package exercises.ex_r;

import java.util.concurrent.BlockingQueue;
import java.util.concurrent.LinkedBlockingQueue;

public class PostOffice {
    private BlockingQueue<Package> packages = new LinkedBlockingQueue<>();

    public void registerPackage(Package pkg) {
        packages.add(pkg);
        System.out.println("Registered " + pkg + " (now " + packages.size() + ")");
    }

    public Package takePackage() throws InterruptedException {
        Package pkg = packages.take();
        System.out.println("Withdrawn " + pkg + " (now " + packages.size() + ")");
        return pkg;
    }
}