Example usage for java.util.concurrent CountDownLatch await

Introduction

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

Prototype

public boolean await(long timeout, TimeUnit unit) throws InterruptedException 

Source Link

Document

Causes the current thread to wait until the latch has counted down to zero, unless the thread is Thread#interrupt interrupted , or the specified waiting time elapses.

Usage

From source file:dstrelec.nats.listener.DefaultNatsListenerContainer.java

@Override
public final void stop() {
    final CountDownLatch latch = new CountDownLatch(1);
    stop(new Runnable() {
        @Override/*  ww  w  . j a  v  a 2 s.c  o  m*/
        public void run() {
            latch.countDown();
        }
    });
    try {
        latch.await(this.containerProperties.getShutdownTimeout(), TimeUnit.MILLISECONDS);
    } catch (InterruptedException e) {
        //
    }
}

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From source file:net.javacrumbs.futureconverter.common.test.spring.SpringConvertedFutureTestHelper.java

@Override
public void waitForCalculationToFinish(ListenableFuture<String> convertedFuture) throws InterruptedException {
    final CountDownLatch latch = new CountDownLatch(1);
    convertedFuture.addCallback(new ListenableFutureCallback<String>() {
        @Override/*from ww  w .ja  va2  s . c  o m*/
        public void onSuccess(String result) {
            latch.countDown();
        }

        @Override
        public void onFailure(Throwable t) {
            latch.countDown();
        }
    });
    latch.await(1, TimeUnit.SECONDS);
}

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From source file:io.fabric8.msg.jnatsd.TestNullPayload.java

@Test
public void testNullPayload() throws Exception {
    Connection connection = connectionFactory.createConnection();
    final int count = 100;
    CountDownLatch countDownLatch = new CountDownLatch(count);
    Subscription subscription = connection.subscribe("foo", new MessageHandler() {
        @Override//from   ww  w  .  ja  v  a 2 s. c o  m
        public void onMessage(Message message) {
            countDownLatch.countDown();
        }
    });

    for (int i = 0; i < count; i++) {
        connection.publish("foo", null);
    }

    countDownLatch.await(10, TimeUnit.SECONDS);
    Assert.assertEquals(0, countDownLatch.getCount());
    connection.close();
}

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From source file:kidozen.client.crash.HttpSender.java

@Override
public void send(CrashReportData report) throws ReportSenderException {
    try {/*from   w  ww  . ja  v a 2 s .co m*/
        final CountDownLatch cdl = new CountDownLatch(1);
        IdentityManager.getInstance().GetRawToken(mApplicationKey, new ServiceEventListener() {
            @Override
            public void onFinish(ServiceEvent e) {
                mEvent = e;
                cdl.countDown();
            }
        });
        cdl.await(DEFAULT_TIMEOUT, TimeUnit.MINUTES);
        if (mEvent.Exception != null || mEvent.StatusCode >= HttpStatus.SC_BAD_REQUEST)
            throw new ReportSenderException(mEvent.Body);
        mToken = ((KidoZenUser) mEvent.Response).Token;

        String authHeaderValue = String.format("WRAP access_token=\"%s\"", mToken);

        Log.d(LOG_TAG, String.format("About to send log to Log V3 service: %s ", mCrashEndpoint));
        JSONObject reportAsJson = report.toJSON();

        String bc = new JSONArray(mBreadCrumbs).toString();
        reportAsJson.put(APPLICATION_BREADCRUMB, bc);

