Example usage for com.google.common.collect MapMaker MapMaker

Introduction

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

Prototype

public MapMaker() 

Source Link

Usage

From source file:org.apache.blur.server.cache.ThriftCache.java

public ThriftCache(long totalNumberOfBytes) {
    _attributeKeys = new MapMaker().weakKeys().makeMap();
    _shardsKeys = new MapMaker().weakKeys().makeMap();
    _hits = Metrics.newMeter(new MetricName(ORG_APACHE_BLUR, THRIFT_CACHE, HIT), HIT, TimeUnit.SECONDS);
    _misses = Metrics.newMeter(new MetricName(ORG_APACHE_BLUR, THRIFT_CACHE, MISS), MISS, TimeUnit.SECONDS);
    _evictions = Metrics.newMeter(new MetricName(ORG_APACHE_BLUR, THRIFT_CACHE, EVICTION), EVICTION,
            TimeUnit.SECONDS);//from  w w w. j a  va2  s.c o  m
    _cacheMap = new ConcurrentLinkedHashMap.Builder<ThriftCacheKey<?>, ThriftCacheValue<?>>()
            .weigher(new EntryWeigher<ThriftCacheKey<?>, ThriftCacheValue<?>>() {
                @Override
                public int weightOf(ThriftCacheKey<?> key, ThriftCacheValue<?> value) {
                    return key.size() + value.size();
                }
            }).listener(new EvictionListener<ThriftCacheKey<?>, ThriftCacheValue<?>>() {
                @Override
                public void onEviction(ThriftCacheKey<?> key, ThriftCacheValue<?> value) {
                    _evictions.mark();
                    _evictionsAtomicLong.incrementAndGet();
                }
            }).maximumWeightedCapacity(totalNumberOfBytes).build();
    _hitsAtomicLong = new AtomicLong();
    _missesAtomicLong = new AtomicLong();
    _evictionsAtomicLong = new AtomicLong();
    Metrics.newGauge(new MetricName(ORG_APACHE_BLUR, THRIFT_CACHE, SIZE), new Gauge<Long>() {
        @Override
        public Long value() {
            return _cacheMap.weightedSize();
        }
    });
    Metrics.newGauge(new MetricName(ORG_APACHE_BLUR, THRIFT_CACHE, COUNT), new Gauge<Long>() {
        @Override
        public Long value() {
            return (long) _cacheMap.size();
        }
    });
    Metrics.newGauge(new MetricName(ORG_APACHE_BLUR, THRIFT_CACHE_ATTRIBUTE_MAP, COUNT), new Gauge<Long>() {
        @Override
        public Long value() {
            return (long) _attributeKeys.size();
        }
    });
}

---

From source file:org.apache.flex.compiler.clients.problems.WorkspaceProblemFormatter.java

/**
 * Constructor./*from   w  ww  .ja  v  a2  s  . c  o  m*/
 * 
 * @param workspace workspace that contains files associated with specified 
 * problems.
 * @param problemCategorizer a class the categorizes problems into one of the
 * values in {@link CompilerProblemSeverity}. Adds "Error:" and "Warning:" into
 * the format of a problem. If null, the problem categories will not be added 
 * to the output. 
 */
public WorkspaceProblemFormatter(final Workspace workspace, CompilerProblemCategorizer problemCategorizer) {
    super();

    this.workspace = workspace;
    this.problemCategorizer = problemCategorizer;

    readers = new MapMaker().concurrencyLevel(1).softValues()
            .makeComputingMap(new Function<String, FileLineInfo>() {

                @Override
                public FileLineInfo apply(String fileName) {
                    return new FileLineInfo(fileName);
                }
            });
}

---

From source file:com.quinsoft.zeidon.standardoe.TaskImpl.java

TaskImpl(JavaObjectEngine objectEngine, Application app, String taskId) {
    super(app);/* ww w.  java2  s. c  o  m*/
    isValid = true;
    this.taskId = taskId;
    this.objectEngine = objectEngine;

    // Check to see if this is the system task.  It's ok to use '==' instead of .equals()
    // because we control the creation of the system task.
    isSystemTask = (taskId == ObjectEngine.ZEIDON_SYSTEM_APP_NAME);

    // viewList is a weak map.  This way we can get a list of views if necessary
    // (the browser needs this) but it won't hold onto views once they are no longer
    // in use.
    viewList = new MapMaker().concurrencyLevel(2).weakKeys().makeMap();
    viewNameList = new ViewNameList();
    description = this.taskId;

