# 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.