## Uses of Class
org.apache.lucene.search.ReferenceManager

- Packages that use ReferenceManager
  Package | Description
  --- | ---
  org.apache.lucene.index | Code to maintain and access indices.
  org.apache.lucene.search | Code to search indices.

- - ### Uses of ReferenceManager in org.apache.lucene.index

    Subclasses of ReferenceManager in org.apache.lucene.index
    Modifier and Type | Class and Description
    --- | ---
    `class` | `ReaderManager` Utility class to safely share `DirectoryReader` instances across multiple threads, while periodically reopening.

  - ### Uses of ReferenceManager in org.apache.lucene.search

    Subclasses of ReferenceManager in org.apache.lucene.search
    Modifier and Type | Class and Description
    --- | ---
    `class` | `SearcherManager` Utility class to safely share `IndexSearcher` instances across multiple threads, while periodically reopening.

    Constructors in org.apache.lucene.search with parameters of type ReferenceManager
    Constructor and Description
    `ControlledRealTimeReopenThread(IndexWriter writer, ReferenceManager<T> manager, double targetMaxStaleSec, double targetMinStaleSec)` Create ControlledRealTimeReopenThread, to periodically reopen the `ReferenceManager`.
    `LiveFieldValues(ReferenceManager<S> mgr, T missingValue)` The missingValue must be non-null.

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