class OrderSend

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

Public Class Methods

new() click to toggle source

this method initializes the observer array to store the observable objects

# File lib/pricing_observer.rb, line 5
def initialize
        @observers=[]
end

Public Instance Methods

add_observer(observer) click to toggle source

adds the observable objects into class

# File lib/pricing_observer.rb, line 10
def add_observer(observer)
        @observers << observer
end

delete_observer(observer) click to toggle source

deletes the observable objects from the class

# File lib/pricing_observer.rb, line 15
def delete_observer(observer)
        @observers.delete(observer)
end

notify_observers(check_store) click to toggle source

notify's the observer when an desired condition is triggered

# 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