'use strict';
var Aggregation = require('./aggregation');
/**
* @class Elastic metrics aggregation that calculates the max value for the field.
*
* {@link http://www.elastic.co/guide/en/elasticsearch/reference/1.x/search-aggregations-metrics-max-aggregation.html|link}
* @augments {Aggregation}
* @param {string} field Name of field to aggregate on.
*/
function MaxAgg(field) {
if (!field) {
throw new Error('Max aggregation requires an aggregation field');
}
Aggregation.call(this, 'max', field);
}
MaxAgg.prototype = Object.create(Aggregation.prototype);
MaxAgg.prototype.constructor = MaxAgg;
/**
* Get the name of the aggregation object.
* @return {string} Name of aggregation. Default to '{{field}}Max'
*/
MaxAgg.prototype.getName = function getMaxName() {
return this._name || this._root.field + 'Max';
};
module.exports = MaxAgg;