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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
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