Example usage for java.util.concurrent.atomic AtomicLong get

Introduction

In this page you can find the example usage for java.util.concurrent.atomic AtomicLong get.

Prototype

public final long get() 

Source Link

Document

Returns the current value, with memory effects as specified by VarHandle#getVolatile .

Usage

From source file:org.apache.activemq.artemis.tests.integration.persistence.metrics.JournalPendingMessageTest.java

@Test
public void testQueueMessageSizeNonPersistent() throws Exception {

    AtomicLong publishedMessageSize = new AtomicLong();

    publishTestQueueMessages(200, DeliveryMode.NON_PERSISTENT, publishedMessageSize);
    verifyPendingStats(defaultQueueName, 200, publishedMessageSize.get());
    verifyPendingDurableStats(defaultQueueName, 0, 0);
}

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From source file:org.apache.hadoop.hbase.client.TestAsyncTable.java

@Test
public void testAppend() throws InterruptedException, ExecutionException {
    AsyncTableBase table = getTable.get();
    int count = 10;
    CountDownLatch latch = new CountDownLatch(count);
    char suffix = ':';
    AtomicLong suffixCount = new AtomicLong(0L);
    IntStream.range(0, count).forEachOrdered(i -> table
            .append(new Append(row).add(FAMILY, QUALIFIER, Bytes.toBytes("" + i + suffix))).thenAccept(r -> {
                suffixCount.addAndGet(//from w  w  w.  j  a v a2  s  .  c om
                        Bytes.toString(r.getValue(FAMILY, QUALIFIER)).chars().filter(x -> x == suffix).count());
                latch.countDown();
            }));
    latch.await();
    assertEquals((1 + count) * count / 2, suffixCount.get());
    String value = Bytes
            .toString(table.get(new Get(row).addColumn(FAMILY, QUALIFIER)).get().getValue(FAMILY, QUALIFIER));
    int[] actual = Arrays.asList(value.split("" + suffix)).stream().mapToInt(Integer::parseInt).sorted()
            .toArray();
    assertArrayEquals(IntStream.range(0, count).toArray(), actual);
}

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From source file:org.apache.activemq.artemis.tests.integration.persistence.metrics.JournalPendingMessageTest.java

@Test
public void testQueueMessageSizeAfterConsumptionNonPersistent() throws Exception {
    AtomicLong publishedMessageSize = new AtomicLong();

    publishTestQueueMessages(200, DeliveryMode.NON_PERSISTENT, publishedMessageSize);
    verifyPendingStats(defaultQueueName, 200, publishedMessageSize.get());

    consumeTestQueueMessages(200);/* www .j av a2  s.  co  m*/

    verifyPendingStats(defaultQueueName, 0, 0);
    verifyPendingDurableStats(defaultQueueName, 0, 0);
}

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From source file:org.jsfr.json.JacksonParserTest.java

@Test
public void testLargeJsonJackson() throws Exception {
    final AtomicLong counter = new AtomicLong();
    ObjectMapper om = new ObjectMapper();
    JsonFactory f = new JsonFactory();
    JsonParser jp = f.createParser(read("allthethings.json"));
    long start = System.currentTimeMillis();
    jp.nextToken();/*  w w w .  j  a v  a 2 s. c  o m*/
    jp.nextToken();
    jp.nextToken();
    while (jp.nextToken() == JsonToken.FIELD_NAME) {
        if (jp.nextToken() == JsonToken.START_OBJECT) {
            TreeNode tree = om.readTree(jp);
            counter.incrementAndGet();
            LOGGER.trace("value: {}", tree);
        }
    }
    jp.close();
    LOGGER.info("Jackson processes {} value in {} millisecond", counter.get(),
            System.currentTimeMillis() - start);
}

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From source file:org.apache.activemq.artemis.tests.integration.persistence.metrics.JournalPendingMessageTest.java

