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:org.eclipse.ecr.core.event.tx.PostCommitSynchronousRunner.java

protected void runSync() {
    log.debug("Starting sync executor from Thread " + Thread.currentThread().getId());
    Thread runner = new Thread(getExecutor());
    runner.start();/*ww w . j a v a 2s.co  m*/
    try {
        runner.join(timeout);
        if (runner.isAlive()) {
            handleUnfinishedThread(runner);
        }
    } catch (InterruptedException e) {
        log.error("Exit before the end of processing", e);
    }
    log.debug("Terminated sync executor from Thread " + Thread.currentThread().getId());
}

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From source file:ubic.gemma.web.controller.common.auditAndSecurity.SignupControllerTest.java

@SuppressWarnings("Duplicates") // Not in this project
@Test//from w  w  w  .j  a  v a 2  s.com
public void testSignup() throws Exception {
    int numThreads = 10; // too high and we run out of connections, which is not what we're testing.
    final int numsignupsperthread = 20;
    final Random random = new Random();
    final AtomicInteger c = new AtomicInteger(0);
    final AtomicBoolean failed = new AtomicBoolean(false);
    Collection<Thread> threads = new HashSet<>();
    for (int i = 0; i < numThreads; i++) {

        Thread k = new Thread(new Runnable() {
            @Override
            public void run() {
                try {
                    for (int j = 0; j < numsignupsperthread; j++) {
                        MockHttpServletRequest req;
                        Thread.sleep(random.nextInt(50));
                        req = new MockHttpServletRequest("POST", "/signup.html");
                        String uname = RandomStringUtils.randomAlphabetic(10);
                        // log.info( "Signingup: " + uname + " (" + c.get() + ")" );

                        String password = RandomStringUtils.randomAlphabetic(40);
                        req.addParameter("password", password);

                        req.addParameter("passwordConfirm", password);
                        req.addParameter("username", uname);
                        String email = "foo@" + RandomStringUtils.randomAlphabetic(10) + ".edu";
                        req.addParameter("email", email);

                        req.addParameter("emailConfirm", email);
                        suc.signup(req, new MockHttpServletResponse());

                        /*
                         * Extra torture.
                         */
                        ExpressionExperiment ee = ExpressionExperiment.Factory.newInstance();
                        ee.setDescription("From test");
                        ee.setName(RandomStringUtils.randomAlphabetic(20));
                        ee.setShortName(RandomStringUtils.randomAlphabetic(20));
                        // log.info( "Making experiment" + ee.getName() );
                        expressionExperimentService.create(ee);

                        c.incrementAndGet();

                    }
                } catch (Exception e) {
                    failed.set(true);
                    log.error("!!!!!!!!!!!!!!!!!!!!!! FAILED: " + e.getMessage());
                    log.debug(e, e);
                    throw new RuntimeException(e);
                }
                log.debug("Thread done.");
            }
        });
        threads.add(k);

        k.start();
    }

    int waits = 0;
    int maxWaits = 20;
    int expectedEventCount = numThreads * numsignupsperthread;
    while (c.get() < expectedEventCount && !failed.get()) {
        Thread.sleep(3000);
        log.info("Waiting ... C=" + +c.get());
        if (++waits > maxWaits) {
            for (Thread t : threads) {
                if (t.isAlive())
                    t.interrupt();
            }
            fail("Multithreaded failure: timed out.");
        }
    }

    log.debug(" &&&&& DONE &&&&&");

    for (Thread thread : threads) {
        if (thread.isAlive())
            thread.interrupt();
    }

    if (failed.get() || c.get() != expectedEventCount) {
        fail("Multithreaded loading failure: check logs for failure to recover from deadlock?");
    } else {
        log.info("TORTURE TEST PASSED!");
    }
}

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From source file:org.codelibs.fess.servlet.Tomcat6ConfigServlet.java

private void waitThread(final Thread thread) {
    int count = 0;
    while (thread.isAlive() && count < 5) {
        try {/*from   w  w w . j a v a  2  s.c  om*/
            Thread.sleep(100);
        } catch (final InterruptedException e) {
        }
        count++;
    }
}

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From source file:ubc.pavlab.aspiredb.server.controller.SignupControllerTest.java

@Test
public void testSignup() throws Exception {

    int numThreads = 10; // too high and we run out of connections, which is not what we're testing.
    final int numsignupsperthread = 10;
    final Random random = new Random();
    final AtomicInteger c = new AtomicInteger(0);
    final AtomicBoolean failed = new AtomicBoolean(false);
    Collection<Thread> threads = new HashSet<Thread>();
    final Collection<String> unames = Collections.synchronizedList(new ArrayList<String>());

    for (int i = 0; i < numThreads; i++) {

        Thread k = new Thread(new Runnable() {
            @Override/*from www  . j  av  a  2  s  .  com*/
            public void run() {
                try {
                    for (int j = 0; j < numsignupsperthread; j++) {
                        MockHttpServletRequest req = null;
                        Thread.sleep(random.nextInt(50));
                        req = new MockHttpServletRequest("POST", "/signup.html");
                        final String uname = RandomStringUtils.randomAlphabetic(10);

