Package org.apache.helix.PropertyKey

Examples of org.apache.helix.PropertyKey.Builder.controllerLeader()

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    if (accessor.getChildNames(keyBuilder.liveInstances()).size() > 0)
    {
      throw new HelixException("There are still live instances in the cluster, shut them down first.");
    }

    if (accessor.getProperty(keyBuilder.controllerLeader()) != null)
    {
      throw new HelixException("There are still LEADER in the cluster, shut them down first.");
    }

    _zkClient.deleteRecursive(root);
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    {
      return false;
    }

    Builder keyBuilder = _helixAccessor.keyBuilder();
    LiveInstance leader = _helixAccessor.getProperty(keyBuilder.controllerLeader());
    if (leader == null)
    {
      return false;
    }
    else
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    HelixDataAccessor accessor = changeContext.getManager().getHelixDataAccessor();

    // double check if this controller is the leader
    Builder keyBuilder = accessor.keyBuilder();
    LiveInstance leader =
        accessor.getProperty(keyBuilder.controllerLeader());
    if (leader == null)
    {
      logger.warn("No controller exists for cluster:"
          + changeContext.getManager().getClusterName());
      return;
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