/**
* Obtains an instance defining a transition between two offsets.
*
* <p>Applications should normally obtain an instance from {@link ZoneRules}. This constructor is
* intended for use by implementors of {@code ZoneRules}.
*
* @param transition the transition date-time with the offset before the transition, not null
* @param offsetAfter the offset at and after the transition, not null
*/
public static ZoneOffsetTransition of(OffsetDateTime transition, ZoneOffset offsetAfter) {
DateTimes.checkNotNull(transition, "OffsetDateTime must not be null");
DateTimes.checkNotNull(transition, "ZoneOffset must not be null");
if (transition.getOffset().equals(offsetAfter)) {
throw new IllegalArgumentException("Offsets must not be equal");
}
return new ZoneOffsetTransition(transition, offsetAfter);
}
/**
* Compares this day-of-month instance to another.
*
* @param otherDayOfMonth the other day-of-month instance, not null
* @return the comparator value, negative if less, positive if greater
* @throws NullPointerException if otherDayOfMonth is null
*/
public int compareTo(DayOfMonth otherDayOfMonth) {
return DateTimes.safeCompare(dayOfMonth, otherDayOfMonth.dayOfMonth);
}
/**
* Checks if the specified year is a leap year.
*
* <p>ISO leap years occur exactly in line with ISO leap years. This method does not validate the
* year passed in, and only has a well-defined result for years in the supported range.
*
* @param prolepticYear the proleptic-year to check, not validated for range
* @return true if the year is a leap year
*/
@Override
public boolean isLeapYear(long prolepticYear) {
return DateTimes.isLeapYear(prolepticYear);
}