Example usage for com.google.common.util.concurrent ThreadFactoryBuilder ThreadFactoryBuilder

Introduction

In this page you can find the example usage for com.google.common.util.concurrent ThreadFactoryBuilder ThreadFactoryBuilder.

Prototype

public ThreadFactoryBuilder() 

Source Link

Document

Creates a new ThreadFactory builder.

Usage

From source file:org.apache.bookkeeper.clients.utils.ClientResources.java

private ClientResources() {
    this.scheduler = new Resource<OrderedScheduler>() {

        private static final String name = "client-scheduler";

        @Override/*from  www  . j a v  a  2  s. com*/
        public OrderedScheduler create() {
            return OrderedScheduler.newSchedulerBuilder()
                    .numThreads(Runtime.getRuntime().availableProcessors() * 2).name(name).build();
        }

        @Override
        public void close(OrderedScheduler instance) {
            instance.shutdown();
        }

        @Override
        public String toString() {
            return name;
        }
    };

    this.timer = new Resource<HashedWheelTimer>() {

        private static final String name = "client-timer";

        @Override
        public HashedWheelTimer create() {
            HashedWheelTimer timer = new HashedWheelTimer(
                    new ThreadFactoryBuilder().setNameFormat(name + "-%d").build(), 200, TimeUnit.MILLISECONDS,
                    512, true);
            timer.start();
            return timer;
        }

        @Override
        public void close(HashedWheelTimer instance) {
            instance.stop();
        }

        @Override
        public String toString() {
            return name;
        }
    };

    this.executor = new Resource<ExecutorService>() {

        private static final String name = "stream-client-executor";

        @Override
        public ExecutorService create() {
            return Executors.newFixedThreadPool(Runtime.getRuntime().availableProcessors() * 2);
        }

        @Override
        public void close(ExecutorService instance) {
            instance.shutdown();
        }

        @Override
        public String toString() {
            return name;
        }
    };
}

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From source file:com.dragovorn.dragonbot.api.bot.plugin.BotPlugin.java

public ExecutorService getExecutorService() {
    if (this.executorService == null) {
        String name = (this.info == null) ? "unknown" : this.info.getName();
        this.executorService = Executors
                .newCachedThreadPool(new ThreadFactoryBuilder().setNameFormat(name + " Pool Thread #%1$d")
                        .setThreadFactory(new GroupedThreadFactory(this, name)).build());
    }//w w  w  .j av  a2  s  .c  om

    return this.executorService;
}

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From source file:org.graylog2.radio.Radio.java

public Radio() {
    buffer = new Buffer(this);

    inputThreadPool = Executors/*from  w  w w  . j a  va2  s  . co m*/
            .newCachedThreadPool(new ThreadFactoryBuilder().setNameFormat("inputs-%d").build());
}

---

From source file:org.eclipse.che.plugin.maven.server.core.MavenClassPathBuilder.java

@Inject
public MavenClassPathBuilder(ProjectManager projectManager,
        MavenClasspathContainerInitializer containerInitializer) {
    this.projectManager = projectManager;

    ThreadFactory threadFactory = new ThreadFactoryBuilder()
            .setNameFormat(MavenClassPathBuilder.class.getSimpleName() + "-%d").build();

    executorService = Executors.newFixedThreadPool(5, threadFactory);
}

---

From source file:com.cloudera.oryx.kmeans.computation.local.WeightedPointsByFold.java

@Override
public List<List<WeightedRealVector>> call() throws InterruptedException, ExecutionException {
    Config config = ConfigUtils.getDefaultConfig();
    ClusterSettings cluster = ClusterSettings.create(config);
    KSketchIndex index = buildIndex(foldVecs, cluster);
    int pointsPerIteration = cluster.getSketchPoints();
    RandomGenerator random = RandomManager.getRandom();

    ListeningExecutorService exec = MoreExecutors
            .listeningDecorator(Executors.newFixedThreadPool(config.getInt("model.parallelism"),
                    new ThreadFactoryBuilder().setNameFormat("KSKETCH-%d").setDaemon(true).build()));
    for (int iter = 0; iter < cluster.getSketchIterations(); iter++) {
        log.info("Starting sketch iteration {}", iter + 1);
        List<ListenableFuture<Collection<RealVector>>> futures = Lists.newArrayList();
        for (int foldId = 0; foldId < foldVecs.size(); foldId++) {
            futures.add(exec//w ww. j a  va 2  s . c  o m
                    .submit(new SamplingRun(index, random, foldId, foldVecs.get(foldId), pointsPerIteration)));
        }
        // At the end of each iteration, gather up the sampled points to add to the index
        Future<List<Collection<RealVector>>> all = Futures.allAsList(futures);
        try {
            List<Collection<RealVector>> newSamples = all.get();
            for (int foldId = 0; foldId < foldVecs.size(); foldId++) {
                for (RealVector v : newSamples.get(foldId)) {
                    index.add(v, foldId);
                }
            }
        } catch (ExecutionException e) {
            ExecutorUtils.shutdownNowAndAwait(exec);
            all.cancel(true);
            throw e;
        }
        index.rebuildIndices();
    }

    List<ListenableFuture<List<WeightedRealVector>>> ret = Lists.newArrayList();
    for (int foldId = 0; foldId < foldVecs.size(); foldId++) {
        ret.add(exec.submit(new AssignmentRun(index, foldId, foldVecs.get(foldId))));
    }
    try {
        return Futures.allAsList(ret).get();
    } finally {
        ExecutorUtils.shutdownNowAndAwait(exec);
    }
}