                        synchronized (unames) {
                            unames.add(uname);
                        }

                        // log.info( "Signingup: " + uname + " (" + c.get() + ")" );

                        String password = RandomStringUtils.randomAlphabetic(40);
                        req.addParameter("password", password);

                        req.addParameter("passwordConfirm", password);
                        req.addParameter("username", uname);
                        String email = "foo@" + RandomStringUtils.randomAlphabetic(10) + ".edu";
                        req.addParameter("email", email);
                        suc.signup(req, new MockHttpServletResponse());

                        // Cleanup
                        // userService.delete( userService.findByUserName( uname ) );

                        c.incrementAndGet();

                    }
                } catch (Exception e) {
                    failed.set(true);
                    log.error("!!!!!!!!!!!!!!!!!!!!!! FAILED: " + e.getMessage());
                    log.debug(e, e);
                    throw new RuntimeException(e);
                }
                log.debug("Thread done.");
            }
        });
        threads.add(k);

        k.start();
    }

    int waits = 0;
    int maxWaits = 30;
    int expectedEventCount = numThreads * numsignupsperthread;
    while (c.get() < expectedEventCount && !failed.get()) {
        try {
            Thread.sleep(8000);
        } catch (InterruptedException e) {
            e.printStackTrace();
        }
        log.info("Waiting ... C=" + +c.get());
        if (++waits > maxWaits) {
            for (Thread t : threads) {
                if (t.isAlive())
                    t.interrupt();
            }
            fail("Multithreaded failure: timed out.");
        }
    }

    // cleanup
    for (String uname : unames) {
        userService.delete(userService.findByUserName(uname));
    }

    log.debug(" &&&&& DONE &&&&&");

    for (Thread thread : threads) {
        if (thread.isAlive())
            thread.interrupt();
    }

    if (failed.get() || c.get() != expectedEventCount) {
        fail("Multithreaded loading failure: check logs for failure to recover from deadlock?");
    } else {
        log.info("TORTURE TEST PASSED!");
    }

}

---

From source file:com.wavemaker.runtime.server.ServiceResponse.java

private void cleanup() {
    for (Map.Entry<String, Thread> entry : this.threads.entrySet()) {
        String requestId = entry.getKey();
        Thread thread = entry.getValue();
        if (!thread.isAlive()) {
            Tuple.Two<Long, JSONObject> t = this.serviceResponseTable.get(requestId);
            if (t != null) {
                long time = t.v1;
                if (System.currentTimeMillis() - time > (this.connectionTimeout - 3) * 1000 * 2) {
                    log.debug("ServiceResponse: Cleanup: Remvoving: " + requestId + " " + thread.getId()
                            + " ---");
                    this.serviceResponseTable.remove(requestId);
                    this.threads.remove(requestId);
                }/* ww w  .  j  a  va 2  s.  c  o m*/
            }
        }
    }
}

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From source file:io.cloudslang.worker.management.services.InBufferTest.java

@Test(timeout = 5000)
public void testRunBeforeCtxClosedEvent() throws Exception {
    ContextRefreshedEvent refreshEvent = mock(ContextRefreshedEvent.class);
    inBuffer.onApplicationEvent(refreshEvent);

    ContextClosedEvent event = mock(ContextClosedEvent.class);
    when(workerManager.isUp()).thenReturn(true);
    Thread thread = new Thread(inBuffer);
    thread.start();//from  ww  w .j a va 2  s  .com

    verify(workerManager, timeout(1000).atLeastOnce()).getInBufferSize();

    inBuffer.onApplicationEvent(event);
    while (thread.isAlive()) {
        Thread.sleep(100L);
    }
}

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From source file:com.github.rnewson.couchdb.lucene.LuceneServlet.java

private synchronized DatabaseIndexer getIndexer(final Database database) throws IOException, JSONException {
    DatabaseIndexer result = indexers.get(database);
    Thread thread = threads.get(database);
    if (result == null || thread == null || !thread.isAlive()) {
        result = new DatabaseIndexer(client, root, database, ini);
        thread = new Thread(result);
        thread.start();/*  w w w. j a v a  2 s  .c o m*/
        result.awaitInitialization();
        if (result.isClosed()) {
            return null;
        } else {
            indexers.put(database, result);
            threads.put(database, thread);
        }
    }

