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:Main.java

public static void main(String[] args) {
    Runnable badTask = () -> {
        throw new RuntimeException("Throwing exception  from  task execution...");
    };/*from w  w w  .  ja  va2 s  .c  o  m*/

    ExecutorService exec = Executors.newSingleThreadExecutor();
    exec.execute(badTask);
    exec.shutdown();
}

From source file:SimpExec.java

public static void main(String args[]) {
    CountDownLatch cdl = new CountDownLatch(5);
    CountDownLatch cdl2 = new CountDownLatch(5);
    CountDownLatch cdl3 = new CountDownLatch(5);
    CountDownLatch cdl4 = new CountDownLatch(5);
    ExecutorService es = Executors.newFixedThreadPool(2);

    es.execute(new MyThread(cdl, "A"));
    es.execute(new MyThread(cdl2, "B"));
    es.execute(new MyThread(cdl3, "C"));
    es.execute(new MyThread(cdl4, "D"));

    try {//from w w w  . j av a 2s . c o  m
        cdl.await();
        cdl2.await();
        cdl3.await();
        cdl4.await();
    } catch (InterruptedException exc) {
        System.out.println(exc);
    }

    es.shutdown();
}

From source file:Main.java

public static void main(String[] args) {
    PrintTask task1 = new PrintTask("thread1");
    PrintTask task2 = new PrintTask("thread2");
    PrintTask task3 = new PrintTask("thread3");

    System.out.println("Starting threads");

    ExecutorService threadExecutor = Executors.newCachedThreadPool();

    threadExecutor.execute(task1); // start task1
    threadExecutor.execute(task2); // start task2
    threadExecutor.execute(task3); // start task3

    threadExecutor.shutdown(); // shutdown worker threads

    System.out.println("Threads started, main ends\n");
}

From source file:Main.java

public static void main(String[] args) {
    ExecutorService pool = Executors.newCachedThreadPool();
    Main app = new Main();
    for (int i = 0; i < 1000; i++) {
        pool.execute(app.new Adding());
    }//from w  w w  .jav a 2 s  .c o  m
    pool.shutdown();
    while (!pool.isTerminated()) {
        System.out.println(" Is it done? : " + pool.isTerminated());
    }
    System.out.println(" Is it done? : " + pool.isTerminated());
    System.out.println("Sum is " + app.sum);
}

From source file:MainClass.java

public static void main(String[] args) {
    PrintTask task1 = new PrintTask("thread1");
    PrintTask task2 = new PrintTask("thread2");
    PrintTask task3 = new PrintTask("thread3");

    System.out.println("Starting threads");

    ExecutorService threadExecutor = Executors.newCachedThreadPool();

    // start threads and place in runnable state
    threadExecutor.execute(task1); // start task1
    threadExecutor.execute(task2); // start task2
    threadExecutor.execute(task3); // start task3

    threadExecutor.shutdown(); // shutdown worker threads

    System.out.println("Threads started, main ends\n");
}

From source file:koper.demo.performance.SendDataEventMsgPerf.java

/**
 * DataEventMsg ?/*  w w w .j av  a2 s.  c o  m*/
 * @param args ?:???
 *             ?:?????? sleep 
 */
public static void main(String[] args) throws Exception {
    ApplicationContext context = new ClassPathXmlApplicationContext("kafka/context-data-message.xml",
            "kafka/context-data-producer.xml");

    Order order = new Order();
    order.setId(100);
    order.setOrderNo("order_no");
    order.setCreatedTime("oroder_created_time");

    OrderService orderService = (OrderService) context.getBean("orderServiceImpl");

    int threadNum = 1;
    long sleepMs = 1000L;
    if (args.length >= 1) {
        threadNum = Integer.parseInt(args[0]);
        sleepMs = Long.parseLong(args[1]);
    }
    final long finalSleepMs = sleepMs;
    ExecutorService executorService = Executors.newFixedThreadPool(threadNum);
    for (int i = 0; i < threadNum; ++i) {
        executorService.execute(() -> {
            while (true) {
                orderService.insertOrder(order);
                try {
                    Thread.sleep(finalSleepMs);
                } catch (Exception e) {
                    e.printStackTrace();
                }
            }
        });
    }
}

From source file:Main.java

public static void main(String[] args) {
    Map<String, String> map = new ConcurrentHashMap<String, String>();
    for (int i = 0; i < MAP_SIZE; i++) {
        map.put("key:" + i, UUID.randomUUID().toString());
    }/*from  w w w  .  ja  va2 s  . c om*/
    ExecutorService executor = Executors.newCachedThreadPool();
    Accessor a1 = new Accessor(map);
    Accessor a2 = new Accessor(map);
    Mutator m = new Mutator(map);
    executor.execute(a1);
    executor.execute(m);
    executor.execute(a2);
}

From source file:Main.java

public static void main(String[] args) throws IOException {
    ExecutorService service = Executors.newFixedThreadPool(4);
    BufferedReader buffer = new BufferedReader(new InputStreamReader(System.in));
    String line;/*  w ww .ja  v  a 2s . c  o  m*/
    while ((line = buffer.readLine()) != null) {
        service.execute(new Worker(line));
    }
}

From source file:se.symsoft.codecamp.SmsTerminatorService.java

public static void main(String[] args) throws IOException, InterruptedException {

    ExecutorService executor = Executors.newFixedThreadPool(1);
    SmsTerminatorService service = new SmsTerminatorService();
    executor.execute(() -> {
        try {//w  w  w.  j a  v a 2 s  .  co  m
            service.start();
        } catch (IOException e) {
            throw new RuntimeException(e);
        }

    });

}

From source file:com.puzzle.module.send.sign.SignXml.java

public static void main(String[] args) throws Exception {
    ClientApi api = ClientApi.getSingletonClientApi();
    String xml = FileUtils.readFileToString(new File("D:\\work\\myeclipse2014\\workspace\\Ukey\\sign.xml"),
            "UTF-8");
    //            
    ExecutorService s = Executors.newFixedThreadPool(3);

    for (int i = 0; i < 1; i++) {
        s.execute(new signTest(xml));
    }/*w w w.ja  v  a2  s . c o m*/

    //        String signData = Base64.encodeBase64String(signedData);
    //        FileUtils.writeStringToFile(new File("D:\\sign.txt"), signData, "UTF-8");
    //        System.out.println(signData);
}