@Test
public void testQueueBrowserMessageSize() throws Exception {

    AtomicLong publishedMessageSize = new AtomicLong();

    publishTestQueueMessages(200, publishedMessageSize);
    browseTestQueueMessages(defaultQueueName);
    verifyPendingStats(defaultQueueName, 200, publishedMessageSize.get());
    verifyPendingDurableStats(defaultQueueName, 200, publishedMessageSize.get());
}

---

From source file:it.polimi.diceH2020.SPACE4CloudWS.core.CoarseGrainedOptimizer.java

void hillClimbing(Solution solution) {
    logger.info(/*  w  w  w. j  a  v  a2 s  . c om*/
            String.format("---------- Starting hill climbing for instance %s ----------", solution.getId()));
    Technology technology = solverChecker.enforceSolverSettings(solution.getLstSolutions());

    List<SolutionPerJob> lst = solution.getLstSolutions();
    Stream<SolutionPerJob> strm = settings.isParallel() ? lst.parallelStream() : lst.stream();
    AtomicLong executionTime = new AtomicLong();
    boolean overallSuccess = strm.map(s -> {
        Instant first = Instant.now();
        boolean success = hillClimbing(s, technology);
        Instant after = Instant.now();
        executionTime.addAndGet(Duration.between(first, after).toMillis());
        return success;
    }).reduce(true, Boolean::logicalAnd);

    if (!overallSuccess)
        stateHandler.sendEvent(Events.STOP);
    else {
        solution.setEvaluated(false);
        evaluator.evaluate(solution);

        Phase phase = new Phase();
        phase.setId(PhaseID.OPTIMIZATION);
        phase.setDuration(executionTime.get());
        solution.addPhase(phase);
    }
}

---

From source file:org.apache.drill.exec.expr.fn.FunctionImplementationRegistry.java

private DrillFuncHolder findExactMatchingDrillFunction(String name, List<MajorType> argTypes,
        MajorType returnType, boolean retry) {
    AtomicLong version = new AtomicLong();
    for (DrillFuncHolder h : localFunctionRegistry.getMethods(name, version)) {
        if (h.matches(returnType, argTypes)) {
            return h;
        }/*from  www. j  av a2s .c  o  m*/
    }

    if (retry && optionManager != null
            && optionManager.getOption(ExecConstants.DYNAMIC_UDF_SUPPORT_ENABLED).bool_val) {
        if (loadRemoteFunctions(version.get())) {
            return findExactMatchingDrillFunction(name, argTypes, returnType, false);
        }
    }
    return null;
}

---

From source file:com.github.brandtg.switchboard.LogPuller.java

@Override
public void run() {
    HttpClient httpClient = HttpClients.createDefault();
    AtomicLong currentIndex = new AtomicLong(lastIndex);
    HttpHost host = new HttpHost(sourceAddress.getAddress(), sourceAddress.getPort());
    boolean firstLoop = true;

    while (!isShutdown.get()) {
        // Build URI
        StringBuilder sb = new StringBuilder();
        try {// w  w w . ja  v a  2s  .c  o  m
            if (firstLoop) {
                sb.append("/log/metadata/header?target=").append(sinkAddress.getHostName()).append(":")
                        .append(sinkAddress.getPort());
                firstLoop = false;
            } else {
                sb.append("/log/").append(URLEncoder.encode(collection, ENCODING)).append("/")
                        .append(currentIndex.get()).append("?target=").append(sinkAddress.getHostName())
                        .append(":").append(sinkAddress.getPort());
            }
        } catch (Exception e) {
            throw new RuntimeException(e);
        }

        // TODO: Clean this up a little bit
        int resStatus = -1;
        synchronized (this) {
            HttpEntity entity = null;
            try {
                // Get data
                URI uri = URI.create(sb.toString());
                HttpGet req = new HttpGet(uri);
                HttpResponse res = httpClient.execute(host, req);
                entity = res.getEntity();
                resStatus = res.getStatusLine().getStatusCode();
                if (resStatus == 200) {
                    // Wait for data to be consumed
                    // n.b. This object will be registered as a listener
                    wait();

