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(Map<? extends K, ? extends V> m) 

Source Link

Document

Creates a new map with the same mappings as the given map.

Usage

From source file:gridool.dht.impl.DefaultLocalDirectory.java

public DefaultLocalDirectory(@CheckForNull LockManager lockManger) {
    super(lockManger);
    this.map = new ConcurrentHashMap<String, BIndexFile>(16);
}

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From source file:ch.algotrader.service.AlgoOrderServiceImpl.java

public AlgoOrderServiceImpl(final OrderBook orderBook, final Engine serverEngine,
        final Map<Class<? extends AlgoOrder>, AlgoOrderExecService> algoExecServiceMap) {

    Validate.notNull(orderBook, "OpenOrderRegistry is null");
    Validate.notNull(serverEngine, "Engine is null");

    this.orderBook = orderBook;
    this.serverEngine = serverEngine;
    this.algoExecServiceMap = new ConcurrentHashMap<>(algoExecServiceMap);
}

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From source file:io.siddhi.service.impl.SiddhiApiServiceImpl.java

@Override
public Response siddhiArtifactDeployPost(String siddhiApp) throws NotFoundException {

    log.info("SiddhiApp = " + siddhiApp);
    String jsonString = new Gson().toString();
    try {//www . j  av  a2s.c o m
        SiddhiApp parsedSiddhiApp = SiddhiCompiler.parse(siddhiApp);
        String siddhiAppName = AnnotationHelper.getAnnotationElement(
                SiddhiServiceConstants.ANNOTATION_NAME_NAME, null, parsedSiddhiApp.getAnnotations()).getValue();
        if (!siddhiAppRunTimeMap.containsKey(siddhiApp)) {
            SiddhiAppConfiguration siddhiAppConfiguration = new SiddhiAppConfiguration();
            siddhiAppConfiguration.setName(siddhiAppName);
            siddhiAppConfigurationMap.put(siddhiAppName, siddhiAppConfiguration);

            SiddhiAppRuntime siddhiAppRuntime = siddhiManager.createSiddhiAppRuntime(siddhiApp);

            if (siddhiAppRuntime != null) {
                Set<String> streamNames = siddhiAppRuntime.getStreamDefinitionMap().keySet();
                Map<String, InputHandler> inputHandlerMap = new ConcurrentHashMap<>(streamNames.size());

                for (String streamName : streamNames) {
                    inputHandlerMap.put(streamName, siddhiAppRuntime.getInputHandler(streamName));
                }

                siddhiAppSpecificInputHandlerMap.put(siddhiAppName, inputHandlerMap);

                siddhiAppRunTimeMap.put(siddhiAppName, siddhiAppRuntime);
                siddhiAppRuntime.start();

                jsonString = new Gson().toJson(new ApiResponseMessage(ApiResponseMessage.OK,
                        "Siddhi app is deployed " + "and runtime is created"));
            }
        } else {
            jsonString = new Gson().toJson(new ApiResponseMessage(ApiResponseMessage.ERROR,
                    "There is a Siddhi app already " + "exists with same name"));
        }

    } catch (Exception e) {
        jsonString = new Gson().toJson(new ApiResponseMessage(ApiResponseMessage.ERROR, e.getMessage()));
    }

    return Response.ok().entity(jsonString).build();
}

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From source file:io.engine.EngineIO.java

public EngineIO query(Map<String, String> query) {
    this.query = new ConcurrentHashMap<String, String>(query);
    return this;
}

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From source file:com.twapime.app.util.AsyncImageLoader.java

/**
 * @param context/*from  www  .  j a v  a  2  s  .  c o  m*/
 */
private AsyncImageLoader(Context context) {
    this.context = context;
    //
    urlsBeingDownloaded = new Vector<String>();
    callbacks = new HashMap<String, List<ImageLoaderCallback>>();
    hardCache = new LinkedHashMap<String, Drawable>(HARD_CACHE_CAPACITY, 0.75f, true) {
        private static final long serialVersionUID = -4795168423098442895L;

