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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 Queries
# A compound query which matches documents based on combinations of queries
#
# @example Defining a bool query with multiple conditions
#
# search do
# query do
# bool do
# must do
# term category: 'men'
# end
#
# must do
# term size: 'xxl'
# end
#
# should do
# term color: 'red'
# end
#
# must_not do
# term manufacturer: 'evil'
# end
# end
# end
# end
#
# See the integration test for a working example.
#
# @see http://elasticsearch.org/guide/en/elasticsearch/reference/current/query-dsl-bool-query.html
#
class Bool
include BaseComponent
option_method :minimum_should_match
option_method :boost
def must(*args, &block)
@hash[name][:must] ||= []
value = args.empty? ? Query.new(*args, &block).to_hash : args.first.to_hash
@hash[name][:must].push(value).flatten! unless @hash[name][:must].include?(value)
self
end
def must_not(*args, &block)
@hash[name][:must_not] ||= []
value = args.empty? ? Query.new(*args, &block).to_hash : args.first.to_hash
@hash[name][:must_not].push(value).flatten! unless @hash[name][:must_not].include?(value)
self
end
def should(*args, &block)
@hash[name][:should] ||= []
value = args.empty? ? Query.new(*args, &block).to_hash : args.first.to_hash
@hash[name][:should].push(value).flatten! unless @hash[name][:should].include?(value)
self
end
def filter(*args, &block)
@hash[name][:filter] ||= []
if filter = block ? Filter.new(*args, &block) : args.first
@hash[name][:filter] << filter.to_hash
end
self
end
def to_hash
@hash[name].update(@args.to_hash) if @args.respond_to?(:to_hash)
if @block
call
else
@hash[name] = @args unless @args.nil? || @args.empty?
end
@hash
end
end
end
end
end
end
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