Example usage for java.util.concurrent Executor execute

Introduction

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

Prototype

void execute(Runnable command);

Source Link

Document

Executes the given command at some time in the future.

Usage

From source file:org.onehippo.cms7.launcher.LoggingPanel.java

private void startPolling() {
    final TailerListener listener = new TailerListenerAdapter() {
        @Override// w w w. ja  v  a 2s.co  m
        public void handle(final String line) {
            try {
                loggingDocument.insertString(0, System.lineSeparator(), null);
                loggingDocument.insertString(0, line, null);
            } catch (BadLocationException e) {
                throw new RuntimeException(e);
            }
        }
    };
    final File catalinaLogFile = getCatalinaLogFile();
    final Executor logFilePollingExecutor = Executors.newSingleThreadExecutor();
    logFilePollingExecutor.execute(Tailer.create(catalinaLogFile, listener, 100L));
}

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From source file:ufo.remote.calls.benchmark.client.caller.resttemplate.AsyncRestTemplateTester.java

@Override
protected void startTest(final TesterResult result) {

    String url = "http://" + hostname + ":" + port + path;

    CountDownLatch latch = new CountDownLatch(result.totalCalls);
    AtomicInteger failures = new AtomicInteger(0);
    Executor executor = Executors.newFixedThreadPool(10);
    for (int i = 0; i < result.totalCalls; i++) {
        executor.execute(new Caller(url, result.message, latch, failures));
    }/*  ww w.j av a  2 s  . com*/

    try {
        latch.await();
    } catch (InterruptedException e) {
        throw new RuntimeException(e);
    }
    result.failures = failures.get();
}

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From source file:com.athena.meerkat.controller.web.provisioning.log.LogTailerListenerTest.java

@Test
public void testHandleString() {
    LogTailerListener listener = new LogTailerListener(new WebSocketSessionMock());
    long delay = 2000;
    File file = new File("G:\\project\\AthenaMeerkat\\meerkat.log");
    Tailer tailer = new Tailer(file, listener, delay);

    // stupid executor impl. for demo purposes

    Executor executor = new Executor() {
        public void execute(Runnable command) {
            command.run();/* w  w w.  j a  v a 2  s.co  m*/
        }
    };

    executor.execute(tailer);

    /*
    Thread thread = new Thread(tailer);
    thread.setDaemon(true);
    thread.start();
            
    try{
      Thread.sleep(10000);
    }catch(Exception e){}
    */
}

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From source file:org.apache.drill.exec.service.ServiceEngine.java

private void submit(Executor p, final String name, final AutoCloseable c) {
    p.execute(new Runnable() {
        @Override/*from w  ww. jav a2  s .  co  m*/
        public void run() {
            Stopwatch watch = Stopwatch.createStarted();
            try {
                c.close();
            } catch (Exception e) {
                logger.warn("Failure while closing {}.", name, e);
            }
            long elapsed = watch.elapsed(MILLISECONDS);
            if (elapsed > 500) {
                logger.info("closed " + name + " in " + elapsed + " ms");
            }
        }
    });
}

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From source file:org.flywaydb.core.FlywayPerformanceMediumTest.java

@Before
public void generateLotsOfInstallerScripts() throws IOException {
    //noinspection ResultOfMethodCallIgnored
    new File(DIR).mkdirs();
    Executor executor = Executors.newFixedThreadPool(Runtime.getRuntime().availableProcessors() * 2);
    for (int i = (scriptCount - 500); i < scriptCount; i++) {
        final int j = i;
        executor.execute(new Runnable() {
            @Override/*ww  w . ja  va 2s. c  o  m*/
            public void run() {
                try {
                    IOUtils.write("SELECT " + j + " FROM DUAL",
                            new FileOutputStream(DIR + "/V" + j + "__Test.sql"));
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }
        });
    }
}

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From source file:org.springframework.context.event.SimpleApplicationEventMulticaster.java

@Override
public void multicastEvent(final ApplicationEvent event, @Nullable ResolvableType eventType) {
    ResolvableType type = (eventType != null ? eventType : resolveDefaultEventType(event));
    for (final ApplicationListener<?> listener : getApplicationListeners(event, type)) {
        Executor executor = getTaskExecutor();
        if (executor != null) {
            executor.execute(() -> invokeListener(listener, event));
        } else {/* w  w  w.j  a va  2s.  co m*/
            invokeListener(listener, event);
        }
    }
}

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From source file:org.springframework.integration.ip.udp.DatagramPacketMulticastSendingHandlerTests.java

