Module: Resque::Plugins::RetryOnFail

Includes:

Retried

Defined in:

lib/resque/plugins/retry_on_fail.rb

Overview

If you want your job to retry when an exception is encountered, extend this module. Override retried_exceptions to return an array of the exceptions that are ok to retry on. There are no defaults.

Instance Method Summary

• #on_failure_retry_on_fail(e, *args) ⇒ Object

  Use resque’s failure hook.

• #retried_exceptions ⇒ Object

  Override in your subclass to control how long to wait before re-queueing the job when a lock is encountered.

• #retried_on_exception?(ex) ⇒ Boolean

  Convenience method to test whether your class will retry on a given exception type.

Methods included from Retried

#args_for_try_again, #seconds_until_retry, #try_again

Instance Method Details

#on_failure_retry_on_fail(e, *args) ⇒ Object

Use resque’s failure hook.

# File 'lib/resque/plugins/retry_on_fail.rb', line 25

def on_failure_retry_on_fail(e, *args)
  try_again(*args) if retried_on_exception?(e.class)
end

#retried_exceptions ⇒ Object

Override in your subclass to control how long to wait before re-queueing the job when a lock is encountered. Note that the job will block other jobs while this wait occurs. Return nil to perform no delay.

# File 'lib/resque/plugins/retry_on_fail.rb', line 20

def retried_exceptions
  []
end

#retried_on_exception?(ex) ⇒ Boolean

Convenience method to test whether your class will retry on a given exception type.

Returns:

• (Boolean)

# File 'lib/resque/plugins/retry_on_fail.rb', line 12

def retried_on_exception?(ex)
  !! retried_exceptions.any? { |e| e >= ex }
end