Example usage for java.util.concurrent ConcurrentSkipListMap ConcurrentSkipListMap

Introduction

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

Prototype

public ConcurrentSkipListMap()

Source Link

Document

Constructs a new, empty map, sorted according to the Comparable natural ordering of the keys.

Usage

From source file:org.apache.hadoop.hbase.ZKNamespaceManager.java

public ZKNamespaceManager(ZooKeeperWatcher zkw) throws IOException {
    super(zkw);/*from   w ww .  j a v  a  2s  . c o  m*/
    nsZNode = ZooKeeperWatcher.namespaceZNode;
    cache = new ConcurrentSkipListMap<String, NamespaceDescriptor>();
}

From source file:org.apache.bookkeeper.mledger.util.RangeCache.java

/**
 * Construct a new RangeLruCache.//  w  w w  .j a v a  2 s  .co  m
 *
 * @param weighter
 *            a custom weighter to compute the size of each stored value
 */
public RangeCache(Weighter<Value> weighter) {
    this.size = new AtomicLong(0);
    this.entries = new ConcurrentSkipListMap<>();
    this.weighter = weighter;
}

From source file:org.xenmaster.monitoring.MonitoringAgent.java

private MonitoringAgent() {
    vmData = ArrayListMultimap.create();
    hostData = ArrayListMultimap.create();
    data = new ConcurrentSkipListMap<>();
    NTPUDPClient nuc = new NTPUDPClient();
    ringBuffer = new RingBuffer<>(Record.EVENT_FACTORY, new SingleThreadedClaimStrategy(RING_SIZE),
            new BlockingWaitStrategy());
    eventHandler = new EventHandler();
    comptroller = new Comptroller();
    emitter = new Emitter();
    collector = new Collector();
    correl = new Correlator();

    setUpEngine();//from  ww w  .j a v a2 s.  c  o m

    try {
        timeInfo = nuc.getTime(InetAddress.getByName(NTP_SERVER));
        timeInfo.computeDetails();
        Logger.getLogger(getClass())
                .info("Current time "
                        + new DateTime(System.currentTimeMillis() + timeInfo.getOffset())
                                .toString("dd/MM/yyyy HH:mm:ss.S")
                        + ". Clock drift " + timeInfo.getOffset() + " milliseconds");
    } catch (IOException ex) {
        Logger.getLogger(getClass()).warn("NTP time retrieval failed", ex);
    }
}

From source file:org.wso2.andes.server.slot.SlotDeliveryWorker.java

public SlotDeliveryWorker() {
    messageFlusher = MessageFlusher.getInstance();
    this.storageQueueNameToDestinationMap = new ConcurrentSkipListMap<String, String>();
    this.subscriptionStore = AndesContext.getInstance().getSubscriptionStore();
    isClusteringEnabled = AndesContext.getInstance().isClusteringEnabled();
    localLastProcessedIdMap = new HashMap<String, Long>();
    /*/* ww w  . j  a v a  2  s .c  o m*/
    Start slot deleting thread only if clustering is enabled. Otherwise slots assignment will
     not happen
     */
    if (isClusteringEnabled) {
        nodeId = HazelcastAgent.getInstance().getNodeId();
    }
}

From source file:org.loklak.objects.Timeline.java

public Timeline(Order order) {
    this.tweets = new ConcurrentSkipListMap<String, MessageEntry>();
    this.users = new ConcurrentHashMap<String, UserEntry>();
    this.order = order;
    this.query = null;
    this.indexName = null;
}

From source file:org.wso2.andes.kernel.slot.SlotDeliveryWorker.java

public SlotDeliveryWorker() {
    messageFlusher = MessageFlusher.getInstance();
    this.storageQueueNameToDestinationMap = new ConcurrentSkipListMap<String, String>();
    this.subscriptionStore = AndesContext.getInstance().getSubscriptionStore();
    isClusteringEnabled = AndesContext.getInstance().isClusteringEnabled();
    localLastProcessedIdMap = new HashMap<String, Long>();
    slotDeletionScheduler = new SlotDeletionScheduler(SLOT_DELETION_SCHEDULE_INTERVAL);
    /*//from w ww .  j av  a  2  s  .  c o m
    Start slot deleting thread only if clustering is enabled. Otherwise slots assignment will
     not happen
     */
    if (isClusteringEnabled) {
        nodeId = HazelcastAgent.getInstance().getNodeId();
    }
}

From source file:annis.gui.flatquerybuilder.ValueField.java

public ValueField(FlatQueryBuilder sq, SearchBox sb, String level) {
    /*INIT VALUES*/
    this.sq = sq;
    this.sb = sb;
    this.level = level;
    vm = (sb.isRegEx()) ? ValueMode.REGEX : ValueMode.NORMAL;
    values = new ConcurrentSkipListMap<>();
    for (String v : sq.getAvailableAnnotationLevels(level)) {
        values.put(v, sq.escapeRegexCharacters(v));
    }//from www .  jav  a 2s . c  om

