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Contents
# Copyright (C) 2014-2015 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
# A MongoDB command operation.
#
# @example Create the command operation.
# Mongo::Operation::Command.new({ :selector => { :isMaster => 1 } })
#
# @note A command is actually a query on the virtual '$cmd' collection.
#
# @param [ Hash ] spec The specifications for the command.
#
# @option spec :selector [ Hash ] The command selector.
# @option spec :db_name [ String ] The name of the database on which
# the command should be executed.
# @option spec :options [ Hash ] Options for the command.
#
# @since 2.0.0
class Command
include Executable
include Specifiable
include Limited
include ReadPreferrable
# Execute the command operation.
#
# @example Execute the operation.
# operation.execute(context)
#
# @param [ Server::Context ] context The context for this operation.
#
# @return [ Result ] The operation result.
#
# @since 2.0.0
def execute(context)
context.with_connection do |connection|
Result.new(connection.dispatch([ message(context) ])).validate!
end
end
private
def query_coll
Database::COMMAND
end
end
end
end
Version data entries
7 entries across 7 versions & 1 rubygems