public CitizenCardNumber(long citizenCardNumber)
{
if (!NumberValidator.isValidCitizenCardNumber(citizenCardNumber))
{
throw new BusinessRuleValidationException(citizenCardNumber + " invalid: Driver Citizen Card Number invalid");
}
if (NumberValidator.isNegative(citizenCardNumber))
{
throw new BusinessRuleValidationException(citizenCardNumber + " invalid: Driver Citizen Card Number can't be negative");
}
this.citizenCardNumber = citizenCardNumber;
}