class ActiveJob::QueueAdapters::AbstractAdapter  
        Active Job Abstract Adapter
Active Job supports multiple job queue systems. ActiveJob::QueueAdapters::AbstractAdapter forms the abstraction layer which makes this possible.
Public instance methods
Source code GitHub
# File activejob/lib/active_job/queue_adapters/abstract_adapter.rb, line 10
def enqueue(job)
  raise NotImplementedError
end
            Source code GitHub
# File activejob/lib/active_job/queue_adapters/abstract_adapter.rb, line 14
def enqueue_at(job, timestamp)
  raise NotImplementedError
end