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:com.samczsun.helios.bootloader.Bootloader.java

public static void main(String[] args) {
    try {/*from w  w w.j  a v a 2  s  .c om*/
        if (!Constants.DATA_DIR.exists() && !Constants.DATA_DIR.mkdirs())
            throw new RuntimeException("Could not create data directory");
        if (!Constants.ADDONS_DIR.exists() && !Constants.ADDONS_DIR.mkdirs())
            throw new RuntimeException("Could not create addons directory");
        if (!Constants.SETTINGS_FILE.exists() && !Constants.SETTINGS_FILE.createNewFile())
            throw new RuntimeException("Could not create settings file");
        if (Constants.DATA_DIR.isFile())
            throw new RuntimeException("Data directory is file");
        if (Constants.ADDONS_DIR.isFile())
            throw new RuntimeException("Addons directory is file");
        if (Constants.SETTINGS_FILE.isDirectory())
            throw new RuntimeException("Settings file is directory");

        loadSWTLibrary();

        DisplayPumper displayPumper = new DisplayPumper();

        if (System.getProperty("os.name").toLowerCase().contains("mac")) {
            System.out.println("Attemting to force main thread");
            Executor executor;
            try {
                Class<?> dispatchClass = Class.forName("com.apple.concurrent.Dispatch");
                Object dispatchInstance = dispatchClass.getMethod("getInstance").invoke(null);
                executor = (Executor) dispatchClass.getMethod("getNonBlockingMainQueueExecutor")
                        .invoke(dispatchInstance);
            } catch (Throwable throwable) {
                throw new RuntimeException("Could not reflectively access Dispatch", throwable);
            }
            if (executor != null) {
                executor.execute(displayPumper);
            } else {
                throw new RuntimeException("Could not load executor");
            }
        } else {
            Thread pumpThread = new Thread(displayPumper);
            pumpThread.start();
        }
        while (!displayPumper.isReady())
            ;

        Display display = displayPumper.getDisplay();
        Shell shell = displayPumper.getShell();
        Splash splashScreen = new Splash(display);
        splashScreen.updateState(BootSequence.CHECKING_LIBRARIES);
        checkPackagedLibrary(splashScreen, "enjarify", Constants.ENJARIFY_VERSION,
                BootSequence.CHECKING_ENJARIFY, BootSequence.CLEANING_ENJARIFY, BootSequence.MOVING_ENJARIFY);
        checkPackagedLibrary(splashScreen, "Krakatau", Constants.KRAKATAU_VERSION,
                BootSequence.CHECKING_KRAKATAU, BootSequence.CLEANING_KRAKATAU, BootSequence.MOVING_KRAKATAU);
        Helios.main(args, shell, splashScreen);
        while (!displayPumper.isDone()) {
            Thread.sleep(100);
        }
    } catch (Throwable t) {
        displayError(t);
        System.exit(1);
    }
}

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From source file:com.heliosdecompiler.helios.bootloader.Bootloader.java

public static void main(String[] args) {
    try {//w  w  w .ja va2  s .c  o m
        if (!Constants.DATA_DIR.exists() && !Constants.DATA_DIR.mkdirs())
            throw new RuntimeException("Could not create data directory");
        if (!Constants.ADDONS_DIR.exists() && !Constants.ADDONS_DIR.mkdirs())
            throw new RuntimeException("Could not create addons directory");
        if (!Constants.SETTINGS_FILE.exists() && !Constants.SETTINGS_FILE.createNewFile())
            throw new RuntimeException("Could not create settings file");
        if (Constants.DATA_DIR.isFile())
            throw new RuntimeException("Data directory is file");
        if (Constants.ADDONS_DIR.isFile())
            throw new RuntimeException("Addons directory is file");
        if (Constants.SETTINGS_FILE.isDirectory())
            throw new RuntimeException("Settings file is directory");

        try {
            Class<?> clazz = Class.forName("org.eclipse.swt.widgets.Event");
            Object location = clazz.getProtectionDomain() != null
                    && clazz.getProtectionDomain().getCodeSource() != null
                            ? clazz.getProtectionDomain().getCodeSource().getLocation()
                            : "";
            throw new RuntimeException("SWT should not be loaded. Instead, it was loaded from " + location);
        } catch (ClassNotFoundException ignored) {
            loadSWTLibrary();
        }

