Example usage for java.util.concurrent Executors newCachedThreadPool

Introduction

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

Prototype

public static ExecutorService newCachedThreadPool() 

Source Link

Document

Creates a thread pool that creates new threads as needed, but will reuse previously constructed threads when they are available.

Usage

From source file:com.cognifide.aet.job.common.collectors.source.SourceCollector.java

private byte[] getContent() throws ProcessingException {
    byte[] content;
    ExecutorService executor = Executors.newCachedThreadPool();
    Callable<Object> task = new Callable<Object>() {
        @Override/*  ww  w. java  2 s.com*/
        public Object call() throws IOException {
            return httpRequestBuilder.executeRequest().getContent();
        }
    };
    Future<Object> future = executor.submit(task);
    try {
        content = (byte[]) future.get(timeoutValue, TimeUnit.MILLISECONDS);
    } catch (TimeoutException | InterruptedException | ExecutionException e) {
        throw new ProcessingException(e.getMessage(), e);
    } finally {
        future.cancel(true);
    }
    return content;
}

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From source file:com.googlecode.vfsjfilechooser2.plaf.basic.BasicVFSDirectoryModel.java

/**
 *
 * @param filechooser// w  w  w.  j  av a  2s  .c o  m
 */
public BasicVFSDirectoryModel(VFSJFileChooser filechooser) {
    this.filechooser = filechooser;
    this.executor = Executors.newCachedThreadPool();
    validateFileCache();
}

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From source file:rk.java.compute.cep.ComputeService.java

public ComputeService(BlockingQueue<IPriceTick> queue, final int numberOfTickSources,
        IPriceEventSink eventbus) {//from   w w w.ja  v a  2 s.  c  o  m
    this.feedQueue = queue;
    this.numberOfTickSources = numberOfTickSources;
    this.eventbus = eventbus;
    this.handlerCache = new ConcurrentHashMap<String, Compute>();
    this.stopWatch = new StopWatch("Dispatcher Task");
    executorService = Executors.newCachedThreadPool();
    ecs = new ExecutorCompletionService<StopWatch>(executorService);
    dispatchTaskFuture = ecs.submit(new Callable<StopWatch>() {
        @Override
        public StopWatch call() throws Exception {
            stopWatch.start();
            run();
            stopWatch.stop();
            return stopWatch;
        }
    });
}

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From source file:cc.osint.graphd.client.ProtographClient.java

public boolean connect() throws Exception {
    bootstrap = new ClientBootstrap(new NioClientSocketChannelFactory(Executors.newCachedThreadPool(),
            Executors.newCachedThreadPool()));
    ProtographClientPipelineFactory pipelineFactory = new ProtographClientPipelineFactory(this);
    bootstrap.setPipelineFactory(pipelineFactory);

    ChannelFuture future = bootstrap.connect(new InetSocketAddress(host, port));
    channel = future.awaitUninterruptibly().getChannel();

    if (!future.isSuccess()) {
        connected = false;/*from ww  w .  ja v  a  2  s.  com*/
        future.getCause().printStackTrace();
        bootstrap.releaseExternalResources();
        log.info("Connection failure: " + host + ":" + port);
    } else {
        connected = true;
        log.info("Connection success: " + host + ":" + port);
    }
    return connected;
}

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From source file:com.opengamma.language.config.ConfigurationFactoryBean.java

protected Configuration getConfiguration() {
    try {//from ww w.j ava 2s  . co m
        FudgeMsg msg = new RemoteConfiguration(getConfigurationURIAsURI()).getConfigurationMsg();
        Validater validater = UriEndPointDescriptionProvider.validater(Executors.newCachedThreadPool(),
                getConfigurationURIAsURI());
        return new Configuration(getFudgeContext(), msg, validater);

    } catch (UniformInterfaceException404NotFound ex) {
        return new Configuration(getFudgeContext(), getFudgeContext().newMessage(), null);
    }
}

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From source file:com.netflix.curator.framework.recipes.barriers.TestDistributedBarrier.java

