Examples with ThreadFactory java.util.concurrent.ThreadFactory used on opensource projects

Example 91 with ThreadFactory

use of java.util.concurrent.ThreadFactory in project cdap by caskdata.

the class AbstractSparkSubmitter method submit.

@Override
public final <V> ListenableFuture<V> submit(final SparkRuntimeContext runtimeContext, Map<String, String> configs, List<LocalizeResource> resources, File jobJar, final V result) {
    final SparkSpecification spec = runtimeContext.getSparkSpecification();
    final List<String> args = createSubmitArguments(spec, configs, resources, jobJar);
    // Spark submit is called from this executor
    // Use an executor to simplify logic that is needed to interrupt the running thread on stopping
    final ExecutorService executor = Executors.newSingleThreadExecutor(new ThreadFactory() {

        @Override
        public Thread newThread(Runnable r) {
            return new Thread(r, "spark-submitter-" + spec.getName() + "-" + runtimeContext.getRunId());
        }
    });
    // Latch for the Spark job completion
    final CountDownLatch completion = new CountDownLatch(1);
    final SparkJobFuture<V> resultFuture = new SparkJobFuture<V>(runtimeContext) {

        @Override
        protected void cancelTask() {
            // Try to shutdown the running spark job.
            triggerShutdown();
            // Wait for the Spark-Submit returns
            Uninterruptibles.awaitUninterruptibly(completion);
        }
    };
    // Submit the Spark job
    executor.submit(new Runnable() {

        @Override
        public void run() {
            List<String> extraArgs = beforeSubmit();
            try {
                String[] submitArgs = Iterables.toArray(Iterables.concat(args, extraArgs), String.class);
                submit(runtimeContext, submitArgs);
                onCompleted(true);
                resultFuture.set(result);
            } catch (Throwable t) {
                onCompleted(false);
                resultFuture.setException(t);
            } finally {
                completion.countDown();
            }
        }
    });
    // Shutdown the executor right after submit since the thread is only used for one submission.
    executor.shutdown();
    return resultFuture;
}

Example 92 with ThreadFactory

use of java.util.concurrent.ThreadFactory in project cdap by caskdata.

the class HBaseStreamFileConsumer method createScanExecutor.

private ExecutorService createScanExecutor(StreamId streamId) {
    ThreadFactory threadFactory = Threads.newDaemonThreadFactory(String.format("stream-%s-%s-consumer-scanner-", streamId.getNamespace(), streamId.getEntityName()));
    ThreadPoolExecutor executor = new ThreadPoolExecutor(1, 20, 60, TimeUnit.SECONDS, new SynchronousQueue<Runnable>(), threadFactory);
    executor.allowCoreThreadTimeOut(true);
    return executor;
}

Example 93 with ThreadFactory

use of java.util.concurrent.ThreadFactory in project CorfuDB by CorfuDB.

the class CorfuServer method main.

