/**
  * (non-PHPdoc)
  * @see Xerxes\Mvc.ActionController::init()
  */
 protected function init()
 {
     // search objects
     $this->engine = $this->getEngine();
     $this->config = $this->engine->getConfig();
     $this->query = $this->engine->getQuery($this->request);
     $this->helper = new SearchHelper($this->event, $this->id, $this->engine);
     $this->helper->addConfigLabels($this->config);
     $this->response->setVariable('config_local', $this->config);
     // disable caching
     $this->response->cache = false;
     // @todo figure out how to cache more
 }