public function getData()
 {
     if ($this->_dataHasBeenGathered == false) {
         $this->_data = $this->_dataStoragePostMeta->getOptionCoded($this->getId(), 'onepage');
         $this->_dataHasBeenGathered = true;
     }
     return $this->_data;
 }
 public function deleteOption($name)
 {
     return $this->_WPPostMetas->deleteOption($this->_namespace, $name);
 }