public static void main(String[] args) {
    serverRunning = true;
    // Parse the options given, using docopt.
    Map<String, Object> opts = new Docopt(USAGE).withVersion(GitRepositoryState.getRepositoryState().describe).parse(args);
    int port = Integer.parseInt((String) opts.get("<port>"));
    // Print a nice welcome message.
    AnsiConsole.systemInstall();
    printLogo();
    System.out.println(ansi().a("Welcome to ").fg(RED).a("CORFU ").fg(MAGENTA).a("SERVER").reset());
    System.out.println(ansi().a("Version ").a(Version.getVersionString()).a(" (").fg(BLUE).a(GitRepositoryState.getRepositoryState().commitIdAbbrev).reset().a(")"));
    System.out.println(ansi().a("Serving on port ").fg(WHITE).a(port).reset());
    System.out.println(ansi().a("Service directory: ").fg(WHITE).a((Boolean) opts.get("--memory") ? "MEMORY mode" : opts.get("--log-path")).reset());
    // Pick the correct logging level before outputting error messages.
    Logger root = (Logger) LoggerFactory.getLogger(Logger.ROOT_LOGGER_NAME);
    switch((String) opts.get("--log-level")) {
        case "ERROR":
            root.setLevel(Level.ERROR);
            break;
        case "WARN":
            root.setLevel(Level.WARN);
            break;
        case "INFO":
            root.setLevel(Level.INFO);
            break;
        case "DEBUG":
            root.setLevel(Level.DEBUG);
            break;
        case "TRACE":
            root.setLevel(Level.TRACE);
            break;
        default:
            root.setLevel(Level.INFO);
            log.warn("Level {} not recognized, defaulting to level INFO", opts.get("--log-level"));
    }
    log.debug("Started with arguments: " + opts);
    // Create the service directory if it does not exist.
    if (!(Boolean) opts.get("--memory")) {
        File serviceDir = new File((String) opts.get("--log-path"));
        if (!serviceDir.exists()) {
            if (serviceDir.mkdirs()) {
                log.info("Created new service directory at {}.", serviceDir);
            }
        } else if (!serviceDir.isDirectory()) {
            log.error("Service directory {} does not point to a directory. Aborting.", serviceDir);
            throw new RuntimeException("Service directory must be a directory!");
        }
    }
    // Now, we start the Netty router, and have it route to the correct port.
    router = new NettyServerRouter(opts);
    // Create a common Server Context for all servers to access.
    serverContext = new ServerContext(opts, router);
    // Add each role to the router.
    addSequencer();
    addLayoutServer();
    addLogUnit();
    addManagementServer();
    router.baseServer.setOptionsMap(opts);
    // Setup SSL if needed
    Boolean tlsEnabled = (Boolean) opts.get("--enable-tls");
    Boolean tlsMutualAuthEnabled = (Boolean) opts.get("--enable-tls-mutual-auth");
    if (tlsEnabled) {
        // Get the TLS cipher suites to enable
        String ciphs = (String) opts.get("--tls-ciphers");
        if (ciphs != null) {
            List<String> ciphers = Pattern.compile(",").splitAsStream(ciphs).map(String::trim).collect(Collectors.toList());
            enabledTlsCipherSuites = ciphers.toArray(new String[ciphers.size()]);
        }
        // Get the TLS protocols to enable
        String protos = (String) opts.get("--tls-protocols");
        if (protos != null) {
            List<String> protocols = Pattern.compile(",").splitAsStream(protos).map(String::trim).collect(Collectors.toList());
            enabledTlsProtocols = protocols.toArray(new String[protocols.size()]);
        }
        try {
            sslContext = TlsUtils.enableTls(TlsUtils.SslContextType.SERVER_CONTEXT, (String) opts.get("--keystore"), e -> {
                log.error("Could not load keys from the key store.");
                System.exit(1);
            }, (String) opts.get("--keystore-password-file"), e -> {
                log.error("Could not read the key store password file.");
                System.exit(1);
            }, (String) opts.get("--truststore"), e -> {
                log.error("Could not load keys from the trust store.");
                System.exit(1);
            }, (String) opts.get("--truststore-password-file"), e -> {
                log.error("Could not read the trust store password file.");
                System.exit(1);
            });
        } catch (Exception ex) {
            log.error("Could not build the SSL context");
            System.exit(1);
        }
    }
    Boolean saslPlainTextAuth = (Boolean) opts.get("--enable-sasl-plain-text-auth");
    // Create the event loops responsible for servicing inbound messages.
    EventLoopGroup bossGroup;
    EventLoopGroup workerGroup;
    EventExecutorGroup ee;
    bossGroup = new NioEventLoopGroup(1, new ThreadFactory() {

        final AtomicInteger threadNum = new AtomicInteger(0);

