TopNMetricSpec

Specifies how topN values should be sorted.

Numeric TopNMetricSpec

Indicates the metric to sort topN results by, e.g. “count” in this example:

{
  "type": "numeric",
  "metric": "count"
}

This metric specification sorts TopN results by dimension value.

{
  "type": "dimension",
  "ordering": "lexicographic",
  "previousStop": "<previousStop_value>"
}

Possible sorting orders are:

Ordering	Description
`lexicographic`	Sorts values by converting Strings to their UTF-8 byte array representations and comparing lexicographically, byte-by-byte.
`alphanumeric`	Suitable for strings with both numeric and non-numeric content. `file12` sorts after `file2`.
`numeric`	Sorts values as numbers.
`strlen`	Sorts values by their string lengths. When there is a tie, this comparator falls back to using the String `compareTo` method.
`version`	Sorts values as versions. `10.0` sorts after `9.0`, `1.0.0-SNAPSHOT` sorts after `1.0.0`.

Inverts the order of the delegate metric spec and sorts dimension values in inverted order. It can be used to sort the values in ascending order.

"metric": {
    "type": "inverted",
    "metric": <delegate_top_n_metric_spec>
}