class Mongo::Event::DescriptionChanged
This handles a change in description.
@since 2.0.6
Attributes
cluster[R]
@return [ Mongo::Cluster
] cluster The cluster.
monitoring[R]
@return [ Monitoring
] monitoring The monitoring.
options[R]
@return [ Hash ] options The options.
Public Class Methods
new(cluster)
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Initialize the new host added event handler.
@example Create the new handler.
ServerAdded.new(cluster)
@param [ Mongo::Cluster
] cluster The cluster to publish from.
@since 2.0.0
# File lib/mongo/event/description_changed.rb, line 42 def initialize(cluster) @cluster = cluster @options = cluster.options @monitoring = cluster.monitoring end
Public Instance Methods
handle(previous, updated)
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This event publishes an event to add the cluster and logs the configuration change.
@example Handle the event.
server_added.handle('127.0.0.1:27018')
@param [ Server::Description
] updated The changed description.
@since 2.0.0
# File lib/mongo/event/description_changed.rb, line 57 def handle(previous, updated) publish_sdam_event( Monitoring::SERVER_DESCRIPTION_CHANGED, Monitoring::Event::ServerDescriptionChanged.new( updated.address, cluster.topology, previous, updated ) ) cluster.add_hosts(updated) cluster.remove_hosts(updated) end