# Uses of Interface
org.apache.lucene.index.IndexReader.ClosedListener

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

## Uses of IndexReader.ClosedListener in org.apache.lucene.index

Methods in org.apache.lucene.index with parameters of type IndexReader.ClosedListener
Modifier and Type
Method
Description
`void`
FilterDirectoryReader.DelegatingCacheHelper.`addClosedListener(IndexReader.ClosedListener listener)`
`void`
IndexReader.CacheHelper.`addClosedListener(IndexReader.ClosedListener listener)`
Add a `IndexReader.ClosedListener` which will be called when the resource guarded by `IndexReader.CacheHelper.getKey()` is closed.