        DisplayPumper displayPumper = new DisplayPumper();

        if (System.getProperty("os.name").toLowerCase().contains("mac")) {
            System.out.println("Attemting to force main thread");
            Executor executor;
            try {
                Class<?> dispatchClass = Class.forName("com.apple.concurrent.Dispatch");
                Object dispatchInstance = dispatchClass.getMethod("getInstance").invoke(null);
                executor = (Executor) dispatchClass.getMethod("getNonBlockingMainQueueExecutor")
                        .invoke(dispatchInstance);
            } catch (Throwable throwable) {
                throw new RuntimeException("Could not reflectively access Dispatch", throwable);
            }
            if (executor != null) {
                executor.execute(displayPumper);
            } else {
                throw new RuntimeException("Could not load executor");
            }
        } else {
            Thread pumpThread = new Thread(displayPumper);
            pumpThread.setName("Display Pumper");
            pumpThread.start();
        }
        while (!displayPumper.isReady())
            ;

        Display display = displayPumper.getDisplay();
        Shell shell = displayPumper.getShell();
        Splash splashScreen = new Splash(display);
        splashScreen.updateState(BootSequence.CHECKING_LIBRARIES);
        checkPackagedLibrary(splashScreen, "enjarify", Constants.ENJARIFY_VERSION,
                BootSequence.CHECKING_ENJARIFY, BootSequence.CLEANING_ENJARIFY, BootSequence.MOVING_ENJARIFY);
        checkPackagedLibrary(splashScreen, "Krakatau", Constants.KRAKATAU_VERSION,
                BootSequence.CHECKING_KRAKATAU, BootSequence.CLEANING_KRAKATAU, BootSequence.MOVING_KRAKATAU);

        try {
            if (!System.getProperty("os.name").toLowerCase().contains("linux")) {
                UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName());
            }
        } catch (Exception exception) { //Not important. No point notifying the user
        }

        Helios.main(args, shell, splashScreen);
        synchronized (displayPumper.getSynchronizer()) {
            displayPumper.getSynchronizer().wait();
        }
        System.exit(0);
    } catch (Throwable t) {
        displayError(t);
        System.exit(1);
    }
}

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From source file:org.jactr.core.module.AbstractModule.java

/**
 * create a future task and execute it on the exector
 * //w w  w. j  av a2 s.c o  m
 * @param <T>
 * @param caller
 * @param executor
 * @return
 */
static public <T> Future<T> delayedFuture(Callable<T> caller, Executor executor) {
    FutureTask<T> future = new FutureTask<T>(caller);
    if (executor != null)
        executor.execute(future);
    else
        future.run();

    return future;
}

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From source file:org.apache.helix.taskexecution.TaskExecutionDemo.java

private static void startWorkers(String zkAddr, String clusterName, TaskFactory taskFactory,
        TaskResultStore taskResultStore) {
    int numWorkers = NUM_WORKERS;
    Executor executor = Executors.newFixedThreadPool(numWorkers);

    for (int i = 0; i < numWorkers; i++) {
        Worker worker = new Worker(zkAddr, clusterName, "" + i, taskFactory, taskResultStore);
        executor.execute(worker);
    }/*  w ww .  jav  a 2 s. c  om*/
}

