Builderビルダーパターンを用いたRubyデザインパターンプログラミング例

# -*- encoding: utf-8 -*-

# villain one
puts 'This is the first villain'
puts 'villain one: head'
puts 'villain one: thin body'
puts 'villain one: hands'
puts 'Villain one: feet'

#villain two
puts 'This is the second villain'
puts 'Villain two: head'
puts 'Villain two: fat body'
puts 'Villain two: hands'
puts 'Villain two: feet'

# -*- encoding: utf-8 -*-

#
class PersionBuilder
  def head
    puts ''
  end
  def body
    puts ''
  end
  def arm
    puts ''
  end
  def leg
    puts ''
  end
end

#Villain I
class PersionThinBuilder < PersionBuilder
  def head
    puts 'head'
  end
  def body
    puts 'thin body'
  end
  def arm
    puts 'hands'
  end
  def leg
    puts 'feet'
  end
end
#Villain II
class PersionFatBuilder < PersionBuilder
  def head
    puts 'head'
  end
  def body
    puts 'fat body'
  end
  def arm
    puts 'hands'
  end
  def leg
    puts 'feet'
  end
end

#Conductor class
class PersionDirect
  def initialize(persion)
    @persion = persion
  end
  
  def create_persion
    @persion.head
    @persion.body
    @persion.arm
    @persion.leg
  end

end
puts 'This is the first villain'
p1 = PersionThinBuilder.new
pd1 = PersionDirect.new(p1)
pd1.create_persion

puts 'This is the second villain'
p2 = PersionThinBuilder.new
pd2 = PersionDirect.new(p2)
pd2.create_persion