/**
  * Create the given connection by name.
  *
  * @param  string  $name
  * @return Illuminate\Redis\Database
  */
 protected function createConnection($name)
 {
     $config = $this->getConfig($name);
     $connection = new Database($config['host'], $config['port'], $config['database']);
     $connection->connect();
     return $connection;
 }