必需文件
- active_job/core
- active_job/queue_adapter
- active_job/queue_name
- active_job/queue_priority
- active_job/enqueuing
- active_job/execution
- active_job/callbacks
- active_job/exceptions
- active_job/log_subscriber
- active_job/structured_event_subscriber
- active_job/logging
- active_job/instrumentation
- active_job/execution_state
命名空间
- MODULE ActiveJob
- 类 ActiveJob::Base