Example usage for java.util.concurrent Executors newScheduledThreadPool

Introduction

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

Prototype

public static ScheduledExecutorService newScheduledThreadPool(int corePoolSize) 

Source Link

Document

Creates a thread pool that can schedule commands to run after a given delay, or to execute periodically.

Usage

From source file:com.janrain.backplane2.server.config.Backplane2Config.java

private ScheduledExecutorService createPingTask() {
    ScheduledExecutorService ping = Executors.newScheduledThreadPool(1);
    ping.scheduleWithFixedDelay(new Runnable() {
        @Override/*  ww  w  . j  a  v a  2  s .  c  om*/
        public void run() {
            com.janrain.redis.Redis.getInstance().ping();
        }
    }, 30, 10, TimeUnit.SECONDS);
    return ping;
}

---

From source file:org.osgp.adapter.protocol.dlms.application.config.DlmsConfig.java

@Bean
public ScheduledExecutorService scheduledExecutorService(
        @Value("${executor.scheduled.poolsize}") final int poolsize) {
    return Executors.newScheduledThreadPool(poolsize);
}

---

From source file:org.opendaylight.groupbasedpolicy.renderer.opflex.lib.OpflexConnectionServiceTest.java

@Before
public void setUp() throws Exception {
    MockitoAnnotations.initMocks(this);

    int numCPU = Runtime.getRuntime().availableProcessors();
    executor = Executors.newScheduledThreadPool(numCPU * 2);

    /*//w w w . j  a  va 2  s  . co m
     * Mocks
     */
    when(mockDataBroker.newReadOnlyTransaction()).thenReturn(mockRead);
    when(mockDataBroker.newWriteOnlyTransaction()).thenReturn(mockWrite);
    when(mockWrite.submit()).thenReturn(mockStatus);
    when(mockRead.read(LogicalDatastoreType.CONFIGURATION, OpflexConnectionService.DISCOVERY_IID))
            .thenReturn(mockOption);
    when(mockOption.get()).thenReturn(mockDao);
    when(mockDao.get()).thenReturn(dummyDefinitions);

    /*
     * Builders for creating our own discovery definitions
     */
    discoveryBuilder = new DiscoveryDefinitionsBuilder();
    eprBuilder = new EndpointRegistryBuilder();
    prBuilder = new PolicyRepositoryBuilder();
    oBuilder = new ObserverBuilder();

    int testPort = getAvailableServerPort();
    if (testPort == 0) {
        assertTrue(1 == 0);
    }
    System.setProperty(OpflexConnectionService.OPFLEX_LISTENPORT, Integer.toString(testPort));
    System.setProperty(OpflexConnectionService.OPFLEX_LISTENIP, TEST_IP);
}

---

From source file:com.att.nsa.cambria.backends.kafka.KafkaConsumerCache.java

/**
 * Creates a KafkaConsumerCache object. Before it is used, you must call
 * startCache()/*from   w w  w  .ja  v a2s  .  com*/
 * 
 * @param apiId
 * @param s
 * @param metrics
 */
public KafkaConsumerCache(String apiId, MetricsSet metrics) {

    if (apiId == null) {
        throw new IllegalArgumentException("API Node ID must be specified.");
    }

    fApiId = apiId;
    //   fSettings = s;
    fMetrics = metrics;
    String strkSetting_ZkBasePath = AJSCPropertiesMap.getProperty(CambriaConstants.msgRtr_prop,
            kSetting_ZkBasePath);
    if (null == strkSetting_ZkBasePath)
        strkSetting_ZkBasePath = kDefault_ZkBasePath;
    fBaseZkPath = strkSetting_ZkBasePath;

    fConsumers = new ConcurrentHashMap<String, KafkaConsumer>();
    fSweepScheduler = Executors.newScheduledThreadPool(1);

    curatorConsumerCache = null;

    status = Status.NOT_STARTED;

    listener = new ConnectionStateListener() {
        public void stateChanged(CuratorFramework client, ConnectionState newState) {
            if (newState == ConnectionState.LOST) {
                log.info("ZooKeeper connection expired");
                handleConnectionLoss();
            } else if (newState == ConnectionState.READ_ONLY) {
                log.warn("ZooKeeper connection set to read only mode.");
            } else if (newState == ConnectionState.RECONNECTED) {
                log.info("ZooKeeper connection re-established");
                handleReconnection();
            } else if (newState == ConnectionState.SUSPENDED) {
                log.warn("ZooKeeper connection has been suspended.");
                handleConnectionSuspended();
            }
        }
    };
}

