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# Copyright (C) 2015-2017 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
class BulkWrite
# Combines groups of bulk write operations in order.
#
# @api private
#
# @since 2.1.0
class OrderedCombiner
include Transformable
include Validatable
include Combineable
# Combine the requests in order.
#
# @api private
#
# @example Combine the requests.
# combiner.combine
#
# @return [ Array<Hash> ] The combined requests.
#
# @since 2.1.0
def combine
combine_requests([])
end
private
def add(operations, name, document)
operations.push({ name => []}) if next_group?(name, operations)
operations[-1][name].push(transform(name, document))
operations
end
def next_group?(name, operations)
!operations[-1] || !operations[-1].key?(name)
end
end
end
end
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