    /*SENSITIVE COMBOBOX*/
    scb = new SensitiveComboBox();
    scb.setImmediate(true);
    scb.setNewItemsAllowed(true);
    scb.setTextInputAllowed(true);
    scb.setFilteringMode(FilteringMode.OFF);
    scb.addListener((TextChangeListener) this);
    scb.setItemCaptionMode(ItemCaptionMode.ID);
    buildValues(vm);
    scb.addStyleName(SCB_STYLE_NAME);
    scb.setWidth(SCB_WIDTH);

    /*BUTTON*/
    bt = new Button(BUTTON_LABEL_REMOVE);
    bt.addClickListener((Button.ClickListener) this);
    bt.setStyleName(ChameleonTheme.BUTTON_SMALL);

    /*HORIZONTAL LAYOUT*/
    frame = new HorizontalLayout();
    frame.setSpacing(true);//used to be true    
    frame.setCaption(level);

    /*VISUALIZE*/
    frame.addComponent(scb);
    frame.addComponent(bt);
    frame.setComponentAlignment(bt, Alignment.BOTTOM_RIGHT);
    setContent(frame);
}

From source file:ai.susi.server.AccessTracker.java

public AccessTracker(File dump_dir, String dump_file_prefix, long track_timeout, long schedule_period)
        throws IOException {
    this.history = new JsonRepository(dump_dir, dump_file_prefix, null, JsonRepository.Mode.COMPRESSED, false,
            1);//www  .  j a v a2s .  c o  m
    this.track_timeout = track_timeout;
    this.schedule_period = schedule_period;
    this.terminate = false;
    this.pendingQueue = new ConcurrentSkipListMap<>();
    this.finishedQueue = new ConcurrentSkipListMap<>();
}

From source file:voldemort.store.cachestore.impl.SortedCacheStore.java

/**
 *
 * @param path/*from   w  ww  . j a v a 2s . c  om*/
 * @param blockSize
 * @param curIndex
 * @param filename
 * @param delayWrite
 * @param mode
 */
public SortedCacheStore(String path, BlockSize blockSize, int curIndex, String filename, boolean delayWrite,
        int mode) {
    this.delayWrite = delayWrite;
    if (delayWrite) {
        delayWriteQueue = new LinkedBlockingQueue<DelayBlock>(QUEUE_SIZE);
    }
    this.mode = mode;
    checkPath(path);
    this.path = path;
    this.blockSize = blockSize;
    this.curIndex = curIndex;
    this.overflow = new AtomicLong(0);
    this.list = new CopyOnWriteArrayList<ChannelStore>();
    this.namePrefix = filename;
    this.map = new ConcurrentSkipListMap<Key, CacheBlock>();
    //check to see if more file 0 / 1
    if (curIndex <= 1) {
        list.add(0, open(getPath(path) + filename + curIndex, map, false, 0, delayWrite, mode));
        deleted += list.get(0).getDeleted();
        if (ChannelStore.isChannelExist(getPath(path) + filename + 1 + ".ndx")) {
            // close channel 0
            list.get(0).close(delayWriteQueue);
            list.add(1, open(getPath(path) + filename + 1, map, false, 1, delayWrite, mode));
            this.curIndex = 1;
            deleted += list.get(1).getDeleted();
        }
    } else {
        throw new StoreException("not support for index " + curIndex + " > 1 ");
    }
    initMetaDataStore();
    serverState = State.Active;
}

From source file:com.microsoft.wake.contrib.grouper.impl.AppendingSnowshovelGrouper.java

@Inject
public AppendingSnowshovelGrouper(Combiner<OutType, K, List<V>> c, Partitioner<K> p,
        Extractor<InType, K, V> ext,
        @Parameter(StageConfiguration.StageObserver.class) Observer<Tuple<Integer, OutType>> o,
        @Parameter(StageConfiguration.NumberOfThreads.class) int outputThreads,
        @Parameter(StageConfiguration.StageName.class) String stageName,
        @Parameter(ContinuousStage.PeriodNS.class) long outputPeriod_ns) {
    super(stageName);
    this.c = c;//  w  ww. j  a v  a2 s.  com
    this.p = p;
    this.ext = ext;
    this.o = o;
    // calling this.new on a @Unit's inner class without its own state is currently the same as Tang injecting it
    this.outputDriver = new ContinuousStage<Object>(this.new OutputImpl(), outputThreads, stageName + "-out",
            outputPeriod_ns);
    this.doneHandler = ((ContinuousStage<Object>) outputDriver).getDoneHandler();
    register = new ConcurrentSkipListMap<>();
    inputDone = false;
    this.inputObserver = this.new InputImpl();

    this.sleeping = new AtomicInteger();

    // there is no dependence from input finish to output start
    // The alternative placement of this event is in the first call to onNext,
    // but Output onNext already provides blocking
    outputDriver.onNext(new GrouperEvent());
}