Package com.linkedin.d2.balancer.servers

Examples of com.linkedin.d2.balancer.servers.ZooKeeperConnectionManager$Listener

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        "/test", "random", null,
        Collections.<String, Object>emptyMap(),
        null, null, schemes, null));

    // first we announce uri with empty partition data map
    _uriRegistry.put("cluster-1", new UriProperties("cluster-1", uriData));

    TrackerClient client = _state.getClient("service-1", uri);

    assertNotNull(client);
    assertEquals(client.getUri(), uri);
    // tracker client should see empty partition data map
    assertTrue(client.getParttitionDataMap().isEmpty());

    // then we update this uri to have a non-empty partition data map
    partitionDataMap.put(DefaultPartitionAccessor.DEFAULT_PARTITION_ID, new PartitionData(1d));
    _uriRegistry.put("cluster-1", new UriProperties("cluster-1", uriData));

    TrackerClient updatedClient = _state.getClient("service-1", uri);

    assertNotNull(updatedClient);
    // should have got a different tracker client
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    ZooKeeperPermanentStore<ClusterProperties> zkClusterRegistry = createPermanentStore(
            zkConnection, ZKFSUtil.clusterPath(_baseZKPath), new ClusterPropertiesJsonSerializer());
    ZooKeeperPermanentStore<ServiceProperties> zkServiceRegistry = createPermanentStore(
            zkConnection, ZKFSUtil.servicePath(_baseZKPath, _d2ServicePath), new ServicePropertiesJsonSerializer());
    ZooKeeperEphemeralStore<UriProperties> zkUriRegistry =  createEphemeralStore(
            zkConnection, ZKFSUtil.uriPath(_baseZKPath), new UriPropertiesJsonSerializer(), new UriPropertiesMerger());

    FileStore<ClusterProperties> fsClusterStore = createFileStore("clusters", new ClusterPropertiesJsonSerializer());
    FileStore<ServiceProperties> fsServiceStore = createFileStore(_d2ServicePath, new ServicePropertiesJsonSerializer());
    FileStore<UriProperties> fsUriStore = createFileStore("uris", new UriPropertiesJsonSerializer());

    PropertyEventBus<ClusterProperties> clusterBus = new PropertyEventBusImpl<ClusterProperties>(executorService);
    PropertyEventBus<ServiceProperties> serviceBus = new PropertyEventBusImpl<ServiceProperties>(executorService);
    PropertyEventBus<UriProperties> uriBus = new PropertyEventBusImpl<UriProperties>(executorService);
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    ZooKeeperPermanentStore<ClusterProperties> zkClusterRegistry = createPermanentStore(
            zkConnection, ZKFSUtil.clusterPath(_baseZKPath), new ClusterPropertiesJsonSerializer());
    ZooKeeperPermanentStore<ServiceProperties> zkServiceRegistry = createPermanentStore(
            zkConnection, ZKFSUtil.servicePath(_baseZKPath, _d2ServicePath), new ServicePropertiesJsonSerializer());
    ZooKeeperEphemeralStore<UriProperties> zkUriRegistry =  createEphemeralStore(
            zkConnection, ZKFSUtil.uriPath(_baseZKPath), new UriPropertiesJsonSerializer(), new UriPropertiesMerger());

    FileStore<ClusterProperties> fsClusterStore = createFileStore("clusters", new ClusterPropertiesJsonSerializer());
    FileStore<ServiceProperties> fsServiceStore = createFileStore(_d2ServicePath, new ServicePropertiesJsonSerializer());
    FileStore<UriProperties> fsUriStore = createFileStore("uris", new UriPropertiesJsonSerializer());
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    _announcer.setWeight(1d);

    return new ZooKeeperConnectionManager(_zkHostname + ":" + _zkPort,
                                          _sessionTimeoutInMs,
                                          _basePath,
                                          new ZKUriStoreFactory(),
                                          _announcer);
  }
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  public ZooKeeperConnectionManager build()
  {
    _announcer.setWeight(1d);

    return new ZooKeeperConnectionManager(_zkHostname + ":" + _zkPort,
                                          _sessionTimeoutInMs,
                                          _basePath,
                                          new ZKUriStoreFactory(),
                                          _announcer);
  }
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    // write D2-related configuration to ZooKeeper
    // all the configuration here are permanent, no need to re-write as long as ZooKeeper still has the data
    // therefore in real case, do this "discovery" step separately

    final HttpServer server = RestLiExampleBasicServer.createServer();
    final ZooKeeperConnectionManager zkConn = createZkConn();

    startServer(server, zkConn);

    System.out.println("Example server with D2 is running with URL " + RestLiExampleBasicServer.getServerUrl() + ". Press any key to stop server.");
    System.in.read();
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    //create d2 announcers (for announcing the existence of these servers to the world)
    ZooKeeperAnnouncer[] zkAnnouncers = createZkAnnouncers(d2ServersConfigs);

    //manager will keep track of the lifecycle of d2 announcers i.e. start publishing
    //once connected to zookeeper, reconnect if zookeeper is disconnected, etc
    ZooKeeperConnectionManager manager = createZkManager(json, zkAnnouncers);

    System.out.println("Starting zookeeper announcers");
    ExecutorService executorService = Executors.newSingleThreadExecutor();
    startAnnouncers(manager, executorService, timeout);
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    ZKUriStoreFactory factory = new ZKUriStoreFactory();
    String zkConnectString = (String)json.get("zkConnectString");
    int zkRetryLimit = ((Long)json.get("zkRetryLimit")).intValue();
    int zkSessionTimeout = ((Long)json.get("zkSessionTimeout")).intValue();
    String zkBasePath = (String)json.get("zkBasePath");
    return new ZooKeeperConnectionManager(zkConnectString,
                                          zkSessionTimeout,
                                          zkBasePath,
                                          factory,
                                          zkRetryLimit,
                                          zkAnnouncers);
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    //create d2 announcers (for announcing the existence of these servers to the world)
    ZooKeeperAnnouncer[] zkAnnouncers = createZkAnnouncers(d2ServersConfigs);

    //manager will keep track of the lifecycle of d2 announcers i.e. start publishing
    //once connected to zookeeper, reconnect if zookeeper is disconnected, etc
    ZooKeeperConnectionManager manager = createZkManager(json, zkAnnouncers);

    System.out.println("Starting zookeeper announcers");
    ExecutorService executorService = Executors.newSingleThreadExecutor();
    startAnnouncers(manager, executorService, timeout);
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    ZKUriStoreFactory factory = new ZKUriStoreFactory();
    String zkConnectString = (String)json.get("zkConnectString");
    int zkRetryLimit = ((Long)json.get("zkRetryLimit")).intValue();
    int zkSessionTimeout = ((Long)json.get("zkSessionTimeout")).intValue();
    String zkBasePath = (String)json.get("zkBasePath");
    return new ZooKeeperConnectionManager(zkConnectString,
                                          zkSessionTimeout,
                                          zkBasePath,
                                          factory,
                                          zkRetryLimit,
                                          zkAnnouncers);
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