문제번호: 14464

수정 요청(신고)

퍼가기(복사)

7. 다음 파이썬(Python) 코드에 적용된 디자인 패턴은?

  from abc import ABCMeta, abstractmethod
  class Order(metaclass=ABCMeta):
     @abstractmethod
     def execute(self):
         pass
  class BuyStockOrder(Order):
     def __init__(self, stock):
         self.stock = stock
     def execute(self):
         self.stock.buy()
  class SellStockOrder(Order):
     def __init__(self, stock):
         self.stock = stock
     def execute(self):
         self.stock.sell()
  class StockTrade:
     def buy(self):
         print(“You will buy stocks”)
     def sell(self):
         print(“You will sell stocks”)
  class Agent:
     def __init__(self):
         self.__orderQueue = []
     def placeOrder(self, order):
         self.__orderQueue.append(order)
         order.execute()
  if __name__ == ‘__main__’:
     #Client
     stock = StockTrade()
     buyStock = BuyStockOrder(stock)
     sellStock = SellStockOrder(stock)
     #Invoker
     agent = Agent()
     agent.placeOrder(buyStock)
     agent.placeOrder(sellStock)

• 1
   Interpreter Pattern
• 2
   Strategy Pattern
• 3
   Memento Pattern
• 4
   Command Pattern

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