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diff --git a/vendor/gopkg.in/olivere/elastic.v5/search_aggs_bucket_adjacency_matrix.go b/vendor/gopkg.in/olivere/elastic.v5/search_aggs_bucket_adjacency_matrix.go
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+// 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
+
+// AdjacencyMatrixAggregation returning a form of adjacency matrix.
+// The request provides a collection of named filter expressions,
+// similar to the filters aggregation request. Each bucket in the
+// response represents a non-empty cell in the matrix of intersecting filters.
+//
+// For details, see
+// https://www.elastic.co/guide/en/elasticsearch/reference/5.6/search-aggregations-bucket-adjacency-matrix-aggregation.html
+type AdjacencyMatrixAggregation struct {
+ filters map[string]Query
+ subAggregations map[string]Aggregation
+ meta map[string]interface{}
+}
+
+// NewAdjacencyMatrixAggregation initializes a new AdjacencyMatrixAggregation.
+func NewAdjacencyMatrixAggregation() *AdjacencyMatrixAggregation {
+ return &AdjacencyMatrixAggregation{
+ filters: make(map[string]Query),
+ subAggregations: make(map[string]Aggregation),
+ }
+}
+
+// Filters adds the filter
+func (a *AdjacencyMatrixAggregation) Filters(name string, filter Query) *AdjacencyMatrixAggregation {
+ a.filters[name] = filter
+ return a
+}
+
+// SubAggregation adds a sub-aggregation to this aggregation.
+func (a *AdjacencyMatrixAggregation) SubAggregation(name string, subAggregation Aggregation) *AdjacencyMatrixAggregation {
+ a.subAggregations[name] = subAggregation
+ return a
+}
+
+// Meta sets the meta data to be included in the aggregation response.
+func (a *AdjacencyMatrixAggregation) Meta(metaData map[string]interface{}) *AdjacencyMatrixAggregation {
+ a.meta = metaData
+ return a
+}
+
+// Source returns the a JSON-serializable interface.
+func (a *AdjacencyMatrixAggregation) Source() (interface{}, error) {
+ // Example:
+ // {
+ // "aggs" : {
+ // "interactions" : {
+ // "adjacency_matrix" : {
+ // "filters" : {
+ // "grpA" : { "terms" : { "accounts" : ["hillary", "sidney"] }},
+ // "grpB" : { "terms" : { "accounts" : ["donald", "mitt"] }},
+ // "grpC" : { "terms" : { "accounts" : ["vladimir", "nigel"] }}
+ // }
+ // }
+ // }
+ // }
+ // This method returns only the (outer) { "adjacency_matrix" : {} } part.
+
+ source := make(map[string]interface{})
+ adjacencyMatrix := make(map[string]interface{})
+ source["adjacency_matrix"] = adjacencyMatrix
+
+ dict := make(map[string]interface{})
+ for key, filter := range a.filters {
+ src, err := filter.Source()
+ if err != nil {
+ return nil, err
+ }
+ dict[key] = src
+ }
+ adjacencyMatrix["filters"] = dict
+
+ // 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
+}