        Hashtable<String, String> headers = new Hashtable<String, String>();
        headers.put(Constants.AUTHORIZATION_HEADER, authHeaderValue);
        headers.put(Constants.CONTENT_TYPE, Constants.APPLICATION_JSON);
        headers.put(Constants.ACCEPT, Constants.APPLICATION_JSON);

        mSniManager = new SNIConnectionManager(mCrashEndpoint, reportAsJson.toString(), headers, null, true);
        Hashtable<String, String> response = mSniManager.ExecuteHttp(KZHttpMethod.POST);
        String body = response.get("responseBody");
        Integer statusCode = Integer.parseInt(response.get("statusCode"));
        if (statusCode >= HttpStatus.SC_MULTIPLE_CHOICES) {
            String exceptionMessage = (body != null ? body : "Unexpected HTTP Status Code: " + statusCode);
            throw new Exception(exceptionMessage);
        }
    } catch (InterruptedException e) {
        throw new ReportSenderException("Timeout trying to send report to KidoZen services.", e);
    } catch (ReportSenderException e) {
        throw e;
    } catch (Exception e) {
        throw new ReportSenderException("Error while sending  report to KidoZen services.", e);
    }
}

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From source file:com.netflix.curator.framework.imps.TestFrameworkEdges.java

@Test
public void testNestedCalls() throws Exception {
    CuratorFramework client = CuratorFrameworkFactory.newClient(server.getConnectString(), new RetryOneTime(1));
    client.start();/*  www .j  av  a  2s  . com*/
    try {
        client.getCuratorListenable().addListener(new CuratorListener() {
            @Override
            public void eventReceived(CuratorFramework client, CuratorEvent event) throws Exception {
                if (event.getType() == CuratorEventType.EXISTS) {
                    Stat stat = client.checkExists().forPath("/yo/yo/yo");
                    Assert.assertNull(stat);

                    client.create().inBackground(event.getContext()).forPath("/what");
                } else if (event.getType() == CuratorEventType.CREATE) {
                    ((CountDownLatch) event.getContext()).countDown();
                }
            }
        });

        CountDownLatch latch = new CountDownLatch(1);
        client.checkExists().inBackground(latch).forPath("/hey");
        Assert.assertTrue(latch.await(10, TimeUnit.SECONDS));
    } finally {
        IOUtils.closeQuietly(client);
    }
}

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From source file:edu.stanford.junction.provider.xmpp.JunctionProvider.java

private synchronized XMPPConnection getXMPPConnection(XMPPSwitchboardConfig config, String roomid)
        throws JunctionException {
    final CountDownLatch waitForConnect = new CountDownLatch(1);
    ConnectionThread t = new ConnectionThread(config, waitForConnect);
    t.start();//  ww  w . ja v  a 2  s .  c om

    boolean timedOut = false;
    try {
        timedOut = !(waitForConnect.await(config.connectionTimeout, TimeUnit.MILLISECONDS));
    } catch (InterruptedException e) {
        throw new JunctionException("Interrupted while waiting for connection.");
    }

    if (timedOut) {
        System.out.println("Connection timed out after " + config.connectionTimeout + " milliseconds.");
        t.interrupt(); // Thread may still be looping...

        String msg = "Connection attempt failed to complete within provided timeout of "
                + config.connectionTimeout + " milliseconds.";
        throw new JunctionException(msg, new ConnectionTimeoutException(msg));
    }

    if (t.success) {
        if (DBG)
            System.out.println("Connection succeeded.");
        sConnections.add(t.connection);
        HashSet<String> set = new HashSet<String>();
        set.add(roomid);
        sConnectionSessions.add(set);
        return t.connection;
    } else {
        if (t.failureReason != null) {
            throw new JunctionException("Connection attempt failed.", t.failureReason);
        } else {
            throw new JunctionException("Connection attempt failed for unknown reason.", t.failureReason);
        }
    }
}

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From source file:com.palantir.docker.compose.logging.FileLogCollectorShould.java

