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.netflix.curator.framework.imps.TestFailedDeleteManager.java

@Test
public void testWithNamespaceAndLostSession() throws Exception {
    Timing timing = new Timing();
    CuratorFramework client = CuratorFrameworkFactory.builder().connectString(server.getConnectString())
            .sessionTimeoutMs(timing.session()).connectionTimeoutMs(timing.connection())
            .retryPolicy(new ExponentialBackoffRetry(100, 3)).namespace("aisa").build();
    try {/*from  ww  w .j  a  va2s.c  om*/
        client.start();

        client.create().forPath("/test-me");

        final CountDownLatch latch = new CountDownLatch(1);
        final Semaphore semaphore = new Semaphore(0);
        ConnectionStateListener listener = new ConnectionStateListener() {
            @Override
            public void stateChanged(CuratorFramework client, ConnectionState newState) {
                if ((newState == ConnectionState.LOST) || (newState == ConnectionState.SUSPENDED)) {
                    semaphore.release();
                } else if (newState == ConnectionState.RECONNECTED) {
                    latch.countDown();
                }
            }
        };
        client.getConnectionStateListenable().addListener(listener);
        server.stop();

        Assert.assertTrue(timing.acquireSemaphore(semaphore));
        try {
            client.delete().guaranteed().forPath("/test-me");
            Assert.fail();
        } catch (KeeperException.ConnectionLossException e) {
            // expected
        }
        Assert.assertTrue(timing.acquireSemaphore(semaphore));

        timing.sleepABit();

        server = new TestingServer(server.getPort(), server.getTempDirectory());
        Assert.assertTrue(timing.awaitLatch(latch));

        timing.sleepABit();

        Assert.assertNull(client.checkExists().forPath("/test-me"));
    } finally {
        IOUtils.closeQuietly(client);
    }
}

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From source file:com.kurento.kmf.media.HttpGetEndpointAsyncTest.java

/**
 * Test for {@link MediaSessionStartedEvent}
 * //from   ww  w. j a  v a 2 s  . c om
 * @throws InterruptedException
 */
@Test
public void testEventMediaSessionStarted() throws InterruptedException {

    final PlayerEndpoint player = pipeline.newPlayerEndpoint(URL_SMALL).build();
    player.connect(httpEp);

    final CountDownLatch eosLatch = new CountDownLatch(1);
    player.addEndOfStreamListener(new MediaEventListener<EndOfStreamEvent>() {

        @Override
        public void onEvent(EndOfStreamEvent event) {
            eosLatch.countDown();
        }
    });

    final BlockingQueue<ListenerRegistration> events = new ArrayBlockingQueue<ListenerRegistration>(1);
    httpEp.addMediaSessionStartedListener(new MediaEventListener<MediaSessionStartedEvent>() {

        @Override
        public void onEvent(MediaSessionStartedEvent event) {
            player.play();
        }
    }, new Continuation<ListenerRegistration>() {

        @Override
        public void onSuccess(ListenerRegistration result) {
            events.add(result);
        }

        @Override
        public void onError(Throwable cause) {
            throw new KurentoMediaFrameworkException(cause);
        }
    });

    ListenerRegistration reg = events.poll(500, MILLISECONDS);
    Assert.assertNotNull(reg);

    DefaultHttpClient httpclient = new DefaultHttpClient();
    try {
        // This should trigger MediaSessionStartedEvent
        httpclient.execute(new HttpGet(httpEp.getUrl()));
    } catch (ClientProtocolException e) {
        throw new KurentoMediaFrameworkException(e);
    } catch (IOException e) {
        throw new KurentoMediaFrameworkException(e);
    }

    try {
        eosLatch.await(500, MILLISECONDS);
    } catch (InterruptedException e) {
        player.release();
        throw new KurentoMediaFrameworkException(e);
    }

}

---

From source file:com.ottogroup.bi.streaming.runtime.StreamingAppRuntimeTest.java

/**
 * Test case for {@link StreamingAppRuntime#parseCommandLine(String[])} being
 * provided null as input//from   w w  w . j a  v  a2  s  .co m
 */
@Test
public void testParseCommandLine_withNullInput() throws Exception {
    final CommandLine cl = new DummyLogProcessingRuntime(new CountDownLatch(1)).parseCommandLine(null);
    Assert.assertNotNull(cl);
    Assert.assertFalse(cl.hasOption(StreamingAppRuntime.CLI_CONFIG_FILE));
}

