private RayoNode store(RayoNode node) throws DatastoreException {

    Mutator mutator = Pelops.createMutator(schemaName);
    for (String platform : node.getPlatforms()) {
      mutator.writeSubColumns(
          "nodes",
          platform,
          node.getHostname(),
          mutator.newColumnList(
              mutator.newColumn("priority", String.valueOf(node.getPriority())),
              mutator.newColumn("weight", String.valueOf(node.getWeight())),
              mutator.newColumn("ip", node.getIpAddress()),
              mutator.newColumn("consecutive-errors", String.valueOf(node.getConsecutiveErrors())),
              mutator.newColumn("blacklisted", String.valueOf(node.isBlackListed()))));
    }

    mutator.writeColumn(
        "ips",
        Bytes.fromUTF8(node.getIpAddress()),
        mutator.newColumn(Bytes.fromUTF8("node"), Bytes.fromUTF8(node.getHostname())));

    try {
      mutator.execute(ConsistencyLevel.ONE);
      log.debug("Node [%s] stored successfully", node);
    } catch (Exception e) {
      log.error(e.getMessage(), e);
      throw new DatastoreException(String.format("Could not create node [%s]", node));
    }
    return node;
  }
  @Override
  public RayoNode removeNode(String rayoNode) throws DatastoreException {

    log.debug("Removing node: [%s]", rayoNode);
    RayoNode node = getNode(rayoNode);
    if (node == null) {
      log.error("Node not found: [%s]", rayoNode);
      throw new RayoNodeNotFoundException();
    }
    RowDeletor deletor = Pelops.createRowDeletor(schemaName);
    deletor.deleteRow("ips", node.getIpAddress(), ConsistencyLevel.ONE);

    Mutator mutator = Pelops.createMutator(schemaName);
    for (String platform : node.getPlatforms()) {
      mutator.deleteColumn("nodes", platform, rayoNode);
    }

    try {
      mutator.execute(ConsistencyLevel.ONE);
      log.debug("Node [%s] deleted successfully", rayoNode);
    } catch (Exception e) {
      log.error(e.getMessage(), e);
      throw new DatastoreException("Could not remove node");
    }

    return node;
  }