Example usage for java.util.concurrent ExecutorService awaitTermination

Introduction

In this page you can find the example usage for java.util.concurrent ExecutorService awaitTermination.

Prototype

boolean awaitTermination(long timeout, TimeUnit unit) throws InterruptedException;

Source Link

Document

Blocks until all tasks have completed execution after a shutdown request, or the timeout occurs, or the current thread is interrupted, whichever happens first.

Usage

From source file:net.openhft.chronicle.logger.slf4j.Slf4jVanillaChronicleBinaryLoggerPerfTest.java

@Test
public void testMultiThreadLogging() throws IOException, InterruptedException {
    warmup(LoggerFactory.getLogger("perf-binary-vanilla-chronicle"));

    final int RUNS = 300000;
    final int THREADS = Runtime.getRuntime().availableProcessors();

    for (int size : new int[] { 64, 128, 256 }) {
        {//from w  ww . j  a  v a 2 s  . c o  m
            final long start = System.nanoTime();

            ExecutorService es = Executors.newFixedThreadPool(THREADS);
            for (int t = 0; t < THREADS; t++) {
                es.submit(new RunnableLogger(RUNS, size, "perf-binary-vanilla-chronicle"));
            }

            es.shutdown();
            es.awaitTermination(2, TimeUnit.MINUTES);

            final long time = System.nanoTime() - start;

            System.out.printf(
                    "ChronicleLog.MT (runs=%d, min size=%03d, elapsed=%.3f ms) took an average of %.3f us per entry\n",
                    RUNS, size, time / 1e6, time / 1e3 / (RUNS * THREADS));
        }
    }

    ChronicleTools.deleteOnExit(basePath("perf-binary-vanilla-chronicle"));
}

---

From source file:com.espertech.esper.multithread.TestMTStmtNamedWindowMerge.java

private void trySend(int numThreads, int numEventsPerThread) throws Exception {
    Configuration config = SupportConfigFactory.getConfiguration();
    config.addEventType("SupportBean", SupportBean.class);
    engine = EPServiceProviderManager.getDefaultProvider(config);
    engine.initialize();//from ww  w  .ja  va 2s.c  o  m

    // setup statements
    engine.getEPAdministrator().createEPL("create window MyWindow.win:keepall() as select * from SupportBean");
    engine.getEPAdministrator()
            .createEPL("on SupportBean sb " + "merge MyWindow nw where nw.theString = sb.theString "
                    + " when not matched then insert select * "
                    + " when matched then update set intPrimitive = nw.intPrimitive + 1");

    // execute
    ExecutorService threadPool = Executors.newFixedThreadPool(numThreads);
    Future<Boolean> future[] = new Future[numThreads];
    for (int i = 0; i < numThreads; i++) {
        future[i] = threadPool.submit(new StmtNamedWindowMergeCallable(engine, numEventsPerThread));
    }

    threadPool.shutdown();
    threadPool.awaitTermination(10, TimeUnit.SECONDS);

    // total up result
    for (int i = 0; i < numThreads; i++) {
        Boolean result = future[i].get();
        assertTrue(result);
    }

    // compare
    EventBean[] rows = engine.getEPRuntime().executeQuery("select * from MyWindow").getArray();
    assertEquals(numEventsPerThread, rows.length);
    for (EventBean row : rows) {
        assertEquals(numThreads - 1, row.get("intPrimitive"));
    }
    //long deltaTime = endTime - startTime;
    //System.out.println("Totals updated: " + totalUpdates + "  Delta cumu: " + deltaCumulative + "  Delta pooled: " + deltaTime);
}

---

From source file:jenkins.plugins.elanceodesk.workplace.notifier.HttpWorkerTest.java

@Test
public void testMutipleTriesWorker() throws InterruptedException {
    ExecutorService executorService = Executors.newCachedThreadPool();
    HttpWorker worker = new HttpWorker("http://localhost:8000/retry-test", "test1body", 30000, retries,
            Mockito.mock(PrintStream.class));
    executorService.submit(worker);//from   ww w  . j  a v a  2  s.co m
    executorService.shutdown();
    executorService.awaitTermination(5, TimeUnit.SECONDS);
    Assert.assertTrue(MyHandler.getRetryTestResult());
}

