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# Licensed to Elasticsearch B.V. under one or more contributor
# license agreements. See the NOTICE file distributed with
# this work for additional information regarding copyright
# ownership. Elasticsearch B.V. licenses this file to you under
# the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing,
# software distributed under the License is distributed on an
# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
# KIND, either express or implied. See the License for the
# specific language governing permissions and limitations
# under the License.
module Elasticsearch
module DSL
module Search
module Aggregations
# A multi-bucket aggregation which returns document counts for custom numerical ranges,
# which define the buckets
#
# @example
#
# search do
# aggregation :clicks do
# range field: 'clicks',
# ranges: [
# { to: 10 },
# { from: 10, to: 20 }
# ]
# end
# end
#
# @example Using custom names for the ranges
#
# search do
# aggregation :clicks do
# range do
# field 'clicks'
# key :low, to: 10
# key :mid, from: 10, to: 20
# end
# end
# end
#
# @see https://www.elastic.co/guide/en/elasticsearch/reference/current/search-aggregations-bucket-range-aggregation.html
class Range
include BaseAggregationComponent
option_method :field
option_method :script
option_method :params
option_method :keyed
def key(key, value)
@hash[name].update(@args) if @args
@hash[name][:keyed] = true unless @hash[name].has_key?(:keyed)
@hash[name][:ranges] ||= []
@hash[name][:ranges] << value.merge(key: key) unless @hash[name][:ranges].any? { |i| i[:key] == key }
self
end
end
end
end
end
end
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