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Contents
# frozen_string_literal: true
module Invoca
module Utils
class << self
# Yields and rescues any exceptions given in `exception_classes`, retrying the given number of times.
# The final retry does not rescue any exceptions.
# The try number (0..retries) is yielded as a block param.
#
# @param [Class or Array(Class)] exception_classes - exception()s) to rescue
# @param [Integer] retries: - 1+ count of retries (1 retry = up to 2 tries total)
# @param [Proc] before_retry - optional proc which is called before each retry, with the exception passed as a block param
# @return the value from yield
def retry_on_exception(exception_classes, retries: 1, before_retry: nil)
retries.times do |attempt_number|
begin
return yield(attempt_number)
rescue *Array(exception_classes) => ex
before_retry&.call(ex)
end
end
yield(retries) # no rescue for this last try, so any exceptions will raise out
end
end
end
end
Version data entries
4 entries across 4 versions & 1 rubygems