MainRequestHelper1.java

class MainRequestHelper {

    private final PlayerRepository playerRepository;
    private final GamesRepository gamesRepository;

    @Inject
    public MainRequestHelper(PlayerRepository playerRepository, GamesRepository gamesRepository, StatisticsProcessor statisticsProcessor) {
        this.playerRepository = playerRepository;
        this.gamesRepository = gamesRepository;
    }

    ListenableFuture<Games> retrieveGames(String username) {
        return FluentFuture.from(playerRepository.retrieve(username))
                .transformAsync( (player) -> gamesRepository.retrieve(player.id()), directExecutor())
    }
}