voucher-no

Random Voucher No generator based on bloom filter and redis bit set.

// create voucher no generator to generate fixed length of 12 base on redis bitset with key Voucher:No
VoucherNo voucherNo = new VoucherNo(new Jedis("127.0.0.1", 6379), "Voucher:No", 12);

String no = voucherNo.next();

// 438744088222