Examples with JCommander com.beust.jcommander.JCommander used on opensource projects

Example 51 with JCommander

use of com.beust.jcommander.JCommander in project pulsar by yahoo.

the class PerformanceConsumer method main.

public static void main(String[] args) throws Exception {
    final Arguments arguments = new Arguments();
    JCommander jc = new JCommander(arguments);
    jc.setProgramName("pulsar-perf-consumer");
    try {
        jc.parse(args);
    } catch (ParameterException e) {
        System.out.println(e.getMessage());
        jc.usage();
        System.exit(-1);
    }
    if (arguments.help) {
        jc.usage();
        System.exit(-1);
    }
    if (arguments.topic.size() != 1) {
        System.out.println("Only one destination name is allowed");
        jc.usage();
        System.exit(-1);
    }
    if (arguments.confFile != null) {
        Properties prop = new Properties(System.getProperties());
        prop.load(new FileInputStream(arguments.confFile));
        if (arguments.serviceURL == null) {
            arguments.serviceURL = prop.getProperty("brokerServiceUrl");
        }
        if (arguments.serviceURL == null) {
            arguments.serviceURL = prop.getProperty("webServiceUrl");
        }
        // fallback to previous-version serviceUrl property to maintain backward-compatibility
        if (arguments.serviceURL == null) {
            arguments.serviceURL = prop.getProperty("serviceUrl", "http://localhost:8080/");
        }
        if (arguments.authPluginClassName == null) {
            arguments.authPluginClassName = prop.getProperty("authPlugin", null);
        }
        if (arguments.authParams == null) {
            arguments.authParams = prop.getProperty("authParams", null);
        }
    }
    // Dump config variables
    ObjectMapper m = new ObjectMapper();
    ObjectWriter w = m.writerWithDefaultPrettyPrinter();
    log.info("Starting Pulsar performance consumer with config: {}", w.writeValueAsString(arguments));
    final DestinationName prefixDestinationName = DestinationName.get(arguments.topic.get(0));
    final RateLimiter limiter = arguments.rate > 0 ? RateLimiter.create(arguments.rate) : null;
    MessageListener listener = new MessageListener() {

        public void received(Consumer consumer, Message msg) {
            messagesReceived.increment();
            bytesReceived.add(msg.getData().length);
            if (limiter != null) {
                limiter.acquire();
            }
            consumer.acknowledgeAsync(msg);
        }
    };
    EventLoopGroup eventLoopGroup;
    if (SystemUtils.IS_OS_LINUX) {
        eventLoopGroup = new EpollEventLoopGroup(Runtime.getRuntime().availableProcessors() * 2, new DefaultThreadFactory("pulsar-perf-consumer"));
    } else {
        eventLoopGroup = new NioEventLoopGroup(Runtime.getRuntime().availableProcessors(), new DefaultThreadFactory("pulsar-perf-consumer"));
    }
    ClientConfiguration clientConf = new ClientConfiguration();
    clientConf.setConnectionsPerBroker(arguments.maxConnections);
    clientConf.setStatsInterval(arguments.statsIntervalSeconds, TimeUnit.SECONDS);
    if (isNotBlank(arguments.authPluginClassName)) {
        clientConf.setAuthentication(arguments.authPluginClassName, arguments.authParams);
    }
    PulsarClient pulsarClient = new PulsarClientImpl(arguments.serviceURL, clientConf, eventLoopGroup);
    List<Future<Consumer>> futures = Lists.newArrayList();
    ConsumerConfiguration consumerConfig = new ConsumerConfiguration();
    consumerConfig.setMessageListener(listener);
    consumerConfig.setReceiverQueueSize(arguments.receiverQueueSize);
    for (int i = 0; i < arguments.numDestinations; i++) {
        final DestinationName destinationName = (arguments.numDestinations == 1) ? prefixDestinationName : DestinationName.get(String.format("%s-%d", prefixDestinationName, i));
        log.info("Adding {} consumers on destination {}", arguments.numConsumers, destinationName);
        for (int j = 0; j < arguments.numConsumers; j++) {
            String subscriberName;
            if (arguments.numConsumers > 1) {
                subscriberName = String.format("%s-%d", arguments.subscriberName, j);
            } else {
                subscriberName = arguments.subscriberName;
            }
            futures.add(pulsarClient.subscribeAsync(destinationName.toString(), subscriberName, consumerConfig));
        }
    }
    for (Future<Consumer> future : futures) {
        future.get();
    }
    log.info("Start receiving from {} consumers on {} destinations", arguments.numConsumers, arguments.numDestinations);
    long oldTime = System.nanoTime();
    while (true) {
        try {
            Thread.sleep(10000);
        } catch (InterruptedException e) {
            break;
        }
        long now = System.nanoTime();
        double elapsed = (now - oldTime) / 1e9;
        double rate = messagesReceived.sumThenReset() / elapsed;
        double throughput = bytesReceived.sumThenReset() / elapsed * 8 / 1024 / 1024;
        log.info("Throughput received: {}  msg/s -- {} Mbit/s", dec.format(rate), dec.format(throughput));
        oldTime = now;
    }
    pulsarClient.close();
}

