lib/mongo/operation/delete/bulk_result.rb
# frozen_string_literal: true
# rubocop:todo all
# Copyright (C) 2014-2020 MongoDB Inc.
#
# Licensed 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 Mongo
module Operation
class Delete
# Defines custom behavior of results for a delete when part of a bulk write.
#
# @since 2.0.0
# @api semiprivate
class BulkResult < Operation::Result
include Aggregatable
# Gets the number of documents deleted.
#
# @example Get the deleted count.
# result.n_removed
#
# @return [ Integer ] The number of documents deleted.
#
# @since 2.0.0
# @api public
def n_removed
return 0 unless acknowledged?
@replies.reduce(0) do |n, reply|
if reply.documents.first[Result::N]
n += reply.documents.first[Result::N]
else
n
end
end
end
end
end
end
end