Package org.apache.helix.api.accessor

Examples of org.apache.helix.api.accessor.ClusterAccessor

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    setupLiveInstances(clusterName, new int[] {
        0, 1
    });
    setupStateModel(clusterName);

    ClusterAccessor clusterAccessor = new ClusterAccessor(ClusterId.from(clusterName), accessor);
    clusterAccessor.initClusterStructure();

    // setup constraints
    ZNRecord record = new ZNRecord(ConstraintType.MESSAGE_CONSTRAINT.toString());

    // constraint0:
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        if (!idealStates.containsKey(resource)) {
          idealStates.put(resource, new IdealState(resource));
        }
      }

      ClusterAccessor clusterAccessor = new ClusterAccessor(ClusterId.from(clusterName), accessor);
      Cluster cluster = clusterAccessor.readCluster();
      // calculate best possible state
      BestPossibleStateOutput bestPossOutput = ClusterStateVerifier.calcBestPossState(cluster);

      // set error states
      if (errStates != null) {
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    String methodName = TestHelper.getTestMethodName();
    String testName = className + "_" + methodName;

    System.out.println("START " + testName + " at " + new Date(System.currentTimeMillis()));

    ClusterAccessor clusterAccessor = new ClusterAccessor(_clusterId, _dataAccessor);
    Cluster cluster = clusterAccessor.readCluster();

    ClusterId id = cluster.getId();
    Assert.assertEquals(id, _clusterId);
    Map<ParticipantId, Participant> liveParticipantMap = cluster.getLiveParticipantMap();
    Assert.assertEquals(liveParticipantMap.size(), n);
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    String testName = className + "_" + methodName;

    System.out.println("START " + testName + " at " + new Date(System.currentTimeMillis()));

    // Set up the event
    ClusterAccessor clusterAccessor = new ClusterAccessor(_clusterId, _dataAccessor);
    Cluster cluster = clusterAccessor.readCluster();
    ClusterEvent event = new ClusterEvent(testName);
    event.addAttribute(AttributeName.CURRENT_STATE.toString(), new ResourceCurrentState());
    Map<ResourceId, ResourceConfig> resourceConfigMap =
        Maps.transformValues(cluster.getResourceMap(), new Function<Resource, ResourceConfig>() {
          @Override
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    String methodName = TestHelper.getTestMethodName();
    String testName = className + "_" + methodName;

    System.out.println("START " + testName + " at " + new Date(System.currentTimeMillis()));

    ClusterAccessor clusterAccessor = new ClusterAccessor(_clusterId, _dataAccessor);
    Cluster cluster = clusterAccessor.readCluster();

    ResourceId resourceId = ResourceId.from("TestDB0");
    Resource resource = cluster.getResource(resourceId);
    ResourceCurrentState currentStateOutput = new ResourceCurrentState();
    ResourceAssignment semiAutoResult =
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    // create connection
    HelixConnection connection = new ZkHelixConnection(zkAddr);
    connection.connect();

    // setup cluster
    ClusterAccessor clusterAccessor = connection.createClusterAccessor(clusterId);
    clusterAccessor.dropCluster();

    StateModelDefinition stateModelDef =
        new StateModelDefinition.Builder(stateModelDefId).addState(master, 1).addState(slave, 2)
            .addState(offline, 3).addState(dropped).addTransition(offline, slave, 3)
            .addTransition(slave, offline, 4).addTransition(slave, master, 2)
            .addTransition(master, slave, 1).addTransition(offline, dropped).initialState(offline)
            .upperBound(master, 1).dynamicUpperBound(slave, "R").build();
    RebalancerContext rebalancerCtx =
        new SemiAutoRebalancerContext.Builder(resourceId).addPartitions(1).replicaCount(1)
            .stateModelDefId(stateModelDefId)
            .preferenceList(PartitionId.from("testDB_0"), Arrays.asList(participantId)).build();
    clusterAccessor.createCluster(new ClusterConfig.Builder(clusterId).addStateModelDefinition(
        stateModelDef).build());
    clusterAccessor.addResourceToCluster(new ResourceConfig.Builder(resourceId).rebalancerContext(
        rebalancerCtx).build());
    clusterAccessor.addParticipantToCluster(new ParticipantConfig.Builder(participantId).build());

    // start controller
    HelixController controller = connection.createController(clusterId, controllerId);
    controller.startAsync();
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    helpFormatter.printHelp("java " + NewClusterSetup.class.getName(), cliOptions);
  }

  ClusterAccessor clusterAccessor(String clusterName) {
    HelixDataAccessor accessor = new ZKHelixDataAccessor(clusterName, _baseAccessor);
    return new ClusterAccessor(ClusterId.from(clusterName), accessor);
  }
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    ClusterConfig.Builder builder =
        new ClusterConfig.Builder(ClusterId.from(clusterName))
            .addStateModelDefinitions(defaultStateModelDefs);

    ClusterAccessor accessor = clusterAccessor(clusterName);
    accessor.createCluster(builder.build());
  }
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    RebalancerContext rebalancerCtx = PartitionedRebalancerContext.from(idealState);
    ResourceConfig.Builder builder =
        new ResourceConfig.Builder(resourceId).rebalancerContext(rebalancerCtx).bucketSize(
            bucketSize);

    ClusterAccessor accessor = clusterAccessor(clusterName);
    accessor.addResourceToCluster(builder.build());

  }
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  void addInstance(String[] optValues) {
    String clusterName = optValues[0];
    String[] instanceIds = optValues[1].split(";");

    ClusterAccessor accessor = clusterAccessor(clusterName);
    for (String instanceId : instanceIds) {
      ParticipantConfig.Builder builder =
          new ParticipantConfig.Builder(ParticipantId.from(instanceId));

      accessor.addParticipantToCluster(builder.build());
    }
  }
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Related Classes of org.apache.helix.api.accessor.ClusterAccessor

  • org.apache.helix.api.Cluster
  • org.apache.helix.api.config.ClusterConfig
  • org.apache.helix.api.config.ContainerConfig
  • org.apache.helix.api.config.ParticipantConfig
  • org.apache.helix.api.config.ResourceConfig
  • org.apache.helix.api.config.UserConfig
  • org.apache.helix.api.Controller
  • org.apache.helix.api.id.ControllerId
  • org.apache.helix.api.id.ParticipantId
  • org.apache.helix.api.id.ResourceId
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