function getHamburgerRequestorFactory(server, defaultBurger) {


    function hasBurgerRequestor(callback, ignore) {
        return callback(server.hasBurger());
    }

    function getMaxNumberOfBurgersPerDayRequestor(callback, hasBurgers) {
        if (hasBurgers === false) {
            return callback(0);
        }

        return callback(server.getMaxNumberOfBurgersPerDay);
    }

    function loadBurgerRequestor(callback, maxBurgers) {
        const burgersEaten = getNumberOfEatenBurgersToday();

        if (burgersEaten < maxBurgers) {
            return callback(server.loadBurger());
        }

        return callback(defaultBurger);
    }

    return parseq.sequence([
        hasBurgerRequestor,
        getMaxNumberOfBurgersPerDayRequestor,
        loadBurgerRequestor
    ]);

}