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.berwickheights.spring.svc.SendEmailSvcImpl.java

/**
 * Check that properties have been set correctly in bean definition
 *//*w  w  w.  ja  v a 2s .  c o m*/
public void afterPropertiesSet() throws Exception {
    Assert.notNull(emailSender, "emailSender must be set");
    Assert.notNull(from, "from must be set");
    Assert.isTrue(numWorkerThreads > 0, "numWorkerThreads must be greater than 0");

    // Set up thread pool to send email messages asynchronously
    threadPool = Executors.newFixedThreadPool(numWorkerThreads);
}

From source file:com.palantir.docker.compose.logging.FileLogCollector.java

@Override
public synchronized void startCollecting(DockerCompose dockerCompose) throws IOException, InterruptedException {
    if (executor != null) {
        throw new RuntimeException("Cannot start collecting the same logs twice");
    }/*from   ww  w. ja v  a2 s.c om*/
    List<ContainerName> containerNames = dockerCompose.ps();
    if (containerNames.size() == 0) {
        return;
    }
    executor = Executors.newFixedThreadPool(containerNames.size());
    containerNames.stream().map(ContainerName::semanticName)
            .forEachOrdered(container -> this.collectLogs(container, dockerCompose));
}

From source file:com.genentech.chemistry.openEye.apps.SDFMDLSSSMatcher.java

public SDFMDLSSSMatcher(String qFile, String outFile, boolean firstMatch, boolean printAll, int nCpu) {
    this.firstMatch = firstMatch;
    this.printAll = printAll;
    this.matcher = new MDLSSSMatcher(qFile);
    this.ofs = new oemolothread(outFile);
    this.nCpu = nCpu;

    this.executor = Executors.newFixedThreadPool(nCpu);
    this.completionService = new ExecutorCompletionService<Boolean>(executor);

    finder = new MDLSSSFind[nCpu];
}

From source file:com.google.api.ads.adwords.jaxws.extensions.kratu.data.KratuProcessor.java

public void processKratus(Long topAccountId, Date dateStart, Date dateEnd) throws InterruptedException {
    System.out.println("Processing Kratus for" + topAccountId);

    // We use a Latch so the main thread knows when all the worker threads are complete.
    final CountDownLatch latch = new CountDownLatch(1);
    Stopwatch stopwatch = Stopwatch.createStarted();

    RunnableKratu runnableKratu = createRunnableKratu(topAccountId, storageHelper, dateStart, dateEnd);

    ExecutorService executorService = Executors.newFixedThreadPool(1);
    runnableKratu.setLatch(latch);/*from www  .j a v  a 2 s .co m*/
    executorService.execute(runnableKratu);

    latch.await();
    stopwatch.stop();
}

From source file:koper.kafka.KafkaBatchSenderTest.java

/**
 * ?10??/*from   w  w  w . ja  v a  2s  .c  o m*/
 *   messageSender.send(topic2, msg) ???
 */
public void testInsertOrder() {

    int c = 100;
    int n = 10;
    for (int i = 0; i < c; i++) {

        ExecutorService executorService = Executors.newFixedThreadPool(16);

        int x = i;
        executorService.execute(new Runnable() {

            @Override
            public void run() {
                for (int j = 0; j < n; j++) {
                    Order order = newOrder(x * 10 + j);
                    String newOrderId = orderMapper.insertOrder(order);
                    System.out.println("****** insert Order  " + newOrderId);
                }

            }
        });
    }
}

From source file:dk.dma.msiproxy.common.repo.ThumbnailService.java

@PostConstruct
private void init() {
    processPool = Executors.newFixedThreadPool(EXECUTOR_POOL_SIZE);

    // Enlist image types supported by vips (avoid gif)
    vipsFileTypes.add("image/bmp");
    vipsFileTypes.add("image/jpeg");
    vipsFileTypes.add("image/jpg");
    vipsFileTypes.add("image/tiff");
    vipsFileTypes.add("image/tif");
    vipsFileTypes.add("image/png");
}

From source file:com.netflix.conductor.core.execution.WorkflowSweeper.java

@Inject
public WorkflowSweeper(ExecutionDAO edao, MetadataDAO metadata, ObjectMapper om,
        WorkflowExecutor workflowProvider, Configuration config, QueueDAO queues) {
    this.om = om;
    this.ds = new DeciderService(metadata, edao, om);
    this.config = config;
    this.queues = queues;
    this.executorThreadPoolSize = config.getIntProperty("workflow.sweeper.thread.count", 5);
    this.es = Executors.newFixedThreadPool(executorThreadPoolSize);
    init(workflowProvider);/*from w w  w.  j  a v a  2 s.  co  m*/
    logger.info("Workflow Sweeper Initialized");
}

From source file:it.geosolutions.tools.io.CopyTreeTest.java

@Before
public void setUp() throws Exception {

    destMount = new File(TestData.file(this, "."), "test-data2");
    if (!destMount.exists()) {
        new File(destMount, "collector").mkdirs();
    }//from ww w  . j ava 2 s. c  om
    Assert.assertTrue(destMount.exists());

    testFile = TestData.file(this, "collector/569_PRO/RS1_geo8.xml");

    ex = Executors.newFixedThreadPool(2);

    if (ex == null || ex.isTerminated()) {
        throw new IllegalArgumentException(
                "Unable to run asynchronously using a terminated or null ThreadPoolExecutor");
    }

    cs = new ExecutorCompletionService<File>(ex);
}

From source file:com.dsclab.loader.app.Loader.java

public static void load(Configs prop)
        throws SQLException, ClassNotFoundException, InterruptedException, ExecutionException {
    int readThread = prop.getReadThread();
    int writeThread = prop.getWriteThread();
    ExecutorService readExecutor = Executors.newFixedThreadPool(readThread);
    ExecutorService writeExecutor = Executors.newFixedThreadPool(writeThread);
    LOG.info("Start load: writeThread:" + writeThread + ", readThread:" + readThread);
    BlockingQueue<List<String>> contentQueue = new LinkedBlockingQueue<>();

    int tableCount = tableTask.size();
    int sum = 0;//  w ww . j  av  a2  s  . c  o m
    for (int i = 0; i < tableCount; i++) {
        sum = sum + tableTask.get(i).getTaskSqlList().size();
    }
    for (int i = 0; i < sum; i++) {
        readExecutor.submit(new ProducerThread(prop.getInputURL(), contentQueue));
        writeExecutor.submit(new ConsumerThread(prop.getOutputURL(), contentQueue));
    }

    readExecutor.shutdown();
    readExecutor.awaitTermination(Long.MAX_VALUE, TimeUnit.DAYS);
    System.out.println("[CHIA7712] read threads end");
    writeExecutor.shutdown();
    writeExecutor.awaitTermination(Long.MAX_VALUE, TimeUnit.DAYS);
    System.out.println("[CHIA7712] write threads end");
}

From source file:com.digitalgeneralists.assurance.model.concurrency.AssuranceThreadPool.java

public void setNumberOfThreads(Integer numberOfThreads) {
    if ((numberOfThreads == null) || (numberOfThreads < 2)) {
        numberOfThreads = AssuranceThreadPool.DEFAULT_NUMBER_OF_THREADS;
    }/*  w w w  . ja  v a  2 s  .  c o  m*/
    this.threadPool = Executors.newFixedThreadPool(numberOfThreads);
}