Example usage for java.lang Thread join

Introduction

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

Prototype

public final void join() throws InterruptedException 

Source Link

Document

Waits for this thread to die.

Usage

From source file:Main.java

public ThreadGroupDemo() {
    try {//from  w  w  w. ja  va  2  s. c om
        ThreadGroup pGroup = new ThreadGroup("Parent ThreadGroup");

        ThreadGroup cGroup = new ThreadGroup(pGroup, "Child ThreadGroup");

        Thread t1 = new Thread(pGroup, this);
        System.out.println("Starting " + t1.getName());
        t1.start();

        Thread t2 = new Thread(cGroup, this);
        System.out.println("Starting " + t2.getName());
        t2.start();

        // block until the other threads finish
        t1.join();
        t2.join();

        // child group destroyed
        cGroup.destroy();
        System.out.println(cGroup.getName() + " destroyed");

        // parent group destroyed
        pGroup.destroy();
        System.out.println(pGroup.getName() + " destroyed");

    } catch (InterruptedException ex) {
        System.out.println(ex.toString());
    }
}

---

From source file:cosmos.results.integration.CosmosIntegrationTest.java

@Test
public void testWiki1() throws Exception {
    // Get the same wiki 3 times
    List<Thread> threads = Lists.newArrayList();
    final List<Long> timings = Lists.newArrayList();

    // Preload//from  w  w w  . j av a2  s .c om
    Stopwatch sw = new Stopwatch();
    sw.start();
    getWiki1();
    sw.stop();
    long origLength = sw.elapsed(TimeUnit.MICROSECONDS);

    for (int i = 0; i < 3; i++) {
        threads.add(new Thread(new Runnable() {
            public void run() {
                try {
                    Stopwatch sw = new Stopwatch();
                    sw.start();
                    getWiki1();
                    sw.stop();
                    timings.add(sw.elapsed(TimeUnit.MICROSECONDS));
                } catch (Exception e) {
                    throw new RuntimeException(e);
                }
            }
        }));
    }

    long start = System.currentTimeMillis();

    for (Thread t : threads) {
        t.start();
    }

    for (Thread t : threads) {
        t.join();
    }

    long end = System.currentTimeMillis();

    for (Long duration : timings) {
        Assert.assertTrue(origLength > duration);
    }
}

---

From source file:org.t2framework.commons.util.LazyLoadingReference.java

public void test_loadHeavy() throws Exception {
        final LazyLoadingReference<String> target = new LazyLoadingReference<String>(
                new LazyLoadingReference.Factory<String>() {
                    public String create() {
                        return "hoge";
                    }//from  w w  w. j a  v  a2s . c o  m
                });
        final Random random = new Random(System.currentTimeMillis());
        List<Thread> list = new ArrayList<Thread>();
        for (int i = 0; i < 20; i++) {
            Runnable r = new Runnable() {
                public void run() {
                    try {
                        long l = random.nextLong() % 100;
                        Thread.sleep(l < 0 ? l * -1 : l);
                        assertEquals("hoge", target.get());
                    } catch (InterruptedException e) {
                        e.printStackTrace();
                    }
                }
            };
            Thread t = new Thread(r);
            list.add(t);
            t.start();
        }
        for (Thread t : list) {
            t.join();
        }
    }

---

From source file:ProgressDialog.java

private void setupEventHandlers() {

    addComponentListener(new ComponentAdapter() {
        public void componentShown(ComponentEvent event) {
            final Thread task = new Thread(runnable);
            task.start();/*from   w ww .  j  a v a2s.c om*/
            new Thread() {
                public void run() {
                    try {
                        task.join();
                    } catch (InterruptedException e) {
                    }
                    SwingUtilities.invokeLater(new Runnable() {
                        public void run() {
                            setVisible(false);
                        }
                    });
                }
            }.start();
        }
    });
}

