Examples with RetryNTimes org.apache.curator.retry.RetryNTimes used on opensource projects

Example 11 with RetryNTimes

use of org.apache.curator.retry.RetryNTimes in project microservices by pwillhan.

the class ZookeeperServiceDiscovery method getGeolocationServiceProvider.

private static ServiceProvider<Object> getGeolocationServiceProvider() throws Exception {
    if (geolocationServiceProvider == null) {
        CuratorFramework curatorFramework = CuratorFrameworkFactory.newClient("192.168.99.100:2181", new RetryNTimes(5, 1000));
        curatorFramework.start();
        ServiceDiscovery<Object> serviceDiscovery = ServiceDiscoveryBuilder.builder(Object.class).basePath("com.packt.microservices").client(curatorFramework).build();
        serviceDiscovery.start();
        geolocationServiceProvider = serviceDiscovery.serviceProviderBuilder().serviceName("geolocation").build();
        geolocationServiceProvider.start();
    }
    return geolocationServiceProvider;
}

Example 12 with RetryNTimes

use of org.apache.curator.retry.RetryNTimes in project fabric8 by jboss-fuse.

the class ServiceFactoryTest method infraUp.

@Before
public void infraUp() throws Exception {
    int tickTime = 500;
    int numConnections = 5000;
    File dir = new File("target", "zookeeper" + random.nextInt()).getAbsoluteFile();
    server = new ZooKeeperServer(dir, dir, tickTime);
    standaloneServerFactory = createFactory(0, numConnections);
    zkPort = standaloneServerFactory.getLocalPort();
    System.setProperty("zookeeper.url", "localhost:" + zkPort);
    standaloneServerFactory.startup(server);
    CuratorFrameworkFactory.Builder builder = CuratorFrameworkFactory.builder().connectString("localhost:" + zkPort).sessionTimeoutMs(5000).retryPolicy(new RetryNTimes(5000, 1000));
    curator = builder.build();
    LOG.debug("Starting curator " + curator);
    curator.start();
}

Example 13 with RetryNTimes

use of org.apache.curator.retry.RetryNTimes in project fabric8 by jboss-fuse.

the class ServiceFactoryTest method testDiscoveryOnRestartCurator.

@Test
public void testDiscoveryOnRestartCurator() throws Exception {
    underTest = new ActiveMQServiceFactory();
    underTest.curator = curator;
    Properties props = new Properties();
    props.put("config", "amq.xml");
    props.put("broker-name", "amq");
    props.put("group", "amq");
    props.put("connectors", "openwire");
    props.put("openwire-port", "0");
    props.put("container.ip", "localhost");
    underTest.updated("b", props);
    final AtomicReference<CuratorFramework> curatorFrameworkAtomicReference = new AtomicReference<>(curator);
    OsgiFabricDiscoveryAgent osgiFabricDiscoveryAgent = new OsgiFabricDiscoveryAgent(new BundleContext() {

        @Override
        public String getProperty(String s) {
            return null;
        }

        @Override
        public Bundle getBundle() {
            return null;
        }

        @Override
        public Bundle installBundle(String s, InputStream inputStream) throws BundleException {
            return null;
        }

        @Override
        public Bundle installBundle(String s) throws BundleException {
            return null;
        }

        @Override
        public Bundle getBundle(long l) {
            return null;
        }

        @Override
        public Bundle[] getBundles() {
            return new Bundle[0];
        }

        @Override
        public void addServiceListener(ServiceListener serviceListener, String s) throws InvalidSyntaxException {
        }

        @Override
        public void addServiceListener(ServiceListener serviceListener) {
        }

        @Override
        public void removeServiceListener(ServiceListener serviceListener) {
        }

        @Override
        public void addBundleListener(BundleListener bundleListener) {
        }

        @Override
        public void removeBundleListener(BundleListener bundleListener) {
        }

        @Override
        public void addFrameworkListener(FrameworkListener frameworkListener) {
        }

        @Override
        public void removeFrameworkListener(FrameworkListener frameworkListener) {
        }

        @Override
        public ServiceRegistration<?> registerService(String[] strings, Object o, Dictionary<String, ?> dictionary) {
            return null;
        }

        @Override
        public ServiceRegistration<?> registerService(String s, Object o, Dictionary<String, ?> dictionary) {
            return null;
        }

        @Override
        public <S> ServiceRegistration<S> registerService(Class<S> aClass, S s, Dictionary<String, ?> dictionary) {
            return null;
        }

        @Override
        public ServiceReference<?>[] getServiceReferences(String s, String s1) throws InvalidSyntaxException {
            return new ServiceReference<?>[0];
        }

        @Override
        public ServiceReference<?>[] getAllServiceReferences(String s, String s1) throws InvalidSyntaxException {
            return new ServiceReference<?>[0];
        }

        @Override
        public ServiceReference<?> getServiceReference(String s) {
            return null;
        }

        @Override
        public <S> ServiceReference<S> getServiceReference(Class<S> aClass) {
            return null;
        }

        @Override
        public <S> Collection<ServiceReference<S>> getServiceReferences(Class<S> aClass, String s) throws InvalidSyntaxException {
            return null;
        }

        @Override
        public <S> S getService(ServiceReference<S> serviceReference) {
            return (S) curatorFrameworkAtomicReference.get();
        }

        @Override
        public boolean ungetService(ServiceReference<?> serviceReference) {
            return false;
        }

