Package org.apache.lucene.search
Class BM25FQuery.BM25FScorer
java.lang.Object
org.apache.lucene.search.Scorable
org.apache.lucene.search.Scorer
org.apache.lucene.search.BM25FQuery.BM25FScorer
- Enclosing class:
BM25FQuery
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Nested Class Summary
Nested classes/interfaces inherited from class org.apache.lucene.search.Scorable
Scorable.ChildScorable -
Field Summary
FieldsModifier and TypeFieldDescriptionprivate final DocIdSetIteratorprivate final DisiPriorityQueueprivate final MultiNormsLeafSimScorer -
Constructor Summary
ConstructorsConstructorDescriptionBM25FScorer(Weight weight, DisiPriorityQueue queue, DocIdSetIterator iterator, MultiNormsLeafSimScorer simScorer) -
Method Summary
Modifier and TypeMethodDescriptionintdocID()Returns the doc ID that is currently being scored.(package private) floatfreq()floatgetMaxScore(int upTo) Return the maximum score that documents between the lasttargetthat this iterator wasshallow-advancedto included andupToincluded.iterator()Return aDocIdSetIteratorover matching documents.floatscore()Returns the score of the current document matching the query.Methods inherited from class org.apache.lucene.search.Scorer
advanceShallow, getWeight, twoPhaseIteratorMethods inherited from class org.apache.lucene.search.Scorable
getChildren, setMinCompetitiveScore
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Field Details
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queue
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iterator
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simScorer
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Constructor Details
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BM25FScorer
BM25FScorer(Weight weight, DisiPriorityQueue queue, DocIdSetIterator iterator, MultiNormsLeafSimScorer simScorer)
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Method Details
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docID
public int docID()Description copied from class:ScorableReturns the doc ID that is currently being scored. -
freq
- Throws:
IOException
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score
Description copied from class:ScorableReturns the score of the current document matching the query.- Specified by:
scorein classScorable- Throws:
IOException
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iterator
Description copied from class:ScorerReturn aDocIdSetIteratorover matching documents. The returned iterator will either be positioned on-1if no documents have been scored yet,DocIdSetIterator.NO_MORE_DOCSif all documents have been scored already, or the last document id that has been scored otherwise. The returned iterator is a view: calling this method several times will return iterators that have the same state. -
getMaxScore
Description copied from class:ScorerReturn the maximum score that documents between the lasttargetthat this iterator wasshallow-advancedto included andupToincluded.- Specified by:
getMaxScorein classScorer- Throws:
IOException
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