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# frozen_string_literal: true
require_relative "../support/job_buffer"
require "active_support/core_ext/integer/inflections"
class DefaultsError < StandardError; end
class FirstRetryableErrorOfTwo < StandardError; end
class SecondRetryableErrorOfTwo < StandardError; end
class LongWaitError < StandardError; end
class ShortWaitTenAttemptsError < StandardError; end
class ExponentialWaitTenAttemptsError < StandardError; end
class CustomWaitTenAttemptsError < StandardError; end
class CustomCatchError < StandardError; end
class DiscardableError < StandardError; end
class FirstDiscardableErrorOfTwo < StandardError; end
class SecondDiscardableErrorOfTwo < StandardError; end
class CustomDiscardableError < StandardError; end
class RetryJob < ActiveJob::Base
retry_on DefaultsError
retry_on FirstRetryableErrorOfTwo, SecondRetryableErrorOfTwo
retry_on LongWaitError, wait: 1.hour, attempts: 10
retry_on ShortWaitTenAttemptsError, wait: 1.second, attempts: 10
retry_on ExponentialWaitTenAttemptsError, wait: :exponentially_longer, attempts: 10
retry_on CustomWaitTenAttemptsError, wait: ->(executions) { executions * 2 }, attempts: 10
retry_on(CustomCatchError) { |job, error| JobBuffer.add("Dealt with a job that failed to retry in a custom way after #{job.arguments.second} attempts. Message: #{error.message}") }
retry_on(ActiveJob::DeserializationError) { |job, error| JobBuffer.add("Raised #{error.class} for the #{job.executions} time") }
discard_on DiscardableError
discard_on FirstDiscardableErrorOfTwo, SecondDiscardableErrorOfTwo
discard_on(CustomDiscardableError) { |job, error| JobBuffer.add("Dealt with a job that was discarded in a custom way. Message: #{error.message}") }
def perform(raising, attempts)
if executions < attempts
JobBuffer.add("Raised #{raising} for the #{executions.ordinalize} time")
raise raising.constantize
else
JobBuffer.add("Successfully completed job")
end
end
end
class ExceptionRetryJob < ActiveJob::Base
retry_on FirstRetryableErrorOfTwo, SecondRetryableErrorOfTwo, attempts: 4
retry_on DefaultsError
def perform(exceptions)
raise exceptions.shift.constantize.new unless exceptions.empty?
end
end
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