# Uses of Class
org.apache.lucene.queries.function.valuesource.ConstNumberSource

Packages that use ConstNumberSource
Package
Description
org.apache.lucene.queries.function.valuesource
A variety of functions to use with FunctionQuery.

## Uses of ConstNumberSource in org.apache.lucene.queries.function.valuesource

Subclasses of ConstNumberSource in org.apache.lucene.queries.function.valuesource
Modifier and Type
Class
Description
`class`
`ConstValueSource`
`ConstValueSource` returns a constant for all documents
`class`
`DoubleConstValueSource`
Function that returns a constant double value for every document.