Example usage for java.util.concurrent CountDownLatch CountDownLatch

Introduction

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

Prototype

public CountDownLatch(int count) 

Source Link

Document

Constructs a CountDownLatch initialized with the given count.

Usage

From source file:com.watchrabbit.executor.spring.AnnotationDiscoverTest.java

@Test
public void shouldNotClose() throws Exception {
    CountDownLatch latch = new CountDownLatch(1);
    try {// w  w w .j av  a  2s.co m
        annotatedService.excludedSystemException(() -> {
            throw new SystemException();
        });
        failBecauseExceptionWasNotThrown(SystemException.class);
    } catch (SystemException ex) {
    }
    annotatedService.excludedSystemException(() -> {
        latch.countDown();
        return null;
    });

    assertThat(latch.getCount()).isEqualTo(0);
}

---

From source file:com.couchbase.client.TestingClient.java

public HttpFuture<String> asyncHttpDelete(String uri) throws UnsupportedEncodingException {
    final CountDownLatch couchLatch = new CountDownLatch(1);
    final HttpFuture<String> crv = new HttpFuture<String>(couchLatch, operationTimeout);

    HttpRequest request = new BasicHttpRequest("DELETE", uri, HttpVersion.HTTP_1_1);
    HttpOperationImpl op = new TestOperationImpl(request, new TestCallback() {
        private String json;

        @Override//from ww w.j av  a 2 s  .  com
        public void receivedStatus(OperationStatus status) {
            crv.set(json, status);
        }

        @Override
        public void complete() {
            couchLatch.countDown();
        }

        @Override
        public void getData(String response) {
            json = response;
        }
    });
    crv.setOperation(op);
    addOp(op);
    return crv;
}

---

From source file:com.networknt.client.oauth.OauthHelper.java

/**
 * Get an access token from the token service. A Result of TokenResponse will be returned if the invocation is successfully.
 * Otherwise, a Result of Status will be returned.
 *
 * @param tokenRequest token request constructed from the client.yml token section.
 * @param envTag the environment tag from the server.yml for service lookup.
 * @return Result of TokenResponse or error Status.
 *//*from w  w w  .j  a v  a 2  s.co m*/
public static Result<TokenResponse> getTokenResult(TokenRequest tokenRequest, String envTag) {
    final AtomicReference<Result<TokenResponse>> reference = new AtomicReference<>();
    final Http2Client client = Http2Client.getInstance();
    final CountDownLatch latch = new CountDownLatch(1);
    final ClientConnection connection;
    try {
        if (tokenRequest.getServerUrl() != null) {
            connection = client.connect(new URI(tokenRequest.getServerUrl()), Http2Client.WORKER,
                    Http2Client.SSL, Http2Client.BUFFER_POOL,
                    tokenRequest.enableHttp2 ? OptionMap.create(UndertowOptions.ENABLE_HTTP2, true)
                            : OptionMap.EMPTY)
                    .get();
        } else if (tokenRequest.getServiceId() != null) {
            Cluster cluster = SingletonServiceFactory.getBean(Cluster.class);
            String url = cluster.serviceToUrl("https", tokenRequest.getServiceId(), envTag, null);
            connection = client
                    .connect(new URI(url), Http2Client.WORKER, Http2Client.SSL, Http2Client.BUFFER_POOL,
                            tokenRequest.enableHttp2 ? OptionMap.create(UndertowOptions.ENABLE_HTTP2, true)
                                    : OptionMap.EMPTY)
                    .get();
        } else {
            // both server_url and serviceId are empty in the config.
            logger.error("Error: both server_url and serviceId are not configured in client.yml for "
                    + tokenRequest.getClass());
            throw new ClientException("both server_url and serviceId are not configured in client.yml for "
                    + tokenRequest.getClass());
        }
    } catch (Exception e) {
        logger.error("cannot establish connection:", e);
        return Failure.of(new Status(ESTABLISH_CONNECTION_ERROR,
                tokenRequest.getServerUrl() != null ? tokenRequest.getServerUrl()
                        : tokenRequest.getServiceId()));
    }

    try {
        IClientRequestComposable requestComposer = ClientRequestComposerProvider.getInstance().getComposer(
                ClientRequestComposerProvider.ClientRequestComposers.CLIENT_CREDENTIAL_REQUEST_COMPOSER);

        connection.getIoThread()
                .execute(new TokenRequestAction(tokenRequest, requestComposer, connection, reference, latch));

        latch.await(4, TimeUnit.SECONDS);
    } catch (Exception e) {
        logger.error("IOException: ", e);
        return Failure.of(new Status(FAIL_TO_SEND_REQUEST));
    } finally {
        IoUtils.safeClose(connection);
    }

