Java Shop.getPrice示例

示例#1

文件： Chapter11Spec.java 项目： withmelody/JDD

  @Test
  public void test_findPriceInUSD() {
    Shop s1 = shops.get(0);
    String product = "MacBook 11";

    Future<Double> priceInUSD =
        CompletableFuture.supplyAsync(() -> s.getPrice(product))
            .thenCombine(
                CompletableFuture.supplyAsync(() -> ExchangeService.getRate(USD, FRANC)),
                (price, rate) -> price * rate);
  }