---

From source file:com.espertech.esper.multithread.TestMTDeterminismListener.java

private void trySend(int numThreads, int numEvents, boolean isPreserveOrder,
        ConfigurationEngineDefaults.Threading.Locking locking) throws Exception {
    Configuration config = SupportConfigFactory.getConfiguration();
    config.getEngineDefaults().getThreading().setListenerDispatchPreserveOrder(isPreserveOrder);
    config.getEngineDefaults().getThreading().setListenerDispatchLocking(locking);

    engine = EPServiceProviderManager.getDefaultProvider(config);
    engine.initialize();/*from   w  ww.  ja v  a 2 s.c o  m*/

    // setup statements
    EPStatement stmtInsert = engine.getEPAdministrator()
            .createEPL("select count(*) as cnt from " + SupportBean.class.getName());
    SupportMTUpdateListener listener = new SupportMTUpdateListener();
    stmtInsert.addListener(listener);

    // execute
    ExecutorService threadPool = Executors.newFixedThreadPool(numThreads);
    Future future[] = new Future[numThreads];
    for (int i = 0; i < numThreads; i++) {
        future[i] = threadPool.submit(new SendEventCallable(i, engine, new GeneratorIterator(numEvents)));
    }

    threadPool.shutdown();
    threadPool.awaitTermination(10, TimeUnit.SECONDS);

    for (int i = 0; i < numThreads; i++) {
        assertTrue((Boolean) future[i].get());
    }

    EventBean events[] = listener.getNewDataListFlattened();
    long[] result = new long[events.length];
    for (int i = 0; i < events.length; i++) {
        result[i] = (Long) events[i].get("cnt");
    }
    //log.info(".trySend result=" + Arrays.toString(result));

    // assert result
    assertEquals(numEvents * numThreads, events.length);
    for (int i = 0; i < numEvents * numThreads; i++) {
        assertEquals(result[i], (long) i + 1);
    }
}

---

From source file:org.rhq.metrics.simulator.Simulator.java

private void shutdown(ExecutorService service, String serviceName, int wait) {
    log.info("Shutting down " + serviceName);
    service.shutdown();/*from w  w w .j  a v  a  2  s.com*/
    try {
        service.awaitTermination(wait, TimeUnit.SECONDS);
    } catch (InterruptedException e) {
    }
    if (!service.isTerminated()) {
        log.info("Forcing " + serviceName + " shutdown.");
        service.shutdownNow();
    }
    log.info(serviceName + " shut down complete");
}

---

From source file:com.sangupta.httptools.DownloadUrlCommand.java

/**
 * Terminate the thread pool//from w  w w  .j a v  a2 s. c  om
 * 
 * @param pool
 *            the thread pool to terminate
 */
private void shutdownAndAwaitTermination(ExecutorService pool) {
    pool.shutdown(); // Disable new tasks from being submitted
    try {
        // Wait a while for existing tasks to terminate
        if (!pool.awaitTermination(1, TimeUnit.DAYS)) {
            pool.shutdownNow(); // Cancel currently executing tasks

            // Wait a while for tasks to respond to being cancelled
            if (!pool.awaitTermination(60, TimeUnit.SECONDS))
                System.err.println("Pool did not terminate");
        }
    } catch (InterruptedException ie) {
        // (Re-)Cancel if current thread also interrupted
        pool.shutdownNow();
        // Preserve interrupt status
        Thread.currentThread().interrupt();
    }
}

---

From source file:org.mitre.mpf.mst.TestSystemStress3.java

/**
 * This test intentionally runs one file per job
 *//*from   w w w .j a  v  a 2 s  . c  o m*/
@Test(timeout = 180 * MINUTES)
public void runFaceOcvDetectImageManyJobs() throws Exception {
    testCtr++;
    log.info("Beginning test #{} runFaceOcvDetectImageManyJobs()", testCtr);
    IOFileFilter fileFilter = FileFilterUtils.and(FileFilterUtils.fileFileFilter(),
            FileFilterUtils.suffixFileFilter(".jpg"));

    int numExtractors = 6; // number of extractors on Jenkins (* number of nodes, now 1)
    //        int numExtractors = 2;  // number of extractors on local VM * 1 node

    // for testing on local VM only
    //        Collection<File> files = FileUtils.listFiles(new File(getClass().getClassLoader().getResource("samples/face").getFile()),
    //            fileFilter, null);

    // for testing on Jenkins
    // 10,000 jpgs
    Collection<File> files = FileUtils.listFiles(new File("/mpfdata/datasets/mugshots_10000"), fileFilter,
            null);