    String prefix = String.format(" [%4s] ", taskId);
    logger = new TaskLogger(prefix);
    dblogger = new TaskLogger(prefix);
    String logLevel = this.readZeidonConfig(app.getName(), "InitialLogLevel");
    if (!StringUtils.isBlank(logLevel)) {
        logger.setLevel(logLevel);
        dblogger.setLevel(logLevel);
    }

    log().info("Created new task for app %s, task ID = %s", app.getName(), taskId);
}

---

From source file:com.wareninja.opensource.droidfu.cachefu.AbstractCache.java

/**
 * Creates a new cache instance./*from   w  w w. j a  v a  2s. com*/
 * 
 * @param name
 *            a human readable identifier for this cache. Note that this value will be used to
 *            derive a directory name if the disk cache is enabled, so don't get too creative
 *            here (camel case names work great)
 * @param initialCapacity
 *            the initial element size of the cache
 * @param expirationInMinutes
 *            time in minutes after which elements will be purged from the cache (NOTE: this
 *            only affects the memory cache, the disk cache does currently NOT handle element
 *            TTLs!)
 * @param maxConcurrentThreads
 *            how many threads you think may at once access the cache; this need not be an exact
 *            number, but it helps in fragmenting the cache properly
 */
public AbstractCache(String name, int initialCapacity, long expirationInMinutes, int maxConcurrentThreads) {

    this.name = name;

    MapMaker mapMaker = new MapMaker();
    mapMaker.initialCapacity(initialCapacity);
    mapMaker.expiration(expirationInMinutes * 60, TimeUnit.SECONDS);
    mapMaker.concurrencyLevel(maxConcurrentThreads);
    mapMaker.softValues();
    this.cache = mapMaker.makeMap();
}

---

From source file:org.apache.giraph.edge.AbstractEdgeStore.java

/**
 * Constructor./*from   w  w w.ja  va2  s . co  m*/
 *
 * @param service Service worker
 * @param configuration Configuration
 * @param progressable Progressable
 */
public AbstractEdgeStore(CentralizedServiceWorker<I, V, E> service,
        ImmutableClassesGiraphConfiguration<I, V, E> configuration, Progressable progressable) {
    this.service = service;
    this.configuration = configuration;
    this.progressable = progressable;
    transientEdges = new MapMaker().concurrencyLevel(configuration.getNettyServerExecutionConcurrency())
            .makeMap();
    reuseEdgeObjects = configuration.reuseEdgeObjects();
    useInputOutEdges = configuration.useInputOutEdges();
}

---

From source file:org.apache.giraph.edge.EdgeStore.java

/**
 * Add edges belonging to a given partition on this worker.
 * Note: This method is thread-safe.//from   ww  w .  jav a  2 s  .  c o  m
 *
 * @param partitionId Partition id for the incoming edges.
 * @param edges Incoming edges
 */
public void addPartitionEdges(int partitionId, ByteArrayVertexIdEdges<I, E> edges) {
    ConcurrentMap<I, OutEdges<I, E>> partitionEdges = transientEdges.get(partitionId);
    if (partitionEdges == null) {
        ConcurrentMap<I, OutEdges<I, E>> newPartitionEdges = new MapMaker()
                .concurrencyLevel(configuration.getNettyServerExecutionConcurrency()).makeMap();
        partitionEdges = transientEdges.putIfAbsent(partitionId, newPartitionEdges);
        if (partitionEdges == null) {
            partitionEdges = newPartitionEdges;
        }
    }
    ByteArrayVertexIdEdges<I, E>.VertexIdEdgeIterator vertexIdEdgeIterator = edges.getVertexIdEdgeIterator();
    while (vertexIdEdgeIterator.hasNext()) {
        vertexIdEdgeIterator.next();
        I vertexId = vertexIdEdgeIterator.getCurrentVertexId();
        Edge<I, E> edge = reuseEdgeObjects ? vertexIdEdgeIterator.getCurrentEdge()
                : vertexIdEdgeIterator.releaseCurrentEdge();
        OutEdges<I, E> outEdges = partitionEdges.get(vertexId);
        if (outEdges == null) {
            OutEdges<I, E> newOutEdges = configuration.createAndInitializeInputOutEdges();
            outEdges = partitionEdges.putIfAbsent(vertexId, newOutEdges);
            if (outEdges == null) {
                outEdges = newOutEdges;
                // Since we had to use the vertex id as a new key in the map,
                // we need to release the object.
                vertexIdEdgeIterator.releaseCurrentVertexId();
            }
        }
        synchronized (outEdges) {
            outEdges.add(edge);
        }
    }
}

