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.

Methods

Attributes

[RW] resumptions

The number of times the job has been resumed.

Class Public methods

new(...)

📝 Source code
# File activejob/lib/active_job/continuable.rb, line 23
      def initialize(...)
        super(...)
        self.resumptions = 0
        self.continuation = Continuation.new(self, {})
      end
🔎 See on GitHub

Instance Public methods

step(step_name, start: nil, isolated: false, &block)

Start a new continuation step

📝 Source code
# File activejob/lib/active_job/continuable.rb, line 36
    def step(step_name, start: nil, isolated: false, &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, isolated: isolated, &block)
    end
🔎 See on GitHub