/**
  * @param PagingInfo $pagingMetadata
  * @return string
  */
 public function createPagingLinks(PagingInfo $pagingMetadata)
 {
     $context = $this->provider->getContext();
     $params = $this->reconstructQueryParams($context, $pagingMetadata->getPagingConfig());
     $links = array();
     $pathInfo = $context->getPathInfo();
     $relations = array('first', 'last', 'next', 'previous');
     foreach ($relations as $relation) {
         $method = sprintf('get%sPage', ucfirst($relation));
         $result = call_user_func(array($pagingMetadata, $method));
         if ($result > 0) {
             $params['page'] = sprintf('page=%d', $result);
             $links[] = sprintf('<%s>; rel="%s"', $context->getUriForPath($pathInfo . '?' . join('&', array_values($params))), $relation);
         }
     }
     $linksString = join(', ', $links);
     return $linksString;
 }