List<PackageUsageDto> packageUsageDto = getUniquePackageUsageDtos( usageDao.getNonAmpSubscriberUsage( subscriberWithSusgDto ) );

        List<UsageAmountDto> usageAmountDtos = usageDao.getUsageAmountDto( subscriberWithSusgDto );
        if( usageAmountDtos == null ){
            usageAmountDtos = new ArrayList<UsageAmountDto>();
        }
        List<UsageDto> usageDtos = generateUsageDto( packageUsageDto, usageAmountDtos );