/**
* @param string $identity
* @param string $credential
* @throws RuntimeException
* @return Result
*/
public function login($identity, $credential)
{
$authAdapter = $this->authService->getAdapter();
if (!$authAdapter instanceof ValidatableAdapterInterface) {
throw new RuntimeException(__CLASS__ . ' requires ValidatableAdapterInterface');
}
$authAdapter->setIdentity($identity)->setCredential($credential);
return $this->authService->authenticate();
}
