141 lines
3.4 KiB
Go
141 lines
3.4 KiB
Go
// Copyright 2012-2015 Oliver Eilhard. All rights reserved.
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// Use of this source code is governed by a MIT-license.
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// See http://olivere.mit-license.org/license.txt for details.
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package elastic
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// PercentilesAggregation
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// See: http://www.elasticsearch.org/guide/en/elasticsearch/reference/current/search-aggregations-metrics-percentile-aggregation.html
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type PercentilesAggregation struct {
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field string
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script string
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scriptFile string
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lang string
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format string
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params map[string]interface{}
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subAggregations map[string]Aggregation
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percentiles []float64
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compression *float64
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estimator string
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}
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func NewPercentilesAggregation() PercentilesAggregation {
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a := PercentilesAggregation{
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params: make(map[string]interface{}),
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subAggregations: make(map[string]Aggregation),
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percentiles: make([]float64, 0),
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}
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return a
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}
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func (a PercentilesAggregation) Field(field string) PercentilesAggregation {
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a.field = field
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return a
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}
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func (a PercentilesAggregation) Script(script string) PercentilesAggregation {
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a.script = script
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return a
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}
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func (a PercentilesAggregation) ScriptFile(scriptFile string) PercentilesAggregation {
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a.scriptFile = scriptFile
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return a
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}
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func (a PercentilesAggregation) Lang(lang string) PercentilesAggregation {
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a.lang = lang
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return a
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}
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func (a PercentilesAggregation) Format(format string) PercentilesAggregation {
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a.format = format
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return a
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}
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func (a PercentilesAggregation) Param(name string, value interface{}) PercentilesAggregation {
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a.params[name] = value
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return a
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}
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func (a PercentilesAggregation) SubAggregation(name string, subAggregation Aggregation) PercentilesAggregation {
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a.subAggregations[name] = subAggregation
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return a
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}
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func (a PercentilesAggregation) Percentiles(percentiles ...float64) PercentilesAggregation {
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a.percentiles = make([]float64, 0)
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a.percentiles = append(a.percentiles, percentiles...)
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return a
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}
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func (a PercentilesAggregation) Compression(compression float64) PercentilesAggregation {
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a.compression = &compression
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return a
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}
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func (a PercentilesAggregation) Estimator(estimator string) PercentilesAggregation {
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a.estimator = estimator
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return a
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}
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func (a PercentilesAggregation) Source() interface{} {
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// Example:
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// {
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// "aggs" : {
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// "load_time_outlier" : {
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// "percentiles" : {
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// "field" : "load_time"
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// }
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// }
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// }
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// }
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// This method returns only the
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// { "percentiles" : { "field" : "load_time" } }
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// part.
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source := make(map[string]interface{})
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opts := make(map[string]interface{})
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source["percentiles"] = opts
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// ValuesSourceAggregationBuilder
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if a.field != "" {
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opts["field"] = a.field
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}
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if a.script != "" {
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opts["script"] = a.script
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}
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if a.scriptFile != "" {
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opts["script_file"] = a.scriptFile
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}
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if a.lang != "" {
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opts["lang"] = a.lang
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}
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if a.format != "" {
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opts["format"] = a.format
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}
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if len(a.params) > 0 {
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opts["params"] = a.params
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}
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if len(a.percentiles) > 0 {
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opts["percents"] = a.percentiles
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}
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if a.compression != nil {
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opts["compression"] = *a.compression
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}
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if a.estimator != "" {
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opts["estimator"] = a.estimator
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}
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// AggregationBuilder (SubAggregations)
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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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aggsMap[name] = aggregate.Source()
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}
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}
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return source
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}
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