1 files changed, 245 insertions, 0 deletions
diff --git a/vendor/gopkg.in/olivere/elastic.v5/search_aggs_bucket_significant_text.go b/vendor/gopkg.in/olivere/elastic.v5/search_aggs_bucket_significant_text.go
new file mode 100644
index 000000000..de761613c
--- /dev/null
+++ b/vendor/gopkg.in/olivere/elastic.v5/search_aggs_bucket_significant_text.go
@@ -0,0 +1,245 @@
+// Copyright 2012-present Oliver Eilhard. All rights reserved.
+// Use of this source code is governed by a MIT-license.
+// See http://olivere.mit-license.org/license.txt for details.
+
+package elastic
+
+// SignificantTextAggregation returns interesting or unusual occurrences
+// of free-text terms in a set.
+// See: https://www.elastic.co/guide/en/elasticsearch/reference/6.0/search-aggregations-bucket-significanttext-aggregation.html
+type SignificantTextAggregation struct {
+	field           string
+	subAggregations map[string]Aggregation
+	meta            map[string]interface{}
+
+	sourceFieldNames      []string
+	filterDuplicateText   *bool
+	includeExclude        *TermsAggregationIncludeExclude
+	filter                Query
+	bucketCountThresholds *BucketCountThresholds
+	significanceHeuristic SignificanceHeuristic
+}
+
+func NewSignificantTextAggregation() *SignificantTextAggregation {
+	return &SignificantTextAggregation{
+		subAggregations: make(map[string]Aggregation, 0),
+	}
+}
+
+func (a *SignificantTextAggregation) Field(field string) *SignificantTextAggregation {
+	a.field = field
+	return a
+}
+
+func (a *SignificantTextAggregation) SubAggregation(name string, subAggregation Aggregation) *SignificantTextAggregation {
+	a.subAggregations[name] = subAggregation
+	return a
+}
+
+// Meta sets the meta data to be included in the aggregation response.
+func (a *SignificantTextAggregation) Meta(metaData map[string]interface{}) *SignificantTextAggregation {
+	a.meta = metaData
+	return a
+}
+
+func (a *SignificantTextAggregation) SourceFieldNames(names ...string) *SignificantTextAggregation {
+	a.sourceFieldNames = names
+	return a
+}
+
+func (a *SignificantTextAggregation) FilterDuplicateText(filter bool) *SignificantTextAggregation {
+	a.filterDuplicateText = &filter
+	return a
+}
+
+func (a *SignificantTextAggregation) MinDocCount(minDocCount int64) *SignificantTextAggregation {
+	if a.bucketCountThresholds == nil {
+		a.bucketCountThresholds = &BucketCountThresholds{}
+	}
+	a.bucketCountThresholds.MinDocCount = &minDocCount
+	return a
+}
+
+func (a *SignificantTextAggregation) ShardMinDocCount(shardMinDocCount int64) *SignificantTextAggregation {
+	if a.bucketCountThresholds == nil {
+		a.bucketCountThresholds = &BucketCountThresholds{}
+	}
+	a.bucketCountThresholds.ShardMinDocCount = &shardMinDocCount
+	return a
+}
+
+func (a *SignificantTextAggregation) Size(size int) *SignificantTextAggregation {
+	if a.bucketCountThresholds == nil {
+		a.bucketCountThresholds = &BucketCountThresholds{}
+	}
+	a.bucketCountThresholds.RequiredSize = &size
+	return a
+}
+
+func (a *SignificantTextAggregation) ShardSize(shardSize int) *SignificantTextAggregation {
+	if a.bucketCountThresholds == nil {
+		a.bucketCountThresholds = &BucketCountThresholds{}
+	}
+	a.bucketCountThresholds.ShardSize = &shardSize
+	return a
+}
+
+func (a *SignificantTextAggregation) BackgroundFilter(filter Query) *SignificantTextAggregation {
+	a.filter = filter
+	return a
+}
+
+func (a *SignificantTextAggregation) SignificanceHeuristic(heuristic SignificanceHeuristic) *SignificantTextAggregation {
+	a.significanceHeuristic = heuristic
+	return a
+}
+
+func (a *SignificantTextAggregation) Include(regexp string) *SignificantTextAggregation {
+	if a.includeExclude == nil {
+		a.includeExclude = &TermsAggregationIncludeExclude{}
+	}
+	a.includeExclude.Include = regexp
+	return a
+}
+
+func (a *SignificantTextAggregation) IncludeValues(values ...interface{}) *SignificantTextAggregation {
+	if a.includeExclude == nil {
+		a.includeExclude = &TermsAggregationIncludeExclude{}
+	}
+	a.includeExclude.IncludeValues = append(a.includeExclude.IncludeValues, values...)