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From source file:Main.java

public static long time(Executor executor, int concurrency, final Runnable action) throws InterruptedException {
    final CountDownLatch ready = new CountDownLatch(concurrency);
    final CountDownLatch start = new CountDownLatch(1);
    final CountDownLatch done = new CountDownLatch(concurrency);

    for (int i = 0; i < concurrency; i++) {
        executor.execute(new Runnable() {
            @Override//  w w w . j  ava2  s  . c  om
            public void run() {
                ready.countDown(); // Tell timer we're ready
                try {
                    start.await(); // Wait till peers are ready
                    action.run();
                } catch (InterruptedException e) {
                    Thread.currentThread().interrupt();
                } finally {
                    done.countDown(); // Tell timer we're done
                }
            }
        });
    }

    ready.await(); // Wait for all workers to be ready
    long startNanos = System.nanoTime();
    start.countDown(); // And they're off!
    done.await(); // Wait for all workers to finish
    return System.nanoTime() - startNanos;
}

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From source file:org.sipfoundry.sipxconfig.admin.configdiag.ConfigurationDiagnosticContextImpl.java

/**
 * Similar to ExecutorService.invokeAll but this method is not going to block. You can check
 * the progress later by analysing returned futures.
 *///from   ww w .j ava  2  s  .c  om
static <T> List<Future<T>> scheduleAll(Executor executor, Collection<? extends Callable<T>> tasks)
        throws InterruptedException {
    List<Future<T>> futures = new ArrayList<Future<T>>(tasks.size());
    for (Callable<T> t : tasks) {
        FutureTask<T> f = new FutureTask<T>(t);
        futures.add(f);
        executor.execute(f);
    }
    return futures;
}

---

From source file:de.hshannover.f4.trust.iron.mapserver.contentauth.RemotePDP.java

private static void runServer(int port, LocalSunXacml pdp, int threads) {
    Executor clientExec = Executors.newFixedThreadPool(threads);
    ServerSocketFactory sockFac = ServerSocketFactory.getDefault();

    try {//w  ww . j  ava  2s.c om
        ServerSocket sock = sockFac.createServerSocket(port);
        while (true) {
            Socket clientSock = sock.accept();
            Runnable cmd = new HandleXacmlRequest(clientSock, pdp);
            System.out.println(nameDate() + "new client " + clientSock.getInetAddress());
            clientExec.execute(cmd);
        }
    } catch (IOException e) {
        System.err.println(nameDate() + e.toString());
        System.exit(1);
    }
}

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From source file:org.apache.stratos.manager.subscription.utils.CartridgeSubscriptionUtils.java

public static void publishTenantSubscribedEvent(int tenantId, String serviceName, Set<String> clusterIds) {

    Executor exec = new Executor() {
        @Override/*from w ww  .j a va 2 s  .  c o  m*/
        public void execute(Runnable command) {
            command.run();
        }
    };

    exec.execute(new TenantSubscribedEventPublisher(tenantId, serviceName, clusterIds));
}

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From source file:hudson.plugins.downstream_ext.DownstreamTrigger.java

public static void executeForProject(AbstractProject<?, ?> project, Runnable run) {
    Executor executor = executors.get(project);
    if (executor == null) {
        executor = Executors.newSingleThreadExecutor();
        Executor old = executors.putIfAbsent(project, executor);
        if (old != null) {
            executor = old;/*from ww  w  .j  a v  a 2 s.  c  o  m*/
        }
    }
    executor.execute(run);
}

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From source file:org.apache.sshd.server.RunnableAbstractCommand.java

@Override
public void start(final Environment env) throws IOException {
    final ExitCallback cbExit = getExitCallback();
    Executor executor = getExecutor();
    try {//from w w  w  . java 2 s.  c  o  m
        executor.execute(new Runnable() {
            @Override
            public void run() {
                try {
                    Integer exitCode = executeCommand(env);
                    if (exitCode != null) {
                        cbExit.onExit(exitCode.intValue());
                    }
                } catch (Throwable t) {
                    getLogger().warn(
                            "Failed (" + t.getClass().getSimpleName() + ") to execute: " + t.getMessage(), t);
                    cbExit.onExit(EXIT_FAIL.intValue(), t.getClass().getName());
                }
            }
        });
    } catch (Throwable t) {
        logger.warn("Failed (" + t.getClass().getSimpleName() + ") to submit: " + t.getMessage(), t);
        cbExit.onExit(EXIT_FAIL.intValue(), t.getClass().getName());
    }
}

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