/** * Singleton constructor * @param sfLucene $search The search instance to tie to * @param sfLuceneStorage $writer The writer (optional) */ public function __construct($search, $writer = null) { if (!$search instanceof sfLucene) { throw new sfLuceneException('Search must be an instance of sfLucene'); } if ($writer == null) { $writer = new sfLuceneStorageFilesystem(sfConfig::get('sf_cache_dir') . DIRECTORY_SEPARATOR . $search->getParameter('index_location') . DIRECTORY_SEPARATOR . 'categories.php'); } if (!$writer instanceof sfLuceneStorage) { throw new sfLuceneException('Writer must be an instance of sfLuceneStorage'); } $this->writer = $writer; $this->load(); }