Example usage for java.util.concurrent ExecutorService shutdown

List of usage examples for java.util.concurrent ExecutorService shutdown

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Introduction

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

Prototype

void shutdown();

Source Link

Document

Initiates an orderly shutdown in which previously submitted tasks are executed, but no new tasks will be accepted.

Usage

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  .  ja v a2s  .  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:it.infn.ct.futuregateway.apiserver.APIContextListener.java

@Override
public final void contextDestroyed(final ServletContextEvent sce) {
    ExecutorService exServ;
    try {/*w  w  w.j a v a 2s  . c  o  m*/
        Context ctx = new InitialContext();
        exServ = (ExecutorService) ctx.lookup("java:comp/env/threads/Submitter");
    } catch (NamingException ex) {
        exServ = (ExecutorService) sce.getServletContext().getAttribute("SubmissionThreadPool");
    }
    exServ.shutdown();
    try {
        if (!exServ.awaitTermination(Constants.MAXTHREADWAIT, TimeUnit.MINUTES)) {
            log.warn("Failed to shutdown the submission thread pool.");
        }
    } catch (InterruptedException ex) {
        log.error(ex);
    }
}

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

private void trySend(int numThreads, int numEventsPerThread, boolean indexShare) throws Exception {
    Configuration config = SupportConfigFactory.getConfiguration();
    config.addEventType("SupportBean", SupportBean.class);
    config.addPlugInAggregationFunction("intListAgg", MyIntListAggregation.class.getName());
    config.getEngineDefaults().getEventMeta()
            .setDefaultEventRepresentation(Configuration.EventRepresentation.MAP); // use Map-type events for testing
    engine = EPServiceProviderManager.getDefaultProvider(config);
    engine.initialize();//www. j  a  v  a2 s.  com

    // setup statements
    engine.getEPAdministrator().createEPL("create schema UpdateEvent as (uekey string, ueint int)");
    engine.getEPAdministrator().createEPL("create schema WindowSchema as (wskey string, wsint int)");

    String createEpl = "create window MyWindow.win:keepall() as WindowSchema";
    if (indexShare) {
        createEpl = "@Hint('enable_window_subquery_indexshare') " + createEpl;
    }
    EPStatement namedWindow = engine.getEPAdministrator().createEPL(createEpl);

    engine.getEPAdministrator().createEPL("create index ABC on MyWindow(wskey)");
    engine.getEPAdministrator()
            .createEPL("on UpdateEvent mue merge MyWindow mw " + "where uekey = wskey and ueint = wsint "
                    + "when not matched then insert select uekey as wskey, ueint as wsint "
                    + "when matched then delete");
    // note: here all threads use the same string key to insert/delete and different values for the int
    EPStatement targetStatement = engine.getEPAdministrator().createEPL(
            "select (select intListAgg(wsint) from MyWindow mw where wskey = 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 StmtNamedWindowSubqueryAggCallable(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:com.ras.updater.Downloader.java

/**
 * This method will check for updates on all {@link #m_fileProviders} and download anything with an update.
 * @return true if at least one file was updated or false if no files were updated
 *///  w  w w. j a  v  a  2 s  . c  o m
public boolean update() {
    ArrayList<Future<Boolean>> results = new ArrayList<Future<Boolean>>();
    ExecutorService es = Executors.newFixedThreadPool(Runtime.getRuntime().availableProcessors());
    for (IFileProvider fileProvider : m_fileProviders) {
        FileUpdaterCallable task = new FileUpdaterCallable(fileProvider);
        results.add(es.submit(task));
    }
    es.shutdown();
    try {
        if (!es.awaitTermination(m_downloadTimeout, m_downloadTimeUnit))
            es.shutdownNow();
    } catch (InterruptedException e) {
        m_statusCallback.handleError(e);
        es.shutdownNow();
        Thread.currentThread().interrupt();
    }

    //Loop through the results for update values
    for (Future<Boolean> result : results) {
        try {
            if (result.isDone() && result.get() != null && result.get())
                return true;
        } catch (InterruptedException e) {
            //This should never happen
            m_statusCallback.handleError(e);
        } catch (ExecutionException e) {
            m_statusCallback.handleError(e);
        }
    }

    return false;
}

From source file:net.openhft.chronicle.logger.log4j1.Log4j1IndexedChroniclePerfTest.java

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

    final int RUNS = 1000000;
    final int THREADS = 10;

    for (int size : new int[] { 64, 128, 256 }) {
        {/*from ww w  .j a  va  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-indexed-chronicle"));
            }

            es.shutdown();
            es.awaitTermination(60, TimeUnit.SECONDS);

            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));
        }

        {
            final long start = System.nanoTime();

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

            es.shutdown();
            es.awaitTermination(60, TimeUnit.SECONDS);

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

            System.out.printf(
                    "Plain.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-indexed-chronicle"));
}

