module ActionCable module SubscriptionAdapter class Base attr_reader :logger, :server def initialize(server) @server = server @logger = @server.logger end def broadcast(channel, payload) raise NotImplementedError end def subscribe(channel, message_callback, success_callback = nil) raise NotImplementedError end def unsubscribe(channel, message_callback) raise NotImplementedError end def shutdown raise NotImplementedError end end end end