    BlockingQueue<File> fQueue = new ArrayBlockingQueue<File>(files.size());
    for (File file : files) {
        fQueue.put(file);
    }
    ExecutorService executor = Executors.newFixedThreadPool(numExtractors);
    JobRunner[] jobRunners = new JobRunner[numExtractors];
    for (int i = 0; i < numExtractors; i++) {
        jobRunners[i] = new JobRunner(fQueue);
        executor.submit(jobRunners[i]);
    }
    executor.shutdown();
    executor.awaitTermination(Long.MAX_VALUE, TimeUnit.MILLISECONDS);

    Assert.assertEquals(
            "Number of files to process={} doesn't match actual number of jobs run={} (one job/file)",
            files.size(), manyJobsNumFilesProcessed);
    log.info("Successfully ran {} jobs for {} files, one file per job, without a hiccup",
            manyJobsNumFilesProcessed, files.size());
    log.info("Finished test runFaceOcvDetectImageManyJobs()");
}

---

From source file:com.brienwheeler.lib.concurrent.ExecutorsTest.java

@Test
public void testNewSingleThreadExecutorShutdownClean() throws InterruptedException {
    NamedThreadFactory threadFactory = new NamedThreadFactory(THREAD_FACTORY_NAME);
    ExecutorService executor = Executors.newSingleThreadExecutor(threadFactory);
    Assert.assertFalse(executor.isShutdown());
    Assert.assertFalse(executor.isTerminated());

    executor.execute(new NullRunnable());

    executor.shutdown();/*from w w  w. j ava2s. c o  m*/
    Assert.assertTrue(executor.isShutdown());
    executor.awaitTermination(10, TimeUnit.MILLISECONDS);
    Assert.assertTrue(executor.isTerminated());
}

---

From source file:com.espertech.esper.multithread.TestMTStmtNamedWindowSubqueryLookup.java

private void trySend(int numThreads, int numEventsPerThread) throws Exception {
    Configuration config = SupportConfigFactory.getConfiguration();
    config.getEngineDefaults().getEventMeta()
            .setDefaultEventRepresentation(Configuration.EventRepresentation.MAP); // use Map-type events for testing
    config.addEventType("SupportBean", SupportBean.class);
    engine = EPServiceProviderManager.getDefaultProvider(config);
    engine.initialize();/*from  w  w w.j a v  a2  s  .co m*/

    // setup statements
    engine.getEPAdministrator().createEPL("create schema MyUpdateEvent as (key string, intupd int)");
    engine.getEPAdministrator().createEPL("create schema MySchema as (theString string, intval int)");
    EPStatement namedWindow = engine.getEPAdministrator()
            .createEPL("create window MyWindow.win:keepall() as MySchema");
    engine.getEPAdministrator()
            .createEPL("on MyUpdateEvent mue merge MyWindow mw " + "where mw.theString = mue.key "
                    + "when not matched then insert select key as theString, intupd as intval "
                    + "when matched then delete");
    EPStatement targetStatement = engine.getEPAdministrator().createEPL(
            "select (select intval from MyWindow mw where mw.theString = sb.theString) as val from SupportBean sb");

    // execute
    ExecutorService threadPool = Executors.newFixedThreadPool(numThreads);
    Future<Boolean> future[] = new Future[numThreads];
    for (int i = 0; i < numThreads; i++) {
        future[i] = threadPool.submit(
                new StmtNamedWindowSubqueryLookupCallable(i, engine, numEventsPerThread, targetStatement));
    }

    threadPool.shutdown();
    threadPool.awaitTermination(10, TimeUnit.SECONDS);

    // total up result
    for (int i = 0; i < numThreads; i++) {
        Boolean result = future[i].get();
        assertTrue(result);
    }

    EventBean[] events = EPAssertionUtil.iteratorToArray(namedWindow.iterator());
    assertEquals(0, events.length);
}

---

From source file:org.apache.streams.facebook.provider.FacebookFriendFeedProvider.java

void shutdownAndAwaitTermination(ExecutorService pool) {
    pool.shutdown(); // Disable new tasks from being submitted
    try {/*from   w  w w . j ava2s . com*/
        // Wait a while for existing tasks to terminate
        if (!pool.awaitTermination(10, TimeUnit.SECONDS)) {
            pool.shutdownNow(); // Cancel currently executing tasks
            // Wait a while for tasks to respond to being cancelled
            if (!pool.awaitTermination(10, TimeUnit.SECONDS)) {
                System.err.println("Pool did not terminate");
            }
        }
    } catch (InterruptedException ie) {
        // (Re-)Cancel if current thread also interrupted
        pool.shutdownNow();
        // Preserve interrupt status
        Thread.currentThread().interrupt();
    }
}

---

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