/**
* @return mixed|void
*/
public function connect()
{
if (!$this->resource) {
$resource = new Client($this->config);
$resource->registerQueryType(Query::QUERY_ADMIN, 'Spryker\\Shared\\Library\\Storage\\Adapter\\Solr\\Solarium\\QueryType\\Admin\\Query');
if ($this->endpoint) {
$resource->setDefaultEndpoint($this->endpoint);
}
$this->resource = $resource;
}
}