    //if reference.get() is null at this point, mostly likely couldn't get token within latch.await() timeout.
    return reference.get() == null ? Failure.of(new Status(GET_TOKEN_TIMEOUT)) : reference.get();
}

---

From source file:com.microsoft.office.core.AttachmentsAsyncTestCase.java

@Test(timeout = 60000)
public void deleteFileAttachmentTest() throws Exception {
    counter = new CountDownLatch(1);
    final IFileAttachment attachment = createFileAttachment();
    Futures.addCallback(Me.flushAsync(), new FutureCallback<Void>() {
        @Override/*w ww .ja  va 2  s .c om*/
        public void onFailure(Throwable err) {
            reportError(err);
            counter.countDown();
        }

        @Override
        public void onSuccess(Void arg0) {
            try {
                removeAttachment(attachment);
                checkDeleted(attachment);
            } catch (Exception e) {
                reportError(e);
            }

            counter.countDown();
        }
    });

    counter.await();
}

---

From source file:org.apache.servicemix.jbi.cluster.engine.ClusterEndpointLoadTest.java

public void testLoadInOut() throws Exception {
    createRoute(Transacted.Jms, true, false, false);

    final int nbThreads = 10;
    final int nbExchanges = 10;
    final ReadWriteLock lock = new ReentrantReadWriteLock();
    final CountDownLatch latch = new CountDownLatch(nbThreads);
    lock.writeLock().lock();/*  w ww . j  a  v  a2  s.co  m*/
    for (int i = 0; i < nbThreads; i++) {
        new Thread() {
            public void run() {
                Channel client = null;
                try {
                    client = nmr1.createChannel();
                    lock.readLock().lock();
                    for (int i = 0; i < nbExchanges; i++) {
                        Exchange exchange = client.createExchange(Pattern.InOut);
                        exchange.getIn().setBody(new StringSource("<hello/>"));
                        exchange.setTarget(nmr1.getEndpointRegistry()
                                .lookup(ServiceHelper.createMap(Endpoint.NAME, PROXY_ENDPOINT_NAME)));
                        client.sendSync(exchange);
                        assertEquals(Status.Active, exchange.getStatus());
                        exchange.setStatus(Status.Done);
                        client.send(exchange);
                    }
                } catch (Exception e) {
                    e.printStackTrace();
                } finally {
                    lock.readLock().unlock();
                    latch.countDown();
                    if (client != null) {
                        client.close();
                    }
                }
            }
        }.start();
    }

    cluster2.pause();
    lock.writeLock().unlock();
    Thread.sleep(0000);
    cluster2.resume();

    latch.await();

    receiver.assertExchangesReceived(nbThreads * nbExchanges * 2, TIMEOUT);
}

---

From source file:com.networknt.openapi.JwtVerifyHandlerTest.java

@Test
public void testWithRightScopeInIdToken() throws Exception {
    final Http2Client client = Http2Client.getInstance();
    final CountDownLatch latch = new CountDownLatch(1);
    final ClientConnection connection;
    try {/*from w w  w .  j  a  va 2 s.co  m*/
        connection = client.connect(new URI("http://localhost:8080"), Http2Client.WORKER, Http2Client.SSL,
                Http2Client.POOL, OptionMap.EMPTY).get();
    } catch (Exception e) {
        throw new ClientException(e);
    }
    final AtomicReference<ClientResponse> reference = new AtomicReference<>();
    try {
        ClientRequest request = new ClientRequest().setPath("/v1/pets/111").setMethod(Methods.GET);
        request.getRequestHeaders().put(Headers.AUTHORIZATION,
                "Bearer eyJraWQiOiIxMDAiLCJhbGciOiJSUzI1NiJ9.eyJpc3MiOiJ1cm46Y29tOm5ldHdvcmtudDpvYXV0aDI6djEiLCJhdWQiOiJ1cm46Y29tLm5ldHdvcmtudCIsImV4cCI6MTgwNTEzNjU1MSwianRpIjoiV0Z1VVZneE83dmxKUm5XUlllMjE1dyIsImlhdCI6MTQ4OTc3NjU1MSwibmJmIjoxNDg5Nzc2NDMxLCJ2ZXJzaW9uIjoiMS4wIiwidXNlcl9pZCI6InN0ZXZlIiwidXNlcl90eXBlIjoiRU1QTE9ZRUUiLCJjbGllbnRfaWQiOiJmN2Q0MjM0OC1jNjQ3LTRlZmItYTUyZC00YzU3ODc0MjFlNzIiLCJzY29wZSI6WyJ3cml0ZTpwZXRzIiwicmVhZDpwZXRzIl19.ZDlD_JbtHMqfx8EWOlOXI0zFGjB_pJ6yXWpxoE03o2yQnCUq1zypaDTJWSiy-BPIiQAxwDV09L3SN7RsOcgJ3y2LLFhgqIXhcHoePxoz52LPOeeiihG2kcrgBm-_VMq0uUykLrD-ljSmmSm1Hai_dx0WiYGAEJf-TiD1mgzIUTlhogYrjFKlp2NaYHxr7yjzEGefKv4DWdjtlEMmX_cXkqPgxra_omzyxeWE-n0b7f_r7Hr5HkxnmZ23gkZcvFXfVWKEp2t0_dYmNCbSVDavAjNanvmWsNThYNglFRvF0lm8kl7jkfMO1pTa0WLcBLvOO2y_jRWjieFCrc0ksbIrXA");
        connection.sendRequest(request, client.createClientCallback(reference, latch));
        latch.await();
    } catch (Exception e) {
        logger.error("Exception: ", e);
        throw new ClientException(e);
    } finally {
        IoUtils.safeClose(connection);
    }
    int statusCode = reference.get().getResponseCode();
    Assert.assertEquals(200, statusCode);
    if (statusCode == 200) {
        Assert.assertNotNull(reference.get().getAttachment(Http2Client.RESPONSE_BODY));
    }
}

