Package org.apache.lucene.queries.function

package org.apache.lucene.queries.function

Queries that compute score based upon a function

Related Packages

Package	Description
org.apache.lucene.queries	Filters and Queries that add to core Lucene.
org.apache.lucene.queries.function.docvalues	FunctionValues for different data types.
org.apache.lucene.queries.function.valuesource	A variety of functions to use with FunctionQuery.
org.apache.lucene.queries.mlt	Document similarity query generators.

Classes

Class	Description
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.