Example usage for java.util.concurrent CountDownLatch countDown

Introduction

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

Prototype

public void countDown()

Source Link

Document

Decrements the count of the latch, releasing all waiting threads if the count reaches zero.

Usage

From source file:ninja.eivind.hotsreplayuploader.files.tempwatcher.RecursiveTempWatcherTest.java

@Test
public void testSetCallbackIsAppliedProperly() throws Exception {
    CountDownLatch latch = new CountDownLatch(1);
    tempWatcher.setCallback(file -> latch.countDown());
    TempWatcher lastChild = getChildRecursively(tempWatcher);
    Consumer<File> callback = lastChild.getCallback();

    callback.accept(null);//from   w  w w.j  a va 2s.  co m

    if (!latch.await(500, TimeUnit.MILLISECONDS)) {
        throw new TimeoutException("Latch was not tripped.");
    }
}

From source file:uk.co.sdev.undertow.rx.services.offers.OffersServiceTest.java

@Test
public void shouldReturnObservableOfOffers() throws Exception {
    OffersService service = new OffersService(mapper, client, "http://localhost:9101/offers");

    stubGet("/offers?count=2", Arrays.asList(new Offer("offer1", "description1", "offer1.jpg"),
            new Offer("offer2", "description2", "offer2.jpg")));

    List<Offer> offers = new ArrayList<>();
    List<Throwable> throwables = new ArrayList<>();

    CountDownLatch finished = new CountDownLatch(1);

    Observable<Offer> offer = service.offers(2);
    new Thread(() -> offer.subscribe(o -> offers.add(o), t -> throwables.add(t), () -> finished.countDown()))
            .start();//  w w  w.  j  a v a  2s.com

    finished.await(5, TimeUnit.SECONDS);

    assertThat(offers.size(), is(2));
    assertThat(offers.get(0).getTitle(), is("offer1"));
    assertThat(offers.get(1).getTitle(), is("offer2"));
}

From source file:com.playhaven.android.diagnostic.test.PHTestCase.java

public void markReadyForTesting(Object toTest) {
    String name = toTest.getClass().getSimpleName();
    CountDownLatch latch = latches.get(name);
    if (latch != null) {
        latch.countDown();
        latches.put(name, latch);//from   w  w  w .j a  v  a 2  s .  c o m
    }
}

From source file:se.vgregion.pubsub.loadtesting.LoadtestingServlet.java

@Override
protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {

    // find the ID in the feed content
    BufferedReader reader = req.getReader();
    String line = reader.readLine();
    while (line != null) {
        int start = line.indexOf("uuid:");
        if (start > -1) {
            int end = line.indexOf("<", start);
            String id = line.substring(start + 5, end);
            UUID uuid = UUID.fromString(id);

            // found id, now try to count down latch
            CountDownLatch latch = publications.get(uuid);
            if (latch != null) {
                latch.countDown();

                publications.remove(id);
                return;
            } else {
                throw new RuntimeException("Could not find latch");
            }/*w w w . j  a  va 2  s . c o m*/
        }
        line = reader.readLine();
    }
}

From source file:com.smartnsoft.hackathon.directenergie.ws.NetatmoServices.java

public List<Station> getDevicesList() throws InterruptedException {

    final CountDownLatch deviceWait = new CountDownLatch(1);
    deviceWait.countDown();
    getDevicesList(new NetatmoResponseHandler(NetatmoServices.this,
            NetatmoResponseHandler.REQUEST_GET_DEVICES_LIST, null) {
        @Override//from w  w w  . java  2  s  .  c om
        public void onGetDevicesListResponse(final List<Station> devices) {
            devicesList = devices;
            try {
                deviceWait.await();
            } catch (InterruptedException e) {
                e.printStackTrace();
            }

        }
    });

    return devicesList;
    //    synchronized (devicesList)
    //    {
    //      getDevicesList(new NetatmoResponseHandler(NetatmoServices.this, NetatmoResponseHandler.REQUEST_GET_DEVICES_LIST, null)
    //      {
    //        @Override
    //        public void onGetDevicesListResponse(final List<Station> devices)
    //        {
    //          devicesList = devices;
    //        }
    //      });
    //      return devicesList;
    //    }
}

