Package com.linkedin.d2.balancer

Examples of com.linkedin.d2.balancer.Facilities

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      ZKFSLoadBalancer balancer = getBalancer();
      FutureCallback<None> callback = new FutureCallback<None>();
      balancer.start(callback);
      callback.get(30, TimeUnit.SECONDS);

      Directory dir = balancer.getDirectory();

      ZKConnection conn = new ZKConnection("localhost:" + PORT, 30000);
      conn.start();

      ZooKeeperPermanentStore<ServiceProperties> store =
              new ZooKeeperPermanentStore<ServiceProperties>(conn, new ServicePropertiesJsonSerializer(), ZKFSUtil.servicePath(BASE_PATH));
      callback = new FutureCallback<None>();
      store.start(callback);
      callback.get(30, TimeUnit.SECONDS);

      ServiceProperties props = new ServiceProperties(TEST_SERVICE_NAME, "someCluster", "/somePath", "someStrategy");
      store.put(TEST_SERVICE_NAME, props);

      FutureCallback<List<String>> serviceCallback = new FutureCallback<List<String>>();
      dir.getServiceNames(serviceCallback);

      Assert.assertEquals(serviceCallback.get(30, TimeUnit.SECONDS), Collections.singletonList(TEST_SERVICE_NAME));
    }
    finally
    {
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      ZKFSLoadBalancer balancer = getBalancer();
      FutureCallback<None> callback = new FutureCallback<None>();
      balancer.start(callback);
      callback.get(30, TimeUnit.SECONDS);

      Directory dir = balancer.getDirectory();

      ZKConnection conn = new ZKConnection("localhost:" + PORT, 30000);
      conn.start();

      ZooKeeperPermanentStore<ClusterProperties> store =
              new ZooKeeperPermanentStore<ClusterProperties>(conn, new ClusterPropertiesJsonSerializer(),
                                                             ZKFSUtil.clusterPath(BASE_PATH));
      callback = new FutureCallback<None>();
      store.start(callback);
      callback.get(30, TimeUnit.SECONDS);

      ClusterProperties props = new ClusterProperties(TEST_CLUSTER_NAME);
      store.put(TEST_CLUSTER_NAME, props);

      FutureCallback<List<String>> clusterCallback = new FutureCallback<List<String>>();
      dir.getClusterNames(clusterCallback);

      Assert.assertEquals(clusterCallback.get(30, TimeUnit.SECONDS), Collections.singletonList(TEST_CLUSTER_NAME));
    }
    finally
    {
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      ZKFSLoadBalancer balancer = getBalancer();
      FutureCallback<None> callback = new FutureCallback<None>();
      balancer.start(callback);
      callback.get(30, TimeUnit.SECONDS);

      Facilities facilities = balancer.getFacilities();
      TransportClientFactory factory = facilities.getClientFactory("http");
      Assert.assertNotNull(factory);
      Assert.assertTrue(factory instanceof HttpClientFactory);
    }
    finally
    {
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  {
    TestLoadBalancer balancer = new TestLoadBalancer(false);
    DirectoryProvider dirProvider = new TestDirectoryProvider();
    KeyMapperProvider keyMapperProvider = new TestKeyMapperProvider();
    ClientFactoryProvider clientFactoryProvider = new TestClientFactoryProvider();
    Facilities facilities = new DelegatingFacilities(dirProvider, keyMapperProvider, clientFactoryProvider);
    DynamicClient client = new DynamicClient(balancer, facilities);
    URI uri = URI.create("d2://test");
    RestRequest restRequest = new RestRequestBuilder(uri).build();
    TestCallback<RestResponse> restCallback = new TestCallback<RestResponse>();

    client.restRequest(restRequest, restCallback);

    assertNull(restCallback.e);
    assertNotNull(restCallback.t);

    RpcRequest rpcRequest = new RpcRequestBuilder(uri).build();
    TestCallback<RpcResponse> rpcCallback = new TestCallback<RpcResponse>();

    client.rpcRequest(rpcRequest, rpcCallback);

    assertNotNull(rpcCallback.e);
    assertNull(rpcCallback.t);

    Facilities myFacilities = client.getFacilities();
    assertNotNull(facilities, "facilities should not be null");
  }
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    assertNotNull(restCallback.e);
    assertTrue(restCallback.e instanceof ServiceUnavailableException);
    assertNull(restCallback.t);

    Facilities facilities = client.getFacilities();
    assertNull(facilities, "facilities should be null");
  }
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        keys.add(ii);
      }

      for (int ii=0; ii<NUM_ITERATIONS; ++ii)
      {
        KeyMapper mapper = balancer.getKeyMapper();
        @SuppressWarnings("deprecation")
        Map<URI, Set<Integer>> batches = mapper.mapKeys(URI.create("d2://"+TEST_SERVICE_NAME), keys);
        Assert.assertEquals(batches.size(), 2);
        for (Map.Entry<URI, Set<Integer>> oneBatch : batches.entrySet())
        {
          Assert.assertTrue(oneBatch.getKey().toString().startsWith("http://test-host-"));
          Assert.assertTrue(keys.containsAll(oneBatch.getValue()));
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                  _config.clientServicesConfig,
                  _config.d2ServicePath);

    final LoadBalancerWithFacilities loadBalancer = loadBalancerFactory.create(cfg);

    D2Client d2Client = new DynamicClient(loadBalancer, loadBalancer);

    /**
     * If we created default transport client factories, we need to shut them down when d2Client
     * is being shut down.
     */
 
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  public TrackerClient getClient(String serviceName, URI uri)
  {
    if (_partitionDescriptions.get(uri) != null)
    {
      // shorten the update interval to 20ms in order to increase the possibility of deadlock
      _trackerClients.putIfAbsent(uri, new TrackerClient(uri, _partitionDescriptions.get(uri), null, new SettableClock(), null, 20));

      return _trackerClients.get(uri);
    }
    return null;
  }
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  @Override
  public TrackerClient getClient(String clusterName, URI uri)
  {
    Map<Integer, PartitionData> partitionDataMap = new HashMap<Integer, PartitionData>(2);
    partitionDataMap.put(DefaultPartitionAccessor.DEFAULT_PARTITION_ID, new PartitionData(1));
    return (getClient) ? new TrackerClient(uri, partitionDataMap, new TestClient()) : null;
  }
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  @Override
  public TrackerClient getClient(String clusterName, URI uri)
  {
    Map<Integer, PartitionData> partitionDataMap = new HashMap<Integer, PartitionData>(2);
    partitionDataMap.put(DefaultPartitionAccessor.DEFAULT_PARTITION_ID, new PartitionData(1));
    return (getClient) ? new TrackerClient(uri, partitionDataMap, new TestClient()) : null;
  }
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Related Classes of com.linkedin.d2.balancer.Facilities

  • com.example.d2.client.BigDataClientExample
  • com.example.d2.client.CacheClientExample
  • com.example.d2.client.EmailClientExample
  • com.example.d2.client.ExampleD2Client
  • com.example.d2.client.ProfileClientExample
  • com.example.d2.server.ExampleD2Server
  • com.linkedin.d2.balancer.clients.DynamicClient
  • com.linkedin.d2.balancer.clients.DynamicClientTest
  • com.linkedin.d2.balancer.clients.DynamicClientTest$TestLoadBalancer
  • com.linkedin.d2.balancer.clients.RewriteClientTest
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