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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 Commands
# A MongoDB get indexes operation.
#
# Initialize the get indexes operation.
#
# @example Instantiate the operation.
# Indexes.new(:db_name => 'test', :coll_name => 'test_coll')
#
# Initialization:
# param [ Hash ] spec The specifications for the insert.
#
# option spec :db_name [ String ] The name of the database.
# option spec :coll_name [ String ] The name of the collection.
#
# @since 2.0.0
class Indexes
include Specifiable
include ReadPreference
# Execute the operation.
#
# @example Execute the operation.
# operation.execute(server)
#
# @param [ Mongo::Server ] server The server to send this operation to.
#
# @return [ Result ] The indexes operation response.
#
# @since 2.0.0
def execute(server)
if server.features.list_indexes_enabled?
ListIndexes.new(spec).execute(server)
else
execute_message(server)
end
end
private
def execute_message(server)
server.with_connection do |connection|
Result.new(connection.dispatch([ message(server) ]))
end
end
def selector
{ ns: namespace }
end
def query_coll
Index::COLLECTION
end
end
end
end
end
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