---

From source file:net.minecrell.serverlistplus.core.player.JSONIdentificationStorage.java

@Override
public synchronized void enable() throws ServerListPlusException {
    if (isEnabled())
        return;/*from w  w  w  .  j a va2s  .c  om*/

    getLogger().log(INFO, "Reloading saved player identities...");
    Path storagePath = getStoragePath();
    getLogger().log(DEBUG, "Storage location: " + storagePath);

    this.storage = new MapMaker().makeMap();

    try {
        if (Files.exists(storagePath)) {
            Map<InetAddress, PlayerIdentity> identities;

            try (Reader reader = IOHelper.newBufferedReader(storagePath)) {
                identities = JSON.fromJson(reader, STORAGE_TYPE);
            }

            if (identities != null)
                storage.putAll(identities);
        }

        getLogger().log(DEBUG, "Player identities successfully reloaded from file.");
    } catch (JsonSyntaxException e) {
        throw getLogger().process(e, "Unable to parse player storage, have you changed it?");
    } catch (IOException | JsonIOException e) {
        throw getLogger().process(e,
                "Unable to read player storage, make sure it is accessible by the " + "server");
    } catch (Exception e) {
        throw getLogger().process(e, "Failed to load player storage.");
    }

    changed.set(false);

    TimeUnitValue delay = ((Conf) core.getConf(PluginConf.class).PlayerTracking.Storage).SaveDelay;
    this.saveTask = core.getPlugin().scheduleAsync(new SaveTask(), delay.getValue(), delay.getUnit());
}

---

From source file:com.voxelplugineering.voxelsniper.service.eventbus.AsyncEventBus.java

@Override
public void _init() {
    if (this.built) {
        return;/*from w w  w .  j  av  a  2 s.  co m*/
    }
    this.registry = new MapMaker().concurrencyLevel(4).makeMap();
    if (!this.explicitExecutor) {
        final String prefix = this.config.get("eventBusThreadPrefix", String.class)
                .or("AsyncEventBus-executor-");
        this.executor = MoreExecutors.listeningDecorator(Executors.newCachedThreadPool(new ThreadFactory() {

            private final ThreadGroup group;
            private int count;

            {
                this.group = Thread.currentThread().getThreadGroup();
            }

            @Override
            public Thread newThread(Runnable r) {
                Thread thr = new Thread(this.group, r, prefix + this.count++);
                return thr;
            }
        }));
    }
    this.built = true;
}

---

From source file:com.boardhood.mobile.cache.AbstractCache.java

/**
 * Creates a new cache instance.//from w w  w .  j a  v  a 2s  . co m
 * 
 * @param name
 *            a human readable identifier for this cache. Note that this value will be used to
 *            derive a directory name if the disk cache is enabled, so don't get too creative
 *            here (camel case names work great)
 * @param initialCapacity
 *            the initial element size of the cache
 * @param maxConcurrentThreads
 *            how many threads you think may at once access the cache; this need not be an exact
 *            number, but it helps in fragmenting the cache properly
 */
public AbstractCache(String name, int initialCapacity, int maxConcurrentThreads) {
    this.name = name;
    MapMaker mapMaker = new MapMaker();
    mapMaker.initialCapacity(initialCapacity);
    mapMaker.concurrencyLevel(maxConcurrentThreads);
    mapMaker.softValues();
    this.cache = mapMaker.makeMap();
}

---

From source file:com.yelp.android.webimageview.ImageCache.java

public ImageCache(Context context, int initialCapacity, int concurrencyLevel) {
    mContext = context;// w  ww  .j  a v  a  2 s.c  o  m
    this.mCache = new MapMaker().initialCapacity(initialCapacity).concurrencyLevel(concurrencyLevel)
            .softValues().makeMap();
    this.mPermanentCacheDir = new File(
            context.getApplicationContext().getCacheDir().getAbsolutePath() + "/permanent_images");
    this.mInternalCacheDir = new File(context.getApplicationContext().getCacheDir() + "/droidfu/imagecache");
    updateExternalStorageState(context);
    registerForExternalStorageUpdates(context);
}

---

• «
• 1
• 2
• 3
• 4
• 5
• 6
• 7
• 8
• 9
• 10
• 11
• 12
• 13
• 14
• 15
• 16
• 17
• 18
• 19
• 20
• 21
• 22
• 23
• 24
• 25
• 26
• 27
• 28
• 29
• »