Package com.linkedin.helix.PropertyKey

Examples of com.linkedin.helix.PropertyKey.Builder.instanceConfig()

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    ZKHelixDataAccessor accessor =
        new ZKHelixDataAccessor(clusterName, new ZkBaseDataAccessor(_zkClient));
    Builder keyBuilder = accessor.keyBuilder();

    InstanceConfig oldConfig =
        accessor.getProperty(keyBuilder.instanceConfig(oldInstanceName));
    if (oldConfig == null)
    {
      String error = "Old instance " + oldInstanceName + " does not exist, cannot swap";
      _logger.warn(error);
      throw new HelixException(error);
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      _logger.warn(error);
      throw new HelixException(error);
    }

    InstanceConfig newConfig =
        accessor.getProperty(keyBuilder.instanceConfig(newInstanceName));
    if (newConfig == null)
    {
      String error = "New instance " + newInstanceName + " does not exist, cannot swap";
      _logger.warn(error);
      throw new HelixException(error);
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    String message =
        ClusterRepresentationUtil.getClusterPropertyAsString(zkClient,
                                                             clusterName,
                                                             MediaType.APPLICATION_JSON,
                                                             keyBuilder.instanceConfig(instanceName));

    StringRepresentation representation =
        new StringRepresentation(message, MediaType.APPLICATION_JSON);

    return representation;
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