@Test
public void testMultiClient() throws Exception {
    CuratorFramework client1 = null;/*from  w  w  w . j a  va2  s . co m*/
    CuratorFramework client2 = null;
    try {
        {
            CuratorFramework client = CuratorFrameworkFactory.newClient(server.getConnectString(),
                    new RetryOneTime(1));
            try {
                client.start();
                DistributedBarrier barrier = new DistributedBarrier(client, "/barrier");
                barrier.setBarrier();
            } finally {
                IOUtils.closeQuietly(client);
            }
        }

        client1 = CuratorFrameworkFactory.newClient(server.getConnectString(), new RetryOneTime(1));
        client2 = CuratorFrameworkFactory.newClient(server.getConnectString(), new RetryOneTime(1));

        List<Future<Object>> futures = Lists.newArrayList();
        ExecutorService service = Executors.newCachedThreadPool();
        for (final CuratorFramework c : new CuratorFramework[] { client1, client2 }) {
            Future<Object> future = service.submit(new Callable<Object>() {
                @Override
                public Object call() throws Exception {
                    c.start();
                    DistributedBarrier barrier = new DistributedBarrier(c, "/barrier");
                    barrier.waitOnBarrier(10, TimeUnit.MILLISECONDS);
                    return null;
                }
            });
            futures.add(future);
        }

        Thread.sleep(1000);
        {
            CuratorFramework client = CuratorFrameworkFactory.newClient(server.getConnectString(),
                    new RetryOneTime(1));
            try {
                client.start();
                DistributedBarrier barrier = new DistributedBarrier(client, "/barrier");
                barrier.removeBarrier();
            } finally {
                IOUtils.closeQuietly(client);
            }
        }

        for (Future<Object> f : futures) {
            f.get();
        }
    } finally {
        IOUtils.closeQuietly(client1);
        IOUtils.closeQuietly(client2);
    }
}

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From source file:com.easarrive.image.thumbor.executer.service.impl.SQSNotificationHandlerForThumbor.java

private List<NotificationHandleResult<Message, Boolean>> ergodicS3EventMessageRecord(final Message message,
        S3EventMessageContent messageContent) throws AWSPluginException {
    List<S3EventMessageRecord> recordList = messageContent.getRecords();
    if (recordList == null) {
        throw new AWSPluginException("The S3EventMessageRecord list is null");
    }//from  w  w w.j a va2s  .  co  m
    if (recordList.size() < 1) {
        throw new AWSPluginException("The S3EventMessageRecord list is empty");
    }

    ExecutorService executorService = Executors.newCachedThreadPool();
    List<Future<NotificationHandleResult<Message, Boolean>>> resultList = new ArrayList<Future<NotificationHandleResult<Message, Boolean>>>();
    for (final S3EventMessageRecord s3EventMessageRecord : recordList) {
        Future<NotificationHandleResult<Message, Boolean>> future = executorService.submit(
                new SQSNotificationHandlerForThumborCallable(message, s3EventMessageRecord, generatePicture));
        resultList.add(future);
    }

    List<NotificationHandleResult<Message, Boolean>> resutList = new ArrayList<NotificationHandleResult<Message, Boolean>>();
    //??
    for (Future<NotificationHandleResult<Message, Boolean>> fs : resultList) {
        try {
            NotificationHandleResult<Message, Boolean> result = fs.get();
            if (logger.isInfoEnabled()) {
                logger.info("The SQS message record ({}) result to handle is {}", result.getMessageId(),
                        result.getData());
            }
            resutList.add(result);
            if (!result.getData()) {
                break;
            }
        } catch (Exception e) {
            if (logger.isErrorEnabled()) {
                logger.error(e.getMessage(), e);
            }
        } finally {
            //????????
            executorService.shutdown();
        }
    }
    return resutList;
}

