module DragonSkeleton::LongCalculation::LongCalculationFiber

A long calculation that runs over many steps and eventually returns a result.

Attributes

result[RW]

The result of the calculation or nil if the calculation has not finished yet.

Public Instance Methods

finish() click to toggle source

Runs the calculation until it finishes.

# File lib/dragon_skeleton/long_calculation/long_calculation_fiber.rb, line 61
def finish
  self.yield_strategy = NeverYieldStrategy
  resume
end

finished?() click to toggle source

Returns true if the calculation has finished.

# File lib/dragon_skeleton/long_calculation/long_calculation_fiber.rb, line 56
def finished?
  !result.nil?
end

resume() click to toggle source

Runs the next step of the calculation.

Calls superclass method

# File lib/dragon_skeleton/long_calculation/long_calculation_fiber.rb, line 48
def resume
  return if finished?

  self.yield_strategy ||= AlwaysYieldStrategy
  super
end

run_for_ms(milliseconds) click to toggle source

Runs the calculation until it finishes or the given amount of milliseconds has passed.

This is useful for spreading the calculation over multiple ticks.

# File lib/dragon_skeleton/long_calculation/long_calculation_fiber.rb, line 69
def run_for_ms(milliseconds)
  self.yield_strategy = YieldAfterDurationStrategy.new(milliseconds)
  resume
end