in elasticsearch-model/lib/elasticsearch/model/adapters/mongoid.rb [37:48]
def records
criteria = klass.where(:id.in => ids)
criteria.instance_exec(response.response['hits']['hits']) do |hits|
define_singleton_method :to_a do
self.entries.sort_by { |e| hits.index { |hit| hit['_id'].to_s == e.id.to_s } }
end
end
criteria
end