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# Copyright (C) 2016 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
class Monitoring
module Event
# Event fired when a server's description changes.
#
# @since 2.4.0
class ServerDescriptionChanged
# @return [ Address ] address The server address.
attr_reader :address
# @return [ Topology ] topology The topology.
attr_reader :topology
# @return [ Server::Description ] previous_description The previous server
# description.
attr_reader :previous_description
# @return [ Server::Description ] new_description The new server
# description.
attr_reader :new_description
# Create the event.
#
# @example Create the event.
# ServerDescriptionChanged.new(address, topology, previous, new)
#
# @param [ Address ] address The server address.
# @param [ Integer ] topology The topology.
# @param [ Server::Description ] previous_description The previous description.
# @param [ Server::Description ] new_description The new description.
#
# @since 2.4.0
def initialize(address, topology, previous_description, new_description)
@address = address
@topology = topology
@previous_description = previous_description
@new_description = new_description
end
end
end
end
end
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