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range_query.go
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range_query.go
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// The MIT License (MIT)
// Copyright (c) 2017-2020 Uber Technologies Inc.
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in all
// copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
// SOFTWARE.
package query
// RangeQuery matches documents with fields that have terms within a certain range.
//
// For details, see
// https://www.elastic.co/guide/en/elasticsearch/reference/7.0/query-dsl-range-query.html
type RangeQuery struct {
name string
from interface{}
to interface{}
includeLower bool
includeUpper bool
}
// NewRangeQuery creates and initializes a new RangeQuery.
func NewRangeQuery(name string) *RangeQuery {
return &RangeQuery{name: name, includeLower: true, includeUpper: true}
}
// From indicates the from part of the RangeQuery.
// Use nil to indicate an unbounded from part.
func (q *RangeQuery) From(from interface{}) *RangeQuery {
q.from = from
return q
}
// Gt indicates a greater-than value for the from part.
// Use nil to indicate an unbounded from part.
func (q *RangeQuery) Gt(from interface{}) *RangeQuery {
q.from = from
q.includeLower = false
return q
}
// Gte indicates a greater-than-or-equal value for the from part.
// Use nil to indicate an unbounded from part.
func (q *RangeQuery) Gte(from interface{}) *RangeQuery {
q.from = from
q.includeLower = true
return q
}
// To indicates the to part of the RangeQuery.
// Use nil to indicate an unbounded to part.
func (q *RangeQuery) To(to interface{}) *RangeQuery {
q.to = to
return q
}
// Lt indicates a less-than value for the to part.
// Use nil to indicate an unbounded to part.
func (q *RangeQuery) Lt(to interface{}) *RangeQuery {
q.to = to
q.includeUpper = false
return q
}
// Lte indicates a less-than-or-equal value for the to part.
// Use nil to indicate an unbounded to part.
func (q *RangeQuery) Lte(to interface{}) *RangeQuery {
q.to = to
q.includeUpper = true
return q
}
// IncludeLower indicates whether the lower bound should be included or not.
// Defaults to true.
func (q *RangeQuery) IncludeLower(includeLower bool) *RangeQuery {
q.includeLower = includeLower
return q
}
// IncludeUpper indicates whether the upper bound should be included or not.
// Defaults to true.
func (q *RangeQuery) IncludeUpper(includeUpper bool) *RangeQuery {
q.includeUpper = includeUpper
return q
}
// Source returns JSON for the query.
func (q *RangeQuery) Source() (interface{}, error) {
source := make(map[string]interface{})
rangeQ := make(map[string]interface{})
source["range"] = rangeQ
params := make(map[string]interface{})
rangeQ[q.name] = params
params["from"] = q.from
params["to"] = q.to
params["include_lower"] = q.includeLower
params["include_upper"] = q.includeUpper
return source, nil
}