@Test
public void collect_logs_when_one_container_is_running_and_does_not_terminate()
        throws IOException, InterruptedException {
    when(compose.ps()).thenReturn(TestContainerNames.of("db"));
    CountDownLatch latch = new CountDownLatch(1);
    when(compose.writeLogs(eq("db"), any(OutputStream.class))).thenAnswer((args) -> {
        OutputStream outputStream = (OutputStream) args.getArguments()[1];
        IOUtils.write("log", outputStream);
        try {/*  www .java  2 s  . c  o m*/
            latch.await(1, TimeUnit.SECONDS);
            fail("Latch was not triggered");
        } catch (InterruptedException e) {
            // Success
            return true;
        }
        fail("Latch was not triggered");
        return false;
    });
    logCollector.startCollecting(compose);
    logCollector.stopCollecting();
    assertThat(logDirectory.listFiles(), arrayContaining(fileWithName("db.log")));
    assertThat(new File(logDirectory, "db.log"), is(fileContainingString("log")));
    latch.countDown();
}

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From source file:com.heliosapm.streams.collector.ds.JDBCDataSourceManager.java

/**
 * Awaits deployment of the datasource defined by the passed file
 * @param dsDef The datasource (or objectpool) definition file
 * @param timeout The await timeout//  w  w  w. java  2  s  . c  o m
 * @param unit The await timeout unit
 * @return true if datasource was deployed, false otherwise
 */
public boolean awaitDeployment(final File dsDef, final long timeout, final TimeUnit unit) {
    if (dsDef == null)
        throw new IllegalArgumentException("The passed file was null");
    final CountDownLatch latch = placeLatch(dsDef);
    try {
        final boolean complete = latch.await(timeout, unit);
        if (complete) {
            deploymentLatches.remove(dsDef, latch);
        }
        return complete;
    } catch (InterruptedException iex) {
        throw new RuntimeException("Thread interrupted while waiting for deployment of [" + dsDef + "]", iex);
    }
}

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From source file:ninja.eivind.hotsreplayuploader.ClientTest.java

@Test
public void testJavaFXIsAvailable() throws InterruptedException {
    CountDownLatch latch = new CountDownLatch(2);
    Task<Void> javaFxTask = new Task<Void>() {
        @Override/*w  ww  .  j av a  2  s  . c om*/
        protected Void call() throws Exception {
            latch.countDown();
            return null;
        }
    };
    javaFxTask.setOnSucceeded((result) -> latch.countDown());
    new Thread(javaFxTask).run();

    if (!latch.await(1, TimeUnit.SECONDS)) {
        fail("JavaFX is not available.");
    }
}

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From source file:org.onosproject.rest.resources.IntentsWebResource.java

/**
 * Withdraw intent./*w ww . j  a v  a2s. c  o m*/
 * Withdraws the specified intent from the system.
 *
 * @param appId application identifier
 * @param key   intent key
 */
@DELETE
@Path("{appId}/{key}")
public void deleteIntentById(@PathParam("appId") String appId, @PathParam("key") String key) {
    final ApplicationId app = get(CoreService.class).getAppId(appId);

    Intent intent = get(IntentService.class).getIntent(Key.of(key, app));
    IntentService service = get(IntentService.class);

    if (intent == null) {
        intent = service.getIntent(Key.of(Long.decode(key), app));
    }
    if (intent == null) {
        // No such intent.  REST standards recommend a positive status code
        // in this case.
        return;
    }

    Key k = intent.key();

    // set up latch and listener to track uninstall progress
    CountDownLatch latch = new CountDownLatch(1);

    IntentListener listener = new DeleteListener(k, latch);
    service.addListener(listener);

    try {
        // request the withdraw
        service.withdraw(intent);

        try {
            latch.await(WITHDRAW_EVENT_TIMEOUT_SECONDS, TimeUnit.SECONDS);
        } catch (InterruptedException e) {
            log.info("REST Delete operation timed out waiting for intent {}", k);
        }
        // double check the state
        IntentState state = service.getIntentState(k);
        if (state == WITHDRAWN || state == FAILED) {
            service.purge(intent);
        }

    } finally {
        // clean up the listener
        service.removeListener(listener);
    }
}

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