Package org.apache.lucene.queries.function
package org.apache.lucene.queries.function
Queries that compute score based upon a function.
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ClassDescriptionA query that retrieves all documents with a
DoubleValues
value matching a predicateReturns a score for each document based on a ValueSource, often some function of the value of a field.A Query wrapping aValueSource
that matches docs in which the values in the value source match a configured range.A query that wraps another query, and uses a DoubleValuesSource to replace or modify the wrapped query's scoreRepresents field values as different types.Abstraction of the logic required to fill the value of a specified doc into a reusableMutableValue
.Class exposing static helper methods for generating DoubleValuesSource instances over some IndexReader statisticsInstantiatesFunctionValues
for a particular reader.Scorer
which returns the result ofFunctionValues.floatVal(int)
as the score for a document, and which filters out documents that don't matchValueSourceScorer.matches(int)
.