Java Code Examples for java.util.concurrent.ExecutorService#invokeAny()
The following examples show how to use
java.util.concurrent.ExecutorService#invokeAny() .
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Example 1
Source File: ThreadPoolExecutorTest.java From openjdk-jdk9 with GNU General Public License v2.0 | 6 votes |
/** * invokeAny(c) throws ExecutionException if no task completes */ public void testInvokeAny4() throws Exception { final ExecutorService e = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); try (PoolCleaner cleaner = cleaner(e)) { List<Callable<String>> l = new ArrayList<>(); l.add(new NPETask()); try { e.invokeAny(l); shouldThrow(); } catch (ExecutionException success) { assertTrue(success.getCause() instanceof NullPointerException); } } }
Example 2
Source File: GoogleHadoopFileSystemBase.java From hadoop-connectors with Apache License 2.0 | 6 votes |
/** * Use 2 glob algorithms that return the same result but one of them could be significantly faster * than another one depending on directory layout. */ private FileStatus[] concurrentGlobInternal(Path fixedPath, PathFilter filter) throws IOException { ExecutorService executorService = Executors.newFixedThreadPool(2, DAEMON_THREAD_FACTORY); Callable<FileStatus[]> flatGlobTask = () -> flatGlobInternal(fixedPath, filter); Callable<FileStatus[]> nonFlatGlobTask = () -> super.globStatus(fixedPath, filter); try { return executorService.invokeAny(Arrays.asList(flatGlobTask, nonFlatGlobTask)); } catch (InterruptedException | ExecutionException e) { if (e instanceof InterruptedException) { Thread.currentThread().interrupt(); } throw new IOException("Concurrent glob execution failed", e); } finally { executorService.shutdownNow(); } }
Example 3
Source File: ThreadPoolExecutorSubclassTest.java From openjdk-jdk9 with GNU General Public License v2.0 | 6 votes |
/** * timed invokeAny(c) throws ExecutionException if no task completes */ public void testTimedInvokeAny4() throws Exception { final ExecutorService e = new CustomTPE(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); try (PoolCleaner cleaner = cleaner(e)) { long startTime = System.nanoTime(); List<Callable<String>> l = new ArrayList<>(); l.add(new NPETask()); try { e.invokeAny(l, LONG_DELAY_MS, MILLISECONDS); shouldThrow(); } catch (ExecutionException success) { assertTrue(success.getCause() instanceof NullPointerException); } assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS); } }
Example 4
Source File: ForkJoinPoolTest.java From streamsupport with GNU General Public License v2.0 | 6 votes |
/** * invokeAny(c) throws NullPointerException if c has a single null element */ public void testInvokeAny3() throws Throwable { ExecutorService e = new ForkJoinPool(1); PoolCleaner cleaner = null; try { cleaner = cleaner(e); List<Callable<String>> l = new ArrayList<>(); l.add(null); try { e.invokeAny(l); shouldThrow(); } catch (NullPointerException success) {} } finally { if (cleaner != null) { cleaner.close(); } } }
Example 5
Source File: ThreadPoolExecutorTest.java From openjdk-jdk9 with GNU General Public License v2.0 | 6 votes |
/** * invokeAny(c) throws NPE if c has null elements */ public void testInvokeAny3() throws Exception { final CountDownLatch latch = new CountDownLatch(1); final ExecutorService e = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); try (PoolCleaner cleaner = cleaner(e)) { List<Callable<String>> l = new ArrayList<>(); l.add(latchAwaitingStringTask(latch)); l.add(null); try { e.invokeAny(l); shouldThrow(); } catch (NullPointerException success) {} latch.countDown(); } }
Example 6
Source File: ForkJoinPoolTest.java From streamsupport with GNU General Public License v2.0 | 6 votes |