---

From source file:com.kolich.curacao.util.AsyncServletExecutorServiceFactory.java

public final ExecutorService build() {
    final ThreadFactoryBuilder builder = new ThreadFactoryBuilder();
    if (threadNameFormat_ != null) {
        builder.setNameFormat(threadNameFormat_);
    }/*w  w  w  .j ava 2 s.  co  m*/
    if (priority_ != null) {
        builder.setPriority(priority_);
    }
    if (useDaemon_ != null) {
        builder.setDaemon(useDaemon_);
    }
    return (size_ > 0) ?
    // Fixed sized thread pool (no more than N-threads).
            newFixedThreadPool(size_, builder.build()) :
            // Unbounded thread pool, will grow as needed.
            newCachedThreadPool(builder.build());
}

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From source file:io.airlift.drift.transport.netty.ConnectionPool.java

public ConnectionPool(ConnectionManager connectionFactory, EventLoopGroup group,
        DriftNettyClientConfig config) {
    this.connectionFactory = connectionFactory;
    this.group = requireNonNull(group, "group is null");
    requireNonNull(config, "config is null");

    // todo from config
    cachedConnections = CacheBuilder.newBuilder().maximumSize(100).expireAfterAccess(10, TimeUnit.MINUTES)
            .<HostAndPort, Future<Channel>>removalListener(
                    notification -> closeConnection(notification.getValue()))
            .build(new CacheLoader<HostAndPort, Future<Channel>>() {
                @Override//w w w  . j  a  va 2 s . co  m
                public Future<Channel> load(HostAndPort address) throws Exception {
                    return createConnection(address);
                }
            });

    maintenanceThread = newSingleThreadScheduledExecutor(new ThreadFactoryBuilder()
            .setNameFormat("drift-connection-maintenance-%s").setDaemon(true).build());

    maintenanceThread.scheduleWithFixedDelay(cachedConnections::cleanUp, 1, 1, TimeUnit.SECONDS);
}

---

From source file:org.apache.hadoop.io.ReadaheadPool.java

private ReadaheadPool() {
    pool = new ThreadPoolExecutor(POOL_SIZE, MAX_POOL_SIZE, 3L, TimeUnit.SECONDS,
            new ArrayBlockingQueue<Runnable>(CAPACITY));
    pool.setRejectedExecutionHandler(new ThreadPoolExecutor.DiscardOldestPolicy());
    pool.setThreadFactory(//  w ww.  j  a v a2  s .co m
            new ThreadFactoryBuilder().setDaemon(true).setNameFormat("Readahead Thread #%d").build());
}

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From source file:com.netflix.astyanax.connectionpool.impl.NodeDiscoveryImpl.java

public NodeDiscoveryImpl(String name, int interval, Supplier<List<Host>> hostSupplier,
        ConnectionPool<?> connectionPool) {
    this(name, interval, hostSupplier, connectionPool,
            Executors.newSingleThreadScheduledExecutor(new ThreadFactoryBuilder().setDaemon(true).build()));

    bOwnedExecutor = true;//  w w w .j  av a  2  s  . c  om
}

---

From source file:com.cloudera.oryx.als.computation.local.MakeItemSimilarity.java

@Override
public Object call() throws IOException {

    log.info("Starting item similarity");

    Config config = ConfigUtils.getDefaultConfig();
    final int howMany = config.getInt("model.item-similarity.how-many");

    final LongPrimitiveIterator it = Y.keySetIterator();

    final File similarItemsDir = new File(modelDir, "similarItems");
    IOUtils.mkdirs(similarItemsDir);//from  w ww.j a v a2 s . co m

    int numThreads = ExecutorUtils.getParallelism();
    ExecutorService executor = Executors.newFixedThreadPool(numThreads,
            new ThreadFactoryBuilder().setNameFormat("ItemSimilarity-%d").setDaemon(true).build());
    Collection<Future<Object>> futures = Lists.newArrayList();

    try {
        for (int i = 0; i < numThreads; i++) {
            final int workerNumber = i;
            futures.add(executor.submit(new Callable<Object>() {
                @Override
                public Void call() throws IOException {
                    Writer out = IOUtils.buildGZIPWriter(new File(similarItemsDir, workerNumber + ".csv.gz"));
                    try {
                        while (true) {
                            long itemID;
                            synchronized (it) {
                                if (!it.hasNext()) {
                                    return null;
                                }
                                itemID = it.nextLong();
                            }
                            float[] itemFeatures = Y.get(itemID);
                            Iterable<NumericIDValue> mostSimilar = TopN.selectTopN(
                                    new MostSimilarItemIterator(Y.entrySet().iterator(), itemID, itemFeatures),
                                    howMany);
                            String item1IDString = idMapping.toString(itemID);
                            for (NumericIDValue similar : mostSimilar) {
                                out.write(DelimitedDataUtils.encode(item1IDString,
                                        idMapping.toString(similar.getID()),
                                        Float.toString(similar.getValue())));
                                out.write('\n');
                            }
                        }
                    } finally {
                        out.close();
                    }
                }
            }));

        }

    } finally {
        ExecutorUtils.shutdownNowAndAwait(executor);
    }

    ExecutorUtils.checkExceptions(futures);

    log.info("Finished item similarity");

    return null;
}

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