
Explanation	PayloadNearQuery.PayloadNearSpanWeight.explain(AtomicReaderContext context, int doc)
Explanation	PayloadTermQuery.PayloadTermWeight.explain(AtomicReaderContext context, int doc)

Uses of Explanation in org.apache.lucene.search.similarities

Methods in org.apache.lucene.search.similarities that return Explanation

Modifier and Type	Method	Description
abstract Explanation	AfterEffect.explain(BasicStats stats, float tfn)	Returns an explanation for the score.
Explanation	AfterEffect.NoAfterEffect.explain(BasicStats stats, float tfn)
Explanation	AfterEffectB.explain(BasicStats stats, float tfn)
Explanation	AfterEffectL.explain(BasicStats stats, float tfn)
Explanation	BasicModel.explain(BasicStats stats, float tfn)	Returns an explanation for the score.
Explanation	BasicModelIn.explain(BasicStats stats, float tfn)
Explanation	Distribution.explain(BasicStats stats, float tfn, float lambda)	Explains the score.
abstract Explanation	Lambda.explain(BasicStats stats)	Explains the lambda parameter.
Explanation	LambdaDF.explain(BasicStats stats)
Explanation	LambdaTTF.explain(BasicStats stats)
Explanation	Normalization.explain(BasicStats stats, float tf, float len)	Returns an explanation for the normalized term frequency.
Explanation	Normalization.NoNormalization.explain(BasicStats stats, float tf, float len)
Explanation	Similarity.SimScorer.explain(int doc, Explanation freq)	Explain the score for a single document
protected Explanation	SimilarityBase.explain(BasicStats stats, int doc, Explanation freq, float docLen)	Explains the score.
Explanation	BM25Similarity.idfExplain(CollectionStatistics collectionStats, TermStatistics termStats)	Computes a score factor for a simple term and returns an explanation for that score factor.
Explanation	BM25Similarity.idfExplain(CollectionStatistics collectionStats, TermStatistics[] termStats)	Computes a score factor for a phrase.
Explanation	TFIDFSimilarity.idfExplain(CollectionStatistics collectionStats, TermStatistics termStats)	Computes a score factor for a simple term and returns an explanation for that score factor.
Explanation	TFIDFSimilarity.idfExplain(CollectionStatistics collectionStats, TermStatistics[] termStats)	Computes a score factor for a phrase.

Methods in org.apache.lucene.search.similarities with parameters of type Explanation

Modifier and Type	Method	Description
protected void	DFRSimilarity.explain(Explanation expl, BasicStats stats, int doc, float freq, float docLen)
protected void	IBSimilarity.explain(Explanation expl, BasicStats stats, int doc, float freq, float docLen)
protected void	LMDirichletSimilarity.explain(Explanation expl, BasicStats stats, int doc, float freq, float docLen)
protected void	LMJelinekMercerSimilarity.explain(Explanation expl, BasicStats stats, int doc, float freq, float docLen)
protected void	LMSimilarity.explain(Explanation expl, BasicStats stats, int doc, float freq, float docLen)
Explanation	Similarity.SimScorer.explain(int doc, Explanation freq)	Explain the score for a single document
protected void	SimilarityBase.explain(Explanation expl, BasicStats stats, int doc, float freq, float docLen)	Subclasses should implement this method to explain the score.
protected Explanation	SimilarityBase.explain(BasicStats stats, int doc, Explanation freq, float docLen)	Explains the score.

Uses of Explanation in org.apache.lucene.search.spans

Methods in org.apache.lucene.search.spans that return Explanation

Modifier and Type	Method	Description
Explanation	SpanWeight.explain(AtomicReaderContext context, int doc)