Ruby Threads(Hilos) script

Threads Ruby

Simple script en ruby, que muestra el manejo de threads(hilos)

El programa debe calcular el area de circulos y triangulos por separado.

Mayor informacion Ruby Multithreading

class Triangle
  attr_accessor :attributes

  def initialize
    @attributes = {
      base:   Random.rand(1..10),
      high: Random.rand(10..15)
    }
  end

end

class Circle
  attr_accessor :attributes

  def initialize
    @attributes = {
      radio: Random.rand(1..10)
    }
  end
end

class QAreas

  @triangles = []
  @circles = []

  def self.generate_triangles
    10.times do |id|
      t = Triangle.new
      @triangles << [id, t.attributes[:base], t.attributes[:high] ]
    end
  end

  def self.triangle_area(b,h)
    return (b * h ) / 2
  end

  def self.generate_circles
    10.times do |id|
      c = Circle.new
      @circles << [id,c.attributes[:radio]]
    end
  end

  def self.circle_area r
    return Math::PI * (r*r)
  end

  def self.start
    QAreas::generate_triangles
    QAreas::generate_circles
    print 'Type-id Area'
    puts ''

    th_triangle = Thread.new do 
      @triangles.each do |id, base, high|
        area = QAreas::triangle_area(base,high)
        print 'T -', id, ' - ', base, '-', high,  '-',area
        puts ''
        sleep(0.2)
      end
    end

    th_cirlce = Thread.new do
      @circles.each do |id, r|
        area =  QAreas::circle_area r
        print 'C -', id, ' - ', r
        puts ''
        sleep(0.2)
      end
    end

    th_triangle.join
    th_cirlce.join
  end

end

QAreas.start