Class FunctionQuery.AllScorer
- java.lang.Object
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- org.apache.lucene.search.Scorable
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- org.apache.lucene.search.Scorer
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- org.apache.lucene.queries.function.FunctionQuery.AllScorer
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- Enclosing class:
- FunctionQuery
protected class FunctionQuery.AllScorer extends Scorer
Scores all documents, applying the function to each document
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Nested Class Summary
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Nested classes/interfaces inherited from class org.apache.lucene.search.Scorable
Scorable.ChildScorable
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Field Summary
Fields Modifier and Type Field Description (package private) float
boost
(package private) DocIdSetIterator
iterator
(package private) int
maxDoc
(package private) IndexReader
reader
(package private) FunctionValues
vals
(package private) FunctionQuery.FunctionWeight
weight
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Constructor Summary
Constructors Constructor Description AllScorer(LeafReaderContext context, FunctionQuery.FunctionWeight w, float boost)
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description int
docID()
Returns the doc ID that is currently being scored.Explanation
explain(int doc)
float
getMaxScore(int upTo)
Return the maximum score that documents between the lasttarget
that this iterator wasshallow-advanced
to included andupTo
included.DocIdSetIterator
iterator()
Return aDocIdSetIterator
over matching documents.float
score()
Returns the score of the current document matching the query.-
Methods inherited from class org.apache.lucene.search.Scorer
advanceShallow, getWeight, twoPhaseIterator
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Methods inherited from class org.apache.lucene.search.Scorable
getChildren, setMinCompetitiveScore, smoothingScore
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Field Detail
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reader
final IndexReader reader
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weight
final FunctionQuery.FunctionWeight weight
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maxDoc
final int maxDoc
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boost
final float boost
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iterator
final DocIdSetIterator iterator
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vals
final FunctionValues vals
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Constructor Detail
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AllScorer
public AllScorer(LeafReaderContext context, FunctionQuery.FunctionWeight w, float boost) throws java.io.IOException
- Throws:
java.io.IOException
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Method Detail
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iterator
public DocIdSetIterator iterator()
Description copied from class:Scorer
Return aDocIdSetIterator
over matching documents.The returned iterator will either be positioned on
-1
if no documents have been scored yet,DocIdSetIterator.NO_MORE_DOCS
if 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.
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docID
public int docID()
Description copied from class:Scorable
Returns the doc ID that is currently being scored.
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score
public float score() throws java.io.IOException
Description copied from class:Scorable
Returns the score of the current document matching the query.
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getMaxScore
public float getMaxScore(int upTo) throws java.io.IOException
Description copied from class:Scorer
Return the maximum score that documents between the lasttarget
that this iterator wasshallow-advanced
to included andupTo
included.- Specified by:
getMaxScore
in classScorer
- Throws:
java.io.IOException
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explain
public Explanation explain(int doc) throws java.io.IOException
- Throws:
java.io.IOException
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