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# 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
    module Read

      # A MongoDB get indexes operation.
      #
      # Initialize the get indexes operation.
      #
      # @example Instantiate the operation.
      #   Read::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 Executable
        include Specifiable
        include ReadPreferrable

        # Execute the operation.
        # The context gets a connection on which the operation
        # is sent in the block.
        #
        # @param [ Mongo::Server::Context ] context The context for this operation.
        #
        # @return [ Result ] The indexes operation response.
        #
        # @since 2.0.0
        def execute(context)
          if context.features.list_indexes_enabled?
            ListIndexes.new(spec).execute(context)
          else
            context.with_connection do |connection|
              Result.new(connection.dispatch([ message(context) ]))
            end
          end
        end

        private

        def selector
          { ns: namespace }
        end

        def query_coll
          Index::COLLECTION
        end
      end
    end
  end
end

Version data entries

2 entries across 2 versions & 1 rubygems

Version Path
mongo-2.1.0.beta lib/mongo/operation/read/indexes.rb
mongo-2.0.6 lib/mongo/operation/read/indexes.rb