Example usage for java.lang Thread isAlive

Introduction

In this page you can find the example usage for java.lang Thread isAlive.

Prototype

public final native boolean isAlive();

Source Link

Document

Tests if this thread is alive.

Usage

From source file:com.asakusafw.bulkloader.transfer.StreamFileListProvider.java

@Override
public final void waitForComplete() throws IOException, InterruptedException {
    synchronized (running) {
        for (Iterator<Thread> iter = running.iterator(); iter.hasNext();) {
            Thread next = iter.next();
            if (next.isAlive()) {
                next.join();// w ww  .  jav  a  2 s  . c o m
            }
            iter.remove();
        }
    }
    waitForDone();
}

From source file:it.jnrpe.server.ThreadTimeoutWatcher.java

/**
 * Kills the thread identified by the specified thread data
 * @param td The thread data//w w w. j a  v  a2 s .  c  o  m
 */
private void killThread(CThreadData td) {
    Thread t = td.getThread();
    if (t.isAlive()) {
        if (m_Logger.isInfoEnabled())
            m_Logger.warn("Killing thread. It was running since "
                    + ((System.currentTimeMillis() - td.getStartTime()) / 1000) + " seconds ago");
        ((JNRPEServerThread) t).stopNow();
    }
}

From source file:net.bluehornreader.service.Service.java

public void waitForThreadsToFinish() {
    long start = System.currentTimeMillis();
    for (;;) {// ww w . j a  v  a  2  s.  c o  m
        boolean foundAlive = false;
        if (isAlive()) {
            foundAlive = true;
            LOG.info(String.format("Thread %s is still alive", getName()));
            synchronized (this) {
                notify();
            }
        }
        for (Thread thread : getChildThreads()) {
            if (thread.isAlive()) {
                foundAlive = true;
                LOG.info(String.format("Thread %s is still alive", thread.getName()));
                synchronized (thread) { //ttt2 make sure this works, as Idea complains: create a separate test case; (the thing is that the object is not
                    // local, but taken from a global collection)
                    thread.notify();
                }
            }
        }
        if (foundAlive) {
            try {
                if (System.currentTimeMillis() - start > 10000) { // ttt2 maybe make configurable
                    LOG.warn("Some threads are still running. Giving up on shutting them down.");
                    return;
                }

                Thread.sleep(1000);
            } catch (InterruptedException e) {
                LOG.error("Exception sleeping while trying to shut down child threads", e);
            }
        } else {
            return;
        }
    }
}

From source file:br.com.pense.produto.controller.MultiThreadsTest.java

@Test
public void MultiThreads() {
    System.out.println(">>> MultiThreads: " + NRO_THREADS);
    System.out.println("- Disparando threads!");
    SemanticEngineThread s;/*w ww .  j  a  v  a2s  . co m*/
    Thread t;
    List<Thread> lst = new ArrayList<Thread>();
    for (int i = 0; i < NRO_THREADS; i++) {
        s = new SemanticEngineThread();
        s.setId(i);
        t = new Thread(s);
        lst.add(t);
        t.start();
    }

    System.out.println("- Monitorando " + NRO_THREADS + " threads!");
    List<Thread> auxList = new ArrayList<Thread>();
    while (!lst.isEmpty()) {
        //            auxList.clear();
        auxList = new ArrayList<Thread>();
        for (Thread x : lst) {
            if (x.isAlive()) {
                auxList.add(x);
            }
        }
        lst = auxList;
        //            System.out.println("- "+ lst.size() +" ainda vivas.");
    }
    System.out.println("- Finalizado!");
}

From source file:com.thoughtworks.go.config.BackgroundMailSender.java

private ValidationBean execute(Runnable action) {
    Thread thread = new Thread(action);
    thread.start();//from w w w .  j  a va  2  s .  c  o  m
    try {
        thread.join(timeout);
        if (thread.isAlive()) {
            thread.interrupt();
            return ValidationBean.notValid(ERROR_MESSAGE);
        }
        return validation;
    } catch (InterruptedException e) {
        LOGGER.error("Timed out when sending an email. Please check email configuration.");
        return ValidationBean.notValid(ERROR_MESSAGE);
    }
}

From source file:org.bhave.experiment.data.TestKafkaConsumer.java

@Test
public void testConfigureKafkaConsumer() throws InterruptedException {

    KafkaDataConsumer consumer = new KafkaDataConsumer();

    Configuration config = new PropertiesConfiguration();
    config.addProperty(KafkaDataConsumer.HOST_CFG, "localhost");
    config.addProperty(KafkaDataConsumer.PORT_CFG, KafkaDataConsumer.DEFAULT_PORT_CFG);
    config.addProperty(KafkaDataConsumer.TOPIC_CFG, "test");
    config.addProperty(KafkaDataConsumer.P_PRODUCER_ID, 0);

    consumer.loadConfiguration(config);/*from www  . j  av a2  s  . co  m*/

    Configuration configuration = consumer.getConfiguration();
    assertNotNull(configuration);

    consumer.addExporter(new StdOutDataExporter());