---

From source file:com.btoddb.chronicle.plunkers.HdfsPlunkerImplIT.java

@Test
@Ignore("very flakey, need to work out a more stable way of testing")
public void testLongRun() throws Exception {
    plunker.setIdleTimeout(0);//  w w w  .  j av a2s .c om
    plunker.setRollPeriod(2);
    plunker.setTimeoutCheckPeriod(100);
    plunker.init(config);

    final int sleep = 200;
    final int maxCount = 100; // 20 seconds at 'sleep' interval should be 10 files
    final AtomicInteger count = new AtomicInteger();

    // do this to prime HDFS FileSystem object - otherwise timing is off
    plunker.handleInternal(Arrays.asList(new Event("the-body").withHeader("customer", "cust")
            .withHeader("msgId", String.valueOf(count.getAndIncrement()))));

    ScheduledExecutorService executor = Executors.newScheduledThreadPool(1);
    System.out.println("start");
    executor.scheduleWithFixedDelay(new Runnable() {
        @Override
        public void run() {
            try {
                System.out.println("time = " + System.currentTimeMillis());
                plunker.handleInternal(Arrays.asList(new Event("the-body").withHeader("customer", "cust")
                        .withHeader("msgId", String.valueOf(count.get()))));
            } catch (Exception e) {
                e.printStackTrace();
            }

            count.incrementAndGet();
        }
    }, 0, sleep, TimeUnit.MILLISECONDS);

    while (count.get() < maxCount) {
        Thread.sleep(sleep / 2);
    }

    executor.shutdown();
    executor.awaitTermination(60, TimeUnit.SECONDS);

    Thread.sleep(1500);

    plunker.shutdown();

    Event[] events = new Event[count.get()];
    for (int i = 0; i < count.get(); i++) {
        events[i] = new Event("the-body").withHeader("customer", "cust").withHeader("msgId", String.valueOf(i));
    }

    File theDir = new File(String.format("%s/the/cust/path", baseDir.getPath()));

    assertThat(theDir, ftUtils.countWithSuffix(".tmp", 0));
    assertThat(theDir, ftUtils.countWithSuffix(".avro", 10));

    assertThat(theDir, ftUtils.hasEventsInDir(events));
}

---

From source file:it.polimi.tower4clouds.manager.MonitoringManager.java

public MonitoringManager(ManagerConfig config) throws Exception {
    this.config = config;
    validator = new RulesValidator();

    RspKbAPI.KB_NAME_SPACE = MO.URI;
    RspKbAPI.KB_NS_PREFIX = MO.prefix;//from   w w  w .j av a  2 s.  c o  m

    knowledgeBase = new RspKbAPI(config.getDaUrl());
    dataAnalyzer = new RSP_services_csparql_API(config.getDaUrl());

    logger.info("Checking if Data Analyzer is reachable");
    NetUtil.waitForResponseCode(config.getDaUrl() + "/queries", 200, MAX_KEEP_ALIVE, 5000);
    logger.info("Resetting KB");
    knowledgeBase.clearAll();
    logger.info("Resetting DA");
    resetDA();

    registeredDCs = new ConcurrentHashMap<String, DCDescriptor>();
    dcsKeepAlive = new ConcurrentHashMap<String, Integer>();
    dcsKATimestamp = new ConcurrentHashMap<String, Long>();
    registeredResources = new ConcurrentHashMap<String, Resource>();
    resourcesKeepAlive = new ConcurrentHashMap<String, Integer>();
    resourcesKATimestamp = new ConcurrentHashMap<String, Long>();

    queryFactory = new QueryFactory();

    actionsExecutor = Executors.newFixedThreadPool(1);
    keepAliveScheduler = Executors.newScheduledThreadPool(1);
    keepAliveScheduler.scheduleAtFixedRate(new keepAliveChecker(), 0, keepAliveCheckPeriod, TimeUnit.SECONDS);

    logger.info("Uploading ontology to KB");
    knowledgeBase.putModel(MO.model, ManagerConfig.MODEL_GRAPH_NAME);

    if (config.getRdfHistoryDbIP() != null) {
        rdfHistoryDB = new RdfHistoryDBAPI(config.getRdfHistoryDbIP(), config.getRdfHistoryDbPort());
        rdfHistoryDB.setAsync(true);
    }
    // initSelfMonitoring();
}

