Example usage for java.util.concurrent ConcurrentHashMap ConcurrentHashMap

Introduction

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

Prototype

public ConcurrentHashMap()

Source Link

Document

Creates a new, empty map with the default initial table size (16).

Usage

From source file:com.kolich.pusachat.spring.beans.ChatRooms.java

@Override
public void afterPropertiesSet() throws Exception {
    chatRooms_ = new ConcurrentHashMap<UUID, ChatRoom>();
    // Reverse maps.
    keysToRooms_ = new ConcurrentHashMap<String, UUID>();
    roomsToKeys_ = new ConcurrentHashMap<UUID, String>();
    // Extract a configuration property that instructions how often
    // the chat room cleaner thread should wake up and remove "dead"
    // users from all of the rooms.
    final long removeInactiveUsersAfterMs = properties_.getRemoveInactiveAfter();
    // Setup a new thread factory builder.
    executor_ = newSingleThreadScheduledExecutor(
            new ThreadFactoryBuilder().setDaemon(true).setNameFormat("inactive-user-cleaner-%d").build());
    // Schedule a new cleaner at a "fixed" interval.
    executor_.scheduleAtFixedRate(new InactiveUserCleanerExecutor(this, removeInactiveUsersAfterMs), 0L, // initial delay
            removeInactiveUsersAfterMs, // repeat every
            MILLISECONDS); // units
}

From source file:com.netflix.discovery.shared.Application.java

public Application() {
    instances = new LinkedHashSet<InstanceInfo>();
    instancesMap = new ConcurrentHashMap<String, InstanceInfo>();
}

From source file:ai.grakn.engine.backgroundtasks.InMemoryTaskManager.java

private InMemoryTaskManager() {
    instantiatedTasks = new ConcurrentHashMap<>();
    stateStorage = InMemoryStateStorage.getInstance();
    stateUpdateLock = new ReentrantLock();

    ConfigProperties properties = ConfigProperties.getInstance();
    schedulingService = Executors.newScheduledThreadPool(1);
    executorService = Executors.newFixedThreadPool(properties.getAvailableThreads());
}

From source file:org.toobsframework.transformpipeline.domain.XSLUriResolverImpl.java

public void afterPropertiesSet() throws Exception {
    if (this.classpathBase == null) {
        this.classpathBase = new ArrayList<String>();
        this.classpathBase.add("xsl/");
    }//from w  w w.  ja  v a 2s . com
    if (this.contextBase == null) {
        this.contextBase = new ArrayList<String>();
        this.contextBase.add("/WEB-INF/xsl/");
    }
    sourceMap = new ConcurrentHashMap<String, URL>();
    sourceMap.put(COMPONENT_MANAGER_XSL, resolveClasspathResource(COMPONENT_MANAGER_XSL, ""));
    this.doReload = configuration.doReload();
}

From source file:iwein.samples.store.SimpleMessageStore.java

/**
 * Creates a SimpleMessageStore with a maximum size limited by the given capacity, or unlimited size if the given
 * capacity is less than 1. The capacities are applied independently to messages stored via
 * {@link #addMessage(Message)} and to those stored via {@link #addMessageToGroup(Object, Message)}. In both cases
 * the capacity applies to the number of messages that can be stored, and once that limit is reached attempting to
 * store another will result in an exception.
 *//* w w w . j a v  a 2  s .c  om*/
public SimpleMessageStore(int individualCapacity, int groupCapacity) {
    this.idToMessage = new ConcurrentHashMap<UUID, Message<?>>();
    this.correlationToMessageGroup = new ConcurrentHashMap<Object, SimpleMessageGroup>();
    this.individualUpperBound = new UpperBound(individualCapacity);
    this.groupUpperBound = new UpperBound(groupCapacity);
}

From source file:com.centeractive.ws.server.endpoint.GenericContextDomEndpoint.java

public GenericContextDomEndpoint() {
    this.services = new ConcurrentHashMap<String, RequestResponder>();
}

