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- package hello.controllers;
- import hello.dao.WorldDao;
- import hello.model.World;
- import java.util.Random;
- import java.util.concurrent.ThreadLocalRandom;
- import ninja.Result;
- import ninja.Results;
- import ninja.params.PathParam;
- import com.google.inject.Inject;
- import com.google.inject.Singleton;
- @Singleton
- public class HelloDbController {
- private static final int DB_ROWS = 10000;
- private final Random random = ThreadLocalRandom.current();
- @Inject
- WorldDao worldDao;
- public Result singleGet() {
- return Results.json().render(getRandomWorld());
- }
- public Result multiGet(@PathParam("queries") Integer queries) {
- if (queries == null || queries < 1) {
- queries = 1;
- }
- if (queries > 500) {
- queries = 500;
- }
- final World[] worlds = new World[queries];
- for (int i = 0; i < queries; i++) {
- worlds[i] = getRandomWorld();
- }
- return Results.json().render(worlds);
- }
- private World getRandomWorld() {
- return worldDao.get(random.nextInt(DB_ROWS) + 1);
- }
- }
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