package com.bookshop.structural.facade;
import com.bookshop.domain.Customer;
import java.util.concurrent.atomic.AtomicLong;
/** Subsystem 3: booking the courier. */
public class ShippingService {
private final AtomicLong nextConsignment = new AtomicLong(500);
public String arrangeDelivery(Customer customer, String address) {
return "ship-" + nextConsignment.incrementAndGet();
}
}