Example usage for java.util.concurrent ExecutorService execute

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

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Introduction

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

Prototype

void execute(Runnable command);

Source Link

Document

Executes the given command at some time in the future.

Usage

From source file:jcuda.jcublas.kernel.TestMultipleThreads.java

@Test
public void testMultipleThreads() throws InterruptedException {
    int numThreads = 10;
    final INDArray array = Nd4j.rand(3000, 3000);
    final INDArray expected = array.dup().mmul(array).mmul(array).div(array).div(array);
    final AtomicInteger correct = new AtomicInteger();
    final CountDownLatch latch = new CountDownLatch(numThreads);

    ExecutorService executors = Executors.newCachedThreadPool();

    for (int x = 0; x < numThreads; x++) {
        executors.execute(new Runnable() {
            @Override//from   www.j av a  2  s  .c o  m
            public void run() {
                try {
                    int total = 10;
                    int right = 0;
                    for (int x = 0; x < total; x++) {
                        StopWatch watch = new StopWatch();
                        watch.start();
                        INDArray actual = array.dup().mmul(array).mmul(array).div(array).div(array);
                        watch.stop();
                        System.out.println("MMUL took " + watch.getTime());
                        if (expected.equals(actual))
                            right++;
                    }

                    if (total == right)
                        correct.incrementAndGet();
                } finally {
                    latch.countDown();
                }

            }
        });
    }

    latch.await();

    assertEquals(numThreads, correct.get());

}

From source file:de.micromata.genome.gwiki.launcher.GWikiJettyServer.java

public void buildIndex() {

    ExecutorService executor = Executors.newFixedThreadPool(1);
    executor.execute(() -> {
        try {/*from   www .  ja v  a  2s .c om*/
            Thread.sleep(3000);
            wikibootcfg.getWikiSelector().initWiki(wikiServlet, wikibootcfg);
            int maxWait = 20;
            for (int i = 0; i < maxWait; ++i) {
                Thread.sleep(1000);
                GWikiWeb web = GWikiWeb.get();
                if (web != null) {
                    buildIndexInThread();
                    break;
                }
            }
        } catch (InterruptedException ex) {

        }

    });
}

From source file:edu.lternet.pasta.dml.download.DocumentHandler.java

public InputStream downloadDocument() throws Exception {

    log.info("starting the download");

    boolean success = true;

    final String id = docId;
    final EcogridEndPointInterface endpoint = ecogridEndPointInterface;

    ExecutorService service = Executors.newSingleThreadExecutor();
    service.execute(new Runnable() {
        public void run() {
            long startTime = System.currentTimeMillis();

            //get from the ecogrid
            try {
                if (ecogridEndPointInterface instanceof AuthenticatedEcogridEndPointInterface) {
                    AuthenticatedQueryServiceGetToStreamClient authenticatedEcogridClient = new AuthenticatedQueryServiceGetToStreamClient(
                            new URL(((AuthenticatedEcogridEndPointInterface) endpoint)
                                    .getMetacatAuthenticatedEcogridEndPoint()));
                    authenticatedEcogridClient.get(id,
                            ((AuthenticatedEcogridEndPointInterface) endpoint).getSessionId(), outputStream);
                } else {
                    QueryServiceGetToStreamClient ecogridClient = new QueryServiceGetToStreamClient(
                            new URL(endpoint.getMetacatEcogridEndPoint()));
                    ecogridClient.get(id, outputStream);
                }//from ww  w  .  j  a va  2 s  .  c  om
                outputStream.close();
                long endTime = System.currentTimeMillis();
                log.debug((endTime - startTime) + " ms to download: " + docId);
                log.debug("Done downloading id=" + id);

            } catch (Exception e) {
                log.error("Error getting document from ecogrid: " + e.getMessage());
                e.printStackTrace();
            }

        }
    });

    //wait for the download to complete
    service.shutdown();
    service.awaitTermination(0, TimeUnit.SECONDS);

    return inputStream;
}

From source file:org.wso2.carbon.identity.gateway.dao.AsyncSessionDAO.java

private AsyncSessionDAO() {

    //// ww w . j  a  v  a 2 s. c  o m
    String poolSizeConfig = "2";
    if (NumberUtils.isNumber(poolSizeConfig)) {
        poolSize = Integer.parseInt(poolSizeConfig);
        if (logger.isDebugEnabled()) {
            logger.debug("Thread pool size for Session Async DAO: " + poolSizeConfig);
        }
    }
    if (poolSize > 0) {
        ExecutorService threadPool = Executors.newFixedThreadPool(poolSize);
        for (int i = 0; i < poolSize; i++) {
            threadPool.execute(new SessionPersistenceTask(sessionJobs, persistentDAO));
        }
        threadPool = Executors.newFixedThreadPool(poolSize);
        for (int i = 0; i < poolSize; i++) {
            threadPool.execute(new SessionPersistenceTask(sessionJobs, persistentDAO));
        }
    }
}