---

From source file:com.magnet.mmx.server.plugin.mmxmgmt.apns.APNSConnectionPoolImplTest.java

@Test
public void testPoolWithMultipleThreads() {
    String testAppId = "multithreadTestApp";
    /**/*from   w w  w .  j a  v  a  2  s.  com*/
     * create 5 threads each sending to 100 devices
     */
    int deviceCount = 100;
    int threadCount = 5;
    Map<String, String> payload = new LinkedHashMap<String, String>(100);
    for (int i = 0; i < deviceCount; i++) {
        payload.put("device:" + (i + 1), "JSON Payload{}:" + (i + 1));
    }
    objectFactory.clearCounter();
    APNSConnectionPoolImpl pool = APNSConnectionPoolImpl.getInstance();
    //initialize the pool with connections for all apps

    //    for (int i = 0; i < appIds.length; i++) {
    //      APNSConnection conn = pool.getConnection(appIds[i], true);
    //      pool.returnConnection(conn);
    //    }

    CountDownLatch countDownLatch = new CountDownLatch(threadCount);
    Executor executor = Executors.newFixedThreadPool(threadCount, new ThreadFactory() {
        private AtomicInteger counter = new AtomicInteger(1);

        @Override
        public Thread newThread(Runnable r) {
            Thread t = new Thread(r);
            t.setName("TestThread:" + counter.getAndIncrement());
            return t;
        }
    });
    for (int i = 0; i < threadCount; i++) {
        executor.execute(new SimpleAPNSSenderThread(testAppId, true, payload, countDownLatch));
    }
    //wait for the threads to finish
    try {
        countDownLatch.await();
    } catch (InterruptedException e) {
        e.printStackTrace();
        fail(e.getMessage());
    }
    int count = objectFactory.getCreatedCount(new APNSConnectionPoolImpl.APNSConnectionKey(testAppId, true));
    assertEquals("Object got created too many times", MAX_OBJECTS_PER_KEY, count);
}

---

From source file:com.tenforce.lodms.extractors.CkanHarvester.java

public void harvest(List<String> datasetIds)
        throws RDFHandlerException, ExtractException, DatatypeConfigurationException {
    if (datasetIds.isEmpty()) {
        throw new ExtractException("no datasets specified");
    }//w ww . j a v  a 2 s.c om
    if (enableProvenance)
        addCatalogProvenance();

    MapToRdfConverter converter = new MapToRdfConverter(predicatePrefix, ignoredKeys, handler);
    ExecutorService executorService = Executors.newFixedThreadPool(5);
    CountDownLatch barrier = new CountDownLatch(datasetIds.size());
    Catalog catalog = new Catalog(baseUri, subjectPrefix);

    try {
        for (String datasetId : datasetIds) {
            executorService.execute(new DataSetHarvester(catalog, converter, handler, apiUri, datasetId,
                    barrier, warnings, httpMethod));
        }
        executorService.shutdown();
        barrier.await();
    } catch (Exception e) {
        executorService.shutdownNow();
        throw new ExtractException(e.getMessage(), e);
    }

}

---

From source file:com.blackducksoftware.integration.hub.jenkins.bom.RemoteHubEventPolling.java

