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120 lines
3.1 KiB
Go
120 lines
3.1 KiB
Go
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package elastic
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import "errors"
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type GeoTileGridAggregation struct {
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field string
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precision int
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size int
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shardSize int
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bounds *BoundingBox
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subAggregations map[string]Aggregation
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meta map[string]interface{}
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}
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// NewGeoTileGridAggregation Create new bucket aggregation of Geotile grid type
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// https://www.elastic.co/guide/en/elasticsearch/reference/7.0/search-aggregations-bucket-geotilegrid-aggregation.html
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func NewGeoTileGridAggregation() *GeoTileGridAggregation {
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return &GeoTileGridAggregation{
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precision: -1,
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size: -1,
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shardSize: -1,
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subAggregations: make(map[string]Aggregation),
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}
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}
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// Field The name of the field indexed with GeoPoints. Mandatory.
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func (a *GeoTileGridAggregation) Field(field string) *GeoTileGridAggregation {
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a.field = field
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return a
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}
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// Precision The integer zoom of the key used to define cells/buckets in the results. Defaults to 7. Values outside of [0,29] will be rejected. Optional.
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func (a *GeoTileGridAggregation) Precision(precision int) *GeoTileGridAggregation {
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a.precision = precision
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return a
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}
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// Size The maximum number of buckets to return in the result structure. Optional.
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func (a *GeoTileGridAggregation) Size(size int) *GeoTileGridAggregation {
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a.size = size
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return a
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}
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// ShardSize The maximum number of buckets to return from each shard. Optional.
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func (a *GeoTileGridAggregation) ShardSize(shardSize int) *GeoTileGridAggregation {
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a.shardSize = shardSize
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return a
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}
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// Bounds The bounding box to filter the points in the bucket. Optional.
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func (a *GeoTileGridAggregation) Bounds(boundingBox BoundingBox) *GeoTileGridAggregation {
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a.bounds = &boundingBox
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return a
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}
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// SubAggregation Adds a sub-aggregation to this aggregation.
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func (a *GeoTileGridAggregation) SubAggregation(name string, subAggregation Aggregation) *GeoTileGridAggregation {
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a.subAggregations[name] = subAggregation
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return a
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}
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// Meta Sets the meta data to be included in the aggregation response.
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func (a *GeoTileGridAggregation) Meta(metaData map[string]interface{}) *GeoTileGridAggregation {
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a.meta = metaData
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return a
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}
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// Source returns the a JSON-serializable interface.
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func (a *GeoTileGridAggregation) Source() (interface{}, error) {
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source := make(map[string]interface{})
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opts := make(map[string]interface{})
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source["geotile_grid"] = opts
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if a.field == "" {
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return nil, errors.New("elastic: 'field' is a mandatory parameter")
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}
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opts["field"] = a.field
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if a.precision != -1 {
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opts["precision"] = a.precision
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}
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if a.size != -1 {
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opts["size"] = a.size
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}
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if a.shardSize != -1 {
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opts["shard_size"] = a.shardSize
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}
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if a.bounds != nil {
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opts["bounds"] = *a.bounds
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}
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if len(a.subAggregations) > 0 {
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aggsMap := make(map[string]interface{})
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source["aggregations"] = aggsMap
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for name, aggregate := range a.subAggregations {
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src, err := aggregate.Source()
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if err != nil {
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return nil, err
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}
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aggsMap[name] = src
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}
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}
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if len(a.meta) > 0 {
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source["meta"] = a.meta
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}
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return source, nil
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}
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// BoundingBox bounding box
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type BoundingBox struct {
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TopLeft GeoPoint `json:"top_left"`
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BottomRight GeoPoint `json:"bottom_right"`
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}
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