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.gemstone.gemfire.cache.lucene.internal.filesystem.FileSystemJUnitTest.java

@Before
public void setUp() {
    fileRegion = new ConcurrentHashMap<String, File>();
    chunkRegion = new ConcurrentHashMap<ChunkKey, byte[]>();
    fileSystemStats = mock(FileSystemStats.class);
    system = new FileSystem(fileRegion, chunkRegion, fileSystemStats);
}

From source file:com.twitter.ambrose.hive.reporter.AmbroseHiveProgressReporter.java

private void init() {
    jobIdToProgress = new ConcurrentHashMap<String, Integer>();
    jobIdToNodeId = new ConcurrentHashMap<String, String>();
    jobs = new CopyOnWriteArrayList<Job>();
    completedJobIds = new CopyOnWriteArraySet<String>();
    totalMRJobs = 0;//  w w w . jav a 2 s. c o  m
    workflowVersion = null;
}

From source file:com.googlecode.jsfFlex.shared.tasks.TaskRunnerImpl.java

TaskRunnerImpl() {
    super();//from  w ww .java 2  s.c o m
    _tasks = new LinkedList<AbstractTask>();
    _queuedTasks = new ConcurrentHashMap<String, Future<Void>>();
}

From source file:ws.salient.session.Sessions.java

public Sessions(KnowledgeRepository repository, Profiles profiles, SessionStore store, Injector injector,
        ExecutorService commandExecutor, ExecutorService workItemExecutor) {

    this.injector = injector;

    this.store = store;

    // Set executors
    this.commandExecutor = commandExecutor;
    this.workItemExecutor = workItemExecutor;

    // Initialise singletons
    json = new ObjectMapper().configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false);

    // Load configuration
    this.profiles = profiles;

    this.repository = repository;
    repository.setRemoteRepositories(profiles.getRemoteRepositories());

    // Initialise caches
    sessions = new ConcurrentHashMap();

    // Persist queued items on shutdown
    Runtime.getRuntime().addShutdownHook(new Thread() {
        @Override/* www . j  a va2 s. c  om*/
        public void run() {
            shutdown();
        }
    });

}

From source file:io.seldon.api.state.zk.ZkClientConfigHandler.java

@Autowired
public ZkClientConfigHandler(ZkSubscriptionHandler handler) {
    this.handler = handler;
    this.newClientListeners = new ArrayList<>();
    this.listeners = new HashSet<>();
    this.clientsWithInitialConfig = new ConcurrentHashMap<>();
}

From source file:io.openmessaging.rocketmq.consumer.LocalMessageCache.java

LocalMessageCache(final DefaultMQPullConsumer rocketmqPullConsumer, final ClientConfig clientConfig) {
    consumeRequestCache = new LinkedBlockingQueue<>(clientConfig.getRmqPullMessageCacheCapacity());
    this.consumedRequest = new ConcurrentHashMap<>();
    this.pullOffsetTable = new ConcurrentHashMap<>();
    this.rocketmqPullConsumer = rocketmqPullConsumer;
    this.clientConfig = clientConfig;
    this.cleanExpireMsgExecutors = Executors
            .newSingleThreadScheduledExecutor(new ThreadFactoryImpl("OMS_CleanExpireMsgScheduledThread_"));
}

From source file:aidev.cocis.makerere.org.whiteflycounter.common.AgingCredentialsProvider.java

/**
 * Default constructor./*from   www  .  j  a  v a2  s  . co m*/
 */
public AgingCredentialsProvider(int expiryInterval) {
    super();
    this.credMap = new ConcurrentHashMap<AuthScope, Credentials>();
    this.expiryInterval = expiryInterval;
    nextClearTimestamp = System.currentTimeMillis() + expiryInterval;
}

From source file:io.github.minecraftgui.models.network.UserConnection.java

public UserConnection(NetworkController networkController, ArrayList<NetworkController.PluginInfo> pluginInfos,
        UUID uuid) {/* ww  w .j a va 2 s.c o m*/
    this.networkController = networkController;
    this.uuid = uuid;
    this.components = new ConcurrentHashMap<>();
    this.userGuis = new ConcurrentHashMap<>();
    this.fontsGenerate = new HashMap<>();
    this.fonts = new ArrayList<>();
    this.images = new HashMap<>();
    this.pluginInfos = pluginInfos;
    this.onGuiOpenListeners = new ConcurrentHashMap<>();
    this.onGuiCloseListeners = new ConcurrentHashMap<>();

    for (NetworkController.PluginInfo plugin : pluginInfos)
        userGuis.put(plugin.getName(), new UserGui(this));
}

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

public Application(String name) {
    this.name = StringCache.intern(name);
    instancesMap = new ConcurrentHashMap<String, InstanceInfo>();
    instances = new LinkedHashSet<InstanceInfo>();
}

From source file:io.seldon.clustering.recommender.jdo.JdoClusterFromReferrer.java

private void updateClusterMap() {
    PersistenceManager pm = JDOFactory.get().getPersistenceManager(client);
    if (pm != null) {
        Query query = pm.newQuery("javax.jdo.query.SQL", "select referrer,cluster from cluster_referrer");
        query.setResultClass(ClusterReferrer.class);
        List<ClusterReferrer> res = (List<ClusterReferrer>) query.execute();
        logger.info("Getting READ lock");
        lock.writeLock().lock();//from w  ww.j av a 2 s.  c  om
        try {
            ConcurrentHashMap<String, Integer> clusterMapNew = new ConcurrentHashMap<>();
            for (ClusterReferrer r : res) {
                logger.info("Updating cluster map for " + client + " with referrer:" + r.getReferrer()
                        + " cluster:" + r.getCluster());
                clusterMapNew.put(r.getReferrer(), r.getCluster());
            }

            clusterMap = clusterMapNew;
        } finally {
            lock.writeLock().unlock();
            logger.info("Released WRITE lock");
        }

    } else
        logger.error("Failed to get persistence manager for client " + client);
}