java.lang.Object
org.apache.lucene.search.Rescorer
org.apache.lucene.search.SortRescorer
org.apache.lucene.expressions.ExpressionRescorer
A
Rescorer
that uses an expression to re-score first pass hits. Functionally this is the
same as SortRescorer
(if you build the Sort
using Expression.getSortField(org.apache.lucene.expressions.Bindings, boolean)
), except for the explain method which gives more detail by showing the
value of each variable.-
Field Summary
Fields -
Constructor Summary
ConstructorsConstructorDescriptionExpressionRescorer
(Expression expression, Bindings bindings) Uses the providedExpression
to assign second pass scores. -
Method Summary
Modifier and TypeMethodDescriptionexplain
(IndexSearcher searcher, Explanation firstPassExplanation, int docID) Explains how the score for the specified document was computed.Methods inherited from class org.apache.lucene.search.SortRescorer
rescore
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Field Details
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expression
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bindings
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Constructor Details
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ExpressionRescorer
Uses the providedExpression
to assign second pass scores.
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Method Details
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explain
public Explanation explain(IndexSearcher searcher, Explanation firstPassExplanation, int docID) throws IOException Description copied from class:Rescorer
Explains how the score for the specified document was computed.- Overrides:
explain
in classSortRescorer
- Throws:
IOException
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