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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
# writes during a bulk operation. Used for server versions < 2.6.
#
# @since 2.0.0
module LegacyMergable
# 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)
@replies.each_with_index.reduce(nil) do |errors, (reply, i)|
if reply_write_errors?(reply)
errors ||= []
errors << { 'errmsg' => reply.documents.first[Error::ERROR],
'index' => count + i,
'code' => reply.documents.first[Error::CODE] }
end
errors
end if @replies
end
# Aggregate the write concern errors returned from this result.
#
# @example Aggregate the write concern errors.
# result.aggregate_write_concern_errors(4)
#
# @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)
@replies.each_with_index.reduce(nil) do |errors, (reply, i)|
if error = reply_write_errors?(reply)
errors ||= []
if note = reply.documents.first['wnote'] || reply.documents.first['jnote']
code = reply.documents.first['code'] || Error::BAD_VALUE
error_string = "#{code}: #{note}"
elsif error == 'timeout'
code = reply.documents.first['code'] || Error::UNKNOWN_ERROR
error_string = "#{code}: #{error}"
end
errors << { 'errmsg' => error_string,
'index' => count + i,
'code' => code } if error_string
end
errors
end if @replies
end
private
def reply_write_errors?(reply)
reply.documents.first[Error::ERROR] ||
reply.documents.first[Error::ERRMSG]
end
end
end
end
end
end
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