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From source file:com.buaa.cfs.common.portmap.Portmap.java

void start(final int idleTimeMilliSeconds, final SocketAddress tcpAddress, final SocketAddress udpAddress) {

    tcpServer = new ServerBootstrap(new NioServerSocketChannelFactory(Executors.newCachedThreadPool(),
            Executors.newCachedThreadPool()));
    tcpServer.setPipelineFactory(new ChannelPipelineFactory() {
        private final HashedWheelTimer timer = new HashedWheelTimer();
        private final IdleStateHandler idleStateHandler = new IdleStateHandler(timer, 0, 0,
                idleTimeMilliSeconds, TimeUnit.MILLISECONDS);

        @Override//from   w w w  .  j ava 2s.co  m
        public ChannelPipeline getPipeline() throws Exception {
            return Channels.pipeline(RpcUtil.constructRpcFrameDecoder(), RpcUtil.STAGE_RPC_MESSAGE_PARSER,
                    idleStateHandler, handler, RpcUtil.STAGE_RPC_TCP_RESPONSE);
        }
    });

    udpServer = new ConnectionlessBootstrap(new NioDatagramChannelFactory(Executors.newCachedThreadPool()));

    udpServer.setPipeline(
            Channels.pipeline(RpcUtil.STAGE_RPC_MESSAGE_PARSER, handler, RpcUtil.STAGE_RPC_UDP_RESPONSE));

    tcpChannel = tcpServer.bind(tcpAddress);
    udpChannel = udpServer.bind(udpAddress);
    allChannels.add(tcpChannel);
    allChannels.add(udpChannel);

    LOG.info("Portmap server started at tcp://" + tcpChannel.getLocalAddress() + ", udp://"
            + udpChannel.getLocalAddress());
}

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From source file:com.google.cloud.bigtable.hbase.TestCreateTable.java

/**
 * Requirement 1.8 - Table names must match [_a-zA-Z0-9][-_.a-zA-Z0-9]*
 *//*from w w  w .  ja va  2s  .c om*/
@Test(timeout = 1000l * 60 * 4)
public void testTableNames() throws IOException {
    String shouldTest = System.getProperty("bigtable.test.create.table", "true");
    if (!"true".equals(shouldTest)) {
        return;
    }
    String[] goodNames = { "a", "1", "_", // Really?  Yuck.
            "_x", "a-._5x", "_a-._5x",
            // TODO(sduskis): Join the last 2 strings once the Bigtable backend supports table names
            // longer than 50 characters.
            "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghi", "jklmnopqrstuvwxyz1234567890_-." };
    String[] badNames = { "-x", ".x", "a!", "a@", "a#", "a$", "a%", "a^", "a&", "a*", "a(", "a+", "a=", "a~",
            "a`", "a{", "a[", "a|", "a\\", "a/", "a<", "a,", "a?",
            "a" + RandomStringUtils.random(10, false, false) };

    final Admin admin = getConnection().getAdmin();

    for (String badName : badNames) {
        boolean failed = false;
        try {
            admin.createTable(new HTableDescriptor(TableName.valueOf(badName))
                    .addFamily(new HColumnDescriptor(COLUMN_FAMILY)));
        } catch (IllegalArgumentException e) {
            failed = true;
        }
        Assert.assertTrue("Should fail as table name: '" + badName + "'", failed);
    }

    final TableName[] tableNames = admin.listTableNames();

    List<ListenableFuture<Void>> futures = new ArrayList<>();
    ListeningExecutorService es = MoreExecutors.listeningDecorator(Executors.newCachedThreadPool());
    for (final String goodName : goodNames) {
        futures.add(es.submit(new Callable<Void>() {
            @Override
            public Void call() throws IOException {
                createTable(admin, goodName, tableNames);
                return null;
            }
        }));
    }
    try {
        try {
            Futures.allAsList(futures).get(3, TimeUnit.MINUTES);
        } catch (Exception e) {
            throw new RuntimeException(e);
        }
    } finally {
        es.shutdownNow();
    }
}

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From source file:com.futureplatforms.kirin.extensions.databases.DatabasesBackend.java

public DatabasesBackend(Context context) {
    this(context, null, null, Executors.newCachedThreadPool(), Executors.newFixedThreadPool(1));
}

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