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package elastic
type GeoHashGridAggregation struct {
field string
precision int
size int
shardSize int
subAggregations map[string]Aggregation
meta map[string]interface{}
}
func NewGeoHashGridAggregation() *GeoHashGridAggregation {
return &GeoHashGridAggregation{
subAggregations: make(map[string]Aggregation),
precision: -1,
size: -1,
shardSize: -1,
}
}
func (a *GeoHashGridAggregation) Field(field string) *GeoHashGridAggregation {
a.field = field
return a
}
func (a *GeoHashGridAggregation) Precision(precision int) *GeoHashGridAggregation {
a.precision = precision
return a
}
func (a *GeoHashGridAggregation) Size(size int) *GeoHashGridAggregation {
a.size = size
return a
}
func (a *GeoHashGridAggregation) ShardSize(shardSize int) *GeoHashGridAggregation {
a.shardSize = shardSize
return a
}
func (a *GeoHashGridAggregation) SubAggregation(name string, subAggregation Aggregation) *GeoHashGridAggregation {
a.subAggregations[name] = subAggregation
return a
}
func (a *GeoHashGridAggregation) Meta(metaData map[string]interface{}) *GeoHashGridAggregation {
a.meta = metaData
return a
}
func (a *GeoHashGridAggregation) Source() (interface{}, error) {
// Example:
// {
// "aggs": {
// "new_york": {
// "geohash_grid": {
// "field": "location",
// "precision": 5
// }
// }
// }
// }
source := make(map[string]interface{})
opts := make(map[string]interface{})
source["geohash_grid"] = opts
if a.field != "" {
opts["field"] = a.field
}
if a.precision != -1 {
opts["precision"] = a.precision
}
if a.size != -1 {
opts["size"] = a.size
}
if a.shardSize != -1 {
opts["shard_size"] = a.shardSize
}
// AggregationBuilder (SubAggregations)
if len(a.subAggregations) > 0 {
aggsMap := make(map[string]interface{})
source["aggregations"] = aggsMap
for name, aggregate := range a.subAggregations {
src, err := aggregate.Source()
if err != nil {
return nil, err
}
aggsMap[name] = src
}
}
if len(a.meta) > 0 {
source["meta"] = a.meta
}
return source, nil
}
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