        @Override
        public File getDataFile(String s) {
            return null;
        }

        @Override
        public Filter createFilter(String s) throws InvalidSyntaxException {
            return null;
        }

        @Override
        public Bundle getBundle(String s) {
            return null;
        }
    });
    final LinkedBlockingQueue<DiscoveryEvent> discoveryEvents = new LinkedBlockingQueue<DiscoveryEvent>(10);
    osgiFabricDiscoveryAgent.setDiscoveryListener(new DiscoveryListener() {

        @Override
        public void onServiceAdd(DiscoveryEvent discoveryEvent) {
            discoveryEvents.offer(discoveryEvent);
        }

        @Override
        public void onServiceRemove(DiscoveryEvent discoveryEvent) {
        }
    });
    // will call into dummy bundle and get curator
    osgiFabricDiscoveryAgent.addingService(null);
    osgiFabricDiscoveryAgent.setGroupName("amq");
    osgiFabricDiscoveryAgent.start();
    DiscoveryEvent event = discoveryEvents.poll(5, TimeUnit.SECONDS);
    LOG.info("event: " + event);
    assertNotNull("got added service", event);
    underTest.deleted("b");
    // swap curator ref
    CuratorFrameworkFactory.Builder builder = CuratorFrameworkFactory.builder().connectString("localhost:" + zkPort).sessionTimeoutMs(15000).retryPolicy(new RetryNTimes(5000, 1000));
    curator = builder.build();
    LOG.debug("Starting new curator " + curator);
    curator.start();
    curatorFrameworkAtomicReference.get().close();
    curatorFrameworkAtomicReference.set(curator);
    // will call into dummy bundle and get new curator ref
    osgiFabricDiscoveryAgent.addingService(null);
    // start broker again
    underTest.curator = curator;
    underTest.updated("b", props);
    event = discoveryEvents.poll(5, TimeUnit.SECONDS);
    LOG.info("new event: " + event);
    assertNotNull("got newly added service", event);
    underTest.deleted("b");
}

Example 14 with RetryNTimes

use of org.apache.curator.retry.RetryNTimes in project xian by happyyangyuan.

the class TestFrameworkBackground method testListenerConnectedAtStart.

@Test
public void testListenerConnectedAtStart() throws Exception {
    server.stop();
    Timing timing = new Timing(2);
    CuratorFramework client = CuratorFrameworkFactory.newClient(server.getConnectString(), timing.session(), timing.connection(), new RetryNTimes(0, 0));
    try {
        client.start();
        final CountDownLatch connectedLatch = new CountDownLatch(1);
        final AtomicBoolean firstListenerAction = new AtomicBoolean(true);
        final AtomicReference<ConnectionState> firstListenerState = new AtomicReference<ConnectionState>();
        ConnectionStateListener listener = new ConnectionStateListener() {

            @Override
            public void stateChanged(CuratorFramework client, ConnectionState newState) {
                if (firstListenerAction.compareAndSet(true, false)) {
                    firstListenerState.set(newState);
                    System.out.println("First listener state is " + newState);
                }
                if (newState == ConnectionState.CONNECTED) {
                    connectedLatch.countDown();
                }
            }
        };
        client.getConnectionStateListenable().addListener(listener);
        // due to CURATOR-72, this was causing a LOST event to precede the CONNECTED event
        client.create().inBackground().forPath("/foo");
        server.restart();
        Assert.assertTrue(timing.awaitLatch(connectedLatch));
        Assert.assertFalse(firstListenerAction.get());
        ConnectionState firstconnectionState = firstListenerState.get();
        Assert.assertEquals(firstconnectionState, ConnectionState.CONNECTED, "First listener state MUST BE CONNECTED but is " + firstconnectionState);
    } finally {
        CloseableUtils.closeQuietly(client);
    }
}

Example 15 with RetryNTimes

use of org.apache.curator.retry.RetryNTimes in project xian by happyyangyuan.

the class TestFrameworkBackground method testRetries.

@Test
public void testRetries() throws Exception {
    final int SLEEP = 1000;
    final int TIMES = 5;
    Timing timing = new Timing();
    CuratorFramework client = CuratorFrameworkFactory.newClient(server.getConnectString(), timing.session(), timing.connection(), new RetryNTimes(TIMES, SLEEP));
    try {
        client.start();
        client.getZookeeperClient().blockUntilConnectedOrTimedOut();
        final CountDownLatch latch = new CountDownLatch(TIMES);
        final List<Long> times = Lists.newArrayList();
        final AtomicLong start = new AtomicLong(System.currentTimeMillis());
        ((CuratorFrameworkImpl) client).debugListener = new CuratorFrameworkImpl.DebugBackgroundListener() {

            @Override
            public void listen(OperationAndData<?> data) {
                if (data.getOperation().getClass().getName().contains("CreateBuilderImpl")) {
                    long now = System.currentTimeMillis();
                    times.add(now - start.get());
                    start.set(now);
                    latch.countDown();
                }
            }
        };
        server.stop();
        client.create().inBackground().forPath("/one");
        latch.await();
        for (// first one isn't a retry
        long elapsed : // first one isn't a retry
        times.subList(1, times.size())) {
            Assert.assertTrue(elapsed >= SLEEP, elapsed + ": " + times);
        }
    } finally {
        CloseableUtils.closeQuietly(client);
    }
}