public function getRoot($conn = null)
    {
        $command = $this->invoke('simple_command', $conn);
        $httpResponse = $command->execute();

        return $this->handleHttpResponse($httpResponse);
    }
public function getRoot($conn = null)
    {
        $command = $this->invoke('simple_command', $conn);
        $httpResponse = $command->execute();

        return $this->handleHttpResponse($httpResponse);
    }
public function getRoot ( $ conn = null ) { $ command = $ this -> invoke ( 'simple_command' , $ conn ) ; $ httpResponse = $ command -> execute ( ) ; return $ this -> handleHttpResponse ( $ httpResponse ) ; }
Convenience method that returns the root of the Neo4j Api.

@param string|null $conn The alias of the connection to use

@return mixed
Convenience method that returns the root of the Neo4j Api .