Module: Server::Listenable

Included in:
ModularHandler
Defined in:
lib/server/listenable.rb

Overview

The Listenable module

Instance Method Summary collapse

Instance Method Details

#add_listener(*listener) ⇒ Object 



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# File 'lib/server/listenable.rb', line 23

def add_listener(*listener)
  listeners.addAll(listener)
end

#listeners ⇒ Object 



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# File 'lib/server/listenable.rb', line 19

def listeners
  @listeners ||= java.util.concurrent.CopyOnWriteArrayList.new
end

#notify(event, *args) ⇒ Object 



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# File 'lib/server/listenable.rb', line 38

def notify(event, *args)
  listeners.each do |listener|
    next unless listener.respond_to?(event.to_sym)
    log.trace "Notifying listener #{listener} of event: #{event}"
    listener.send(event.to_sym, *args)
  end
end

#remove_listener(*listener) ⇒ Object 



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# File 'lib/server/listenable.rb', line 27

def remove_listener(*listener)
  listeners.removeAll(listener)
end

#replace_listeners(*listener) ⇒ Object 



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# File 'lib/server/listenable.rb', line 31

def replace_listeners(*listener)
  listeners.clear
  add_listener(*listener)
ensure
  log.trace "Listeners after replacement: #{listeners}"
end