    return result;
}

---

From source file:org.intermine.web.logic.session.SessionMethods.java

/**
 * Executes an action and call a callback when it completes successfully. If the
 * query fails for some reason, this method returns false and ActionErrors are set on the
 * request./* ww w. java 2 s.co  m*/
 *
 * @param session   the http session
 * @param resources message resources
 * @param qid       the query id
 * @param action    the action/query to perform in a new thread
 * @param completionCallBack sets the method to call when the action successfully completes
 * @return  true if query ran successfully, false if an error occured
 * @throws  Exception if getting results info from paged results fails
 */
public static boolean runQuery(final HttpSession session, final MessageResources resources, final String qid,
        final Action action, final CompletionCallBack completionCallBack) throws Exception {
    final InterMineAPI im = getInterMineAPI(session);
    final ObjectStore os = im.getObjectStore();

    final ObjectStoreInterMineImpl ios;
    if (os instanceof ObjectStoreInterMineImpl) {
        ios = (ObjectStoreInterMineImpl) os;
    } else {
        ios = null;
    }
    Map<String, QueryMonitor> queries = getRunningQueries(session);
    QueryMonitor monitor = queries.get(qid);
    // A reference to this runnable is used as a token for registering
    // a cancelling the running query

    RunQueryThread runnable = new RunQueryThread() {
        @Override
        public void run() {
            try {

                // Register request id for query on this thread
                // We do this before setting r
                if (ios != null) {
                    LOG.debug("Registering request id " + this);
                    ios.registerRequestId(this);
                }

                // call this so that if an exception occurs we notice now rather than in the
                // JSP code
                try {
                    action.process();
                } catch (IndexOutOfBoundsException err) {
                    // no results - ignore
                    // we don't call size() first to avoid this exception because that could be
                    // very slow on a large results set
                } catch (RuntimeException e) {
                    if (e.getCause() instanceof ObjectStoreException) {
                        throw (ObjectStoreException) e.getCause();
                    }
                    throw e;
                }
            } catch (ObjectStoreException e) {
                // put stack trace in the log
                LOG.error("Exception", e);

                String key = (e instanceof ObjectStoreQueryDurationException)
                        ? "errors.query.estimatetimetoolong"
                        : "errors.query.objectstoreerror";
                recordError(resources.getMessage(key), session);

                error = true;
            } catch (Throwable err) {
                StringWriter sw = new StringWriter();
                err.printStackTrace(new PrintWriter(sw));
                recordError(sw.toString(), session);
                LOG.error("Exception", err);
                error = true;
            } finally {
                try {
                    LOG.debug("Deregistering request id " + this);
                    ((ObjectStoreInterMineImpl) os).deregisterRequestId(this);
                } catch (ObjectStoreException e1) {
                    LOG.error("Exception", e1);
                    error = true;
                }
            }
        }
    };
    Thread thread = null;
    thread = new Thread(runnable);
    thread.start();

    while (thread.isAlive()) {
        Thread.sleep(1000);
        if (monitor != null) {
            boolean cancelled = monitor.shouldCancelQuery();
            if (cancelled && ios != null) {
                LOG.debug("Cancelling request " + runnable);
                ios.cancelRequest(runnable);
                monitor.queryCancelled();
                return false;
            }
        }
    }

    if (runnable.isError()) {
        if (monitor != null) {
            monitor.queryCancelledWithError();
        }
        return false;
    }

    if (completionCallBack != null) {
        completionCallBack.complete();
    }

    if (monitor != null) {
        monitor.queryCompleted();
    }

    return true;
}

---

From source file:ThreadViewer.java

private void createPendingCellData() {
    Thread[] thread = findAllThreads();
    Object[][] cell = new Object[thread.length][columnCount];

    for (int i = 0; i < thread.length; i++) {
        Thread t = thread[i];
        Object[] rowCell = cell[i];

        rowCell[0] = new Integer(t.getPriority());
        rowCell[1] = new Boolean(t.isAlive());
        rowCell[2] = new Boolean(t.isDaemon());
        rowCell[3] = new Boolean(t.isInterrupted());
        rowCell[4] = t.getThreadGroup().getName();
        rowCell[5] = t.getName();//from  www . j a  v  a 2s  .co  m
    }

    synchronized (dataLock) {
        pendingCellData = cell;
    }
}

---

From source file:com.wavemaker.runtime.server.ServiceResponse.java

public Object getResponseFromService() {

    JSONObject result = this.getResponseBeforeTimeout();
    String status = (String) result.get("status");
    if (status.equals("processing")) {
        Thread originalThread = this.getRequestThread();
        if (originalThread == null || !originalThread.isAlive()) {
            result = this.getResponseTryOnce();
            status = (String) result.get("status");
            if (status.equals("processing")) {
                if (originalThread == null) {
                    throw new WMRuntimeException("Error: The original request thread is lost");
                } else {
                    throw new WMRuntimeException("Error: The original request thread has been terminated");
                }/*from   www.  ja  v  a2  s. c o m*/
            }
        }
    }

    if (status.equals("error")) {
        throw new WMRuntimeException((Exception) result.get("result"));
    }

    setJsonResponseStatus((String) result.get("status"));
    return result.get("result");
}

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