Class: Reacto::Operations::RetryWhen

Inherits:
Object
  • Object
show all
Defined in:
lib/reacto/operations/retry_when.rb

Instance Method Summary collapse

Constructor Details

#initialize(behaviour, predicate) ⇒ RetryWhen

Returns a new instance of RetryWhen.



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# File 'lib/reacto/operations/retry_when.rb', line 6

def initialize(behaviour, predicate)
  @behaviour = behaviour
  @predicate = predicate
  @retries = {}
end

Instance Method Details

#call(tracker) ⇒ Object 



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# File 'lib/reacto/operations/retry_when.rb', line 12

def call(tracker)
  @retries[tracker] ||= 0

  error = -> (e) do
    should_retry = @predicate.call(e, @retries[tracker])

    if should_retry
      @retries[tracker] += 1
      @behaviour.call(self.call(tracker))
    else
      tracker.on_error(e)
    end
  end

  Subscriptions::OperationSubscription.new(tracker, error: error)
end