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

Introduction

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

Prototype

public AtomicLong(long initialValue) 

Source Link

Document

Creates a new AtomicLong with the given initial value.

Usage

From source file:com.github.jackygurui.vertxredissonrepository.repository.SaveAndGetCustomerConcurrentWaterfallTest.java

@Test
public void test4SaveAndGetCustomerConcurrentWaterfall(TestContext context) throws Exception {
    Async async = context.async();/* w w w.  j  a v  a2  s . c  o m*/
    JsonNode source = JsonLoader.fromResource("/Customer.json");
    int records = 10000;
    HanyuPinyin.convert("");//warm up
    AtomicLong counter = new AtomicLong(0);
    StopWatch sw = new StopWatch();
    sw.start();
    IntStream.rangeClosed(1, records).parallel().forEach(e -> {
        JsonObject clone = new JsonObject(Json.encode(source));
        clone.getJsonObject("personalDetails").put("phoneNumber",
                ((Long.parseLong(clone.getJsonObject("personalDetails").getString("phoneNumber")) + 5000 + e)
                        + ""));
        org.simondean.vertx.async.Async.waterfall().<String>task(t -> {
            customerRepository.create(Json.encode(clone), t);
        }).<Customer>task((id, t) -> {
            customerRepository.get(id, t);
        }).run(rr -> {
            long ct = counter.incrementAndGet();
            //                logger.info("Counter = " + ct + " | success = " + !r.failed());
            if (rr.succeeded()) {
                try {
                    Customer loaded = rr.result();
                    Customer c = Json.decodeValue(clone.encode(), Customer.class);
                    c.setId(loaded.getId());
                    c.getAddressDetails().setId(loaded.getId());
                    c.getPersonalDetails().setId(loaded.getId());
                    String encoded = Json.encode(c);
                    if (!rr.result().equals(encoded)) {
                        logger.info(loaded.getId() + " - SOURCE : " + encoded);
                        logger.info(loaded.getId() + " - RESULT : " + rr.result());
                    }
                    context.assertEquals(Json.encode(rr.result()), encoded);
                } catch (Exception ex) {
                    context.fail(ex);
                    async.complete();
                }
            } else {
                context.fail(rr.cause());
                async.complete();
            }
            if (ct == records) {
                sw.stop();
                logger.info("time to concurrently save and get using waterfall " + records
                        + " customer records: " + sw.getTime());
                async.complete();
            }
        });
    });
}

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From source file:org.apache.flink.monitor.trackers.regression.OLSRegressionTest.java

@Test
public void shouldFitHistogram() throws IOException {
    Map<Long, AtomicLong> exactH = new HashMap<Long, AtomicLong>();

    Tuple3<Long, Long, String> r = new Tuple3<Long, Long, String>();
    int counter = 1;
    while (!this.oneKTuples.reachedEnd()) {
        r = this.oneKTuples.nextRecord(r);
        if (r == null) {
            break;
        }/*  w  w w .j a  va 2s. com*/
        if (r.getField(1) != null && (Long) r.getField(1) > 0) {
            if (exactH.containsKey(r.getField(1))) {
                exactH.get(r.getField(1)).incrementAndGet();
            } else {
                exactH.put((Long) r.getField(1), new AtomicLong(1));
            }
        }
    }

    double[] xVector = new double[exactH.size()];
    double[] yVector = new double[exactH.size()];
    int index = 0;
    for (Entry<Long, AtomicLong> e : exactH.entrySet()) {
        xVector[index] = e.getKey();
        yVector[index++] = e.getValue().doubleValue();
    }
    long before = System.currentTimeMillis();

    OLSTrendLine t = new PolyTrendLine(10);
    t.setValues(yVector, xVector);

    long after = System.currentTimeMillis();
    System.out.println("Took " + (after - before) / 1000 + " seconds to compute fit.");

    File histoFile = new File("./fitted");
    FileWriter writer = new FileWriter(histoFile);

    long valueSum = 0;
    double sumSquaredError = 0.0;
    int i = 0;
    long maxValue = -1;
    for (Long k : exactH.keySet()) {
        double actual = exactH.get(k).doubleValue();
        double prediction = t.predict(k);
        sumSquaredError += (prediction - actual) * (prediction - actual);
        valueSum += exactH.get(k).longValue();
        writer.write("" + k + "\t" + actual + "\n");
        if (k > maxValue) {
            maxValue = k;
        }
        if (i++ % 100000 == 0) {
            writer.flush();
        }
    }

    writer.flush();
    writer.close();

    double[] coef = t.getCoef().getColumn(0);
    for (int j = 0; j < coef.length; j++) {
        System.out.println(coef[j] + " ");
    }
    System.out.println("maxValue " + maxValue);
    System.out.println("sum square errors: " + sumSquaredError + " with acc values: " + valueSum);
}

