| /* |
| * Copyright (c) 2007, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| /* |
| * @test |
| * @bug 6560953 |
| * @summary Test ScheduledThreadPoolExecutor.decorateTask |
| */ |
| |
| import java.util.concurrent.CountDownLatch; |
| import java.util.concurrent.Delayed; |
| import java.util.concurrent.ExecutionException; |
| import java.util.concurrent.RunnableScheduledFuture; |
| import java.util.concurrent.ScheduledThreadPoolExecutor; |
| import java.util.concurrent.TimeUnit; |
| import java.util.concurrent.TimeoutException; |
| import java.util.concurrent.atomic.AtomicInteger; |
| |
| public class DecorateTask { |
| Runnable countDownTask(final CountDownLatch latch) { |
| return new Runnable() { public void run() { |
| latch.countDown(); |
| if (latch.getCount() <= 0) |
| throw new RuntimeException("done"); |
| }};} |
| |
| void test(String[] args) throws Throwable { |
| final int jobs = 100; |
| final AtomicInteger decoratorCount = new AtomicInteger(0); |
| final ScheduledThreadPoolExecutor pool = |
| new ScheduledThreadPoolExecutor(10) { |
| protected <V> RunnableScheduledFuture<V> decorateTask( |
| final Runnable runnable, |
| final RunnableScheduledFuture<V> task) { |
| return new RunnableScheduledFuture<V>() { |
| public void run() { |
| decoratorCount.incrementAndGet(); |
| task.run(); |
| } |
| public boolean isPeriodic() { |
| return task.isPeriodic(); |
| } |
| public boolean cancel(boolean mayInterruptIfRunning) { |
| return task.cancel(mayInterruptIfRunning); |
| } |
| public boolean isCancelled() { |
| return task.isCancelled(); |
| } |
| public boolean isDone() { |
| return task.isDone(); |
| } |
| public V get() |
| throws InterruptedException, ExecutionException { |
| return task.get(); |
| } |
| public V get(long timeout, TimeUnit unit) |
| throws InterruptedException, ExecutionException, TimeoutException { |
| return task.get(timeout, unit); |
| } |
| public long getDelay(TimeUnit unit) { |
| return task.getDelay(unit); |
| } |
| public int compareTo(Delayed o) { |
| return task.compareTo(o); |
| }};}}; |
| final CountDownLatch latch1 = new CountDownLatch(jobs); |
| final CountDownLatch latch2 = new CountDownLatch(jobs); |
| pool.scheduleAtFixedRate(countDownTask(latch1), 0L, 1L, TimeUnit.NANOSECONDS); |
| pool.scheduleWithFixedDelay(countDownTask(latch2), 0L, 1L, TimeUnit.NANOSECONDS); |
| latch1.await(); |
| latch2.await(); |
| pool.shutdown(); |
| pool.awaitTermination(1L, TimeUnit.MINUTES); |
| equal(decoratorCount.get(), 2 * jobs); |
| } |
| |
| //--------------------- Infrastructure --------------------------- |
| volatile int passed = 0, failed = 0; |
| void pass() {passed++;} |
| void fail() {failed++; Thread.dumpStack();} |
| void fail(String msg) {System.err.println(msg); fail();} |
| void unexpected(Throwable t) {failed++; t.printStackTrace();} |
| void check(boolean cond) {if (cond) pass(); else fail();} |
| void equal(Object x, Object y) { |
| if (x == null ? y == null : x.equals(y)) pass(); |
| else fail(x + " not equal to " + y);} |
| public static void main(String[] args) throws Throwable { |
| new DecorateTask().instanceMain(args);} |
| void instanceMain(String[] args) throws Throwable { |
| try {test(args);} catch (Throwable t) {unexpected(t);} |
| System.out.printf("%nPassed = %d, failed = %d%n%n", passed, failed); |
| if (failed > 0) throw new AssertionError("Some tests failed");} |
| } |