original_string: private function _getIndexWriter()
      {
          if ($this->_writer === null) {
              include_once 'Zend/Search/Lucene/Index/Writer.php';
              $this->_writer = new Zend_Search_Lucene_Index_Writer(
                  $this->_directory,
                  $this->_segmentInfos,
                  $this->_formatVersion
              );
          }
  
          return $this->_writer;
      }
code: private function _getIndexWriter()
      {
          if ($this->_writer === null) {
              include_once 'Zend/Search/Lucene/Index/Writer.php';
              $this->_writer = new Zend_Search_Lucene_Index_Writer(
                  $this->_directory,
                  $this->_segmentInfos,
                  $this->_formatVersion
              );
          }
  
          return $this->_writer;
      }
code_tokens: private function _getIndexWriter ( ) { if ( $ this -> _writer === null ) { include_once 'Zend/Search/Lucene/Index/Writer.php' ; $ this -> _writer = new Zend_Search_Lucene_Index_Writer ( $ this -> _directory , $ this -> _segmentInfos , $ this -> _formatVersion ) ; } return $ this -> _writer ; }
docstring: Returns an instance of Zend_Search_Lucene_Index_Writer for the index
  
  @return Zend_Search_Lucene_Index_Writer
docstring_tokens: Returns an instance of Zend_Search_Lucene_Index_Writer for the index