/**
* 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();
}
