private void listBeers() {
List<Brewery> breweries = server.find(Brewery.class).findList();
for (Brewery brewery : breweries) {
List<Beer> beers = brewery.getBeers();
for (Beer beer : beers) {
System.out.println(beer.getName());
}
}
}
private void findBrewery() {
System.out.print("brewery to find: ");
String n = scanner.nextLine();
Brewery foundBrewery = server.find(Brewery.class).where().like("name", n).findUnique();
if (foundBrewery == null) {
System.out.println(n + " not found");
return;
}
System.out.println(foundBrewery);
for (Beer bier : foundBrewery.getBeers()) {
System.out.println(" " + bier.getName());
}
}
// jos kanta on luotu uudelleen, suoritetaan tämä ja laitetaan kantaan hiukan dataa
private void seedDatabase() throws OptimisticLockException {
Brewery brewery = new Brewery("Schlenkerla");
brewery.addBeer(new Beer("Urbock"));
brewery.addBeer(new Beer("Lager"));
// tallettaa myös luodut oluet, sillä Brewery:n OneToMany-mappingiin on määritelty
// CascadeType.all
server.save(brewery);
// luodaan olut ilman panimon asettamista
Beer b = new Beer("Märzen");
server.save(b);
// jotta saamme panimon asetettua, tulee olot lukea uudelleen kannasta
b = server.find(Beer.class, b.getId());
brewery = server.find(Brewery.class, brewery.getId());
brewery.addBeer(b);
server.save(brewery);
server.save(new Pub("Pikkulintu"));
server.save(new Brewery("Paulaner"));
}
private void addBeer() {
System.out.print("to which brewery: ");
String name = scanner.nextLine();
Brewery brewery = server.find(Brewery.class).where().like("name", name).findUnique();
if (brewery == null) {
System.out.println(name + " does not exist");
return;
}
System.out.print("beer to add: ");
name = scanner.nextLine();
Beer exists = server.find(Beer.class).where().like("name", name).findUnique();
if (exists != null) {
System.out.println(name + " exists already");
return;
}
brewery.addBeer(new Beer(name));
server.save(brewery);
System.out.println(name + " added to " + brewery.getName());
}