---

From source file:com.couchbase.lite.syncgateway.GzippedAttachmentTest.java

/**
 * https://github.com/couchbase/couchbase-lite-android/issues/197
 * Gzipped attachment support with Replicator does not seem to be working
 * <p/>/*from   w  ww.j  a  v  a 2 s.  c  o  m*/
 * https://github.com/couchbase/couchbase-lite-android/blob/master/src/androidTest/java/com/couchbase/lite/replicator/ReplicationTest.java#L2071
 */
public void testGzippedAttachment() throws Exception {
    if (!syncgatewayTestsEnabled()) {
        return;
    }

    Database pushDB = manager.getDatabase("pushdb");
    Database pullDB = manager.getDatabase("pulldb");

    String attachmentName = "attachment.png";

    // 1. store attachment with doc
    // 1.a load attachment data from asset
    InputStream attachmentStream = getAsset(attachmentName);
    java.io.ByteArrayOutputStream baos = new java.io.ByteArrayOutputStream();
    IOUtils.copy(attachmentStream, baos);
    baos.close();
    attachmentStream.close();
    byte[] bytes = baos.toByteArray();

    // 1.b apply GZIP + Base64
    String attachmentBase64 = Base64.encodeBytes(bytes, Base64.GZIP);

    // 1.c attachment Map object
    Map<String, Object> attachmentMap = new HashMap<String, Object>();
    attachmentMap.put("content_type", "image/png");
    attachmentMap.put("data", attachmentBase64);
    attachmentMap.put("encoding", "gzip");
    attachmentMap.put("length", bytes.length);

    // 1.d attachments Map object
    Map<String, Object> attachmentsMap = new HashMap<String, Object>();
    attachmentsMap.put(attachmentName, attachmentMap);

    // 1.e document property Map object
    Map<String, Object> propsMap = new HashMap<String, Object>();
    propsMap.put("_attachments", attachmentsMap);

    // 1.f store document into database
    Document putDoc = pushDB.createDocument();
    putDoc.putProperties(propsMap);
    String docId = putDoc.getId();

    URL remote = getReplicationURL();

    // push
    final CountDownLatch latch1 = new CountDownLatch(1);
    Replication pusher = pushDB.createPushReplication(remote);
    pusher.addChangeListener(new Replication.ChangeListener() {
        @Override
        public void changed(Replication.ChangeEvent event) {
            Log.e(TAG, "push 1:" + event.toString());
            if (event.getCompletedChangeCount() > 0) {
                latch1.countDown();
            }
        }
    });
    runReplication(pusher);
    assertTrue(latch1.await(30, TimeUnit.SECONDS));

    // pull
    Replication puller = pullDB.createPullReplication(remote);
    final CountDownLatch latch2 = new CountDownLatch(1);
    puller.addChangeListener(new Replication.ChangeListener() {
        @Override
        public void changed(Replication.ChangeEvent event) {
            Log.e(TAG, "pull 1:" + event.toString());
            if (event.getCompletedChangeCount() > 0) {
                latch2.countDown();
            }
        }
    });
    runReplication(puller);
    assertTrue(latch2.await(30, TimeUnit.SECONDS));

    Log.e(TAG, "Fetching doc1 via id: " + docId);
    Document pullDoc = pullDB.getDocument(docId);
    assertNotNull(pullDoc);
    assertTrue(pullDoc.getCurrentRevisionId().startsWith("1-"));
    Attachment attachment = pullDoc.getCurrentRevision().getAttachment(attachmentName);

    assertEquals(bytes.length, attachment.getLength());
    assertEquals("image/png", attachment.getContentType());
    assertEquals("gzip", attachment.getMetadata().get("encoding"));

    InputStream is = attachment.getContent();
    byte[] receivedBytes = getBytesFromInputStream(is);
    assertEquals(bytes.length, receivedBytes.length);
    is.close();

    assertTrue(Arrays.equals(bytes, receivedBytes));

    pushDB.close();
    pullDB.close();

    pushDB.delete();
    pullDB.delete();
}

---

From source file:com.bt.aloha.batchtest.scenarios.TwoCallsSharingCallLegScenario.java

@Override
protected void startScenario(String scenarioId) throws Exception {
    updateScenario(scenarioId, SCENARIO_STARTED);

    String firstDialogId = outboundCallLegBean.createCallLeg(getFromAddressUri(), getTestEndpointUri());
    String secondDialogId = outboundCallLegBean.createCallLeg(getFromAddressUri(), getTestEndpointUri());

    latchMap.put(scenarioId, new CountDownLatch(1));
    String callId = callBean.joinCallLegs(firstDialogId, secondDialogId, AutoTerminateAction.True);
    callScenarioMap.put(callId, new ScenarioData(scenarioId, callId));
    latchMap.get(scenarioId).countDown();
    updateScenario(scenarioId, "1st call initiated: " + callId);
}

