Example usage for java.util.concurrent Executors newFixedThreadPool

Introduction

In this page you can find the example usage for java.util.concurrent Executors newFixedThreadPool.

Prototype

public static ExecutorService newFixedThreadPool(int nThreads)

Source Link

Document

Creates a thread pool that reuses a fixed number of threads operating off a shared unbounded queue.

Usage

From source file:com.jiangge.apns4j.impl.ApnsServiceImpl.java

private ApnsServiceImpl(ApnsConfig config) {
    int poolSize = config.getPoolSize();
    service = Executors.newFixedThreadPool(poolSize);

    SocketFactory factory = ApnsTools.createSocketFactory(config.getKeyStore(), config.getPassword(),
            KEYSTORE_TYPE, ALGORITHM, PROTOCOL);
    connPool = ApnsConnectionPool.newConnPool(config, factory);
    feedbackConn = new ApnsFeedbackConnectionImpl(config, factory);
}

From source file:com.inmobi.grill.server.EventServiceImpl.java

@Override
public synchronized void init(HiveConf hiveConf) {
    int numProcs = Runtime.getRuntime().availableProcessors();
    eventHandlerPool = Executors
            .newFixedThreadPool(hiveConf.getInt(GrillConfConstants.EVENT_SERVICE_THREAD_POOL_SIZE, numProcs));
    super.init(hiveConf);
}

From source file:com.nextdoor.bender.operation.conditional.ConditionalOperation.java

public ConditionalOperation(List<Pair<FilterOperation, List<OperationProcessor>>> conditionsAndProcs,
        boolean filterNonMatch) {
    this.conditionsAndProcs = conditionsAndProcs;
    this.es = Executors.newFixedThreadPool(conditionsAndProcs.size());
    this.filterNonMatch = filterNonMatch;
}

From source file:com.mapr.synth.drive.Trails.java

@Override
public void setup() {
    ExecutorService pool = Executors.newFixedThreadPool(1);
    BlockingQueue<State> q = new ArrayBlockingQueue<>(2000);
    input = q;/*from  w ww  .java 2s .  c  o  m*/
    pool.submit(new Producer(q));
    speedDistribution = new AVLTreeDigest(300);
    noise = new Random();

    speed = new Stripchart(10, 430, 460, 80, 1, 0, 0, 90);
    rpm = new Stripchart(10, 520, 460, 80, 1, 0, 0, 2200);
    throttle = new Stripchart(10, 610, 460, 80, 1, 0, 0, 100);

    frameRate(15);
}

From source file:org.atennert.com.communication.SenderManager.java

public void init() {
    senderPool = Executors.newFixedThreadPool(THREAD_COUNT);
}

From source file:co.cask.cdap.client.rest.RestStreamWriter.java

public RestStreamWriter(RestClient restClient, int writerPoolSize, String streamName) {
    this.restClient = restClient;
    this.streamName = streamName;
    this.pool = MoreExecutors.listeningDecorator(Executors.newFixedThreadPool(writerPoolSize));
}

From source file:com.autsia.socialboot.SocialBootApplicationTests.java

@Test
public void performanceTest() throws Exception {
    final IQueue<Object> queue = hazelcastInstance.getQueue(SocialBootApplication.class.getSimpleName());

    ExecutorService threadPool = Executors.newFixedThreadPool(1);
    threadPool.submit((Runnable) () -> {
        while (true) {
            String id = String.valueOf(ThreadLocalRandom.current().nextLong());
            twitterService.consumeTweetFromExternalSystem(id, text);
        }// www.j a va2  s  .c  om
    });
    while (queue.isEmpty()) {
        Thread.sleep(1000);
    }
    int countBefore = queue.size();
    Thread.sleep(MEASUREMENT_DELAY);
    int countAfter = queue.size();
    LOGGER.info("Tweets processed: {}", countAfter - countBefore);
}

From source file:com.bt.aloha.batchtest.JmxScenarioExporter.java

protected static void configure(BatchTest batchTest) throws Exception {
    Properties properties = new Properties();
    InputStream is = new FileInputStream(CONFIG_FILE);
    properties.load(is);/*from w  ww  .j a  v  a2s  .c om*/
    is.close();
    batchTest.setAudioFileUri(properties.getProperty("audioFileUri", "/provisioned/behave.wav"));
    batchTest.setNumberOfRuns(1);
    batchTest.setNumberOfConcurrentStarts(1);
    batchTest.setMaximumScenarioCompletionWaitTimeSeconds(
            Integer.parseInt(properties.getProperty("maximumScenarioCompletionWaitTimeSeconds", "60")));
    batchTest.setExecutorService(Executors.newFixedThreadPool(4));
    addBatchScenarios(batchTest);
}

From source file:com.mellanox.jxio.tests.benchmarks.DataPathTestClient.java

public DataPathTestClient(String[] args) {
    super(args);//from  w w  w .  j  a va 2  s.  co m
    test_iterations = Integer.parseInt(args[7]);
    file_path = args[6];
    results = new double[num_of_threads][test_iterations * 3];
    workers = new ArrayList<FutureTask<double[]>>(num_of_threads);
    executor = Executors.newFixedThreadPool(num_of_threads);

    for (int i = 0; i < num_of_threads; i++) {
        ClientWorker cw = new ClientWorker(inMsg_size, outMsg_size, uri, burst_size, results[i]);
        workers.add(new FutureTask<double[]>(cw));
    }
    // Create/Open file
    if (!file_path.equals("no_file")) {
        write_to_file = true;
        try {
            fstream = new FileWriter(file_path, true);
            out = new BufferedWriter(fstream);
        } catch (Exception e) {
            LOG.error("Error in opening the results file");
            e.printStackTrace();
        }
    }
}

From source file:com.app.util.SearchResultUtil.java

public static void performSearch() throws DatabaseConnectionException, SQLException {

    long startTime = System.nanoTime();

    ExecutorService executor = Executors.newFixedThreadPool(_THREAD_POOL_SIZE);

    List<Integer> userIds = UserUtil.getUserIds(true);

    for (int userId : userIds) {
        SearchResultRunnable searchResultRunnable = new SearchResultRunnable(userId);

        executor.execute(searchResultRunnable);
    }//from   w w w.  ja  v  a2 s . c  om

    executor.shutdown();

    try {
        executor.awaitTermination(_THREAD_TIMEOUT_SECONDS, TimeUnit.SECONDS);
    } catch (InterruptedException ie) {
        _log.error("The executor encountered an exception", ie);
    }

    long endTime = System.nanoTime();

    _log.info("Performing searches for {} users took {} milliseconds", userIds.size(),
            (endTime - startTime) / 1000000);
}