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dich1/Main.rb

Last active September 21, 2019 01:48
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Factory Method(ファクトリーメソッド)パターン ref: https://qiita.com/dich1/items/78e625378725f2f881a1
Raw
Main.rb
require './SuperCreator'
class Main
creator = SuperCreator.new(:name1 => '製品1', :name2 => '製品2')
creator.factory_method()
end
Raw
main.rb
require './SuperCreator'
class Main
creator = SuperCreator.new(:name1 => '製品1', :name2 => '製品2')
creator.factory_method()
end
Raw
SubProduct1.rb
require './SuperProduct'
class SubProduct1 < SuperProduct
def initialize(product1)
super
end
def abstract_method()
puts "#{@product}の特徴1"
end
end
Raw
SubProduct2.rb
require './SuperProduct'
class SubProduct2 < SuperProduct
def initialize(product2)
super
end
def abstract_method()
puts "#{@product}の特徴2"
end
end
Raw
SuperCreator.rb
require './SubProduct1'
require './SubProduct2'
class SuperCreator
def initialize(args)
@product1 = new_product(:type1, args[:name1])
@product2 = new_product(:type2, args[:name2])
end
def factory_method()
@product1.template_method()
@product2.template_method()
end
def new_product(type name)
return SubProduct1.new(name) if type == :type1
return SubProduct2.new(name) if type == :type2
raise "Unknown product type #{type}"
end
end
Raw
SuperProduct.rb
class SuperProduct
def initialize(product)
@product = product
end
def template_method()
abstract_method()
end
def abstract_method()
raise 'Abstract method'
end
end
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