Class: RateThrottleClient::ExponentialIncreaseProportionalDecrease

Inherits:
Base
  • Object
show all
Defined in:
lib/rate_throttle_client/clients/exponential_increase_proportional_decrease.rb

Instance Attribute Summary collapse

Attributes inherited from Base

#log, #min_sleep, #multiplier, #sleep_for

Instance Method Summary collapse

Methods inherited from Base

#jitter

Constructor Details

#initialize(*args, decrease_divisor: nil, **kargs) ⇒ ExponentialIncreaseProportionalDecrease

Returns a new instance of ExponentialIncreaseProportionalDecrease.



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# File 'lib/rate_throttle_client/clients/exponential_increase_proportional_decrease.rb', line 5

def initialize(*args, decrease_divisor: nil, **kargs)
  super(*args, **kargs)
  @decrease_divisor = (decrease_divisor || RateThrottleClient.max_limit).to_f
end

Instance Attribute Details

#decrease_divisor ⇒ Object

Returns the value of attribute decrease_divisor.



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# File 'lib/rate_throttle_client/clients/exponential_increase_proportional_decrease.rb', line 3

def decrease_divisor
  @decrease_divisor
end

Instance Method Details

#call(&block) ⇒ Object 



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# File 'lib/rate_throttle_client/clients/exponential_increase_proportional_decrease.rb', line 10

def call(&block)
  sleep_for = @sleep_for
  sleep(sleep_for + jitter(sleep_for))

  while (req = yield) && req.status == 429
    sleep_for += @min_sleep

    @log.call(Info.new(sleep_for: sleep_for, request: req))
    sleep(sleep_for + jitter(sleep_for))

    sleep_for *= @multiplier
  end

  decrease_value = sleep_for / @decrease_divisor

  if sleep_for >= decrease_value
    sleep_for -= decrease_value
  else
    sleep_for = 0
  end

  @sleep_for = sleep_for

  req
end