class AWS::SNS::Subscription

def exists?

Returns:
  • (Boolean) - Returns true if the subscription exists.

Other tags:
    Note: - This method requests the entire list of subscriptions 
def exists?
  collection =
    if topic
      TopicSubscriptionCollection.new(topic,
                                      :config => config)
    else
      SubscriptionCollection.new(:config => config)
    end
  collection.include?(self)
end