## 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()` Ensures this directory is still open.
    `protected void` | BaseDirectory.`ensureOpen()`

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