/**
* Invokes the request.
*
* @param RequestInterface $request
* @return array
*/
private function invoke(RequestInterface $request)
{
try {
$request->validate();
$result = ['jsonrpc' => '2.0', 'id' => $request->getId(), 'result' => call_user_func($this->invoker, $request->getMethod(), $request->getParameters())];
} catch (\Exception $e) {
$result = $this->getErrorResponse($request->getId(), $e->getCode(), $e->getMessage());
}
if ($request->isNotification() && empty($result['error'])) {
$result = null;
}
return $result;
}
