Module: Shout::Observable

Defined in:
lib/shout/observable.rb

Overview

include me

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Instance Attribute Details

#shout_observer_list ⇒ Object

Returns the value of attribute shout_observer_list.



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# File 'lib/shout/observable.rb', line 28

def shout_observer_list
  @shout_observer_list
end

Class Method Details

.included(mod) ⇒ Object

Internal Methods



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# File 'lib/shout/observable.rb', line 24

def self.included(mod)
  mod.send(:extend, ClassMethods)
end

.run_callbacks(instance, event, *params) ⇒ Object

Really this is for clarity until everyone is cool with the implementation.



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# File 'lib/shout/observable.rb', line 8

def self.run_callbacks(instance,event,*params)
  instance.run_shout_callbacks(event,*params)
end

Instance Method Details

#idemp_observer(k, i) ⇒ Object

This is done this way because I want to be able to #new these up at the time an event comes in, rather than using and after_initialize callback.



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# File 'lib/shout/observable.rb', line 33

def idemp_observer(k,i)
  self.shout_observer_list ||= []
  return if self.shout_observer_list.assoc(k)
  self.shout_observer_list.push([i.class, i])
end

#notify_shout_observers(event, *params) ⇒ Object 



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# File 'lib/shout/observable.rb', line 17

def notify_shout_observers(event, *params)
  self.shout_observer_list.each do |k,i|
    i.update_with_shout_event(event, *params)
  end
end

#run_shout_callbacks(event, *params) ⇒ Object 



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# File 'lib/shout/observable.rb', line 12

def run_shout_callbacks(event, *params)
                                  # HMMM: not sure how I feel
  self.class.load_observers(self) # about this. See #idemp_observer.
  self.notify_shout_observers(event, *params)
end