module ActiveJob::Continuable
Active Job Continuable
The Continuable module provides the ability to track the progress of your jobs, and continue from where they left off if interrupted.
Mix ActiveJob::Continuable
into your job to enable continuations.
See ActiveJob::Continuation
for usage.
Attributes
[RW] | resumptions |
The number of times the job has been resumed. |
Public class methods
Source code GitHub
# File activejob/lib/active_job/continuable.rb, line 23
def initialize(...)
super(...)
self.resumptions = 0
self.continuation = Continuation.new(self, {})
end
Public instance methods
Start a new continuation step
Source code GitHub
# File activejob/lib/active_job/continuable.rb, line 36
def step(step_name, start: nil, &block)
unless block_given?
step_method = method(step_name)
raise ArgumentError, "Step method '#{step_name}' must accept 0 or 1 arguments" if step_method.arity > 1
if step_method.parameters.any? { |type, name| type == :key || type == :keyreq }
raise ArgumentError, "Step method '#{step_name}' must not accept keyword arguments"
end
block = step_method.arity == 0 ? -> (_) { step_method.call } : step_method
end
checkpoint! if continuation.advanced?
continuation.step(step_name, start: start, &block)
end