Example 52 with JCommander

use of com.beust.jcommander.JCommander in project intellij-community by JetBrains.

the class TestNGForkedStarter method main.

public static void main(String[] args) throws Exception {
    final IDEARemoteTestNG testNG = new IDEARemoteTestNG(null);
    CommandLineArgs cla = new CommandLineArgs();
    RemoteArgs ra = new RemoteArgs();
    new JCommander(Arrays.asList(cla, ra), args);
    testNG.configure(cla);
    testNG.run();
    System.exit(0);
}

Example 53 with JCommander

use of com.beust.jcommander.JCommander in project zxing by zxing.

the class CommandLineRunner method main.

public static void main(String[] args) throws Exception {
    DecoderConfig config = new DecoderConfig();
    JCommander jCommander = new JCommander(config, args);
    jCommander.setProgramName(CommandLineRunner.class.getSimpleName());
    if (config.help) {
        jCommander.usage();
        return;
    }
    List<URI> inputs = new ArrayList<>(config.inputPaths.size());
    for (String inputPath : config.inputPaths) {
        URI uri;
        try {
            uri = new URI(inputPath);
        } catch (URISyntaxException use) {
            // Assume it must be a file
            if (!Files.exists(Paths.get(inputPath))) {
                throw use;
            }
            uri = new URI("file", inputPath, null);
        }
        inputs.add(uri);
    }
    do {
        inputs = retainValid(expand(inputs), config.recursive);
    } while (config.recursive && isExpandable(inputs));
    int numInputs = inputs.size();
    if (numInputs == 0) {
        jCommander.usage();
        return;
    }
    Queue<URI> syncInputs = new ConcurrentLinkedQueue<>(inputs);
    int numThreads = Math.min(numInputs, Runtime.getRuntime().availableProcessors());
    int successful = 0;
    if (numThreads > 1) {
        ExecutorService executor = Executors.newFixedThreadPool(numThreads);
        Collection<Future<Integer>> futures = new ArrayList<>(numThreads);
        for (int x = 0; x < numThreads; x++) {
            futures.add(executor.submit(new DecodeWorker(config, syncInputs)));
        }
        executor.shutdown();
        for (Future<Integer> future : futures) {
            successful += future.get();
        }
    } else {
        successful += new DecodeWorker(config, syncInputs).call();
    }
    if (!config.brief && numInputs > 1) {
        System.out.println("\nDecoded " + successful + " files out of " + numInputs + " successfully (" + (successful * 100 / numInputs) + "%)\n");
    }
}

Example 54 with JCommander

use of com.beust.jcommander.JCommander in project alluxio by Alluxio.

the class AlluxioFrameworkIntegrationTest method main.

/**
   * @param args arguments
   * @throws Exception if an exception occurs
   */
public static void main(String[] args) throws Exception {
    AlluxioFrameworkIntegrationTest test = new AlluxioFrameworkIntegrationTest();
    JCommander jc = new JCommander(test);
    jc.setProgramName(AlluxioFrameworkIntegrationTest.class.getName());
    try {
        jc.parse(args);
    } catch (Exception e) {
        LOG.error(e.getMessage());
        jc.usage();
        System.exit(1);
    }
    if (test.mHelp) {
        jc.usage();
    } else {
        test.run();
    }
}

Example 55 with JCommander

use of com.beust.jcommander.JCommander in project VocabHunter by VocabHunter.

the class VocabHunterConsoleExecutable method main.

public static void main(final String... args) {
    try {
        Instant start = Instant.now();
        VocabHunterConsoleArguments bean = new VocabHunterConsoleArguments();
        JCommander jCommander = JCommander.newBuilder().addObject(bean).build();
        jCommander.parse(args);
        if (bean.isHelpRequested()) {
            StringBuilder buffer = new StringBuilder(HELP_BUFFER_SIZE);
            jCommander.usage(buffer);
            LOG.info("{}", buffer);
        } else {
            String output = bean.getOutput();
            if (output == null) {
                processInput(bean, new PrintWriter(new OutputStreamWriter(System.out, CoreConstants.CHARSET), true));
            } else {
                try (PrintWriter out = new PrintWriter(Files.newBufferedWriter(Paths.get(output)))) {
                    processInput(bean, out);
                }
            }
            Instant end = Instant.now();
            Duration duration = Duration.between(start, end);
            LOG.info("\nExecution time: {}ms", duration.toMillis());
        }
    } catch (final Exception e) {
        LOG.error("Application error", e);
        LOG.error("Use -help to show the command-line options");
    }
}