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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
// TermQuery finds documents that contain the exact term specified
// in the inverted index.
//
// For details, see
// https://www.elastic.co/guide/en/elasticsearch/reference/6.0/query-dsl-term-query.html
type TermQuery struct {
name string
value interface{}
boost *float64
queryName string
}
// NewTermQuery creates and initializes a new TermQuery.
func NewTermQuery(name string, value interface{}) *TermQuery {
return &TermQuery{name: name, value: value}
}
// Boost sets the boost for this query.
func (q *TermQuery) Boost(boost float64) *TermQuery {
q.boost = &boost
return q
}
// QueryName sets the query name for the filter that can be used
// when searching for matched_filters per hit
func (q *TermQuery) QueryName(queryName string) *TermQuery {
q.queryName = queryName
return q
}
// Source returns JSON for the query.
func (q *TermQuery) Source() (interface{}, error) {
// {"term":{"name":"value"}}
source := make(map[string]interface{})
tq := make(map[string]interface{})
source["term"] = tq
if q.boost == nil && q.queryName == "" {
tq[q.name] = q.value
} else {
subQ := make(map[string]interface{})
subQ["value"] = q.value
if q.boost != nil {
subQ["boost"] = *q.boost
}
if q.queryName != "" {
subQ["_name"] = q.queryName
}
tq[q.name] = subQ
}
return source, nil
}
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