Check if BigDecimal is integer value

Question

Can anyone recommend an efficient way of determining whether a BigDecimal is an integer value in the mathematical sense?

At present I have

Answer 1

This is the cleanest I've come up with.

public static boolean isWhole(BigDecimal bigDecimal) {
    return bigDecimal.setScale(0, RoundingMode.HALF_UP).compareTo(bigDecimal) == 0;
}