# Package org.eclipse.rdf4j.sail.lucene.impl

- Class Summary
  Class | Description
  --- | ---
  LuceneDocument |
  LuceneDocumentDistance |
  LuceneDocumentResult |
  LuceneDocumentScore |
  LuceneIndex | A LuceneIndex is a one-stop-shop abstraction of a Lucene index.
  LuceneIndexNIOFS | LuceneIndex which uses a NIOFSDirectory instead of MMapDirectory to avoid the JVM crash (see http:// stackoverflow.com/questions/8224843/jvm-crashes-on-lucene-datainput- readvint).
  LuceneQuery | Deprecated.
  ReaderMonitor | ReaderMonitor holds IndexReader and IndexSearcher.