+	return a
+}
+
+func (a *SignificantTextAggregation) Exclude(regexp string) *SignificantTextAggregation {
+	if a.includeExclude == nil {
+		a.includeExclude = &TermsAggregationIncludeExclude{}
+	}
+	a.includeExclude.Exclude = regexp
+	return a
+}
+
+func (a *SignificantTextAggregation) ExcludeValues(values ...interface{}) *SignificantTextAggregation {
+	if a.includeExclude == nil {
+		a.includeExclude = &TermsAggregationIncludeExclude{}
+	}
+	a.includeExclude.ExcludeValues = append(a.includeExclude.ExcludeValues, values...)
+	return a
+}
+
+func (a *SignificantTextAggregation) Partition(p int) *SignificantTextAggregation {
+	if a.includeExclude == nil {
+		a.includeExclude = &TermsAggregationIncludeExclude{}
+	}
+	a.includeExclude.Partition = p
+	return a
+}
+
+func (a *SignificantTextAggregation) NumPartitions(n int) *SignificantTextAggregation {
+	if a.includeExclude == nil {
+		a.includeExclude = &TermsAggregationIncludeExclude{}
+	}
+	a.includeExclude.NumPartitions = n
+	return a
+}
+
+func (a *SignificantTextAggregation) Source() (interface{}, error) {
+	// Example:
+	// {
+	//     "query" : {
+	//         "match" : {"content" : "Bird flu"}
+	//     },
+	//     "aggregations" : {
+	//         "my_sample" : {
+	//             "sampler": {
+	//                 "shard_size" : 100
+	//             },
+	//             "aggregations": {
+	//                 "keywords" : {
+	//                     "significant_text" : { "field" : "content" }
+	//                 }
+	//             }
+	//         }
+	//     }
+	// }
+	//
+	// This method returns only the
+	//   { "significant_text" : { "field" : "content" }
+	// part.
+
+	source := make(map[string]interface{})
+	opts := make(map[string]interface{})
+	source["significant_text"] = opts
+
+	if a.field != "" {
+		opts["field"] = a.field
+	}
+	if a.bucketCountThresholds != nil {
+		if a.bucketCountThresholds.RequiredSize != nil {
+			opts["size"] = (*a.bucketCountThresholds).RequiredSize
+		}
+		if a.bucketCountThresholds.ShardSize != nil {
+			opts["shard_size"] = (*a.bucketCountThresholds).ShardSize
+		}
+		if a.bucketCountThresholds.MinDocCount != nil {
+			opts["min_doc_count"] = (*a.bucketCountThresholds).MinDocCount
+		}
+		if a.bucketCountThresholds.ShardMinDocCount != nil {
+			opts["shard_min_doc_count"] = (*a.bucketCountThresholds).ShardMinDocCount
+		}
+	}
+	if a.filter != nil {
+		src, err := a.filter.Source()
+		if err != nil {
+			return nil, err
+		}
+		opts["background_filter"] = src
+	}
+	if a.significanceHeuristic != nil {
+		name := a.significanceHeuristic.Name()
+		src, err := a.significanceHeuristic.Source()
+		if err != nil {
+			return nil, err
+		}
+		opts[name] = src
+	}
+	// Include/Exclude
+	if ie := a.includeExclude; ie != nil {
+		// Include
+		if ie.Include != "" {
+			opts["include"] = ie.Include
+		} else if len(ie.IncludeValues) > 0 {
+			opts["include"] = ie.IncludeValues
+		} else if ie.NumPartitions > 0 {
+			inc := make(map[string]interface{})
+			inc["partition"] = ie.Partition
+			inc["num_partitions"] = ie.NumPartitions
+			opts["include"] = inc
+		}
+		// Exclude
+		if ie.Exclude != "" {
+			opts["exclude"] = ie.Exclude
+		} else if len(ie.ExcludeValues) > 0 {
+			opts["exclude"] = ie.ExcludeValues
+		}
+	}
+
+	// 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
+		}
+	}
+
+	// Add Meta data if available
+	if len(a.meta) > 0 {
+		source["meta"] = a.meta
+	}
+
+	return source, nil
+}