/**
 * Checks the status's in the scan files and polls their URL's, every 10 seconds,
 * until they have all have status COMPLETE. We keep trying until we hit the maximum wait time.
 * If we find a scan history object that has status cancelled or an error type then we throw an exception.
 *///from w  ww. jav  a  2 s .  co  m
@Override
public void assertBomUpToDate(final HubReportGenerationInfo hubReportGenerationInfo, final IntLogger logger)
        throws InterruptedException, BDRestException, HubIntegrationException, URISyntaxException, IOException {
    if (StringUtils.isBlank(hubReportGenerationInfo.getScanStatusDirectory())) {
        throw new HubIntegrationException("The scan status directory must be a non empty value.");
    }
    final FilePath statusDirectory = new FilePath(getChannel(),
            hubReportGenerationInfo.getScanStatusDirectory());
    if (!statusDirectory.exists()) {
        throw new HubIntegrationException("The scan status directory does not exist.");
    }
    if (!statusDirectory.isDirectory()) {
        throw new HubIntegrationException("The scan status directory provided is not a directory.");
    }
    final List<FilePath> statusFiles = statusDirectory.list();
    if (statusFiles == null || statusFiles.size() == 0) {
        throw new HubIntegrationException("Can not find the scan status files in the directory provided.");
    }
    int expectedNumScans = 0;
    if (hubReportGenerationInfo.getScanTargets() != null
            && !hubReportGenerationInfo.getScanTargets().isEmpty()) {
        expectedNumScans = hubReportGenerationInfo.getScanTargets().size();
    }
    if (statusFiles.size() != expectedNumScans) {
        throw new HubIntegrationException("There were " + expectedNumScans + " scans configured and we found "
                + statusFiles.size() + " status files.");
    }
    logger.info("Checking the directory : " + statusDirectory.getRemote() + " for the scan status's.");
    final CountDownLatch lock = new CountDownLatch(expectedNumScans);
    final List<ScanStatusChecker> scanStatusList = new ArrayList<ScanStatusChecker>();
    for (final FilePath currentStatusFile : statusFiles) {
        final String fileContent = currentStatusFile.readToString();
        final Gson gson = new GsonBuilder().create();
        final ScanStatusToPoll status = gson.fromJson(fileContent, ScanStatusToPoll.class);
        if (status.get_meta() == null || status.getStatus() == null) {
            throw new HubIntegrationException("The scan status file : " + currentStatusFile.getRemote()
                    + " does not contain valid scan status json.");
        }
        final ScanStatusChecker checker = new ScanStatusChecker(getService(), status, lock);
        scanStatusList.add(checker);
    }

    logger.debug("Cleaning up the scan status files at : " + statusDirectory.getRemote());
    // We delete the files in a second loop to ensure we have all the scan status's in memory before we start
    // deleting the files. This way, if there is an exception thrown, the User can go look at the files to see what
    // went wrong.
    for (final FilePath currentStatusFile : statusFiles) {
        currentStatusFile.delete();
    }
    statusDirectory.delete();

    pollScanStatusChecker(lock, hubReportGenerationInfo, scanStatusList);
}

---

From source file:com.microsoft.windowsazure.mobileservices.zumoe2etestapp.framework.TestGroup.java

@TargetApi(Build.VERSION_CODES.HONEYCOMB)
public void runTests(List<TestCase> testsToRun, final MobileServiceClient client,
        final TestExecutionCallback callback) {

    try {//w w  w.java 2 s.  co m
        onPreExecute(client);
    } catch (Exception e) {
        mStatus = TestStatus.Failed;
        if (callback != null)
            callback.onTestGroupComplete(this, null);
        return;
    }

    final TestRunStatus testRunStatus = new TestRunStatus();

    mNewTestRun = true;

    int oldQueueSize = mTestRunQueue.size();
    mTestRunQueue.clear();
    mTestRunQueue.addAll(testsToRun);
    cleanTestsState();
    testRunStatus.results.clear();
    mStatus = TestStatus.NotRun;

    if (oldQueueSize == 0) {
        for (final TestCase test : mTestRunQueue) {

            final CountDownLatch latch = new CountDownLatch(1);

            Thread thread = new Thread() {
                public void run() {
                    executeNextTest(test, client, callback, testRunStatus, latch);
                }
            };

            thread.run();

            try {
                latch.await();
            } catch (InterruptedException e) {
                e.printStackTrace();
            }

            if (test.getStatus() == TestStatus.Failed) {
                mFailedTestCount++;
            }
        }

        // End Run
        final CountDownLatch latch = new CountDownLatch(1);

        Thread thread = new Thread() {
            public void run() {
                executeNextTest(null, client, callback, testRunStatus, latch);
            }
        };

        thread.run();

        try {
            latch.await();
        } catch (InterruptedException e) {
            e.printStackTrace();
        }
    }
}

---

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