/**
* Calls exchange->calculate, passes back results as RatingsOutput instance.
*
* @return \RugbyRankings\RatingsOutput
*/
public function getOutput()
{
$ratingsOutput = new RatingsOutput();
$this->setExchange();
$this->exchange->calculate();
$ratingsOutput->setTeamARating($this->getNewTeamRating('A'));
$ratingsOutput->setTeamBRating($this->getNewTeamRating('B'));
return $ratingsOutput;
}