@Test
public void verifySendMulticast() throws Exception {
    MulticastSocket socket;//w  ww .j av a 2s . co  m
    try {
        socket = new MulticastSocket();
    } catch (Exception e) {
        return;
    }
    final int testPort = socket.getLocalPort();
    final String multicastAddress = this.multicastRule.getGroup();
    final String payload = "foo";
    final CountDownLatch listening = new CountDownLatch(2);
    final CountDownLatch received = new CountDownLatch(2);
    Runnable catcher = () -> {
        try {
            byte[] buffer = new byte[8];
            DatagramPacket receivedPacket = new DatagramPacket(buffer, buffer.length);
            MulticastSocket socket1 = new MulticastSocket(testPort);
            socket1.setInterface(InetAddress.getByName(multicastRule.getNic()));
            InetAddress group = InetAddress.getByName(multicastAddress);
            socket1.joinGroup(group);
            listening.countDown();
            LogFactory.getLog(getClass()).debug(Thread.currentThread().getName() + " waiting for packet");
            socket1.receive(receivedPacket);
            socket1.close();
            byte[] src = receivedPacket.getData();
            int length = receivedPacket.getLength();
            int offset = receivedPacket.getOffset();
            byte[] dest = new byte[length];
            System.arraycopy(src, offset, dest, 0, length);
            assertEquals(payload, new String(dest));
            LogFactory.getLog(getClass()).debug(Thread.currentThread().getName() + " received packet");
            received.countDown();
        } catch (Exception e) {
            listening.countDown();
            e.printStackTrace();
        }
    };
    Executor executor = Executors.newFixedThreadPool(2);
    executor.execute(catcher);
    executor.execute(catcher);
    assertTrue(listening.await(10000, TimeUnit.MILLISECONDS));
    MulticastSendingMessageHandler handler = new MulticastSendingMessageHandler(multicastAddress, testPort);
    handler.setBeanFactory(mock(BeanFactory.class));
    handler.setLocalAddress(this.multicastRule.getNic());
    handler.afterPropertiesSet();
    handler.handleMessage(MessageBuilder.withPayload(payload).build());
    assertTrue(received.await(10000, TimeUnit.MILLISECONDS));
    handler.stop();
    socket.close();
}

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From source file:org.springframework.integration.ip.udp.DatagramPacketMulticastSendingHandlerTests.java

@Test
public void verifySendMulticastWithAcks() throws Exception {

    MulticastSocket socket;//ww  w . j  a  v a 2s . c o m
    try {
        socket = new MulticastSocket();
    } catch (Exception e) {
        return;
    }
    final int testPort = socket.getLocalPort();
    final AtomicInteger ackPort = new AtomicInteger();

    final String multicastAddress = "225.6.7.8";
    final String payload = "foobar";
    final CountDownLatch listening = new CountDownLatch(2);
    final CountDownLatch ackListening = new CountDownLatch(1);
    final CountDownLatch ackSent = new CountDownLatch(2);
    Runnable catcher = () -> {
        try {
            byte[] buffer = new byte[1000];
            DatagramPacket receivedPacket = new DatagramPacket(buffer, buffer.length);
            MulticastSocket socket1 = new MulticastSocket(testPort);
            socket1.setInterface(InetAddress.getByName(multicastRule.getNic()));
            socket1.setSoTimeout(8000);
            InetAddress group = InetAddress.getByName(multicastAddress);
            socket1.joinGroup(group);
            listening.countDown();
            assertTrue(ackListening.await(10, TimeUnit.SECONDS));
            LogFactory.getLog(getClass()).debug(Thread.currentThread().getName() + " waiting for packet");
            socket1.receive(receivedPacket);
            socket1.close();
            byte[] src = receivedPacket.getData();
            int length = receivedPacket.getLength();
            int offset = receivedPacket.getOffset();
            byte[] dest = new byte[6];
            System.arraycopy(src, offset + length - 6, dest, 0, 6);
            assertEquals(payload, new String(dest));
            LogFactory.getLog(getClass()).debug(Thread.currentThread().getName() + " received packet");
            DatagramPacketMessageMapper mapper = new DatagramPacketMessageMapper();
            mapper.setAcknowledge(true);
            mapper.setLengthCheck(true);
            Message<byte[]> message = mapper.toMessage(receivedPacket);
            Object id = message.getHeaders().get(IpHeaders.ACK_ID);
            byte[] ack = id.toString().getBytes();
            DatagramPacket ackPack = new DatagramPacket(ack, ack.length,
                    new InetSocketAddress(multicastRule.getNic(), ackPort.get()));
            DatagramSocket out = new DatagramSocket();
            out.send(ackPack);
            LogFactory.getLog(getClass())
                    .debug(Thread.currentThread().getName() + " sent ack to " + ackPack.getSocketAddress());
            out.close();
            ackSent.countDown();
            socket1.close();
        } catch (Exception e) {
            listening.countDown();
            e.printStackTrace();
        }
    };
    Executor executor = Executors.newFixedThreadPool(2);
    executor.execute(catcher);
    executor.execute(catcher);
    assertTrue(listening.await(10000, TimeUnit.MILLISECONDS));
    MulticastSendingMessageHandler handler = new MulticastSendingMessageHandler(multicastAddress, testPort,
            true, true, "localhost", 0, 10000);
    handler.setLocalAddress(this.multicastRule.getNic());
    handler.setMinAcksForSuccess(2);
    handler.setBeanFactory(mock(BeanFactory.class));
    handler.afterPropertiesSet();
    handler.start();
    waitAckListening(handler);
    ackPort.set(handler.getAckPort());
    ackListening.countDown();
    handler.handleMessage(MessageBuilder.withPayload(payload).build());
    assertTrue(ackSent.await(10000, TimeUnit.MILLISECONDS));
    handler.stop();
    socket.close();
}

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From source file:org.green.code.async.executor.ThreadPoolTaskExecutor.java

public void execute(Runnable task) {
    Executor executor = getThreadPoolExecutor();
    try {/*w  w  w . j a v a2 s  .c o  m*/
        executor.execute(task);
    } catch (RejectedExecutionException ex) {
        throw new TaskRejectedException("Executor [" + executor + "] did not accept task: " + task, ex);
    }
}

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From source file:be.vlaanderen.sesam.monitor.internal.util.ThreadPoolTaskScheduler.java

public void execute(Runnable task) {
    Executor executor = getScheduledExecutor();
    try {/*w  w w. ja va  2  s. c  o  m*/
        executor.execute(errorHandlingTask(task, false));
    } catch (RejectedExecutionException ex) {
        throw new TaskRejectedException("Executor [" + executor + "] did not accept task: " + task, ex);
    }
}

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