/** * timed invokeAny(null time unit) throws NullPointerException */ public void testTimedInvokeAnyNullTimeUnit() throws Throwable { ExecutorService e = new ForkJoinPool(1); PoolCleaner cleaner = null; try { cleaner = cleaner(e); List<Callable<String>> l = new ArrayList<>(); l.add(new StringTask()); try { e.invokeAny(l, randomTimeout(), null); shouldThrow(); } catch (NullPointerException success) {} } finally { if (cleaner != null) { cleaner.close(); } } }
Example 7
Source File: ForkJoinPoolTest.java From streamsupport with GNU General Public License v2.0 | 6 votes |
/** * timed invokeAny(null) throws NullPointerException */ public void testTimedInvokeAny1() throws Throwable { ExecutorService e = new ForkJoinPool(1); PoolCleaner cleaner = null; try { cleaner = cleaner(e); try { e.invokeAny(null, randomTimeout(), randomTimeUnit()); shouldThrow(); } catch (NullPointerException success) {} } finally { if (cleaner != null) { cleaner.close(); } } }
Example 8
Source File: ThreadPoolExecutorTest.java From j2objc with Apache License 2.0 | 6 votes |
/** * invokeAny(c) throws NPE if c has null elements */ public void testInvokeAny3() throws Exception { final CountDownLatch latch = new CountDownLatch(1); final ExecutorService e = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); try (PoolCleaner cleaner = cleaner(e)) { List<Callable<String>> l = new ArrayList<Callable<String>>(); l.add(latchAwaitingStringTask(latch)); l.add(null); try { e.invokeAny(l); shouldThrow(); } catch (NullPointerException success) {} latch.countDown(); } }
Example 9
Source File: ScheduledExecutorSubclassTest.java From openjdk-jdk9 with GNU General Public License v2.0 | 5 votes |
/** * invokeAny(empty collection) throws IAE */ public void testInvokeAny2() throws Exception { final ExecutorService e = new CustomExecutor(2); try (PoolCleaner cleaner = cleaner(e)) { try { e.invokeAny(new ArrayList<Callable<String>>()); shouldThrow(); } catch (IllegalArgumentException success) {} } }
Example 10
Source File: ScheduledExecutorTest.java From j2objc with Apache License 2.0 | 5 votes |
/** * invokeAny(null) throws NPE */ public void testInvokeAny1() throws Exception { final ExecutorService e = new ScheduledThreadPoolExecutor(2); try (PoolCleaner cleaner = cleaner(e)) { try { e.invokeAny(null); shouldThrow(); } catch (NullPointerException success) {} } }
Example 11
Source File: ThreadPoolExecutorSubclassTest.java From j2objc with Apache License 2.0 | 5 votes |
/** * timed invokeAny(empty collection) throws IAE */ public void testTimedInvokeAny2() throws Exception { final ExecutorService e = new CustomTPE(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); try (PoolCleaner cleaner = cleaner(e)) { try { e.invokeAny(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS); shouldThrow(); } catch (IllegalArgumentException success) {} } }
Example 12
Source File: AbstractExecutorServiceTest.java From openjdk-jdk9 with GNU General Public License v2.0 | 5 votes |
/** * timed invokeAny(c) throws NPE if c has null elements */ public void testTimedInvokeAny3() throws Exception { final ExecutorService e = new DirectExecutorService(); try (PoolCleaner cleaner = cleaner(e)) { List<Callable<Long>> l = new ArrayList<>(); l.add(new Callable<Long>() { public Long call() { throw new ArithmeticException(); }}); l.add(null); try { e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS); shouldThrow(); } catch (NullPointerException success) {} } }
Example 13
Source File: ScheduledExecutorTest.java From j2objc with Apache License 2.0 | 5 votes |
/** * invokeAny(c) throws NPE if c has null elements */ public void testInvokeAny3() throws Exception { CountDownLatch latch = new CountDownLatch(1); final ExecutorService e = new ScheduledThreadPoolExecutor(2); try (PoolCleaner cleaner = cleaner(e)) { List<Callable<String>> l = new ArrayList<Callable<String>>(); l.add(latchAwaitingStringTask(latch)); l.add(null); try { e.invokeAny(l); shouldThrow(); } catch (NullPointerException success) {} latch.countDown(); } }
