Example usage for com.google.common.collect Maps newConcurrentMap

List of usage examples for com.google.common.collect Maps newConcurrentMap

  1. HOME
  2. Java
  3. com.google.common
  4. com.google.common.collect.*
  5. Maps
  6. newConcurrentMap

Introduction

In this page you can find the example usage for com.google.common.collect Maps newConcurrentMap.

Prototype

public static <K, V> ConcurrentMap<K, V> newConcurrentMap()

Source Link

Document

Returns a general-purpose instance of ConcurrentMap , which supports all optional operations of the ConcurrentMap interface.

Usage

From source file:interactivespaces.util.data.dynamic.InterfaceMap.java

/**
 * Create a new instance of the given class with an empty backing map.
 *
 * @param interfaceClass//w ww .j av a  2s.c om
 *          class of object to create
 * @param <T>
 *          type of object
 *
 * @return new dynamic object instance with empty backing map
 */
public static <T> T createInstance(Class<T> interfaceClass) {
    Map<String, Object> backingMap = Maps.newConcurrentMap();
    return createInstance(interfaceClass, backingMap);
}

From source file:org.glowroot.agent.plugin.servlet.ResponseHeaderComponent.java

synchronized void addHeader(String name, Object value) {
    if (responseHeaders == null) {
        responseHeaders = Maps.newConcurrentMap();
    }/*from   ww  w .j  a v  a  2s  .c  o m*/
    String nameUpper = name.toUpperCase(Locale.ENGLISH);
    ResponseHeader responseHeader = responseHeaders.get(nameUpper);
    if (responseHeader == null) {
        responseHeaders.put(nameUpper, new ResponseHeader(name, value));
    } else {
        responseHeader.addValue(value);
    }
}

From source file:org.onosproject.reactive.routing.ReactiveRoutingFib.java

/**
 * Class constructor./*from  w  w  w  .  j ava 2 s . c om*/
 *
 * @param appId application ID to use to generate intents
 * @param hostService host service
 * @param configService routing configuration service
 * @param interfaceService interface service
 * @param intentSynchronizer intent synchronization service
 */
public ReactiveRoutingFib(ApplicationId appId, HostService hostService,
        RoutingConfigurationService configService, InterfaceService interfaceService,
        IntentSynchronizationService intentSynchronizer) {
    this.appId = appId;
    this.hostService = hostService;
    this.configService = configService;
    this.interfaceService = interfaceService;
    this.intentSynchronizer = intentSynchronizer;

    routeIntents = Maps.newConcurrentMap();
}

From source file:org.zenoss.zep.index.impl.MultiBackendEventIndexDao.java

public MultiBackendEventIndexDao(String name, EventSummaryBaseDao eventDao, WorkQueueBuilder queueBuilder,
        KeyValueStore store, Messages messages, TaskScheduler scheduler, UUIDGenerator uuidGenerator) {
    super(name, messages, scheduler, uuidGenerator);
    this.store = store;
    this.eventDao = eventDao;
    this.queueBuilder = queueBuilder;
    backends = Maps.newLinkedHashMap();/*from  w ww  .j  ava 2  s.co  m*/
    workQueues = Maps.newConcurrentMap();
    workers = Maps.newConcurrentMap();
    rebuilders = Maps.newConcurrentMap();
    initialBackendConfigurations = Lists.newArrayList();
}

From source file:org.apache.giraph.partition.SimplePartition.java

@Override
public void readFields(DataInput input) throws IOException {
    super.readFields(input);
    if (USE_OUT_OF_CORE_MESSAGES.get(getConf())) {
        vertexMap = new ConcurrentSkipListMap<I, Vertex<I, V, E, M>>();
    } else {/*from  www . j av  a2s .  co  m*/
        vertexMap = Maps.newConcurrentMap();
    }
    int vertices = input.readInt();
    for (int i = 0; i < vertices; ++i) {
        progress();
        Vertex<I, V, E, M> vertex = WritableUtils.readVertexFromDataInput(input, getConf());
        if (vertexMap.put(vertex.getId(), vertex) != null) {
            throw new IllegalStateException("readFields: " + this + " already has same id " + vertex);
        }
    }
}

