/**
* Checks if the identifier is valid on the specified date.
*
* @param date the date to check for validity on, null returns true
* @return true if valid on the specified date
*/
public boolean isValidOn(LocalDate date) {
if (date == null) {
return true;
}
LocalDate from =
Objects.firstNonNull(
getValidFrom(), LocalDate.of(Year.MIN_YEAR, 1, 1)); // TODO: JSR-310 far past/future
LocalDate to = Objects.firstNonNull(getValidTo(), LocalDate.of(Year.MAX_YEAR, 12, 31));
return date.isBefore(from) == false && date.isAfter(to) == false;
}
/**
* Creates an instance.
*
* @param identifier the identifier, not null
* @param validFrom the valid from date, may be null
* @param validTo the valid to date, may be null
*/
private ExternalIdWithDates(ExternalId identifier, LocalDate validFrom, LocalDate validTo) {
ArgumentChecker.notNull(identifier, "identifier");
if (validFrom != null && validTo != null) {
ArgumentChecker.isTrue(
validTo.isAfter(validFrom) || validTo.equals(validFrom),
"ValidTo must be after or eqauls to ValidFrom");
}
_identifier = identifier;
_validFrom = validFrom;
_validTo = validTo;
}