Class: PointAndFigure::OutputDataGenerator

Inherits:
Object
  • Object
show all
Defined in:
lib/point_and_figure/output_data_generator.rb

Instance Method Summary collapse

Constructor Details

#initialize(base_point, base_turn, data_set) ⇒ OutputDataGenerator

Returns a new instance of OutputDataGenerator.



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# File 'lib/point_and_figure/output_data_generator.rb', line 3

def initialize(base_point, base_turn, data_set)
  @base_point = base_point
  @base_turn = base_turn
  @data_set = data_set
  @round_unit = PointAndFigure.calc_round_unit base_point
  @output_data = {
    base_point: @base_point,
    base_turn: @base_turn,
    data_set: []
  }
  @prev_value = @data_set[0]
  @current_trend = nil
  @current_line = 1
  @current_max = @data_set[0].floor @round_unit
  @current_min = @data_set[0].ceil @round_unit
end

Instance Method Details

#generate ⇒ Object 



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# File 'lib/point_and_figure/output_data_generator.rb', line 20

def generate
  @data_set.each.with_index do |value, i|
    # 初期値か
    next if i.zero?

    # 現在の枠が☓か○か
    if up_trend?
      # 高値を1枠以上更新したか
      if (value.floor(@round_unit) - @current_max).round(@round_unit) >= @base_point
        generator = PointAndFigure::PointGenerator.new @base_point, value.floor(@round_unit), @current_max, @current_line, @output_data
        @output_data = generator.generate trend: @current_trend
        @current_max = value.floor @round_unit
        next
      else
        # 高値の枠より基準枠以上価格が下がったか
        if ((@current_max - value.ceil(@round_unit)) / @base_point).round > @base_turn
          @current_trend = :down
          @current_line += 1
          @current_min = value.ceil @round_unit
          generator = PointAndFigure::PointGenerator.new @base_point, @current_min, @current_max, @current_line, @output_data
          @output_data = generator.generate trend: @current_trend, trend_changed: true
          next
        else
          next
        end
      end
    elsif down_trend?
      # 安値を1枠以上更新したか
      if (@current_min - value.ceil(@round_unit)).round(@round_unit) >= @base_point
        generator = PointAndFigure::PointGenerator.new @base_point, value.ceil(@round_unit), @current_min, @current_line, @output_data
        @output_data = generator.generate trend: @current_trend
        @current_min = value.ceil @round_unit
        next
      else
        # 安値の枠より基準枠以上価格が上がったか
        if ((value.floor(@round_unit) - @current_min) / @base_point).round > @base_turn
          @current_trend = :up
          @current_line += 1
          @current_max = value.floor @round_unit
          generator = PointAndFigure::PointGenerator.new @base_point, @current_max, @current_min, @current_line, @output_data
          @output_data = generator.generate trend: @current_trend, trend_changed: true
          next
        else
          next
        end
      end
    else
      # 高値or安値を1枠以上更新したか
      if (value.floor(@round_unit) - @current_max).round(@round_unit) >= @base_point
        @current_trend = :up
        generator = PointAndFigure::PointGenerator.new @base_point, value.floor(@round_unit), @current_max, @current_line, @output_data
        @output_data = generator.generate trend: @current_trend
        @current_max = value.floor @round_unit
      elsif (@current_min - value.ceil(@round_unit)).round(@round_unit) >= @base_point
        @current_trend = :down
        generator = PointAndFigure::PointGenerator.new @base_point, value.ceil(@round_unit), @current_min, @current_line, @output_data
        @output_data = generator.generate trend: @current_trend
        @current_min = value.ceil @round_unit
      end
    end
  end
  @output_data
end