Example usage for java.util.concurrent TimeUnit SECONDS

List of usage examples for java.util.concurrent TimeUnit SECONDS

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Introduction

In this page you can find the example usage for java.util.concurrent TimeUnit SECONDS.

Prototype

TimeUnit SECONDS

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Document

Time unit representing one second.

Usage

From source file:Main.java

public static void main(final String[] args) throws Exception {
    Random RND = new Random();
    ExecutorService es = Executors.newFixedThreadPool(Runtime.getRuntime().availableProcessors());
    List<Future<String>> results = new ArrayList<>(10);
    for (int i = 0; i < 10; i++) {
        results.add(es.submit(new TimeSliceTask(RND.nextInt(10), TimeUnit.SECONDS)));
    }/*  w w w  .  j  a  v a 2  s  .  c  o  m*/
    es.shutdown();
    while (!results.isEmpty()) {
        Iterator<Future<String>> i = results.iterator();
        while (i.hasNext()) {
            Future<String> f = i.next();
            if (f.isDone()) {
                System.out.println(f.get());
                i.remove();
            }
        }
    }
}

From source file:Test.java

public static void main(String[] args) throws InterruptedException {
    BlockingQueue<Runnable> queue = new LinkedBlockingQueue<Runnable>();
    for (int i = 0; i < 10; i++) {
        final int localI = i;
        queue.add(new Runnable() {
            public void run() {
                doExpensiveOperation(localI);
            }/*from   w  w w .jav  a 2s .  co  m*/
        });
    }
    ThreadPoolExecutor executor = new ThreadPoolExecutor(10, 10, 1000, TimeUnit.MILLISECONDS, queue);
    executor.prestartAllCoreThreads();
    executor.shutdown();
    executor.awaitTermination(100000, TimeUnit.SECONDS);
}

From source file:ScheduledTask.java

public static void main(String[] args) {
    // Get an executor with 3 threads
    ScheduledExecutorService sexec = Executors.newScheduledThreadPool(3);

    ScheduledTask task1 = new ScheduledTask(1);
    ScheduledTask task2 = new ScheduledTask(2);

    // Task #1 will run after 2 seconds
    sexec.schedule(task1, 2, TimeUnit.SECONDS);

    // Task #2 runs after 5 seconds delay and keep running every 10 seconds
    sexec.scheduleAtFixedRate(task2, 5, 10, TimeUnit.SECONDS);

    try {//from  ww  w  . j  a v  a2s  .c  o  m
        TimeUnit.SECONDS.sleep(60);
    } catch (InterruptedException e) {
        e.printStackTrace();
    }
    sexec.shutdown();
}

From source file:Main.java

public static void main(String[] args) {
    DateTimeFormatter formatter = DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss");

    ScheduledThreadPoolExecutor scheduledThreadPoolExecutor = new ScheduledThreadPoolExecutor(2);
    scheduledThreadPoolExecutor.scheduleAtFixedRate(() -> {

        throw new RuntimeException(" scheduleAtFixedRate test ScheduledThreadPoolExecutor");
    }, 0, 3000, TimeUnit.MILLISECONDS);

    scheduledThreadPoolExecutor.scheduleAtFixedRate(() -> {

        System.out.println("scheduleAtFixedRate: " + LocalDateTime.now().format(formatter));
    }, 0, 2000, TimeUnit.MILLISECONDS);

    scheduledThreadPoolExecutor.schedule(() -> {

        System.out.println("schedule");
    }, 1, TimeUnit.SECONDS);
}

From source file:be.functor.cycloscan.CycloScan.java

public static void main(final String[] args) {
    ApplicationContext ctx = new ClassPathXmlApplicationContext("context/application-context.xml");

    while (true) {
        Uninterruptibles.sleepUninterruptibly(1, TimeUnit.SECONDS);
    }/* w  ww .  j av a  2s . co m*/
}

From source file:com.apress.prospringintegration.gateways.client.MainAsyncGateway.java

public static void main(String[] args) throws Exception {
    ClassPathXmlApplicationContext context = new ClassPathXmlApplicationContext("gateway-async.xml");

    TicketIssuerAsync ticketIssuerAsync = context.getBean("ticketIssueGatewayAsync", TicketIssuerAsync.class);

    Future<Ticket> result = ticketIssuerAsync.issueTicket(100L);

    Ticket ticket = result.get(1000, TimeUnit.SECONDS);
    System.out.println("Ticket: " + ticket + " was issued on: " + ticket.getIssueDateTime()
            + " with ticket id: " + ticket.getTicketId());
}

