Package com.linkedin.d2.balancer.LoadBalancerState

Examples of com.linkedin.d2.balancer.LoadBalancerState.NullStateListenerCallback

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    Map<URI, Map<Integer, PartitionData>> uriData = new HashMap<URI, Map<Integer, PartitionData>>();
    uriData.put(uri, partitionData);
    schemes.add("http");

    // set up state
    _state.listenToService("service-1", new NullStateListenerCallback());
    _state.listenToCluster("cluster-1", new NullStateListenerCallback());
    _state.setDelayedExecution(0);
    _serviceRegistry.put("service-1", new ServiceProperties("service-1",
                                                            "cluster-1",
                                                            "/test",
                                                            "random",
                                                            null,
                                                            Collections.<String, Object>emptyMap(),
                                                            Collections.<String, Object>emptyMap(),
                                                            Collections.<String, String>emptyMap(),
                                                            schemes,
                                                            Collections.<URI>emptySet()));

    _clusterRegistry.put("cluster-1", new ClusterProperties("cluster-1"));


    _uriRegistry.put("cluster-1", new UriProperties("cluster-1", uriData));

    URI uri1 = URI.create("http://partition-cluster-1/test1");
    URI uri2 = URI.create("http://partition-cluster-1/test2");

    _state.listenToCluster("partition-cluster-1", new NullStateListenerCallback());
    _clusterRegistry.put("partition-cluster-1", new ClusterProperties("partition-cluster-1", null,
        new HashMap<String, String>(), new HashSet<URI>(), new RangeBasedPartitionProperties("id=(\\d+)", 0, 100, 2)));

    _state.listenToService("partition-service-1", new NullStateListenerCallback());
    _serviceRegistry.put("partition-service-1",
        new ServiceProperties("partition-service-1",
            "partition-cluster-1", "/partition-test", "degraderV3", null, Collections.<String, Object>emptyMap(),
                                                                        Collections.<String, Object>emptyMap(),
                                                                        Collections.<String, String>emptyMap(),
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    Map<URI, Map<Integer, PartitionData>> uriData = new HashMap<URI, Map<Integer, PartitionData>>();
    uriData.put(uri, partitionData);
    schemes.add("http");

    // set up state
    _state.listenToCluster("cluster-1", new NullStateListenerCallback());

    // one for uri properties onInit, and one for cluster properties onInit
    expectedVersion += 2;

    assertEquals(_state.getVersion(), expectedVersion);

    _state.listenToService("service-1", new NullStateListenerCallback());

    // one for service onInit
    ++expectedVersion;

    assertEquals(_state.getVersion(), expectedVersion);
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    schemes.add("https");

    assertNull(_state.getClient("service-1", uri));

    // set up state
    _state.listenToCluster("cluster-1", new NullStateListenerCallback());

    assertNull(_state.getClient("service-1", uri));

    _state.listenToService("service-1", new NullStateListenerCallback());

    assertNull(_state.getClient("service-1", uri));

    Map<String,Object> transportClientProperties = new HashMap<String,Object>();
    transportClientProperties.put(HttpClientFactory.HTTP_SSL_CONTEXT, _sslContext);
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    schemes.add("http");

    assertNull(_state.getClient("service-1", uri));

    // set up state
    _state.listenToCluster("cluster-1", new NullStateListenerCallback());

    assertNull(_state.getClient("service-1", uri));

    _state.listenToService("service-1", new NullStateListenerCallback());

    assertNull(_state.getClient("service-1", uri));

    Map<String,Object> transportClientProperties = new HashMap<String,Object>();
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    schemes.add("http");

    assertNull(_state.getClient("service-1", uri));

    // set up state
    _state.listenToCluster("cluster-1", new NullStateListenerCallback());

    assertNull(_state.getClient("service-1", uri));

    _state.listenToService("service-1", new NullStateListenerCallback());

    assertNull(_state.getClient("service-1", uri));

    _serviceRegistry.put("service-1", new ServiceProperties("service-1", "cluster-1",
                                                            "/test", "random", null,
                                                            Collections.<String, Object>emptyMap(),
                                                             null, null, schemes, null));

    assertNull(_state.getClient("service-1", uri));

    _uriRegistry.put("cluster-1", new UriProperties("cluster-1", uriData));

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

    assertNotNull(client);
    assertEquals(client.getUri(), uri);

    //now we publish an event that tells service-1 changes cluster. Now it's hosted in cluster-2
    _serviceRegistry.put("service-1", new ServiceProperties("service-1", "cluster-2",
                                                            "/test", "random", null,
                                                            Collections.<String, Object>emptyMap(),
                                                             null, null, schemes, null));

    //this time, since we haven't listened to cluster-2 and there's no uri in cluster-2, we get no client.
    assertNull(_state.getClient("service-1", uri));

    //we shouldn't be affected by any update to cluster-1 uris because now service-1 listen to cluster-2
    _uriRegistry.put("cluster-1", new UriProperties("cluster-1", uriData));
    assertNull(_state.getClient("service-1", uri));

    //now let's create URI for cluster 2 and make the state listen to cluster_2
    _state.listenToCluster("cluster-2", new NullStateListenerCallback());

    URI uri2 = URI.create("http://cluster-2/test");
    Map<Integer, PartitionData> partitionData2 = new HashMap<Integer, PartitionData>(1);
    partitionData2.put(DefaultPartitionAccessor.DEFAULT_PARTITION_ID, new PartitionData(1d));
    Map<URI, Map<Integer, PartitionData>> uriData2 = new HashMap<URI, Map<Integer, PartitionData>>();
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    Map<Integer, PartitionData> partitionDataMap = new HashMap<Integer, PartitionData>(1);
    Map<URI, Map<Integer, PartitionData>> uriData = new HashMap<URI, Map<Integer, PartitionData>>();
    uriData.put(uri, partitionDataMap);

    schemes.add("http");
    _state.listenToCluster("cluster-1", new NullStateListenerCallback());
    _state.listenToService("service-1", new NullStateListenerCallback());
    _serviceRegistry.put("service-1", new ServiceProperties("service-1", "cluster-1",
        "/test", "random", null,
        Collections.<String, Object>emptyMap(),
        null, null, schemes, null));
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        die(serviceName, "got interrupt while waiting for a service to be registered");
      }
    }
    else
    {
      _state.listenToService(serviceName, new NullStateListenerCallback());
      _log.info("No timeout for service {}", serviceName);
    }
  }
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            + clusterName);
      }
    }
    else
    {
      _state.listenToCluster(clusterName, new NullStateListenerCallback());
    }
  }
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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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