        @Override
        public Thread newThread(Runnable r) {
            Thread t = new Thread(r);
            t.setName("accept-" + threadNum.getAndIncrement());
            return t;
        }
    });
    workerGroup = new NioEventLoopGroup(Runtime.getRuntime().availableProcessors() * 2, new ThreadFactory() {

        final AtomicInteger threadNum = new AtomicInteger(0);

        @Override
        public Thread newThread(Runnable r) {
            Thread t = new Thread(r);
            t.setName("io-" + threadNum.getAndIncrement());
            return t;
        }
    });
    ee = new DefaultEventExecutorGroup(Runtime.getRuntime().availableProcessors() * 2, new ThreadFactory() {

        final AtomicInteger threadNum = new AtomicInteger(0);

        @Override
        public Thread newThread(Runnable r) {
            Thread t = new Thread(r);
            t.setName("event-" + threadNum.getAndIncrement());
            return t;
        }
    });
    try {
        ServerBootstrap b = new ServerBootstrap();
        b.group(bossGroup, workerGroup).channel(NioServerSocketChannel.class).option(ChannelOption.SO_BACKLOG, 100).childOption(ChannelOption.SO_KEEPALIVE, true).childOption(ChannelOption.SO_REUSEADDR, true).childOption(ChannelOption.TCP_NODELAY, true).childOption(ChannelOption.ALLOCATOR, PooledByteBufAllocator.DEFAULT).childHandler(new ChannelInitializer<SocketChannel>() {

            @Override
            public void initChannel(io.netty.channel.socket.SocketChannel ch) throws Exception {
                if (tlsEnabled) {
                    SSLEngine engine = sslContext.newEngine(ch.alloc());
                    engine.setEnabledCipherSuites(enabledTlsCipherSuites);
                    engine.setEnabledProtocols(enabledTlsProtocols);
                    if (tlsMutualAuthEnabled) {
                        engine.setNeedClientAuth(true);
                    }
                    ch.pipeline().addLast("ssl", new SslHandler(engine));
                }
                ch.pipeline().addLast(new LengthFieldPrepender(4));
                ch.pipeline().addLast(new LengthFieldBasedFrameDecoder(Integer.MAX_VALUE, 0, 4, 0, 4));
                if (saslPlainTextAuth) {
                    ch.pipeline().addLast("sasl/plain-text", new PlainTextSaslNettyServer());
                }
                ch.pipeline().addLast(ee, new NettyCorfuMessageDecoder());
                ch.pipeline().addLast(ee, new NettyCorfuMessageEncoder());
                ch.pipeline().addLast(ee, router);
            }
        });
        ChannelFuture f = b.bind(port).sync();
        while (true) {
            try {
                f.channel().closeFuture().sync();
            } catch (InterruptedException ie) {
            }
        }
    } catch (InterruptedException ie) {
    } catch (Exception ex) {
        log.error("Corfu server shut down unexpectedly due to exception", ex);
    } finally {
        bossGroup.shutdownGracefully();
        workerGroup.shutdownGracefully();
    }
}

Example 94 with ThreadFactory

use of java.util.concurrent.ThreadFactory in project CorfuDB by CorfuDB.

the class NettyClientRouter method start.

public void start(long c) {
    shutdown = false;
    if (workerGroup == null || workerGroup.isShutdown() || !channel.isOpen()) {
        workerGroup = new NioEventLoopGroup(Runtime.getRuntime().availableProcessors() * 2, new ThreadFactory() {

            final AtomicInteger threadNum = new AtomicInteger(0);

            @Override
            public Thread newThread(Runnable r) {
                Thread t = new Thread(r);
                t.setName("worker-" + threadNum.getAndIncrement());
                t.setDaemon(true);
                return t;
            }
        });
        ee = new DefaultEventExecutorGroup(Runtime.getRuntime().availableProcessors() * 2, new ThreadFactory() {

            final AtomicInteger threadNum = new AtomicInteger(0);

