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/* |
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* Written by Doug Lea with assistance from members of JCP JSR-166 |
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* Expert Group and released to the public domain, as explained at |
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* http://creativecommons.org/licenses/publicdomain |
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* http://creativecommons.org/publicdomain/zero/1.0/ |
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* Other contributors include Andrew Wright, Jeffrey Hayes, |
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* Pat Fisher, Mike Judd. |
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*/ |
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* a newSingleThreadScheduledExecutor successfully runs delayed task |
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*/ |
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public void testNewSingleThreadScheduledExecutor() throws Exception { |
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TrackedCallable callable = new TrackedCallable(); |
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ScheduledExecutorService p1 = Executors.newSingleThreadScheduledExecutor(); |
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Future f = p1.schedule(callable, SHORT_DELAY_MS, MILLISECONDS); |
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assertFalse(callable.done); |
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Thread.sleep(MEDIUM_DELAY_MS); |
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assertTrue(callable.done); |
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assertEquals(Boolean.TRUE, f.get()); |
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joinPool(p1); |
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ScheduledExecutorService p = Executors.newSingleThreadScheduledExecutor(); |
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try { |
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final CountDownLatch done = new CountDownLatch(1); |
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final Runnable task = new CheckedRunnable() { |
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public void realRun() { |
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done.countDown(); |
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}}; |
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Future f = p.schedule(Executors.callable(task, Boolean.TRUE), |
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SHORT_DELAY_MS, MILLISECONDS); |
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assertFalse(f.isDone()); |
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assertTrue(done.await(MEDIUM_DELAY_MS, MILLISECONDS)); |
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assertSame(Boolean.TRUE, f.get(SMALL_DELAY_MS, MILLISECONDS)); |
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assertSame(Boolean.TRUE, f.get()); |
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assertTrue(f.isDone()); |
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} finally { |
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joinPool(p); |
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} |
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} |
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/** |
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* a newScheduledThreadPool successfully runs delayed task |
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*/ |
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public void testnewScheduledThreadPool() throws Exception { |
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TrackedCallable callable = new TrackedCallable(); |
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ScheduledExecutorService p1 = Executors.newScheduledThreadPool(2); |
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Future f = p1.schedule(callable, SHORT_DELAY_MS, MILLISECONDS); |
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assertFalse(callable.done); |
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Thread.sleep(MEDIUM_DELAY_MS); |
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assertTrue(callable.done); |
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assertEquals(Boolean.TRUE, f.get()); |
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joinPool(p1); |
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ScheduledExecutorService p = Executors.newScheduledThreadPool(2); |
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try { |
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final CountDownLatch done = new CountDownLatch(1); |
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final Runnable task = new CheckedRunnable() { |
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public void realRun() { |
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done.countDown(); |
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}}; |
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Future f = p.schedule(Executors.callable(task, Boolean.TRUE), |
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SHORT_DELAY_MS, MILLISECONDS); |
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assertFalse(f.isDone()); |
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assertTrue(done.await(MEDIUM_DELAY_MS, MILLISECONDS)); |
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assertSame(Boolean.TRUE, f.get(SMALL_DELAY_MS, MILLISECONDS)); |
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assertSame(Boolean.TRUE, f.get()); |
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assertTrue(f.isDone()); |
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} finally { |
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joinPool(p); |
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} |
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} |
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/** |
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* an unconfigurable newScheduledThreadPool successfully runs delayed task |
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*/ |
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public void testunconfigurableScheduledExecutorService() throws Exception { |
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TrackedCallable callable = new TrackedCallable(); |
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ScheduledExecutorService p1 = Executors.unconfigurableScheduledExecutorService(Executors.newScheduledThreadPool(2)); |
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Future f = p1.schedule(callable, SHORT_DELAY_MS, MILLISECONDS); |
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assertFalse(callable.done); |
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Thread.sleep(MEDIUM_DELAY_MS); |
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assertTrue(callable.done); |
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assertEquals(Boolean.TRUE, f.get()); |
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joinPool(p1); |
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ScheduledExecutorService p = |
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Executors.unconfigurableScheduledExecutorService |
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(Executors.newScheduledThreadPool(2)); |
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try { |
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final CountDownLatch done = new CountDownLatch(1); |
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final Runnable task = new CheckedRunnable() { |
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public void realRun() { |
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done.countDown(); |
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}}; |
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Future f = p.schedule(Executors.callable(task, Boolean.TRUE), |
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SHORT_DELAY_MS, MILLISECONDS); |
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assertFalse(f.isDone()); |
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assertTrue(done.await(MEDIUM_DELAY_MS, MILLISECONDS)); |
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assertSame(Boolean.TRUE, f.get(SMALL_DELAY_MS, MILLISECONDS)); |
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assertSame(Boolean.TRUE, f.get()); |
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assertTrue(f.isDone()); |
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} finally { |
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joinPool(p); |
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} |
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} |
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/** |