protected function getClusterLocation($database, $cluster, $limit = null)
    {
        $this->ensureDatabase($database);

        return $this->getLocation('cluster', $database, array($cluster, $limit));
    }
protected function getClusterLocation($database, $cluster, $limit = null)
    {
        $this->ensureDatabase($database);

        return $this->getLocation('cluster', $database, array($cluster, $limit));
    }
protected function getClusterLocation ( $ database , $ cluster , $ limit = null ) { $ this -> ensureDatabase ( $ database ) ; return $ this -> getLocation ( 'cluster' , $ database , array ( $ cluster , $ limit ) ) ; }
Returns the URL to fetch a cluster.

@param string $database
@param string $cluster
@param int $limit
@return string
Returns the URL to fetch a cluster .