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

Packages that use LongFieldSource
org.apache.lucene.queries.function.valuesource: A variety of functions to use with FunctionQuery.

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

Subclasses of LongFieldSource in org.apache.lucene.queries.function.valuesource
`class` `MultiValuedLongFieldSource` Obtains long field values from `LeafReader.getSortedNumericDocValues(java.lang.String)` and using a `SortedNumericSelector` it gives a single-valued ValueSource view of a field.