Package org.apache.lucene.queries.function

Queries that compute score based upon a function


Class Summary
BoostedQuery Query that is boosted by a ValueSource
FunctionQuery Returns a score for each document based on a ValueSource, often some function of the value of a field.
FunctionValues Represents field values as different types.
FunctionValues.ValueFiller Abstraction of the logic required to fill the value of a specified doc into a reusable MutableValue.
ValueSource Instantiates FunctionValues for a particular reader.
ValueSourceScorer Scorer which returns the result of FunctionValues.floatVal(int) as the score for a document.

Package org.apache.lucene.queries.function Description

Queries that compute score based upon a function

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