        @Override
        protected boolean removeEldestEntry(LinkedHashMap.Entry<String, Drawable> eldest) {
            if (size() > HARD_CACHE_CAPACITY) {
                softCache.put(eldest.getKey(), new SoftReference<Drawable>(eldest.getValue()));
                //
                return true;
            } else
                return false;
        }
    };
    softCache = new ConcurrentHashMap<String, SoftReference<Drawable>>(HARD_CACHE_CAPACITY / 2);
    //
    loadCacheDir();
}

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From source file:gridool.dht.impl.BabuLSMTreeDirectory.java

public BabuLSMTreeDirectory(LockManager lockManager) {
    super(lockManager);
    File colDir = GridUtils.getIndexDir(true);
    String baseDir = colDir.getAbsolutePath();
    File workDir = GridUtils.getWorkDir(true);
    String dbLogDir = new File(workDir, "babudb_log").getAbsolutePath();
    int numThreads = 4;
    long maxLogFileSize = 1024 * 1024 * 512; // 512mb
    int checkInterval = 5 * 60; // 5 min
    SyncMode syncMode = SyncMode.ASYNC;/*from w  w w  . j  a  va 2  s . c om*/
    int pseudoSyncWait = 0;
    int maxQ = 1000;
    boolean compression = true;
    int maxNumRecordsPerBlock = 0;
    int maxBlockFileSize = 0;
    BabuDBConfig conf = new BabuDBConfig(baseDir, dbLogDir, numThreads, maxLogFileSize, checkInterval, syncMode,
            pseudoSyncWait, maxQ, compression, maxNumRecordsPerBlock, maxBlockFileSize);
    final BabuDB databaseSystem;
    try {
        databaseSystem = BabuDBFactory.createBabuDB(conf);
    } catch (BabuDBException e) {
        throw new IllegalStateException(e);
    }
    this.databaseSystem = databaseSystem;
    this.dbm = databaseSystem.getDatabaseManager();
    this.map = new ConcurrentHashMap<String, Database>(16);
}

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From source file:com.eharmony.services.swagger.persistence.FileDocumentationRepository.java

/**
 * Initializes documentation map by reading json file from file system.
 * @throws IOException Unable to load the file.
 *///  w w w. j  av  a 2 s. c  om
@PostConstruct
public void initializeDocumenationMap() throws IOException {
    if (StringUtils.isEmpty(this.fileLocation)) {
        this.fileLocation = DEFAULT_FILE_LOCATION;
    }
    documentationMap = new ConcurrentHashMap<>(readDocumentationFromFile());
}

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From source file:com.github.horrorho.inflatabledonkey.KeyBagManager.java

public KeyBagManager(BiFunction<HttpClient, String, Optional<KeyBag>> keyBagClient,
        Map<String, KeyBag> keyBagMap) {
    this.keyBagClient = Objects.requireNonNull(keyBagClient, "keyBagClient");
    this.keyBagMap = new ConcurrentHashMap<>(keyBagMap);
}

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From source file:com.netflix.config.ConcurrentMapConfiguration.java

public ConcurrentMapConfiguration(Map<String, Object> mapToCopy) {
    this();// w ww .java 2 s. c  o m
    map = new ConcurrentHashMap<String, Object>(mapToCopy);
}

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From source file:ConcurrentHashSet.java

/**
 * Constructs a new, empty set; the backing <tt>HashMap</tt> instance has the specified initial
 * capacity and default load factor, which is <tt>0.75</tt>.
 * // w  w  w  .  j a v  a 2  s. c o  m
 * @param initialCapacity
 *            the initial capacity of the hash table.
 * @throws IllegalArgumentException
 *             if the initial capacity is less than zero.
 */
public ConcurrentHashSet(int initialCapacity) {
    map = new ConcurrentHashMap<E, Object>(initialCapacity);
}

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