Class: OrderSend

Inherits:
Object
  • Object
show all
Defined in:
lib/pricing_observer.rb

Overview

this observer pattern provides reusability class that helps to produce a dynamic pricing strategy for all the products every time the order is confirmed.

Instance Method Summary collapse

Constructor Details

#initialize ⇒ OrderSend

this method initializes the observer array to store the observable objects



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# File 'lib/pricing_observer.rb', line 5

def initialize
	@observers=[]
end

Instance Method Details

#add_observer(observer) ⇒ Object

adds the observable objects into class



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# File 'lib/pricing_observer.rb', line 10

def add_observer(observer)
	@observers << observer
end

#delete_observer(observer) ⇒ Object

deletes the observable objects from the class



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# File 'lib/pricing_observer.rb', line 15

def delete_observer(observer)
	@observers.delete(observer)
end

#notify_observers(check_store) ⇒ Object

notify’s the observer when an desired condition is triggered



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# File 'lib/pricing_observer.rb', line 20

def notify_observers(check_store)
	@observers.each do |observer|
	    puts "Notifying"
		observer.pricing_by_hit(check_store)
		puts "Notified the observer"
	end
end