/**
  * Returns the IndexTank_Client 
  * 
  * @return IndexTank_Client
  */
 public function getClient()
 {
     if ($this->_client === null) {
         $options = $this->getOptions();
         IndexTank_Client::$defaultOptions = $options;
         $this->_client = new IndexTank_Client();
     }
     return $this->_client;
 }
 /**
  * Refreshes the index metadata from IndexTank 
  * 
  * @return void
  */
 public function refreshMeta()
 {
     $index = $this->_client->getIndex($this->_name);
     $this->setOptions($index->toArray());
     return $this;
 }