# Uses of Class
org.apache.lucene.index.FilterDirectoryReader

Packages that use FilterDirectoryReader
Package
Description
org.apache.lucene.index
Code to maintain and access indices.

## Uses of FilterDirectoryReader in org.apache.lucene.index

Subclasses of FilterDirectoryReader in org.apache.lucene.index
Modifier and Type
Class
Description
`class`
`ExitableDirectoryReader`
The `ExitableDirectoryReader` wraps a real index `DirectoryReader` and allows for a `QueryTimeout` implementation object to be checked periodically to see if the thread should exit or not.
`final class`
`SoftDeletesDirectoryReaderWrapper`
This reader filters out documents that have a doc values value in the given field and treat these documents as soft deleted.