---

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

private HttpOperation createHttpOperation() {
    View view = new View("a", "b", "c", true, true);
    final CountDownLatch couchLatch = new CountDownLatch(1);
    final HttpFuture<ViewResponse> crv = new HttpFuture<ViewResponse>(couchLatch, 60000);
    final HttpRequest request = new BasicHttpRequest("GET", "/pools", HttpVersion.HTTP_1_1);
    return new NoDocsOperationImpl(request, view, new ViewOperation.ViewCallback() {
        private ViewResponse vr = null;

        @Override/*from  w  w  w  . ja  va 2s  . c o  m*/
        public void receivedStatus(OperationStatus status) {
            crv.set(vr, status);
        }

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

        @Override
        public void gotData(ViewResponse response) {
            vr = response;
        }
    });
}

---

From source file:io.fabric8.agent.DownloadManagerTest.java

@Test
public void testDownloadUsingNonAuthenticatedProxy() throws Exception {
    Server server = new Server(0);
    server.setHandler(new AbstractHandler() {
        @Override//from   ww  w  .  j  av  a  2 s . com
        public void handle(String target, Request baseRequest, HttpServletRequest request,
                HttpServletResponse response) throws IOException, ServletException {
            response.setStatus(HttpServletResponse.SC_OK);
            baseRequest.setHandled(true);
            response.getOutputStream().write(new byte[] { 0x42 });
            response.getOutputStream().close();
        }
    });
    server.start();

    Properties custom = new Properties();
    custom.setProperty("org.ops4j.pax.url.mvn.proxySupport", "true");
    String settings = createMavenSettingsWithProxy(server.getConnectors()[0].getLocalPort());
    DownloadManager dm = createDownloadManager("http://relevant.not/maven2@id=central", settings, custom);

    try {
        final CountDownLatch latch = new CountDownLatch(1);
        DownloadFuture df = dm.download("mvn:x.y/z/1.0");
        df.addListener(new FutureListener<DownloadFuture>() {
            @Override
            public void operationComplete(DownloadFuture future) {
                latch.countDown();
            }
        });

        latch.await(30, TimeUnit.SECONDS);
        assertNotNull(df.getUrl());
        assertNotNull(df.getFile());
        assertEquals("z-1.0.jar", df.getFile().getName());
        LOG.info("Downloaded URL={}, FILE={}", df.getUrl(), df.getFile());
    } finally {
        server.stop();
    }
}

---

From source file:siia.booking.integration.FlightNotificationsSpelTest.java

@Test
public void notificationShouldArriveAtSmsAdapter() throws Exception {
    TripNotification notification = mock(TripNotification.class);
    Message tripNotificationMessage = MessageBuilder.withPayload(notification).build();
    CountDownLatch notifierInvoked = new CountDownLatch(1);
    doAnswer(countsDownLatch(notifierInvoked)).when(smsNotifier).notify(notification);
    tripNotifications.send(tripNotificationMessage);
    notifierInvoked.await(100, MILLISECONDS);
    verify(smsNotifier).notify(notification);
}

---

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

private void deleteAndCheck() throws Exception {
    removeFolder();//from   w w w  . jav a2s.  c om
    final CountDownLatch cdl = new CountDownLatch(1);
    Futures.addCallback(Me.getFolders().getAsync(folder.getId()), new FutureCallback<IFolder>() {
        @Override
        public void onFailure(Throwable t) {
            reportError(t);
            cdl.countDown();
        }

        @Override
        public void onSuccess(IFolder result) {
            try {
                assertNull(result);
            } catch (Throwable t) {
                reportError(t);
            }

            cdl.countDown();
        }
    });
    cdl.await();
}

---

From source file:example.springdata.cassandra.basic.CassandraOperationsIntegrationTests.java

/**
 * Asynchronous query execution using callbacks.
 *///from w  w w. j av  a2 s.co m
@Test
public void insertAsynchronously() throws InterruptedException {

    User user = new User();
    user.setId(42L);
    user.setUsername("heisenberg");
    user.setFirstname("Walter");
    user.setLastname("White");

    final CountDownLatch countDownLatch = new CountDownLatch(1);

    template.insertAsynchronously(user, new WriteListener<User>() {

        @Override
        public void onWriteComplete(Collection<User> entities) {
            countDownLatch.countDown();
        }

        @Override
        public void onException(Exception x) {
        }
    });

    countDownLatch.await(5, TimeUnit.SECONDS);

    User loaded = template.selectOneById(User.class, user.getId());
    assertThat(loaded, is(equalTo(user)));
}

---

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