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Class: Mongo::Monitoring::TopologyChangedLogSubscriber

Relationships & Source Files
Super Chains via Extension / Inclusion / Inheritance
Class Chain:
self, SDAMLogSubscriber
Instance Chain:
self, SDAMLogSubscriber, ::Mongo::Loggable
Inherits: Mongo::Monitoring::SDAMLogSubscriber
Defined in: lib/mongo/monitoring/topology_changed_log_subscriber.rb

Overview

Subscribes to Topology Changed events and logs them.

Since:

  • 2.4.0

Constant Summary

::Mongo::Loggable - Included

PREFIX

Class Method Summary

SDAMLogSubscriber - Inherited

.new

Create the new log subscriber.

Instance Attribute Summary

SDAMLogSubscriber - Inherited

#options

Instance Method Summary

SDAMLogSubscriber - Inherited

#succeeded

Handle the SDAM succeeded event.

::Mongo::Loggable - Included

#log_debug

Convenience method to log debug messages with the standard prefix.
#log_error

Convenience method to log error messages with the standard prefix.
#log_fatal

Convenience method to log fatal messages with the standard prefix.
#log_info

Convenience method to log info messages with the standard prefix.
#log_warn

Convenience method to log warn messages with the standard prefix.
#logger

Get the logger instance.
#_mongo_log_prefix, #format_message

Constructor Details

This class inherits a constructor from Mongo::Monitoring::SDAMLogSubscriber

Instance Method Details

#log_event(event) (private)

Since:

  • 2.4.0

[ GitHub ] 

  


# File 'lib/mongo/monitoring/topology_changed_log_subscriber.rb', line 28



def log_event(event)
  if event.previous_topology.class != event.new_topology.class
    log_debug(
      "Topology type '#{event.previous_topology.display_name}' changed to " +
      "type '#{event.new_topology.display_name}'."
    )
  else
    log_debug(
      "There was a change in the members of the '#{event.new_topology.display_name}' " +
        "topology."
    )
  end
end