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

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

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

Subclasses of DocFreqValueSource in org.apache.lucene.queries.function.valuesource
`class` `IDFValueSource` Function that returns `#idf(long, long)` for every document.
`class` `TermFreqValueSource` Function that returns `PostingsEnum.freq()` for the supplied term in every document.
`class` `TFValueSource` Function that returns `TFIDFSimilarity.tf(float)` for every document.