---

From source file:info.raack.appliancelabeler.service.DefaultDataService.java

@PostConstruct
public void init() throws JAXBException, SAXException {
    lastDatapoints = new HashMap<String, Long>();

    // initialize email reloader daily
    scheduler = Executors.newScheduledThreadPool(1);
    scheduler.scheduleWithFixedDelay(new ReloadUserEmailRunnable(), 0, 5, TimeUnit.MINUTES);
}

---

From source file:org.commonreality.sensors.base.BaseSensor.java

@Override
public void start() throws Exception {
    try {/*ww  w.j a  v a 2s  . co m*/
        _realtimeClock = new RealtimeClock(getCommonReality(), Executors.newScheduledThreadPool(1));
        super.start();
        if (LOGGER.isDebugEnabled())
            LOGGER.debug("Executing committer");
        execute(_committer);
    } catch (Exception e) {
        LOGGER.error("Failed to start properly", e);
        throw e;
    }
}

---

From source file:com.vmware.photon.controller.common.xenon.XenonRestClientTest.java

private BasicServiceHost[] setUpMultipleHosts(Integer hostCount) throws Throwable {

    BasicServiceHost[] hosts = new BasicServiceHost[hostCount];
    InetSocketAddress[] servers = new InetSocketAddress[hostCount];
    for (Integer i = 0; i < hostCount; i++) {
        hosts[i] = BasicServiceHost.create();
        hosts[i].setMaintenanceIntervalMicros(TimeUnit.MILLISECONDS.toMicros(100));
        hosts[i].startServiceSynchronously(ExampleService.createFactory(), null, ExampleService.FACTORY_LINK);

        servers[i] = new InetSocketAddress(hosts[i].getPreferredAddress(), hosts[i].getPort());
    }/*from ww  w . j  ava  2s . c  om*/

    if (hostCount > 1) {
        // join peer node group
        BasicServiceHost host = hosts[0];
        for (int i = 1; i < hosts.length; i++) {
            BasicServiceHost peerHost = hosts[i];
            ServiceHostUtils.joinNodeGroup(peerHost, host.getUri().getHost(), host.getPort());
        }

        ServiceHostUtils.waitForNodeGroupConvergence(hosts,
                com.vmware.xenon.services.common.ServiceUriPaths.DEFAULT_NODE_GROUP,
                ServiceHostUtils.DEFAULT_NODE_GROUP_CONVERGENCE_MAX_RETRIES,
                ServiceHostUtils.DEFAULT_NODE_GROUP_CONVERGENCE_SLEEP);
    }

    StaticServerSet serverSet = new StaticServerSet(servers);
    xenonRestClient = spy(new XenonRestClient(serverSet, Executors.newFixedThreadPool(1),
            Executors.newScheduledThreadPool(1)));
    xenonRestClient.start();
    return hosts;
}

---

From source file:org.apache.apex.malhar.lib.db.jdbc.AbstractJdbcPollInputOperator.java

@Override
public void setup(OperatorContext context) {
    super.setup(context);
    dslContext = createDSLContext();//from  w w  w  . j a v a 2 s  .  c o  m
    if (scanService == null) {
        scanService = Executors.newScheduledThreadPool(1);
    }
    execute = true;
    emitQueue = new LinkedBlockingQueue<>(queueCapacity);
    windowManager.setup(context);
}

---

• «
• 1
• 2
• 3
• 4
• 5
• 6
• 7
• 8
• 9
• 10
• 11
• 12
• 13
• 14
• 15
• 16
• 17
• 18
• 19
• 20
• 21
• 22
• 23
• 24
• 25
• 26
• 27
• 28
• 29
• »