From source file:cn.org.eshow.framwork.http.AbRequestParams.java

/**
 * default boundary is auto generate {@link #getBoundary()}
 *///from w  ww .  ja  v  a  2s.  co m
public AbRequestParams() {
    super();
    boundary = getBoundary();
    urlParams = new ConcurrentHashMap<String, String>();
    fileParams = new ConcurrentHashMap<String, ContentBody>();
    multiPart = new MultipartEntity(HttpMultipartMode.STRICT, boundary, Charset.forName("UTF-8"));
}

From source file:com.clustercontrol.notify.action.GetNotify.java

/**
 * ???<BR>/*from ww w .j  av a 2 s.com*/
 * ??SessionBean????
 *
 * @return 
 */
private Map<String, List<NotifyInfo>> getNotifyList() {

    Map<String, List<NotifyInfo>> dispDataMap = new ConcurrentHashMap<>();
    List<NotifyInfo> records = null;
    for (String managerName : EndpointManager.getActiveManagerSet()) {
        try {
            NotifyEndpointWrapper wrapper = NotifyEndpointWrapper.getWrapper(managerName);
            records = wrapper.getNotifyList();
            dispDataMap.put(managerName, records);
        } catch (InvalidRole_Exception e) {
            MessageDialog.openInformation(null, Messages.getString("message"),
                    Messages.getString("message.accesscontrol.16"));
        } catch (Exception e) {
            m_log.warn("getNotifyList(), " + HinemosMessage.replace(e.getMessage()), e);
            MessageDialog.openError(null, Messages.getString("error"),
                    Messages.getString("message.hinemos.failure.unexpected") + ", "
                            + HinemosMessage.replace(e.getMessage()));

        }
    }
    return dispDataMap;
}

From source file:com.cjwagner.InfoSecPriv.ExtensionServer.java

private static void initializeLogStore() {

    System.out.println("Date: " + new Date().getTime());
    System.out.println("Initializing Log Store...");

    int fileLoadCount = 0;
    storeSize = 0;//  w  w w.  ja  v a  2s .  c o m
    logStore = new ConcurrentHashMap<String, LoggerMessage>();
    File dir = new File(logDir);
    dir.mkdir();

    File[] files = dir.listFiles();
    for (File file : files) {
        String fullName = file.getName();
        String ext = getExtension(fullName);
        String ip = rmvExtension(fullName);
        if (!ext.equals(logFileExt) || ip.length() == 0) {
            continue;
        }
        LoggerMessage data = null;
        try {
            System.out.println(file.toString());
            String json = FileUtils.readFileToString(file, null);
            data = LoggerMessage.fromJSON(json);
        } catch (Exception e) {
            System.out.println("Failed to parse file: " + fullName + "  ERROR: " + e.getMessage());
            continue;
        }
        //data is verified at this point
        LoggerMessage rec = logStore.get(ip);
        if (rec == null) {
            logStore.put(ip, data);
        } else {
            rec.getLogs().addAll(data.getLogs());
        }
        storeSize += data.getLogs().size();
        fileLoadCount++;
    }
    System.out.println(
            "Initialization complete.  Files loaded: " + fileLoadCount + "  Total logs loaded: " + storeSize);
}

From source file:com.weibo.api.motan.registry.support.LocalRegistryService.java

@Override
public void doSubscribe(URL url, NotifyListener listener) {

    String subscribeKey = getSubscribeKey(url);
    ConcurrentHashMap<URL, ConcurrentHashSet<NotifyListener>> urlListeners = subscribeListeners
            .get(subscribeKey);/*from   www  .  ja v a  2 s.  c  o  m*/
    if (urlListeners == null) {
        subscribeListeners.putIfAbsent(subscribeKey,
                new ConcurrentHashMap<URL, ConcurrentHashSet<NotifyListener>>());
        urlListeners = subscribeListeners.get(subscribeKey);
    }

    ConcurrentHashSet<NotifyListener> listeners = urlListeners.get(url);
    if (listeners == null) {
        urlListeners.putIfAbsent(url, new ConcurrentHashSet<NotifyListener>());
        listeners = urlListeners.get(url);
    }

    listeners.add(listener);

    List<URL> urls = discover(url);
    if (urls != null && urls.size() > 0) {
        listener.notify(getUrl(), urls);
    }

    LoggerUtil.info("LocalRegistryService subscribe: url={}", url);
}