## Uses of Class
org.apache.lucene.store.AlreadyClosedException

Packages that use AlreadyClosedException
Package | Description
--- | ---
org.apache.lucene.index | Code to maintain and access indices.
org.apache.lucene.store | Binary i/o API, used for all index data.

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

Methods in org.apache.lucene.index that throw AlreadyClosedException
Modifier and Type | Method and Description
--- | ---
`protected void` | IndexWriter.`ensureOpen()` Used internally to throw an `AlreadyClosedException` if this IndexWriter has been closed (`closed=true`) or is in the process of closing (`closing=true`).
`protected void` | IndexReader.`ensureOpen()` Throws AlreadyClosedException if this IndexReader or any of its child readers is closed, otherwise returns.
`protected void` | IndexWriter.`ensureOpen(boolean failIfClosing)` Used internally to throw an `AlreadyClosedException` if this IndexWriter has been closed or is in the process of closing.

### Uses of AlreadyClosedException in org.apache.lucene.store

Methods in org.apache.lucene.store that throw AlreadyClosedException
Modifier and Type | Method and Description
--- | ---
`protected void` | Directory.`ensureOpen()`