Example 14
Source File: ScheduledExecutorSubclassTest.java From openjdk-jdk9 with GNU General Public License v2.0 | 5 votes |
/** * timed invokeAny(null) throws NPE */ public void testTimedInvokeAny1() throws Exception { final ExecutorService e = new CustomExecutor(2); try (PoolCleaner cleaner = cleaner(e)) { try { e.invokeAny(null, MEDIUM_DELAY_MS, MILLISECONDS); shouldThrow(); } catch (NullPointerException success) {} } }
Example 15
Source File: ForkJoinPoolTest.java From j2objc with Apache License 2.0 | 5 votes |
/** * invokeAny(c) throws NullPointerException if c has null elements */ public void testInvokeAny4() throws Throwable { CountDownLatch latch = new CountDownLatch(1); ExecutorService e = new ForkJoinPool(1); try (PoolCleaner cleaner = cleaner(e)) { List<Callable<String>> l = new ArrayList<Callable<String>>(); l.add(latchAwaitingStringTask(latch)); l.add(null); try { e.invokeAny(l); shouldThrow(); } catch (NullPointerException success) {} latch.countDown(); } }
Example 16
Source File: ScheduledExecutorSubclassTest.java From j2objc with Apache License 2.0 | 5 votes |
/** * timed invokeAny(,,null) throws NPE */ public void testTimedInvokeAnyNullTimeUnit() throws Exception { final ExecutorService e = new CustomExecutor(2); try (PoolCleaner cleaner = cleaner(e)) { List<Callable<String>> l = new ArrayList<Callable<String>>(); l.add(new StringTask()); try { e.invokeAny(l, MEDIUM_DELAY_MS, null); shouldThrow(); } catch (NullPointerException success) {} } }
Example 17
Source File: ForkJoinPoolTest.java From openjdk-jdk9 with GNU General Public License v2.0 | 5 votes |
/** * invokeAny(c) throws NullPointerException if c has a single null element */ public void testInvokeAny3() throws Throwable { ExecutorService e = new ForkJoinPool(1); try (PoolCleaner cleaner = cleaner(e)) { List<Callable<String>> l = new ArrayList<>(); l.add(null); try { e.invokeAny(l); shouldThrow(); } catch (NullPointerException success) {} } }
Example 18
Source File: ScheduledExecutorTest.java From j2objc with Apache License 2.0 | 5 votes |
/** * timed invokeAny(c) returns result of some task */ public void testTimedInvokeAny5() throws Exception { final ExecutorService e = new ScheduledThreadPoolExecutor(2); try (PoolCleaner cleaner = cleaner(e)) { long startTime = System.nanoTime(); List<Callable<String>> l = new ArrayList<Callable<String>>(); l.add(new StringTask()); l.add(new StringTask()); String result = e.invokeAny(l, LONG_DELAY_MS, MILLISECONDS); assertSame(TEST_STRING, result); assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS); } }
Example 19
Source File: ThreadPoolExecutorSubclassTest.java From openjdk-jdk9 with GNU General Public License v2.0 | 5 votes |
/** * timed invokeAny(empty collection) throws IAE */ public void testTimedInvokeAny2() throws Exception { final ExecutorService e = new CustomTPE(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); try (PoolCleaner cleaner = cleaner(e)) { try { e.invokeAny(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS); shouldThrow(); } catch (IllegalArgumentException success) {} } }
Example 20
Source File: ForkJoinPoolTest.java From j2objc with Apache License 2.0 | 5 votes |
/** * timed invokeAny(null time unit) throws NullPointerException */ public void testTimedInvokeAnyNullTimeUnit() throws Throwable { ExecutorService e = new ForkJoinPool(1); try (PoolCleaner cleaner = cleaner(e)) { List<Callable<String>> l = new ArrayList<Callable<String>>(); l.add(new StringTask()); try { e.invokeAny(l, MEDIUM_DELAY_MS, null); shouldThrow(); } catch (NullPointerException success) {} } }