            @Override
            public Thread newThread(Runnable r) {
                Thread t = new Thread(r);
                t.setName(this.getClass().getName() + "event-" + threadNum.getAndIncrement());
                t.setDaemon(true);
                return t;
            }
        });
        Bootstrap b = new Bootstrap();
        b.group(workerGroup);
        b.channel(NioSocketChannel.class);
        b.option(ChannelOption.SO_KEEPALIVE, true);
        b.option(ChannelOption.SO_REUSEADDR, true);
        b.option(ChannelOption.TCP_NODELAY, true);
        NettyClientRouter router = this;
        b.handler(new ChannelInitializer<SocketChannel>() {

            @Override
            public void initChannel(SocketChannel ch) throws Exception {
                if (tlsEnabled) {
                    ch.pipeline().addLast("ssl", sslContext.newHandler(ch.alloc()));
                }
                ch.pipeline().addLast(new LengthFieldPrepender(4));
                ch.pipeline().addLast(new LengthFieldBasedFrameDecoder(Integer.MAX_VALUE, 0, 4, 0, 4));
                if (saslPlainTextEnabled) {
                    PlainTextSaslNettyClient saslNettyClient = SaslUtils.enableSaslPlainText(saslPlainTextUsernameFile, saslPlainTextPasswordFile);
                    ch.pipeline().addLast("sasl/plain-text", saslNettyClient);
                }
                ch.pipeline().addLast(ee, new NettyCorfuMessageDecoder());
                ch.pipeline().addLast(ee, new NettyCorfuMessageEncoder());
                ch.pipeline().addLast(ee, router);
            }
        });
        try {
            connectChannel(b, c);
        } catch (Exception e) {
            try {
                // shutdown EventLoopGroup
                workerGroup.shutdownGracefully().sync();
            } catch (InterruptedException ie) {
            }
            throw new NetworkException(e.getClass().getSimpleName() + " connecting to endpoint failed", host + ":" + port, e);
        }
    }
}

Example 95 with ThreadFactory

use of java.util.concurrent.ThreadFactory in project bitsquare by bitsquare.

the class SeedNodeMain method main.

public static void main(String[] args) throws Exception {
    final ThreadFactory threadFactory = new ThreadFactoryBuilder().setNameFormat("SeedNodeMain").setDaemon(true).build();
    UserThread.setExecutor(Executors.newSingleThreadExecutor(threadFactory));
    // We don't want to do the full argument parsing here as that might easily change in update versions
    // So we only handle the absolute minimum which is APP_NAME, APP_DATA_DIR_KEY and USER_DATA_DIR
    BitsquareEnvironment.setDefaultAppName("Bitsquare_seednode");
    OptionParser parser = new OptionParser();
    parser.allowsUnrecognizedOptions();
    parser.accepts(AppOptionKeys.USER_DATA_DIR_KEY, description("User data directory", DEFAULT_USER_DATA_DIR)).withRequiredArg();
    parser.accepts(AppOptionKeys.APP_NAME_KEY, description("Application name", DEFAULT_APP_NAME)).withRequiredArg();
    OptionSet options;
    try {
        options = parser.parse(args);
    } catch (OptionException ex) {
        System.out.println("error: " + ex.getMessage());
        System.out.println();
        parser.printHelpOn(System.out);
        System.exit(EXIT_FAILURE);
        return;
    }
    BitsquareEnvironment bitsquareEnvironment = new BitsquareEnvironment(options);
    // need to call that before BitsquareAppMain().execute(args)
    BitsquareExecutable.initAppDir(bitsquareEnvironment.getProperty(AppOptionKeys.APP_DATA_DIR_KEY));
    // For some reason the JavaFX launch process results in us losing the thread context class loader: reset it.
    // In order to work around a bug in JavaFX 8u25 and below, you must include the following code as the first line of your realMain method:
    Thread.currentThread().setContextClassLoader(SeedNodeMain.class.getClassLoader());
    new SeedNodeMain().execute(args);
}