---

From source file:org.statefulj.concurrency.ConcurrencyRunner.java

@Override
public void run(String... args) throws Exception {

    unsafeValueRepository.save(unsafeValueDocument);

    logger.debug("+----------------------------------------------+");
    logger.debug("|                                              |");
    logger.debug("|            Start Demo                        |");
    logger.debug("|                                              |");
    logger.debug("+----------------------------------------------+");
    logger.debug("");

    Runnable runnable = new Runnable() {

        @Override/* w  w w . j  ava 2  s  .com*/
        public void run() {
            for (int i = 0; i < 150; i++) {
                unsafeValueDocument.increment();
            }
        }
    };

    Thread t1 = new Thread(runnable);
    Thread t2 = new Thread(runnable);
    Thread t3 = new Thread(runnable);
    t1.start();
    t2.start();
    t3.start();
    t1.join();
    t2.join();
    t3.join();

    logger.debug("Value=" + this.unsafeValueRepository.findOne(unsafeValueDocument.getId()).getValue());

    safeValueRepository.save(safeValueDocument);

    runnable = new Runnable() {

        @Override
        public void run() {
            for (int i = 0; i < 150; i++) {
                safeValueDocument.increment();
            }
        }
    };

    t1 = new Thread(runnable);
    t2 = new Thread(runnable);
    t3 = new Thread(runnable);
    t1.start();
    t2.start();
    t3.start();
    t1.join();
    t2.join();
    t3.join();

    logger.debug("Value=" + this.safeValueRepository.findOne(safeValueDocument.getId()).getValue());

    logger.debug("");
    logger.debug("+----------------------------------------------+");
    logger.debug("|                                              |");
    logger.debug("|            End Demo                          |");
    logger.debug("|                                              |");
    logger.debug("+----------------------------------------------+");
}

---

From source file:com.espertech.esper.regression.view.TestMultithreadedTimeWin.java

public void testMultithreaded() throws Exception {
    int numSymbols = 1;
    int numThreads = 4;
    int numEventsPerThread = 50000;
    double timeWindowSize = 0.2;

    // Set up threads, statements and listeners
    setUp(numSymbols, numThreads, numEventsPerThread, timeWindowSize);

    // Start threads
    long startTime = System.currentTimeMillis();
    for (Thread thread : threads) {
        thread.run();/*from www.  j a v  a  2 s  . c  om*/
    }

    // Wait for completion
    for (Thread thread : threads) {
        thread.join();
    }
    long endTime = System.currentTimeMillis();

    // Check listener results
    long totalReceived = 0;
    for (ResultUpdateListener listener : listeners) {
        totalReceived += listener.getNumReceived();
        assertFalse(listener.isCaughtRuntimeException());
    }
    double numTimeWindowAdvancements = (endTime - startTime) / 1000 / timeWindowSize;

    log.info("Completed, expected=" + numEventsPerThread * numThreads + " numTimeWindowAdvancements="
            + numTimeWindowAdvancements + " totalReceived=" + totalReceived);
    assertTrue(totalReceived < numEventsPerThread * numThreads + numTimeWindowAdvancements + 1);
    assertTrue(totalReceived >= numEventsPerThread * numThreads);
}

---

From source file:com.alibaba.otter.shared.common.utils.cmd.Exec.java

public static Result execute(Process process, String cmd, String outputLog, byte[] input, File workingDir)
        throws Exception {
    // ???/*from   w  w w  . ja  v a2s .c o m*/
    Thread inputThread = new InputPumper((input == null) ? new byte[] {} : input, process.getOutputStream());
    StreamCollector stderr = null;
    StreamCollector stdout = null;
    FileOutputStream fileOutput = null;
    StreamAppender outputLogger = null;
    String errString = null;
    String outString = null;

    try {
        if (outputLog == null) {
            stdout = new StreamCollector(process.getInputStream());
            stderr = new StreamCollector(process.getErrorStream());
            stdout.start();
            stderr.start();
        } else {
            errString = "stderr output redirected to file " + outputLog;
            outString = "stdout output redirected to file " + outputLog;
            fileOutput = new FileOutputStream(outputLog);
            outputLogger = new StreamAppender(fileOutput);
            outputLogger.writeInput(process.getErrorStream(), process.getInputStream());
        }

