class Reacto::Operations::RetryWhen

Public Class Methods

new(behaviour, predicate) click to toggle source
# File lib/reacto/operations/retry_when.rb, line 6
def initialize(behaviour, predicate)
  @behaviour = behaviour
  @predicate = predicate
  @retries = {}
end

Public Instance Methods

call(tracker) click to toggle source
# 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