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

Example 71 with ExponentialBackoffRetry

use of org.apache.curator.retry.ExponentialBackoffRetry in project helios by spotify.

the class DeploymentGroupTest method setUp.

@Before
public void setUp() throws Exception {
    MockitoAnnotations.initMocks(this);
    zkServer = new TestingServer(true);
    final CuratorFramework curatorFramework = CuratorFrameworkFactory.builder().connectString(zkServer.getConnectString()).retryPolicy(new ExponentialBackoffRetry(100, 3)).build();
    client = new DefaultZooKeeperClient(curatorFramework);
    client.start();
}

Example 72 with ExponentialBackoffRetry

use of org.apache.curator.retry.ExponentialBackoffRetry in project exhibitor by soabase.

the class Exhibitor method getLocalConnection.

/**
 * Return a connection ot the ZK instance (creating it if needed)
 *
 * @return connection
 * @throws IOException errors
 */
public synchronized CuratorFramework getLocalConnection() throws IOException {
    if (localConnection == null) {
        CuratorFrameworkFactory.Builder builder = CuratorFrameworkFactory.builder().connectString("localhost:" + configManager.getConfig().getInt(IntConfigs.CLIENT_PORT)).sessionTimeoutMs(arguments.connectionTimeOutMs * 10).connectionTimeoutMs(arguments.connectionTimeOutMs).retryPolicy(new ExponentialBackoffRetry(1000, 3));
        if (arguments.aclProvider != null) {
            builder = builder.aclProvider(arguments.aclProvider);
        }
        localConnection = builder.build();
        localConnection.start();
    }
    return localConnection;
}

Example 73 with ExponentialBackoffRetry

use of org.apache.curator.retry.ExponentialBackoffRetry in project dubbo by alibaba.

the class ZKTools method testTreeCache.

public static void testTreeCache() throws Exception {
    CuratorFramework client = CuratorFrameworkFactory.newClient("127.0.0.1:2181", 60 * 1000, 60 * 1000, new ExponentialBackoffRetry(1000, 3));
    client.start();
    CountDownLatch latch = new CountDownLatch(1);
    TreeCache treeCache = TreeCache.newBuilder(client, "/dubbo/config").setCacheData(true).build();
    treeCache.start();
    treeCache.getListenable().addListener(new TreeCacheListener() {

        @Override
        public void childEvent(CuratorFramework client, TreeCacheEvent event) throws Exception {
            TreeCacheEvent.Type type = event.getType();
            ChildData data = event.getData();
            if (type == TreeCacheEvent.Type.INITIALIZED) {
                latch.countDown();
            }
            System.out.println(data.getPath() + "\n");
            if (data.getPath().split("/").length == 5) {
                byte[] value = data.getData();
                String stringValue = new String(value, StandardCharsets.UTF_8);
                // fire event to all listeners
                Map<String, Object> added = null;
                Map<String, Object> changed = null;
                Map<String, Object> deleted = null;
                switch(type) {
                    case NODE_ADDED:
                        added = new HashMap<>(1);
                        added.put(pathToKey(data.getPath()), stringValue);
                        added.forEach((k, v) -> System.out.println(k + "  " + v));
                        break;
                    case NODE_REMOVED:
                        deleted = new HashMap<>(1);
                        deleted.put(pathToKey(data.getPath()), stringValue);
                        deleted.forEach((k, v) -> System.out.println(k + "  " + v));
                        break;
                    case NODE_UPDATED:
                        changed = new HashMap<>(1);
                        changed.put(pathToKey(data.getPath()), stringValue);
                        changed.forEach((k, v) -> System.out.println(k + "  " + v));
                }
            }
        }
    });
    latch.await();
/* Map<String, ChildData> dataMap = treeCache.getCurrentChildren("/dubbo/config");
        dataMap.forEach((k, v) -> {
            System.out.println(k);
            treeCache.getCurrentChildren("/dubbo/config/" + k).forEach((ck, cv) -> {
                System.out.println(ck);
            });
        });*/
}

Example 74 with ExponentialBackoffRetry

use of org.apache.curator.retry.ExponentialBackoffRetry in project dubbo by alibaba.

the class ZKTools method main.

public static void main(String[] args) throws Exception {
    client = CuratorFrameworkFactory.newClient("127.0.0.1:2181", 60 * 1000, 60 * 1000, new ExponentialBackoffRetry(1000, 3));
    client.start();
    client.getCuratorListenable().addListener(new CuratorListener() {

        @Override
        public void eventReceived(CuratorFramework client, CuratorEvent event) throws Exception {
            System.out.println("event notification: " + event.getPath());
            System.out.println(event);
        }
    }, executor);
    testMigrationRule();
// tesConditionRule();
// testStartupConfig();
// testProviderConfig();
// testPathCache();
// testTreeCache();
// testCuratorListener();
// Thread.sleep(100000);
}

Example 75 with ExponentialBackoffRetry

use of org.apache.curator.retry.ExponentialBackoffRetry in project dubbo by alibaba.

the class ZookeeperDynamicConfigurationTest method setUp.

@BeforeEach
public void setUp() throws Exception {
    zkServer = new TestingServer(zkServerPort, true);
    client = CuratorFrameworkFactory.newClient("127.0.0.1:" + zkServerPort, 60 * 1000, 60 * 1000, new ExponentialBackoffRetry(1000, 3));
    client.start();
    try {
        setData("/dubbo/config/dubbo/dubbo.properties", "The content from dubbo.properties");
        setData("/dubbo/config/appname", "The content from higher level node");
        setData("/dubbo/config/dubbo/never.change.DemoService.configurators", "Never change value from configurators");
    } catch (Exception e) {
        e.printStackTrace();
    }
    configUrl = URL.valueOf("zookeeper://127.0.0.1:" + zkServerPort);
    configuration = ExtensionLoader.getExtensionLoader(DynamicConfigurationFactory.class).getExtension(configUrl.getProtocol()).getDynamicConfiguration(configUrl);
}