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From source file:alluxio.worker.block.meta.StorageDir.java

private StorageDir(StorageTier tier, int dirIndex, long capacityBytes, String dirPath) {
    mTier = Preconditions.checkNotNull(tier);
    mDirIndex = dirIndex;/* w w w .j  a v a  2  s  .c om*/
    mCapacityBytes = capacityBytes;
    mAvailableBytes = new AtomicLong(capacityBytes);
    mCommittedBytes = new AtomicLong(0);
    mDirPath = dirPath;
    mBlockIdToBlockMap = new HashMap<>(200);
    mBlockIdToTempBlockMap = new HashMap<>(200);
    mSessionIdToTempBlockIdsMap = new HashMap<>(200);
}

---

From source file:com.taobao.tddl.interact.monitor.TotalStatMonitor.java

/**
 * normal db tab access counter//from  ww w  .  j av  a  2s .com
 * 
 * @param key
 */
public static void dbTabIncrement(String key) {
    AtomicLong incre = dbTabMap.putIfAbsent(key, new AtomicLong(0));
    if (incre != null) {
        incre.addAndGet(1);
    }
}

---

From source file:org.apache.synapse.commons.throttle.core.CallerContext.java

public CallerContext clone() throws CloneNotSupportedException {
    super.clone();
    CallerContext clone = new CallerContext(this.id) {
        @Override//  w ww  . j av  a  2  s . c  o  m
        public int getType() {
            return CallerContext.this.getType();
        }
    };
    clone.nextAccessTime = this.nextAccessTime;
    clone.firstAccessTime = this.firstAccessTime;
    clone.nextTimeWindow = this.nextTimeWindow;
    clone.globalCount = new AtomicLong(this.globalCount.longValue());
    clone.localCount = new AtomicLong(this.localCount.longValue());

    localCount.set(0);
    return clone;
}

---

From source file:org.lendingclub.mercator.docker.SwarmScanner.java

long saveDockerNode(String swarmClusterId, JsonNode n) {

    String swarmNodeId = n.get("swarmNodeId").asText();
    AtomicLong updateTs = new AtomicLong(Long.MAX_VALUE);
    dockerScanner.getNeoRxClient().execCypher(
            "merge (n:DockerHost {swarmNodeId:{nodeId}}) set n+={props}, n.updateTs=timestamp() return n",
            "nodeId", swarmNodeId, "props", n).forEach(actual -> {
                removeDockerLabels("DockerHost", "swarmNodeId", swarmNodeId, n, actual);
                updateTs.set(Math.min(updateTs.get(), actual.path("updateTs").asLong(Long.MAX_VALUE)));
            });/*from  w  ww. j a  v  a2  s. co m*/

    logger.info("connecting swarm={} to node={}", swarmClusterId, swarmNodeId);
    dockerScanner.getNeoRxClient().execCypher(
            "match (s:DockerSwarm {swarmClusterId:{swarmClusterId}}), (n:DockerHost {swarmNodeId:{nodeId}}) merge (s)-[x:CONTAINS]->(n) set x.updateTs=timestamp()",
            "swarmClusterId", swarmClusterId, "nodeId", swarmNodeId);
    return updateTs.get();

}

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From source file:org.apache.hadoop.hbase.regionserver.Segment.java

protected Segment(Segment segment) {
    this.cellSet = segment.getCellSet();
    this.comparator = segment.getComparator();
    this.minSequenceId = segment.getMinSequenceId();
    this.memStoreLAB = segment.getMemStoreLAB();
    this.size = new AtomicLong(segment.getSize());
    this.tagsPresent = segment.isTagsPresent();
    this.timeRangeTracker = segment.getTimeRangeTracker();
}

---

From source file:org.apache.spark.network.server.OneForOneStreamManager.java

public OneForOneStreamManager() {
    // For debugging purposes, start with a random stream id to help identifying different streams.
    // This does not need to be globally unique, only unique to this class.
    nextStreamId = new AtomicLong((long) new Random().nextInt(Integer.MAX_VALUE) * 1000);
    streams = new ConcurrentHashMap<>();
}

---

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 . jav a  2 s .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:org.apache.shindig.gadgets.http.DefaultInvalidationService.java

@Inject
public DefaultInvalidationService(HttpCache httpCache, CacheProvider cacheProvider) {
    // Initialize to current time to mimimize conflict with persistent caches
    this(httpCache, cacheProvider, new AtomicLong(System.currentTimeMillis()));
}

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