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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
# This module provides functionality to ensure that documents contain
# an id field. Used by insert operations (Bulk, legacy, write command inserts).
#
# @since 2.1.0
module Idable
# The option for a custom id generator.
#
# @since 2.2.0
ID_GENERATOR = :id_generator.freeze
# Get the id generator.
#
# @example Get the id generator.
# idable.id_generator
#
# @return [ IdGenerator ] The default or custom id generator.
#
# @since 2.2.0
def id_generator
@id_generator ||= (spec[ID_GENERATOR] || ObjectIdGenerator.new)
end
private
def id(doc)
doc.respond_to?(:id) ? doc.id : (doc['_id'] || doc[:_id])
end
def has_id?(doc)
!!id(doc)
end
def ensure_ids(documents)
@ids ||= []
documents.collect do |doc|
doc_with_id = has_id?(doc) ? doc : doc.merge(_id: id_generator.generate)
@ids << id(doc_with_id)
doc_with_id
end
end
end
end
end
end
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