From source file:org.eclipse.milo.opcua.stack.core.application.DirectoryCertificateValidator.java

public DirectoryCertificateValidator(File baseDir) throws IOException {
    this.baseDir = baseDir;
    ensureDirectoryExists(baseDir);//ww w.jav a  2  s  .c  o  m

    issuerDir = baseDir.toPath().resolve("issuers").toFile();
    ensureDirectoryExists(issuerDir);

    issuerCertsDir = issuerDir.toPath().resolve("certs").toFile();
    ensureDirectoryExists(issuerCertsDir);

    issuerCrlsDir = issuerDir.toPath().resolve("crls").toFile();
    ensureDirectoryExists(issuerCrlsDir);

    trustedDir = baseDir.toPath().resolve("trusted").toFile();
    ensureDirectoryExists(trustedDir);

    trustedCertsDir = trustedDir.toPath().resolve("certs").toFile();
    ensureDirectoryExists(trustedCertsDir);

    rejectedDir = baseDir.toPath().resolve("rejected").toFile();
    ensureDirectoryExists(rejectedDir);

    watchService = FileSystems.getDefault().newWatchService();

    Map<WatchKey, Runnable> watchKeys = Maps.newConcurrentMap();

    watchKeys.put(
            issuerCertsDir.toPath().register(watchService, StandardWatchEventKinds.ENTRY_CREATE,
                    StandardWatchEventKinds.ENTRY_DELETE, StandardWatchEventKinds.ENTRY_MODIFY),
            this::synchronizeIssuerCerts);
    watchKeys.put(
            issuerCrlsDir.toPath().register(watchService, StandardWatchEventKinds.ENTRY_CREATE,
                    StandardWatchEventKinds.ENTRY_DELETE, StandardWatchEventKinds.ENTRY_MODIFY),
            this::synchronizeIssuerCrls);
    watchKeys.put(
            trustedCertsDir.toPath().register(watchService, StandardWatchEventKinds.ENTRY_CREATE,
                    StandardWatchEventKinds.ENTRY_DELETE, StandardWatchEventKinds.ENTRY_MODIFY),
            this::synchronizeTrustedCerts);

    watchThread = new Thread(new Watcher(watchService, watchKeys));
    watchThread.setName("certificate-store-watcher");
    watchThread.setDaemon(true);
    watchThread.start();

    synchronizeIssuerCerts();
    synchronizeIssuerCrls();
    synchronizeTrustedCerts();
}

From source file:com.dtstack.jlogstash.classloader.JarClassLoader.java

private Map<String, URL[]> getClassLoadJarUrls(File dir) throws MalformedURLException, IOException {
    String dirName = dir.getName();
    Map<String, URL[]> jurls = Maps.newConcurrentMap();
    File[] files = dir.listFiles();
    if (files != null && files.length > 0) {
        for (File f : files) {
            String jarName = f.getName();
            if (f.isFile() && jarName.endsWith(".jar")) {
                jarName = jarName.split("-")[0].toLowerCase();
                String[] jns = jarName.split("\\.");
                jurls.put(String.format("%s:%s", dirName, jns.length == 0 ? jarName : jns[jns.length - 1]),
                        new URL[] { f.toURI().toURL() });
            }//from  ww w . j  av  a2 s.  c o m
        }
    }
    return jurls;
}

From source file:org.apache.hive.spark.client.RemoteDriver.java

private RemoteDriver(String[] args) throws Exception {
    this.activeJobs = Maps.newConcurrentMap();
    this.jcLock = new Object();
    this.shutdownLock = new Object();
    localTmpDir = Files.createTempDir();

