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Contents
# Copyright (C) 2015-2018 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.
require 'mongo/operation/aggregate/command'
require 'mongo/operation/aggregate/op_msg'
require 'mongo/operation/aggregate/result'
module Mongo
module Operation
# A MongoDB aggregate operation.
#
# @note An aggregate operation can behave like a read and return a
# result set, or can behave like a write operation and
# output results to a user-specified collection.
#
# @api private
#
# @since 2.0.0
class Aggregate
include Specifiable
# Execute the operation.
#
# @example
# operation.execute(server)
#
# @param [ Mongo::Server ] server The server to send the operation to.
#
# @return [ Mongo::Operation::Aggregate::Result ] The operation result.
#
# @since 2.0.0
def execute(server)
if server.features.op_msg_enabled?
OpMsg.new(spec).execute(server)
else
Command.new(spec).execute(server)
end
end
end
end
end
Version data entries
6 entries across 6 versions & 1 rubygems