Examples of RebalancerConfig

org.apache.helix.controller.rebalancer.config.RebalancerConfig
Defines the state available to a rebalancer. This is fully optional, but it allows persistence of arbitrary fields that would be useful for a user-defined rebalancer
org.apache.helix.controller.rebalancer.context.RebalancerConfig
Configuration for a resource rebalancer. This contains a RebalancerContext, which contains information specific to each rebalancer.

Examples of org.apache.helix.controller.rebalancer.config.RebalancerConfig

    ResourceConfiguration configuration = new ResourceConfiguration(resourceId);
    if (resource.getUserConfig() != null) {
      configuration.addNamespacedConfig(resource.getUserConfig());
      persistConfig = true;
    }
    RebalancerConfig rebalancerConfig = resource.getRebalancerConfig();
    if (rebalancerConfig != null) {
      // only persist if this is not easily convertible to an ideal state
      configuration.addNamespacedConfig(new RebalancerConfigHolder(rebalancerConfig)
          .toNamespacedConfig());
      persistConfig = true;

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Examples of org.apache.helix.controller.rebalancer.config.RebalancerConfig

  private static Resource createResource(ResourceId resourceId,
      ResourceConfiguration resourceConfiguration, IdealState idealState,
      ExternalView externalView, ResourceAssignment resourceAssignment) {
    UserConfig userConfig;
    ProvisionerConfig provisionerConfig = null;
    RebalancerConfig rebalancerConfig = null;
    if (resourceConfiguration != null) {
      userConfig = resourceConfiguration.getUserConfig();
      rebalancerConfig = resourceConfiguration.getRebalancerConfig(RebalancerConfig.class);
      provisionerConfig = resourceConfiguration.getProvisionerConfig(ProvisionerConfig.class);
    } else {

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Examples of org.apache.helix.controller.rebalancer.config.RebalancerConfig

    for (ResourceId resourceId : resourceMap.keySet()) {
      if (LOG.isDebugEnabled()) {
        LOG.debug("Processing resource:" + resourceId);
      }
      ResourceConfig resourceConfig = resourceMap.get(resourceId);
      RebalancerConfig rebalancerConfig = resourceConfig.getRebalancerConfig();
      IdealState idealState = resourceConfig.getIdealState();
      StateModelDefinition stateModelDef = stateModelDefs.get(idealState.getStateModelDefId());
      ResourceAssignment resourceAssignment = null;
      // use a cached rebalancer if possible
      RebalancerRef ref = idealState.getRebalancerRef();

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Examples of org.apache.helix.controller.rebalancer.config.RebalancerConfig

      }
    }


    for (ResourceId resourceId : cluster.getResourceMap().keySet()) {
      Resource resource = cluster.getResource(resourceId);
      RebalancerConfig rebalancerCfg = resource.getRebalancerConfig();


      ResourceConfig.Builder resCfgBuilder = new ResourceConfig.Builder(resourceId);
      resCfgBuilder.schedulerTaskConfig(resource.getSchedulerTaskConfig());
      resCfgBuilder.rebalancerConfig(rebalancerCfg);
      resCfgBuilder.provisionerConfig(resource.getProvisionerConfig());

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Examples of org.apache.helix.controller.rebalancer.config.RebalancerConfig

      if (provisionerConfig != null) {
        updatedResourceConfig.addNamespacedConfig(new ProvisionerConfigHolder(provisionerConfig)
            .toNamespacedConfig());
        addedAnything = true;
      }
      RebalancerConfig rebalancerConfig = deltaConfig.getRebalancerConfig();
      if (rebalancerConfig != null) {
        updatedResourceConfig.addNamespacedConfig(new RebalancerConfigHolder(rebalancerConfig)
            .toNamespacedConfig());
        addedAnything = true;
      }

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Examples of org.apache.helix.controller.rebalancer.context.RebalancerConfig

   */
  private boolean setConfiguration(ResourceId resourceId, ResourceConfiguration configuration) {
    boolean status =
        _accessor.setProperty(_keyBuilder.resourceConfig(resourceId.stringify()), configuration);
    // also set an ideal state if the resource supports it
    RebalancerConfig rebalancerConfig = new RebalancerConfig(configuration);
    IdealState idealState =
        rebalancerConfigToIdealState(rebalancerConfig, configuration.getBucketSize(),
            configuration.getBatchMessageMode());
    if (idealState != null) {
      _accessor.setProperty(_keyBuilder.idealStates(resourceId.stringify()), idealState);

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Examples of org.apache.helix.controller.rebalancer.context.RebalancerConfig

   * @param resourceId the resource to update
   * @param context the new rebalancer context
   * @return true if the context was set, false otherwise
   */
  public boolean setRebalancerContext(ResourceId resourceId, RebalancerContext context) {
    RebalancerConfig config = new RebalancerConfig(context);
    ResourceConfiguration resourceConfig = new ResourceConfiguration(resourceId);
    resourceConfig.addNamespacedConfig(config.toNamespacedConfig());


    // update the ideal state if applicable
    IdealState oldIdealState =
        _accessor.getProperty(_keyBuilder.idealStates(resourceId.stringify()));
    if (oldIdealState != null) {

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Examples of org.apache.helix.controller.rebalancer.context.RebalancerConfig

   * @return true if assignment successful, false otherwise
   */
  public boolean generateDefaultAssignment(ResourceId resourceId, int replicaCount,
      String participantGroupTag) {
    Resource resource = readResource(resourceId);
    RebalancerConfig config = resource.getRebalancerConfig();
    PartitionedRebalancerContext context =
        config.getRebalancerContext(PartitionedRebalancerContext.class);
    if (context == null) {
      LOG.error("Only partitioned resource types are supported");
      return false;
    }
    if (replicaCount != -1) {

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Examples of org.apache.helix.controller.rebalancer.context.RebalancerConfig

      batchMessageMode = idealState.getBatchMessageMode();
      idealState.updateUserConfig(userConfig);
    } else if (resourceConfiguration != null) {
      bucketSize = resourceConfiguration.getBucketSize();
      batchMessageMode = resourceConfiguration.getBatchMessageMode();
      RebalancerConfig rebalancerConfig = new RebalancerConfig(resourceConfiguration);
      rebalancerContext = rebalancerConfig.getRebalancerContext(RebalancerContext.class);
    }
    if (rebalancerContext == null) {
      rebalancerContext = new PartitionedRebalancerContext();
    }
    return new Resource(resourceId, type, idealState, resourceAssignment, externalView,

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Examples of org.apache.helix.controller.rebalancer.context.RebalancerConfig

  /**
   * Get a RebalancerContext if available
   * @return RebalancerContext, or null
   */
  public RebalancerContext getRebalancerContext(Class<? extends RebalancerContext> clazz) {
    RebalancerConfig config = new RebalancerConfig(this);
    return config.getRebalancerContext(clazz);
  }

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