/// <summary>
/// The number of documents deleted in the index
/// </summary>
/// <param name="indexer"></param>
/// <returns></returns>
public static int GetDeletedDocumentsCount(this LuceneIndexer indexer)
{
return(indexer.GetSearcherForIndexer().GetIndexReaderForSearcher().NumDeletedDocs());
}
/// <summary>
/// Returns true if the index is optimized or not
/// </summary>
/// <param name="indexer"></param>
/// <returns></returns>
public static bool IsIndexOptimized(this LuceneIndexer indexer)
{
return(indexer.GetSearcherForIndexer().GetIndexReaderForSearcher().IsOptimized());
}
/// <summary>
/// Check if the index is locked
/// </summary>
/// <param name="indexer"></param>
/// <returns></returns>
/// <remarks>
/// If the index does not exist we'll consider it locked
/// </remarks>
public static bool IsIndexLocked(this LuceneIndexer indexer)
{
return(!indexer.IndexExists() ||
IndexWriter.IsLocked(indexer.GetSearcherForIndexer().GetIndexReaderForSearcher().Directory()));
}
/// <summary>
/// Return the total number of fields in the index
/// </summary>
/// <param name="indexer"></param>
/// <returns></returns>
public static int GetIndexFieldCount(this LuceneIndexer indexer)
{
return(indexer.GetSearcherForIndexer().GetIndexReaderForSearcher().GetFieldNames(IndexReader.FieldOption.ALL).Count);
}