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# Copyright (C) 2014-2017 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
module Write
module Bulk
# This module contains common functionality for merging results from
# write commands during a bulk operation. Used for server versions >= 2.6.
#
# @since 2.0.0
module Mergable
# Aggregate the write errors returned from this result.
#
# @example Aggregate the write errors.
# result.aggregate_write_errors(0)
#
# @param [ Integer ] count The number of documents already executed.
#
# @return [ Array ] The aggregate write errors.
#
# @since 2.0.0
def aggregate_write_errors(count)
return unless @replies
@replies.reduce(nil) do |errors, reply|
if write_errors = reply.documents.first[Error::WRITE_ERRORS]
wes = write_errors.collect do |we|
we.merge!('index' => count + we['index'])
end
(errors || []) << wes if wes
end
end
end
# Aggregate the write concern errors returned from this result.
#
# @example Aggregate the write concern errors.
# result.aggregate_write_concern_errors(100)
#
# @param [ Integer ] count The number of documents already executed.
#
# @return [ Array ] The aggregate write concern errors.
#
# @since 2.0.0
def aggregate_write_concern_errors(count)
return unless @replies
@replies.each_with_index.reduce(nil) do |errors, (reply, _)|
if write_concern_errors = reply.documents.first[Error::WRITE_CONCERN_ERRORS]
(errors || []) << write_concern_errors.reduce(nil) do |errs, wce|
wce.merge!('index' => count + wce['index'])
(errs || []) << write_concern_error
end
end
end
end
end
end
end
end
end
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