                    // Update position
                    InputStream inputStream = res.getEntity().getContent();
                    LogRegionResponse metadata = OBJECT_MAPPER.readValue(inputStream, LogRegionResponse.class);
                    currentIndex
                            .set(metadata.getLogRegions().get(metadata.getLogRegions().size() - 1).getIndex());

                    for (LogRegion logRegion : metadata.getLogRegions()) {
                        LOG.info("Received {}", logRegion);
                    }
                }
            } catch (Exception e) {
                LOG.error("Error", e);
            } finally {
                if (entity != null) {
                    try {
                        EntityUtils.consume(entity);
                    } catch (IOException e) {
                        LOG.error("Error", e);
                    }
                }
            }
        }

        // Sleep if did not get data
        if (resStatus != 200) {
            try {
                LOG.debug("No data available, sleeping 1000 ms");
                Thread.sleep(1000);
            } catch (InterruptedException e) {
                LOG.warn("Error while sleeping for more data", e);
            }
        }
    }
}

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From source file:com.alibaba.napoli.metamorphosis.client.extension.producer.LocalMessageStorageManager.java

/**
 * ????,?(???????)/*from ww  w .  j a  v  a  2s.c  o m*/
 * 
 * @param topic
 * @param partition
 * @param recoverer
 *            ?????
 * @return ?????
 * */
@Override
public boolean recover(final String topic, final Partition partition, final MessageRecoverer recoverer) {

    final String name = this.generateKey(topic, partition);
    final FutureTask<Boolean> recoverTask = new FutureTask<Boolean>(new Callable<Boolean>() {

        @Override
        public Boolean call() throws Exception {
            final AtomicLong count = new AtomicLong(0);
            try {

                final Store store = LocalMessageStorageManager.this.getOrCreateStore(topic, partition);

                this.innerRecover(store, recoverer, count, name);
            } catch (final Throwable e) {
                log.error("SendRecover?????,name=" + name, e);
            } finally {
                log.info("SendRecover????,name=" + name + ",???"
                        + count.get() + "?");
                LocalMessageStorageManager.this.topicRecoverTaskMap.remove(name);
            }
            return true;
        }

        private void innerRecover(final Store store, final MessageRecoverer recoverer, final AtomicLong count,
                final String name) throws IOException, Exception {
            final Iterator<byte[]> it = store.iterator();
            while (it.hasNext()) {
                final byte[] key = it.next();
                final Message msg = (Message) LocalMessageStorageManager.this.deserializer
                        .decodeObject(store.get(key));
                recoverer.handle(msg);
                try {
                    store.remove(key);
                    count.incrementAndGet();
                    if (count.get() % 20000 == 0) {
                        log.info("SendRecover " + name + "????:" + count.get());
                    }
                } catch (final IOException e) {
                    log.error("SendRecover remove message failed", e);
                }
            }
        }
    });

    final FutureTask<Boolean> ret = this.topicRecoverTaskMap.putIfAbsent(name, recoverTask);
    if (ret == null) {
        this.threadPoolExecutor.submit(recoverTask);
        return true;
    } else {
        if (log.isDebugEnabled()) {
            log.debug("SendRecover?????,????,name=" + name);
        }
        return false;
    }

}

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From source file:org.apache.drill.exec.expr.fn.FunctionImplementationRegistry.java

private DrillFuncHolder findDrillFunction(FunctionResolver functionResolver, FunctionCall functionCall,
        boolean retry) {
    AtomicLong version = new AtomicLong();
    DrillFuncHolder holder = functionResolver.getBestMatch(
            localFunctionRegistry.getMethods(functionReplacement(functionCall), version), functionCall);
    if (holder == null && retry) {
        if (optionManager != null
                && optionManager.getOption(ExecConstants.DYNAMIC_UDF_SUPPORT_ENABLED).bool_val) {
            if (loadRemoteFunctions(version.get())) {
                return findDrillFunction(functionResolver, functionCall, false);
            }//from w w  w  .j  a v  a  2 s.c o m
        }
    }
    return holder;
}

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