Class: Couchbase::Protostellar::Retry::Strategies::BestEffort Private

Inherits:
Object
  • Object
show all
Defined in:
lib/couchbase/protostellar/retry/strategies/best_effort.rb

This class is part of a private API. You should avoid using this class if possible, as it may be removed or be changed in the future.

Constant Summary collapse

DEFAULT =

This constant is part of a private API. You should avoid using this constant if possible, as it may be removed or be changed in the future. 

BestEffort.new.freeze

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(backoff_calculator = nil) ⇒ BestEffort

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

Returns a new instance of BestEffort.



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# File 'lib/couchbase/protostellar/retry/strategies/best_effort.rb', line 24

def initialize(backoff_calculator = nil)
  # The default backoff calculator starts with a 1 millisecond backoff and doubles it after each retry
  # attempt, up to a maximum of 500 milliseconds
  @backoff_calculator =
    if backoff_calculator.nil?
      lambda { |retry_attempt_count| [2**retry_attempt_count, 500].min }
    else
      backoff_calculator
    end
end

Instance Attribute Details

#backoff_calculator ⇒ Object (readonly)

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future. 



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# File 'lib/couchbase/protostellar/retry/strategies/best_effort.rb', line 22

def backoff_calculator
  @backoff_calculator
end

Instance Method Details

#retry_after(request, reason) ⇒ Object

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future. 



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# File 'lib/couchbase/protostellar/retry/strategies/best_effort.rb', line 35

def retry_after(request, reason)
  if request.idempotent || reason.allows_non_idempotent_retry
    backoff = @backoff_calculator.call(request.retry_attempts)
    Retry::Action.with_duration(backoff)
  else
    Retry::Action.no_retry
  end
end