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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
// RegexpQuery allows you to use regular expression term queries.
//
// For more details, see
// https://www.elastic.co/guide/en/elasticsearch/reference/5.2/query-dsl-regexp-query.html
type RegexpQuery struct {
name string
regexp string
flags string
boost *float64
rewrite string
queryName string
maxDeterminizedStates *int
}
// NewRegexpQuery creates and initializes a new RegexpQuery.
func NewRegexpQuery(name string, regexp string) *RegexpQuery {
return &RegexpQuery{name: name, regexp: regexp}
}
// Flags sets the regexp flags.
func (q *RegexpQuery) Flags(flags string) *RegexpQuery {
q.flags = flags
return q
}
// MaxDeterminizedStates protects against complex regular expressions.
func (q *RegexpQuery) MaxDeterminizedStates(maxDeterminizedStates int) *RegexpQuery {
q.maxDeterminizedStates = &maxDeterminizedStates
return q
}
// Boost sets the boost for this query.
func (q *RegexpQuery) Boost(boost float64) *RegexpQuery {
q.boost = &boost
return q
}
func (q *RegexpQuery) Rewrite(rewrite string) *RegexpQuery {
q.rewrite = rewrite
return q
}
// QueryName sets the query name for the filter that can be used
// when searching for matched_filters per hit
func (q *RegexpQuery) QueryName(queryName string) *RegexpQuery {
q.queryName = queryName
return q
}
// Source returns the JSON-serializable query data.
func (q *RegexpQuery) Source() (interface{}, error) {
source := make(map[string]interface{})
query := make(map[string]interface{})
source["regexp"] = query
x := make(map[string]interface{})
x["value"] = q.regexp
if q.flags != "" {
x["flags"] = q.flags
}
if q.maxDeterminizedStates != nil {
x["max_determinized_states"] = *q.maxDeterminizedStates
}
if q.boost != nil {
x["boost"] = *q.boost
}
if q.rewrite != "" {
x["rewrite"] = q.rewrite
}
if q.queryName != "" {
x["name"] = q.queryName
}
query[q.name] = x
return source, nil
}
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