Module: Sufia::Utils::ClassMethods

Defined in:
lib/sufia/models/utils.rb

Instance Method Summary collapse

Instance Method Details

#retry_unless(number_of_tries, condition, &_block) ⇒ Object

retry the block if the conditional call is true unless we hit the maximum tries

Parameters:

  • number_of_tries (enumerator) —

    maximum number of times to retry the block

  • condition (#call) —

    conditional to call and see if we SHOULD retry

Returns:

  • result of the block call

Raises:

  • (ArgumentError) 


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# File 'lib/sufia/models/utils.rb', line 25

def retry_unless(number_of_tries, condition, &_block)
  raise ArgumentError, "First argument must be an enumerator" unless number_of_tries.is_a? Enumerator
  raise ArgumentError, "Second argument must be a lambda" unless condition.respond_to? :call
  raise ArgumentError, "Must pass a block of code to retry" unless block_given?
  number_of_tries.each do
    result = yield
    return result unless condition.call
    sleep(Sufia.config.retry_unless_sleep) if Sufia.config.retry_unless_sleep > 0
  end
  raise "retry_unless could not complete successfully. Try upping the # of tries?"
end