@Test public void testPaging() { JPA.bootstrap(path()); int total = 15; JPA.transaction( () -> { for (int i = 0; i < total; i++) { Book book = JPA.insert(new Book("b" + i)); notNull(book.getId()); } }); JPA.transaction( () -> { eq(JPA.getAllEntities().size(), total); eq(JPA.count(Book.class), total); eq(JPA.of(Book.class).all().size(), total); List<Book> first3 = JPA.of(Book.class).page(0, 3); eq(first3.size(), 3); eq(Do.map(first3).to(Book::getTitle), U.list("b0", "b1", "b2")); List<Book> next5 = JPA.of(Book.class).page(3, 5); eq(Do.map(next5).to(Book::getTitle), U.list("b3", "b4", "b5", "b6", "b7")); List<Book> last2 = JPA.of(Book.class).page(13, 2); eq(Do.map(last2).to(Book::getTitle), U.list("b13", "b14")); }); }
public static void main(String[] args) { Map<String, String> cfg = U.map("title", "App", "user", "u1", "theme", "x"); On.get("/cfg").json(cfg); PageMenu menu = PageMenu.from(U.map("Home", "/", "Groups", "/group")); On.defaultWrap((data, next) -> next.invoke(x -> page(x).menu(menu).title(cfg.get("title")))); List<Btn> letters = Flow.chars('a', 'z').map(c -> btn(c).linkTo("/find?p=" + c)).toList(); On.page("/") .gui("p", p -> U.list(letters, grid(cfg).keyView(k -> a(k).href("/edit?key=" + k)))); On.page("/group") .gui( "x", x -> { return Do.map(Do.group(cfg).by((k, v) -> k.charAt(0))) .toList((k, v) -> U.list(h3(k), grid(v))); }); On.page("/find") .gui("p", p -> U.list(letters, grid(Find.allOf(cfg).where((k, v) -> k.startsWith(p))))); Btn ok = btn("Update").onClick(() -> Log.info("Updated", "cfg", cfg)); On.page("/edit").gui("key", key -> edit(cfg, key).buttons(ok, btn("Back").linkTo("/"))); Runnable replicate = () -> REST.get("http://localhost:8888/cfg", Object.class, U::print); Jobs.scheduleAtFixedRate(replicate, 3, 3, TimeUnit.SECONDS); }