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//opt/alt/ruby20/lib64/ruby/2.0.0/drb/observer.rb
require 'observer' module DRb # The Observable module extended to DRb. See Observable for details. module DRbObservable include Observable # Notifies observers of a change in state. See also # Observable#notify_observers def notify_observers(*arg) if defined? @observer_state and @observer_state if defined? @observer_peers @observer_peers.each do |observer, method| begin observer.send(method, *arg) rescue delete_observer(observer) end end end @observer_state = false end end end end