From source file:ch.cyberduck.core.io.ThreadedStreamCloser.java

@Override
public void close(final InputStream in) throws ConnectionTimeoutException {
    final CountDownLatch signal = new CountDownLatch(1);
    threadFactory.newThread(new Runnable() {
        @Override/*  w ww  .j ava 2s. c  om*/
        public void run() {
            IOUtils.closeQuietly(in);
            signal.countDown();
        }
    }).start();
    try {
        if (!signal.await(preferences.getInteger("connection.timeout.seconds"), TimeUnit.SECONDS)) {
            throw new StreamCloseTimeoutException("Timeout closing input stream", null);
        }
    } catch (InterruptedException e) {
        throw new ConnectionTimeoutException(e.getMessage(), e);
    }
}

From source file:ch.cyberduck.core.io.ThreadedStreamCloser.java

@Override
public void close(final OutputStream out) throws ConnectionTimeoutException {
    final CountDownLatch signal = new CountDownLatch(1);
    threadFactory.newThread(new Runnable() {
        @Override/*from   w  w  w .  j a  v a2 s  . co  m*/
        public void run() {
            IOUtils.closeQuietly(out);
            signal.countDown();
        }
    }).start();
    try {
        if (!signal.await(preferences.getInteger("connection.timeout.seconds"), TimeUnit.SECONDS)) {
            throw new StreamCloseTimeoutException("Timeout closing output stream", null);
        }
    } catch (InterruptedException e) {
        throw new ConnectionTimeoutException(e.getMessage(), e);
    }
}

From source file:org.springframework.cloud.stream.FluxTest.java

@Test
public void testSimpleSubscriber() throws Exception {
    final CountDownLatch latch = new CountDownLatch(10);
    emitter.subscribe(s -> {//  ww w  . j  ava  2  s.  c o m
        System.out.println(s);
        latch.countDown();
    });
    latch.await();
}

From source file:com.ericsson.gerrit.plugins.highavailability.cache.CacheEvictionIT.java

@Test
@UseLocalDisk/*  www .ja  v a 2 s  .c o  m*/
@GlobalPluginConfig(pluginName = "high-availability", name = "peerInfo.static.url", value = URL)
@GlobalPluginConfig(pluginName = "high-availability", name = "http.retryInterval", value = "100")
public void flushAndSendPost() throws Exception {
    final String flushRequest = "/plugins/high-availability/cache/" + Constants.PROJECTS;
    final CountDownLatch expectedRequestLatch = new CountDownLatch(1);
    wireMockRule.addMockServiceRequestListener((request, response) -> {
        if (request.getAbsoluteUrl().contains(flushRequest)) {
            expectedRequestLatch.countDown();
        }
    });

    adminSshSession.exec("gerrit flush-caches --cache " + Constants.PROJECTS);
    assertThat(expectedRequestLatch.await(5, TimeUnit.SECONDS)).isTrue();
    verify(postRequestedFor(urlEqualTo(flushRequest)));
}

From source file:com.ericsson.gerrit.plugins.highavailability.cache.ProjectListIT.java

@Test
@UseLocalDisk/*from  w w w  . ja v  a2s .  c om*/
@GlobalPluginConfig(pluginName = "high-availability", name = "peerInfo.static.url", value = URL)
@GlobalPluginConfig(pluginName = "high-availability", name = "http.retryInterval", value = "100")
public void addToProjectListAreForwarded() throws Exception {
    String createdProjectEncoded = Url.encode("org-a/some-project");
    String expectedRequest = "/plugins/high-availability/cache/" + Constants.PROJECT_LIST + "/"
            + createdProjectEncoded;
    CountDownLatch expectedRequestLatch = new CountDownLatch(1);
    wireMockRule.addMockServiceRequestListener((request, response) -> {
        if (request.getAbsoluteUrl().contains(expectedRequest)) {
            expectedRequestLatch.countDown();
        }
    });

    adminRestSession.put("/projects/" + createdProjectEncoded).assertCreated();
    assertThat(expectedRequestLatch.await(5, TimeUnit.SECONDS)).isTrue();
    verify(postRequestedFor(urlEqualTo(expectedRequest)));
}