Class: Mongo::Server::Description::Inspector::DescriptionChanged

Inherits:

Object

• Object
• Mongo::Server::Description::Inspector::DescriptionChanged

Includes:

Event::Publisher

Defined in:

lib/mongo/server/description/inspector/description_changed.rb

Overview

Handles inspecting the result of an ismaster command for servers added to the cluster.

Since:

• 2.0.0

Instance Attribute Summary

Attributes included from Event::Publisher

#event_listeners

Instance Method Summary

• #initialize(event_listeners) ⇒ DescriptionChanged constructor

  Instantiate the server added inspection.

• #run(description, updated) ⇒ Object

  Run the server added inspection.

Methods included from Event::Publisher

#publish

Constructor Details

#initialize(event_listeners) ⇒ DescriptionChanged

Instantiate the server added inspection.

Examples:

Instantiate the inspection.

ServerAdded.new(listeners)

Parameters:

• event_listeners (Event::Listeners) —

  The event listeners.

Since:

• 2.0.0

# File 'lib/mongo/server/description/inspector/description_changed.rb', line 35

def initialize(event_listeners)
  @event_listeners = event_listeners
end

Instance Method Details

#run(description, updated) ⇒ Object

Run the server added inspection.

Examples:

Run the inspection.

ServerAdded.run(description, {})

Parameters:

• description (Description) —

  The server description.

• updated (Description) —

  The updated description.

Since:

• 2.0.0

# File 'lib/mongo/server/description/inspector/description_changed.rb', line 48

def run(description, updated)
  unless (description.unknown? && updated.unknown?) || (description == updated)
    publish(Event::DESCRIPTION_CHANGED, description, updated)
  end
end