        inputThread.start();

        final int exitCode = process.waitFor();

        inputThread.join();

        if (outputLogger != null) {
            outputLogger.finish();
        }

        if (stdout != null) {
            stdout.join();
            outString = stdout.toString();
        }

        if (stderr != null) {
            stderr.join();
            errString = stderr.toString();
        }

        return new Result(cmd.toString(), outString, errString, exitCode);
    } finally {
        IOUtils.closeQuietly(fileOutput);

        if (process != null) {
            // evitons http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=6462165
            process.getInputStream().close();
            process.getOutputStream().close();
            process.getErrorStream().close();
            process.destroy();
        }
    }
}

---

From source file:com.espertech.esper.regression.nwtable.TestTableMTGroupedAccessReadIntoTableWriteNewRowCreation.java

private void tryMT(int numEvents) throws Exception {
    String epl = "create table varTotal (key string primary key, total sum(int));\n"
            + "into table varTotal select theString, sum(intPrimitive) as total from SupportBean group by theString;\n"
            + "@Name('listen') select varTotal[p00].total as c0 from SupportBean_S0;\n";
    epService.getEPAdministrator().getDeploymentAdmin().parseDeploy(epl);
    epService.getEPRuntime().sendEvent(new SupportBean("A", 10));

    LinkedBlockingDeque<String> queueCreated = new LinkedBlockingDeque<String>();
    WriteRunnable writeRunnable = new WriteRunnable(epService, numEvents, queueCreated);
    ReadRunnable readRunnable = new ReadRunnable(epService, numEvents, queueCreated);

    // start/*from  w w  w. j  a  v a  2  s  .c  o  m*/
    Thread t1 = new Thread(writeRunnable);
    Thread t2 = new Thread(readRunnable);
    t1.start();
    t2.start();

    // join
    log.info("Waiting for completion");
    t1.join();
    t2.join();

    assertNull(writeRunnable.getException());
    assertNull(readRunnable.getException());
}

---

From source file:es.uma.lcc.tasks.SendUpdateTask.java

private void handleAuthenticationError() {
    Thread t = new CookieRefresherThread(AccountManager.get(mMainActivity), mMainActivity);
    t.start();/*from w  w  w  .j  av a2  s.c om*/
    try {
        t.join();
        new SendUpdateTask(mOperations, mPicId, mMainActivity, false).execute();
    } catch (InterruptedException e) {
        e.printStackTrace();
    }
}

---

From source file:com.xebialabs.overcast.command.CommandProcessor.java

public CommandResponse run(final Command command) {

    logger.debug("Executing command {}", command);

    try {/*from ww w.  j a  v  a 2 s. c om*/
        Process p = new ProcessBuilder(command.asList()).directory(new File(execDir)).start();

        // We do this small trick to have stdout and stderr of the process on the console and
        // at the same time capture them to strings.
        ByteArrayOutputStream errors = new ByteArrayOutputStream();
        ByteArrayOutputStream messages = new ByteArrayOutputStream();

        Thread t1 = showProcessOutput(new TeeInputStream(p.getErrorStream(), errors), System.err);
        Thread t2 = showProcessOutput(new TeeInputStream(p.getInputStream(), messages), System.out);

        int code = p.waitFor();

        t1.join();
        t2.join();

        CommandResponse response = new CommandResponse(code, errors.toString(), messages.toString());

        if (!response.isSuccessful()) {
            throw new NonZeroCodeException(command, response);
        }

        return response;

    } catch (InterruptedException e) {
        Thread.currentThread().interrupt();
        throw new RuntimeException("Cannot execute " + command.toString(), e);
    } catch (IOException e) {
        throw new RuntimeException("Cannot execute " + command.toString(), e);
    }
}

---

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