    Thread consumerThread = new Thread(consumer);
    consumerThread.setName("Consumer Thread");
    consumerThread.start();

    assertTrue(consumerThread.isAlive());
    //this should terminate the thread in which it is running
    consumer.finish();

    Thread.sleep(1000);
    assertFalse(consumerThread.isAlive());

    System.out.println("Kafka Consumer Thread terminated");

}

From source file:com.sonatype.nexus.perftest.ClientSwarm.java

public void stop() throws InterruptedException {
    for (Thread thread : threads) {
        for (int i = 0; i < 3 && thread.isAlive(); i++) {
            thread.interrupt();//from  w w w. j  av a  2s .  c  om
            thread.join(1000L);
        }
        if (thread.isAlive()) {
            StringBuilder sb = new StringBuilder(
                    String.format("Thread %s ignored interrupt flag\n", thread.getName()));
            for (StackTraceElement f : thread.getStackTrace()) {
                sb.append("\t").append(f.toString()).append("\n");
            }
            System.err.println(sb.toString());
        }
    }
}

From source file:org.echocat.jomon.spring.ContextLoadThreadGroup.java

public void join() throws InterruptedException {
    for (final Thread thread : this) {
        if (thread.isAlive()) {
            thread.join();/*  w  w  w  .j  a v a 2s . c om*/
        }
    }
    throwRuntimeExceptionOn();
}

From source file:org.huahinframework.manager.queue.QueueManager.java

@Override
public void run() {
    log.info("QueueManager start");

    try {/* w  w w  . ja v  a  2  s .  c om*/
        List<Thread> threads = new ArrayList<Thread>();
        for (;;) {
            Map<String, Queue> runQueueMap = QueueUtils.readRemoveQueue(queuePath);
            for (Entry<String, Queue> entry : runQueueMap.entrySet()) {
                QueueUtils.removeQueue(queuePath, entry.getValue());
            }

            Map<String, Queue> queueMap = QueueUtils.readQueue(queuePath);
            if (queueMap.isEmpty()) {
                Thread.sleep(POLLING_SECOND);
                continue;
            }

            int runnings = JobUtils.listJob(org.apache.hadoop.mapreduce.JobStatus.State.RUNNING, jobConf)
                    .size();
            int preps = JobUtils.listJob(org.apache.hadoop.mapreduce.JobStatus.State.PREP, jobConf).size();
            if (jobQueueLimit > 0 && (runnings + preps) >= jobQueueLimit) {
                Thread.sleep(POLLING_SECOND);
                continue;
            }

            List<Thread> removes = new ArrayList<Thread>();
            for (Thread t : threads) {
                if (!t.isAlive()) {
                    removes.add(t);
                }
            }
            threads.removeAll(removes);

            if (jobQueueLimit > 0 && threads.size() >= jobQueueLimit) {
                Thread.sleep(POLLING_SECOND);
                continue;
            }

            Queue queue = null;
            for (Queue q : queueMap.values()) {
                queue = q;
                break;
            }

            if (queue.getType() == Queue.TYPE_HIVE && properties.getHiveserver() == null) {
                queue.setRun(true);
                queue.setMessage("hiveserver not found.");
                QueueUtils.registerQueue(queuePath, queue);
                continue;
            }

            Thread runQueue = null;
            switch (queue.getType()) {
            case Queue.TYPE_JAR:
                runQueue = new RunQueue(JobUtils.getJobConf(properties), queuePath, queue);
                break;
            case Queue.TYPE_HIVE:
                runQueue = new RunHiveQueue(properties, queuePath, queue);
                break;
            case Queue.TYPE_PIG:
                runQueue = new RunPigQueue(properties, queuePath, queue);
                break;
            }

            runQueue.start();
            threads.add(runQueue);

            queue.setRun(true);
            QueueUtils.registerQueue(queuePath, queue);
        }
    } catch (Exception e) {
        e.printStackTrace();
        log.error(e);
    }

    log.info("QueueManager end");
}

From source file:org.echocat.jomon.spring.ContextLoadThreadGroup.java

public boolean join(@Nonnull Duration duration) throws InterruptedException {
    boolean result = true;
    final Iterator<Thread> i = iterator();
    final StopWatch stopWatch = new StopWatch();
    while (result && i.hasNext()) {
        final Thread thread = i.next();
        if (thread.isAlive()) {
            thread.join(duration.minus(stopWatch.getCurrentDuration()).in(MILLISECONDS));
        }//from  ww w.  ja va  2s.  c o  m
        result = !thread.isAlive();
    }
    if (result) {
        throwRuntimeExceptionOn();
    }
    return result;
}