How to use

setMaxScale

method

in

javax.money.MonetaryAmountFactoryQueryBuilder

/**
 * Creates an amount with the given scale.
 * @param scale the target scale
 * @return the new amount.
 */
public static MonetaryAmount createAmountWithScale(int scale) {
  MonetaryAmountFactoryQuery tgtContext = MonetaryAmountFactoryQueryBuilder.of().setMaxScale(scale).build();
  MonetaryAmountFactory<?> exceedingFactory;
  try {
    exceedingFactory = Monetary.getAmountFactory(tgtContext);
    AssertJUnit.assertNotNull(exceedingFactory);
    MonetaryAmountFactory<? extends MonetaryAmount> bigFactory =
        Monetary.getAmountFactory(exceedingFactory.getAmountType());
    return bigFactory.setCurrency("CHF").setNumber(createNumberWithScale(scale)).create();
  } catch (MonetaryException e) {
    return null;
  }
}

/**
 * @param args
 */
public static void main(String[] args) {
  MonetaryAmount amount = Monetary.getDefaultAmountFactory().setCurrency("EUR").setNumber(234).create();
  ConsoleUtils.printDetails(amount);
  amount = Monetary.getAmountFactory(FastMoney.class).setCurrency("EUR").setNumber(234).create();
  ConsoleUtils.printDetails(amount);
  amount = Monetary.getAmountFactory(
        MonetaryAmountFactoryQueryBuilder.of().setMaxScale(50).setPrecision(30).build())
         .setCurrency("EUR").setNumber(234).create();
  ConsoleUtils.printDetails(amount);
  Money amt1 = Money.of(10.1234556123456789, "USD");
  FastMoney amt2 = FastMoney.of(123456789, "USD");
  Money total = amt1.add(amt2).multiply(0.5)
      .remainder(1);
  ConsoleUtils.printDetails(total);
}