class InstrumentVoucherRepository {

    public InstrumentVoucher findById(InstrumentVoucher instrumentVoucher) {
        InstrumentVoucherEntity entity = instrumentVoucherJdbcRepository
                .findById(new InstrumentVoucherEntity().toEntity(instrumentVoucher));
        if (entity != null)
            return entity.toDomain();

        return null;

    }

}