@jmaitrehenry/elastic-builder
Version:
A JavaScript implementation of the elasticsearch Query DSL
132 lines (103 loc) • 4.66 kB
JavaScript
;
var _classCallCheck2 = require('babel-runtime/helpers/classCallCheck');
var _classCallCheck3 = _interopRequireDefault(_classCallCheck2);
var _createClass2 = require('babel-runtime/helpers/createClass');
var _createClass3 = _interopRequireDefault(_createClass2);
var _possibleConstructorReturn2 = require('babel-runtime/helpers/possibleConstructorReturn');
var _possibleConstructorReturn3 = _interopRequireDefault(_possibleConstructorReturn2);
var _inherits2 = require('babel-runtime/helpers/inherits');
var _inherits3 = _interopRequireDefault(_inherits2);
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
var isNil = require('lodash.isnil');
var BucketAggregationBase = require('./bucket-aggregation-base');
var ES_REF_URL = 'https://www.elastic.co/guide/en/elasticsearch/reference/current/search-aggregations-bucket-geohashgrid-aggregation.html';
/**
* A multi-bucket aggregation that works on geo_point fields and groups points
* into buckets that represent cells in a grid. The resulting grid can be sparse
* and only contains cells that have matching data. Each cell is labeled using a
* geohash which is of user-definable precision.
* [Elasticsearch reference](https://www.elastic.co/guide/en/elasticsearch/reference/current/search-aggregations-bucket-geohashgrid-aggregation.html)
*
* @example
* const agg = esb.geoHashGridAggregation('large-grid', 'location').precision(3);
*
* @param {string} name The name which will be used to refer to this aggregation.
* @param {string=} field The field to aggregate on
*
* @extends BucketAggregationBase
*/
var GeoHashGridAggregation = function (_BucketAggregationBas) {
(0, _inherits3.default)(GeoHashGridAggregation, _BucketAggregationBas);
// eslint-disable-next-line require-jsdoc
function GeoHashGridAggregation(name, field) {
(0, _classCallCheck3.default)(this, GeoHashGridAggregation);
return (0, _possibleConstructorReturn3.default)(this, (GeoHashGridAggregation.__proto__ || Object.getPrototypeOf(GeoHashGridAggregation)).call(this, name, 'geohash_grid', field));
}
/**
* @override
* @throws {Error} This method cannot be called on GeoHashGridAggregation
*/
(0, _createClass3.default)(GeoHashGridAggregation, [{
key: 'format',
value: function format() {
console.log('Please refer ' + ES_REF_URL);
throw new Error('format is not supported in GeoHashGridAggregation');
}
/**
* @override
* @throws {Error} This method cannot be called on GeoHashGridAggregation
*/
}, {
key: 'script',
value: function script() {
console.log('Please refer ' + ES_REF_URL);
throw new Error('script is not supported in GeoHashGridAggregation');
}
/**
* Sets the precision for the generated geohash.
*
* @param {number} precision Precision can be between 1 and 12
* @returns {GeoHashGridAggregation} returns `this` so that calls can be chained
* @throws {Error} If precision is not between 1 and 12.
*/
}, {
key: 'precision',
value: function precision(_precision) {
if (isNil(_precision) || _precision < 1 || _precision > 12) {
throw new Error('`precision` can only be value from 1 to 12.');
}
this._aggsDef.precision = _precision;
return this;
}
/**
* Sets the maximum number of geohash buckets to return.
* When results are trimmed, buckets are prioritised
* based on the volumes of documents they contain.
*
* @param {number} size Optional. The maximum number of geohash
* buckets to return (defaults to 10,000).
* @returns {GeoHashGridAggregation} returns `this` so that calls can be chained
*/
}, {
key: 'size',
value: function size(_size) {
this._aggsDef.size = _size;
return this;
}
/**
* Determines how many geohash_grid the coordinating node
* will request from each shard.
*
* @param {number} shardSize Optional.
* @returns {GeoHashGridAggregation} returns `this` so that calls can be chained
*/
}, {
key: 'shardSize',
value: function shardSize(_shardSize) {
this._aggsDef.shard_size = _shardSize;
return this;
}
}]);
return GeoHashGridAggregation;
}(BucketAggregationBase);
module.exports = GeoHashGridAggregation;