From source file:net.openhft.chronicle.logger.log4j1.Log4j1VanillaChroniclePerfTest.java

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

    final int RUNS = 100000; // ~ 10s
    final int THREADS = Runtime.getRuntime().availableProcessors();

    for (int size : new int[] { 64, 128, 256 }) {
        {//  w w w .  ja  v a2s . 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));
        }

        {
            final long start = System.nanoTime();

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

            es.shutdown();
            es.awaitTermination(5, TimeUnit.MINUTES);

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

            System.out.printf(
                    "Plain.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));
        }
    }

    IOTools.deleteDir(basePath("perf-binary-vanilla-chronicle"));
}

From source file:net.openhft.chronicle.logger.logback.LogbackVanillaChroniclePerfTest.java

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

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

    for (int size : new int[] { 64, 128, 256 }) {
        {/*from ww w.  j ava 2  s .c om*/
            final int RUNS = 250000;
            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));
        }

        {
            final int RUNS = 10000;
            final long start = System.nanoTime();

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

            es.shutdown();
            es.awaitTermination(5, TimeUnit.MINUTES);

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

            System.out.printf(
                    "Plain.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));
        }
    }

    IOTools.deleteDir(basePath("perf-binary-vanilla-chronicle"));
}

From source file:net.openhft.chronicle.logger.log4j2.Log4j2VanillaChroniclePerfTest.java

@Test
public void testMultiThreadLogging() throws IOException, InterruptedException {

    warmup(LoggerFactory.getLogger("perf-binary-vanilla-chronicle"));
    warmup(LoggerFactory.getLogger("perf-plain-vanilla"));

    final int RUNS = 250000; // ~10s
    final int THREADS = Runtime.getRuntime().availableProcessors();

    for (int size : new int[] { 64, 128, 256 }) {
        {/*w w w  .  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));
        }

        {
            final long start = System.nanoTime();

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

            es.shutdown();
            es.awaitTermination(10, TimeUnit.MINUTES);

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

            System.out.printf(
                    "Plain.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));
        }
    }

    IOTools.deleteDir(basePath("perf-binary-vanilla-chronicle"));
}

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

private void trySend(int numThreads, int numRepeats, int numStatements) throws Exception {
    // Create same statement X times
    EPStatement stmt[] = new EPStatement[numStatements];
    SupportMTUpdateListener listeners[] = new SupportMTUpdateListener[stmt.length];
    for (int i = 0; i < stmt.length; i++) {
        stmt[i] = engine.getEPAdministrator().createEPL(" select * " + " from "
                + SupportMarketDataBean.class.getName() + ".std:groupwin(symbol).stat:uni(price)");
        listeners[i] = new SupportMTUpdateListener();
        stmt[i].addListener(listeners[i]);
    }/* ww w. j  a v a2s  .co m*/

    // Start send threads
    // Each threads sends each symbol with price = 0 to numRepeats
    long startTime = System.currentTimeMillis();
    ExecutorService threadPool = Executors.newFixedThreadPool(numThreads);
    Future future[] = new Future[numThreads];
    for (int i = 0; i < numThreads; i++) {
        Callable callable = new StmtSharedViewCallable(numRepeats, engine, SYMBOLS);
        future[i] = threadPool.submit(callable);
    }

    // Shut down
    threadPool.shutdown();
    threadPool.awaitTermination(10, TimeUnit.SECONDS);
    for (int i = 0; i < numThreads; i++) {
        assertTrue((Boolean) future[i].get());
    }
    long endTime = System.currentTimeMillis();
    long delta = endTime - startTime;
    assertTrue("delta=" + delta + " not less then 5 sec", delta < 5000); // should take less then 5 seconds even for 100 statements as they need to share resources thread-safely

    // Assert results
    for (SupportMTUpdateListener listener : listeners) {
        assertEquals(numRepeats * numThreads * SYMBOLS.length, listener.getNewDataList().size());
        EventBean[] newDataLast = listener.getNewDataList().get(listener.getNewDataList().size() - 1);
        assertEquals(1, newDataLast.length);
        EventBean result = newDataLast[0];
        assertEquals(numRepeats * numThreads, ((Long) result.get("datapoints")).longValue());
        assertTrue(Arrays.asList(SYMBOLS).contains(result.get("symbol")));
        assertEquals(sumToN(numRepeats) * numThreads, result.get("total"));
        listener.reset();
    }

    for (int i = 0; i < stmt.length; i++) {
        stmt[i].stop();
    }
}

From source file:microsoft.exchange.webservices.data.HttpClientWebRequest.java

/**
 * Releases the connection by Closing./*from  w  w  w . j a  va  2 s .c o m*/
 */
@Override
public void close() {
    ExecutorService es = CallableSingleTon.getExecutor();
    es.shutdown();
    if (null != httpPostReq) {
        httpPostReq.releaseConnection();
        //postMethod.abort();
    }
    httpPostReq = null;
}