From source file:org.wso2.carbon.identity.gateway.dao.AsyncGatewayContextDAO.java

private AsyncGatewayContextDAO() {

    ////from ww w.j  a  v a2s . co  m
    String poolSizeConfig = "2";
    if (NumberUtils.isNumber(poolSizeConfig)) {
        poolSize = Integer.parseInt(poolSizeConfig);
        if (logger.isDebugEnabled()) {
            logger.debug("Thread pool size for Session Async DAO: " + poolSizeConfig);
        }
    }
    if (poolSize > 0) {
        ExecutorService threadPool = Executors.newFixedThreadPool(poolSize);
        for (int i = 0; i < poolSize; i++) {
            threadPool.execute(new GatewayContextPersistenceTask(identityContextJobs, persistentDAO));
        }
        threadPool = Executors.newFixedThreadPool(poolSize);
        for (int i = 0; i < poolSize; i++) {
            threadPool.execute(new GatewayContextPersistenceTask(identityContextJobs, persistentDAO));
        }
    }
}

From source file:test.be.fedict.eid.applet.model.AuthenticationSignatureServiceBean.java

public PreSignResult preSign(List<X509Certificate> authnCertificateChain,
        AuthenticationSignatureContext authenticationSignatureContext) {
    LOG.debug("preSign");
    LOG.debug("authn cert chain size: " + authnCertificateChain.size());

    KeyStore proxyKeyStore;//from   www . ja v  a2  s .  c o  m
    final ProxyPrivateKey proxyPrivateKey;
    try {
        proxyKeyStore = KeyStore.getInstance("ProxyBeID");
        proxyKeyStore.load(null);
        proxyPrivateKey = (ProxyPrivateKey) proxyKeyStore.getKey("Signature", null);
    } catch (Exception e) {
        throw new RuntimeException("error loading ProxyBeID keystore");
    }

    FutureTask<String> signTask = new FutureTask<String>(new Callable<String>() {
        public String call() throws Exception {
            final Signature signature = Signature.getInstance("SHA256withRSA");
            signature.initSign(proxyPrivateKey);

            final byte[] toBeSigned = "hello world".getBytes();
            signature.update(toBeSigned);
            final byte[] signatureValue = signature.sign();
            LOG.debug("received signature value");
            return "signature result";
        }

    });
    final ExecutorService executor = Executors.newFixedThreadPool(1);
    executor.execute(signTask);

    authenticationSignatureContext.store("key", proxyPrivateKey);
    authenticationSignatureContext.store("signTask", signTask);

    byte[] digestValue;
    try {
        digestValue = proxyPrivateKey.getDigestInfo().getDigestValue();
    } catch (InterruptedException e) {
        throw new RuntimeException("signature error: " + e.getMessage(), e);
    }
    DigestInfo digestInfo = new DigestInfo(digestValue, "SHA-256", "WS-Security message");
    PreSignResult preSignResult = new PreSignResult(digestInfo, true);
    return preSignResult;
}

From source file:pl.bristleback.server.bristle.message.akka.SingleThreadMessageDispatcher.java

@Override
public void startDispatching() {
    if (dispatcherRunning) {
        throw new IllegalStateException("Dispatcher already running.");
    }/*from w ww .  j a  v a  2s.  c  o m*/
    log.info("Starting single threaded message dispatcher");
    ActorSystem system = ActorSystem.create("BristlebackSystem");
    sendMessageActor = system.actorOf(new Props(new UntypedActorFactory() {
        public UntypedActor create() {
            return new SendMessageActor(getServer());
        }
    }), "MessageDispatcherActor");
    ExecutorService executorService = Executors.newSingleThreadExecutor();
    setDispatcherRunning(true);
    executorService.execute(new Dispatcher());
}

From source file:it.infn.ct.futuregateway.apiserver.inframanager.state.Ready.java

@Override
public final void action(final ExecutorService anExecutorService, final BlockingQueue<Task> aBlockingQueue,
        final Storage aStorage) {
    if (this.task.getNativeId() == null) {
        anExecutorService.execute(new Submitter(this.task, aStorage));
        this.log.debug("Submitted the task: " + this.task.getId());
    } else {//w w  w. ja v a  2  s  . c o m
        this.task.setState(Task.STATE.SCHEDULED);
    }
}

From source file:org.sdw.mapping.RMLmapper.java

/**
 * Calls the interface's execute method with params set
 * @param config : Config of the dataset
 *///from www.  j ava2  s. c o  m
public void parallelExecutor(Configuration config, int numThreads) {
    ExecutorService executor = Executors.newCachedThreadPool();
    for (int i = 0; i < numThreads; i++) {
        executor.execute(new Runnable() {
            @Override
            public void run() {
                execute(config.getString("sourceFile"), config.getString("mappingFile"),
                        config.getString("outputFile"));
            }
        });
    }
}

From source file:org.pircbotx.hooks.managers.ThreadedListenerManager.java

protected void submitEvent(ExecutorService pool, final Listener listener, final Event event) {
    pool.execute(new ManagedFutureTask(listener, event, new Callable<Void>() {
        public Void call() {
            try {
                if (event.getBot() != null)
                    Utils.addBotToMDC(event.getBot());
                listener.onEvent(event);
            } catch (Throwable e) {
                getExceptionHandler().onException(listener, event, e);
            }/*from   w  ww  .  j  a  v  a 2 s. com*/
            return null;
        }
    }));
}