| commit | author | age | ||
| a18bfa | 1 | import org.junit.Test; |
| Z | 2 | import org.slf4j.Logger; |
| 3 | import org.slf4j.LoggerFactory; | |
| 4 | import reactor.core.publisher.Flux; | |
| 5 | import reactor.core.publisher.Mono; | |
| 6 | import reactor.core.scheduler.Schedulers; | |
| 7 | ||
| 8 | import java.util.Iterator; | |
| 9 | ||
| 10 | public class ReactorTest { | |
| 11 | ||
| 12 | private static final Logger LOGGER = LoggerFactory.getLogger(ReactorTest.class); | |
| 13 | ||
| 14 | ||
| 15 | /** | |
| 16 | * 随便测试下 | |
| 17 | */ | |
| 18 | @Test | |
| 19 | public void concurrentTest(){ | |
| 20 | ||
| 21 | //这里没有什么用,纯粹是Schedulers.elastic()可以复用这里的线程池,不想写多的代码了 | |
| 22 | Flux.range(1,100) | |
| 23 | .map(a -> a*1) | |
| 24 | .subscribeOn(Schedulers.elastic()) | |
| 25 | .subscribe(System.out::println); | |
| 26 | ||
| 27 | //开始测试了 | |
| 28 | long start = System.currentTimeMillis(); | |
| 29 | ||
| 30 | ||
| 31 | //第一个参数20 20个并发 | |
| 32 | //后面表示N个请求,最长的一个请求可能要2000ms | |
| 33 | list(20, 1000l,2000l,100l,200l,300l,400l,500l,600l,700l,800l,900l) | |
| 34 | .forEachRemaining( show -> LOGGER.info(show) ); | |
| 35 | ||
| 36 | LOGGER.info("总时间 : {} ms", System.currentTimeMillis() - start ); | |
| 37 | ||
| 38 | } | |
| 39 | ||
| 40 | /** | |
| 41 | * 并行执行 | |
| 42 | * @param concurrent 并行数量 | |
| 43 | * @param sleeps 模拟停顿时间 | |
| 44 | * @return 随便返回了 | |
| 45 | */ | |
| 46 | public Iterator<String> list(int concurrent, Long... sleeps){ | |
| 47 | return Flux.fromArray(sleeps) | |
| 48 | .log() | |
| 49 | .flatMap(sleep -> Mono.fromCallable( () -> mockHttp(sleep)).subscribeOn(Schedulers.elastic()), concurrent) | |
| 50 | .toIterable().iterator(); | |
| 51 | } | |
| 52 | ||
| 53 | /** | |
| 54 | * 实际上是一个http请求 | |
| 55 | * @param sleep 请求耗时 | |
| 56 | * @return | |
| 57 | */ | |
| 58 | public String mockHttp(long sleep){ | |
| 59 | try { | |
| 60 | Thread.sleep(sleep); | |
| 61 | LOGGER.info("停顿{}ms真的执行了", sleep); | |
| 62 | } catch (InterruptedException e) { | |
| 63 | e.printStackTrace(); | |
| 64 | } | |
| 65 | return String.format("停顿了%sms", sleep); | |
| 66 | } | |
| 67 | ||
| 68 | } | |