    SparkConf conf = new SparkConf();
    String serverAddress = null;/* w  w w. java2s  .  c o  m*/
    int serverPort = -1;
    for (int idx = 0; idx < args.length; idx += 2) {
        String key = args[idx];
        if (key.equals("--remote-host")) {
            serverAddress = getArg(args, idx);
        } else if (key.equals("--remote-port")) {
            serverPort = Integer.parseInt(getArg(args, idx));
        } else if (key.equals("--client-id")) {
            conf.set(SparkClientFactory.CONF_CLIENT_ID, getArg(args, idx));
        } else if (key.equals("--secret")) {
            conf.set(SparkClientFactory.CONF_KEY_SECRET, getArg(args, idx));
        } else if (key.equals("--conf")) {
            String[] val = getArg(args, idx).split("[=]", 2);
            conf.set(val[0], val[1]);
        } else {
            throw new IllegalArgumentException("Invalid command line: " + Joiner.on(" ").join(args));
        }
    }

    executor = Executors.newCachedThreadPool();

    LOG.info("Connecting to: {}:{}", serverAddress, serverPort);

    Map<String, String> mapConf = Maps.newHashMap();
    for (Tuple2<String, String> e : conf.getAll()) {
        mapConf.put(e._1(), e._2());
        LOG.debug("Remote Driver configured with: " + e._1() + "=" + e._2());
    }

    String clientId = mapConf.get(SparkClientFactory.CONF_CLIENT_ID);
    Preconditions.checkArgument(clientId != null, "No client ID provided.");
    String secret = mapConf.get(SparkClientFactory.CONF_KEY_SECRET);
    Preconditions.checkArgument(secret != null, "No secret provided.");

    int threadCount = new RpcConfiguration(mapConf).getRpcThreadCount();
    this.egroup = new NioEventLoopGroup(threadCount,
            new ThreadFactoryBuilder().setNameFormat("Driver-RPC-Handler-%d").setDaemon(true).build());
    this.protocol = new DriverProtocol();

    // The RPC library takes care of timing out this.
    this.clientRpc = Rpc.createClient(mapConf, egroup, serverAddress, serverPort, clientId, secret, protocol)
            .get();
    this.running = true;

    this.clientRpc.addListener(new Rpc.Listener() {
        @Override
        public void rpcClosed(Rpc rpc) {
            LOG.warn("Shutting down driver because RPC channel was closed.");
            shutdown(null);
        }
    });

    try {
        JavaSparkContext sc = new JavaSparkContext(conf);
        sc.sc().addSparkListener(new ClientListener());
        synchronized (jcLock) {
            jc = new JobContextImpl(sc, localTmpDir);
            jcLock.notifyAll();
        }
    } catch (Exception e) {
        LOG.error("Failed to start SparkContext: " + e, e);
        shutdown(e);
        synchronized (jcLock) {
            jcLock.notifyAll();
        }
        throw e;
    }

    synchronized (jcLock) {
        for (Iterator<JobWrapper<?>> it = jobQueue.iterator(); it.hasNext();) {
            it.next().submit();
        }
    }
}

From source file:oculus.aperture.cms.couchdb.CouchDbCmsService.java

CouchDbCmsService() {
    dbClientsByDbName = Maps.newConcurrentMap();
}

From source file:com.google.gerrit.server.plugins.PluginLoader.java

@Inject
public PluginLoader(SitePaths sitePaths, PluginGuiceEnvironment pe, ServerInformationImpl sii,
        PluginUser.Factory puf, Provider<PluginCleanerTask> pct, @GerritServerConfig Config cfg) {
    pluginsDir = sitePaths.plugins_dir;/*from  ww w.j  av a 2  s .co m*/
    dataDir = sitePaths.data_dir;
    tmpDir = sitePaths.tmp_dir;
    env = pe;
    srvInfoImpl = sii;
    pluginUserFactory = puf;
    running = Maps.newConcurrentMap();
    disabled = Maps.newConcurrentMap();
    broken = Maps.newHashMap();
    toCleanup = Queues.newArrayDeque();
    cleanupHandles = Maps.newConcurrentMap();
    cleaner = pct;

    long checkFrequency = ConfigUtil.getTimeUnit(cfg, "plugins", null, "checkFrequency",
            TimeUnit.MINUTES.toMillis(1), TimeUnit.MILLISECONDS);
    if (checkFrequency > 0) {
        scanner = new PluginScannerThread(this, checkFrequency);
    } else {
        scanner = null;
    }
}