Examples with ThreadFactoryBuilder com.google.common.util.concurrent.ThreadFactoryBuilder used on opensource projects

Example 41 with ThreadFactoryBuilder

use of com.google.common.util.concurrent.ThreadFactoryBuilder in project pulsar by yahoo.

the class MockBrokerService method startMockBrokerService.

public void startMockBrokerService() throws Exception {
    ThreadFactory threadFactory = new ThreadFactoryBuilder().setNameFormat("mock-pulsar-%s").build();
    final int numThreads = 2;
    final int MaxMessageSize = 5 * 1024 * 1024;
    EventLoopGroup eventLoopGroup;
    try {
        if (SystemUtils.IS_OS_LINUX) {
            try {
                eventLoopGroup = new EpollEventLoopGroup(numThreads, threadFactory);
            } catch (UnsatisfiedLinkError e) {
                eventLoopGroup = new NioEventLoopGroup(numThreads, threadFactory);
            }
        } else {
            eventLoopGroup = new NioEventLoopGroup(numThreads, threadFactory);
        }
        workerGroup = eventLoopGroup;
        ServerBootstrap bootstrap = new ServerBootstrap();
        bootstrap.group(workerGroup, workerGroup);
        if (workerGroup instanceof EpollEventLoopGroup) {
            bootstrap.channel(EpollServerSocketChannel.class);
        } else {
            bootstrap.channel(NioServerSocketChannel.class);
        }
        bootstrap.childHandler(new ChannelInitializer<SocketChannel>() {

            @Override
            public void initChannel(SocketChannel ch) throws Exception {
                ch.pipeline().addLast("frameDecoder", new LengthFieldBasedFrameDecoder(MaxMessageSize, 0, 4, 0, 4));
                ch.pipeline().addLast("handler", new MockServerCnx());
            }
        });
        // Bind and start to accept incoming connections.
        bootstrap.bind(brokerServicePort).sync();
    } catch (Exception e) {
        throw e;
    }
}

Example 42 with ThreadFactoryBuilder

use of com.google.common.util.concurrent.ThreadFactoryBuilder in project distributedlog by twitter.

the class DistributedLogServer method runServer.

public void runServer() throws ConfigurationException, IllegalArgumentException, IOException {
    if (!uri.isPresent()) {
        throw new IllegalArgumentException("No distributedlog uri provided.");
    }
    URI dlUri = URI.create(uri.get());
    DistributedLogConfiguration dlConf = new DistributedLogConfiguration();
    if (conf.isPresent()) {
        String configFile = conf.get();
        try {
            dlConf.loadConf(new File(configFile).toURI().toURL());
        } catch (ConfigurationException e) {
            throw new IllegalArgumentException("Failed to load distributedlog configuration from " + configFile + ".");
        } catch (MalformedURLException e) {
            throw new IllegalArgumentException("Failed to load distributedlog configuration from malformed " + configFile + ".");
        }
    }
    this.configExecutorService = Executors.newScheduledThreadPool(1, new ThreadFactoryBuilder().setNameFormat("DistributedLogService-Dyncfg-%d").setDaemon(true).build());
    // server configuration and dynamic configuration
    ServerConfiguration serverConf = new ServerConfiguration();
    serverConf.loadConf(dlConf);
    // overwrite the shard id if it is provided in the args
    if (shardId.isPresent()) {
        serverConf.setServerShardId(shardId.get());
    }
    serverConf.validate();
    DynamicDistributedLogConfiguration dynDlConf = getServiceDynConf(dlConf);
    logger.info("Starting stats provider : {}", statsProvider.getClass());
    statsProvider.start(dlConf);
    if (announceServerSet.isPresent() && announceServerSet.get()) {
        announcer = new ServerSetAnnouncer(dlUri, port.or(0), statsPort.or(0), shardId.or(0));
    } else {
        announcer = new NOPAnnouncer();
    }
    // Build the stream partition converter
    StreamPartitionConverter converter;
    try {
        converter = ReflectionUtils.newInstance(serverConf.getStreamPartitionConverterClass());
    } catch (ConfigurationException e) {
        logger.warn("Failed to load configured stream-to-partition converter. Fallback to use {}", IdentityStreamPartitionConverter.class.getName());
        converter = new IdentityStreamPartitionConverter();
    }
    StreamConfigProvider streamConfProvider = getStreamConfigProvider(dlConf, converter);
    // pre-run
    preRun(dlConf, serverConf);
    Pair<DistributedLogServiceImpl, Server> serverPair = runServer(serverConf, dlConf, dynDlConf, dlUri, converter, statsProvider, port.or(0), keepAliveLatch, statsReceiver, thriftmux.isPresent(), streamConfProvider);
    this.dlService = serverPair.getLeft();
    this.server = serverPair.getRight();
    // announce the service
    announcer.announce();
}

Example 43 with ThreadFactoryBuilder

use of com.google.common.util.concurrent.ThreadFactoryBuilder in project helios by spotify.

the class FastForwardReporterTest method setUp.

@Before
public void setUp() throws Exception {
    final ThreadFactory threadFactory = new ThreadFactoryBuilder().setDaemon(true).build();
    this.executor = Executors.newSingleThreadScheduledExecutor(threadFactory);
    this.reporter = new FastForwardReporter(ffwd, metricRegistry, executor, "helios.test", // these interval values do not matter for this test:
    30, TimeUnit.SECONDS, Collections::emptyMap);
}

Example 44 with ThreadFactoryBuilder

use of com.google.common.util.concurrent.ThreadFactoryBuilder in project helios by spotify.

the class FastForwardReporter method create.

/**
   * Overload of {@link #create(MetricRegistry, Optional, String, int)} which allows for setting
   * additional attributes in each reported metric.
   *
   * <p>The additional attributes are modeled as a Supplier to allow for attributes that might
   * change values at runtime.
   */
public static FastForwardReporter create(MetricRegistry registry, Optional<HostAndPort> address, String metricKey, int intervalSeconds, Supplier<Map<String, String>> additionalAttributes) throws SocketException, UnknownHostException {
    final FastForward ff;
    if (address.isPresent()) {
        ff = FastForward.setup(address.get().getHostText(), address.get().getPort());
    } else {
        ff = FastForward.setup();
    }
    final ThreadFactory threadFactory = new ThreadFactoryBuilder().setDaemon(true).setNameFormat("fast-forward-reporter-%d").build();
    final ScheduledExecutorService executorService = Executors.newSingleThreadScheduledExecutor(threadFactory);
    return new FastForwardReporter(ff, registry, executorService, metricKey, intervalSeconds, TimeUnit.SECONDS, additionalAttributes);
}

Example 45 with ThreadFactoryBuilder

use of com.google.common.util.concurrent.ThreadFactoryBuilder in project reflections by ronmamo.

the class ConfigurationBuilder method useParallelExecutor.

/** sets the executor service used for scanning to ThreadPoolExecutor with core size as the given availableProcessors parameter.
     * the executor service spawns daemon threads by default.
     * <p>default is ThreadPoolExecutor with a single core */
public ConfigurationBuilder useParallelExecutor(final int availableProcessors) {
    ThreadFactory factory = new ThreadFactoryBuilder().setDaemon(true).setNameFormat("org.reflections-scanner-%d").build();
    setExecutorService(Executors.newFixedThreadPool(availableProcessors, factory));
    return this;
}