Module: Retryable

Extended by:
Decoratable
Defined in:
lib/decoratable/retryable.rb

Constant Summary collapse

NO_BACKOFF = 
proc { 0 }
LINEAR_BACKOFF = 
proc { |n| n + 1 }
EXPONENTIAL_BACKOFF = 
proc { |n| 2**n }

Instance Method Summary collapse

Methods included from Decoratable

extended

Instance Method Details

#retryable(tries = 1, on: [RuntimeError], backoff: NO_BACKOFF) ⇒ Object 



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# File 'lib/decoratable/retryable.rb', line 10

def retryable(tries = 1, on: [RuntimeError], backoff: NO_BACKOFF)
  attempts = 0
  on = Array(on)

  begin
    yield
  rescue *on

    if attempts >= tries
      raise
    else
      sleep backoff.call(attempts)
      attempts += 1
      retry
    end
  end
end