From source file:Test.java

public static void main(String args[]) throws Exception {
    ExecutorService pool = new ScheduledThreadPoolExecutor(3);
    AsynchronousFileChannel fileChannel = AsynchronousFileChannel.open(Paths.get("data.txt"),
            EnumSet.of(StandardOpenOption.READ), pool);
    CompletionHandler<Integer, ByteBuffer> handler = new CompletionHandler<Integer, ByteBuffer>() {
        public synchronized void completed(Integer result, ByteBuffer attachment) {
            for (int i = 0; i < attachment.limit(); i++) {
                System.out.print((char) attachment.get(i));
            }//  ww w . j  av a  2  s  .  c o  m
        }

        public void failed(Throwable e, ByteBuffer attachment) {
        }
    };
    final int bufferCount = 5;
    ByteBuffer buffers[] = new ByteBuffer[bufferCount];
    for (int i = 0; i < bufferCount; i++) {
        buffers[i] = ByteBuffer.allocate(10);
        fileChannel.read(buffers[i], i * 10, buffers[i], handler);
    }
    pool.awaitTermination(1, TimeUnit.SECONDS);
    for (ByteBuffer byteBuffer : buffers) {
        for (int i = 0; i < byteBuffer.limit(); i++) {
            System.out.println((char) byteBuffer.get(i));
        }
    }
}

From source file:kymr.github.io.future.LoadTest.java

public static void main(String[] args) throws InterruptedException {
    ExecutorService es = Executors.newFixedThreadPool(100);

    RestTemplate rt = new RestTemplate();
    String url = "http://localhost:8080/dr";

    StopWatch main = new StopWatch();
    main.start();//from   w  w  w.ja  v  a2  s. c  o m

    for (int i = 0; i < 100; i++) {
        es.execute(() -> {
            int idx = counter.addAndGet(1);
            log.info("Thread {}", idx);

            StopWatch sw = new StopWatch();
            sw.start();

            rt.getForObject(url, String.class);

            sw.stop();
            log.info("Elapsed: {} -> {}", idx, sw.getTotalTimeSeconds());
        });
    }

    es.shutdown();
    es.awaitTermination(100, TimeUnit.SECONDS);

    main.stop();
    log.info("Total: {}", main.getTotalTimeSeconds());
}

From source file:Test.java

public static void main(String args[]) throws Exception {
    ExecutorService pool = new ScheduledThreadPoolExecutor(3);
    AsynchronousFileChannel fileChannel = AsynchronousFileChannel.open(Paths.get("data.txt"),
            EnumSet.of(StandardOpenOption.READ), pool);
    CompletionHandler<Integer, ByteBuffer> handler = new CompletionHandler<Integer, ByteBuffer>() {
        @Override//from   w ww .  ja v a2s  .  c  o  m
        public synchronized void completed(Integer result, ByteBuffer attachment) {
            for (int i = 0; i < attachment.limit(); i++) {
                System.out.println((char) attachment.get(i));
            }
        }

        @Override
        public void failed(Throwable e, ByteBuffer attachment) {
        }
    };
    final int bufferCount = 5;
    ByteBuffer buffers[] = new ByteBuffer[bufferCount];
    for (int i = 0; i < bufferCount; i++) {
        buffers[i] = ByteBuffer.allocate(10);
        fileChannel.read(buffers[i], i * 10, buffers[i], handler);
    }
    pool.awaitTermination(1, TimeUnit.SECONDS);
    for (ByteBuffer byteBuffer : buffers) {
        for (int i = 0; i < byteBuffer.limit(); i++) {
            System.out.print((char) byteBuffer.get(i));
        }
    }
}

From source file:com.project.finalproject.Send.java

public static void main(String[] argv) throws Exception {
    ConnectionFactory factory = new ConnectionFactory();
    factory.setHost("localhost");
    Connection connection = factory.newConnection();
    Channel channel = connection.createChannel();
    channel.queueDeclare(QUEUE_NAME, false, false, false, null);

    try {//from  w w  w  . j a  v  a 2 s  .c  o  m
        InputStream is = new FileInputStream("hr.json");
        String jsontxt = IOUtils.toString(is);
        JSONObject jsonObject = new JSONObject(jsontxt);
        JSONArray stream = jsonObject.getJSONArray("stream");
        for (int i = 0; i < stream.length(); i++) {
            String message = stream.getJSONObject(i).getString("value");
            channel.basicPublish("", QUEUE_NAME, null, message.getBytes("UTF-8"));
            System.out.println(" [x] Sent '" + message + "'");
            TimeUnit.SECONDS.sleep(1);
        }
    } catch (FileNotFoundException fe) {
        fe.printStackTrace();
    } catch (Exception e) {
        e.printStackTrace();
    }

    channel.close();
    connection.close();
}