Example usage for com.google.common.collect Sets newConcurrentHashSet

Introduction

In this page you can find the example usage for com.google.common.collect Sets newConcurrentHashSet.

Prototype

public static <E> Set<E> newConcurrentHashSet()

Source Link

Document

Creates a thread-safe set backed by a hash map.

Usage

From source file:org.apache.cassandra.castorture.Torturer.java

public static void main(String[] args) {
    OptionSet options = parseOptions(args);

    int numElements = (Integer) options.valueOf("n");
    int numUpdaters = (Integer) options.valueOf("c");
    int retries = (Integer) options.valueOf("r");
    String ip = (String) options.valueOf("ip");

    System.out.println("Initializing CAS Torture...");
    System.out.println("Elements to add: " + numElements);
    System.out.println("Number of concurrent updaters: " + numUpdaters);
    System.out.println("Maximum retries per element: " + retries);
    System.out.println("Initial node ip: " + ip);
    System.out.println();//from   w  ww .j  a  v  a  2s .  c om

    Queue<Integer> queue = new ConcurrentLinkedDeque<>();
    for (int i = 0; i < numElements; i++)
        queue.add(i);

    try {
        Cluster cluster = new Cluster.Builder().addContactPoints(ip).build();
        Session session = cluster.connect();

        PreparedStatement update = setup(session);

        Set<Integer> acked = Sets.newConcurrentHashSet();

        List<Updater> updaters = new ArrayList<>(numUpdaters);
        for (int i = 0; i < numUpdaters; i++)
            updaters.add(new Updater(session, update, queue, acked, retries));

        long start = System.currentTimeMillis();

        for (Updater updater : updaters)
            updater.start();

        for (Updater updater : updaters)
            updater.join();

        System.out.println("\nCollecting results.");
        Set<Integer> survived = collectSurvived(session);
        System.out.println(survived);
        long delta = System.currentTimeMillis() - start;
        System.out.println("Writes completed in " + delta / 1000.0 + " seconds\n");

        printReport(numElements, acked, collectSurvived(session));

        System.exit(0);
    } catch (NoHostAvailableException e) {
        System.err.println("No alive hosts to use: " + e.getMessage());
        System.exit(1);
    } catch (Exception e) {
        System.err.println("Unexpected error: " + e.getMessage());
        e.printStackTrace();
        System.exit(1);
    }
}

From source file:components.execution.UniqueBlockingQueue.java

public UniqueBlockingQueue(SimpleBlockingQueue<T> queue) {
    set = Sets.newConcurrentHashSet();
    this.queue = queue;
}

From source file:io.atomix.core.set.impl.DefaultDistributedSetService.java

public DefaultDistributedSetService() {
    super(DistributedSetType.instance(), Sets.newConcurrentHashSet());
}

From source file:com.rh.consulting.twitterroute.CamelRunner.java

public CamelRunner() {
    routesBuilders = Sets.newConcurrentHashSet();
}

From source file:org.apache.druid.client.SegmentLoadInfo.java

public SegmentLoadInfo(DataSegment segment) {
    Preconditions.checkNotNull(segment, "segment");
    this.segment = segment;
    this.servers = Sets.newConcurrentHashSet();
}

From source file:org.onosproject.ovsdbrest.OvsdbNodeConfig.java

public Set<OvsdbNode> getNodes() {
    Set<OvsdbNode> nodes = Sets.newConcurrentHashSet();

    JsonNode jsnoNodes = object.path(NODES);
    jsnoNodes.forEach(node -> {//from w ww .j a  va 2  s  .  c  o  m
        IpAddress ovsdbIp = IpAddress.valueOf(node.path(OVSDB_IP).textValue());
        TpPort port = TpPort.tpPort(Integer.parseInt(node.path(OVSDB_PORT).asText()));
        log.info("Ovsdb port: " + port.toString());
        nodes.add(new OvsdbNode(ovsdbIp, port));
    });
    return nodes;
}

From source file:com.facebook.buck.io.watchman.WatchmanDiagnosticEventListener.java

public WatchmanDiagnosticEventListener(BuckEventBus outputEventBus) {
    this(outputEventBus, Sets.newConcurrentHashSet());
}

From source file:org.apache.james.mailrepository.memory.MemoryMailRepositoryUrlStore.java

public MemoryMailRepositoryUrlStore() {
    urls = Sets.newConcurrentHashSet();
}

From source file:com.mongodb.FakeDB.java

@Override
public Set<String> getCollectionNames() {
    return Sets.newConcurrentHashSet();
}

From source file:org.apache.streams.verbs.VerbDefinitionResolver.java

public List<VerbDefinition> matchingVerbDefinitions(Activity activity) {

    Set<VerbDefinition> matches = Sets.newConcurrentHashSet();

    for (VerbDefinition verbDefinition : verbDefinitionSet) {
        VerbDefinition verbDefinitionCopy = SerializationUtil.cloneBySerialization(verbDefinition);
        if (activity.getVerb().equals(verbDefinition.getValue())) {
            for (ObjectCombination criteria : verbDefinitionCopy.getObjects()) {
                if (filter(activity, criteria) == false) {
                    verbDefinitionCopy.getObjects().remove(criteria);
                }// w  w w  .  j  av a2  s  .c o m
            }
            if (verbDefinitionCopy.getObjects().size() > 0)
                matches.add(verbDefinitionCopy);
        }
    }

    return Lists.newArrayList(matches);

}