# 程序包的使用
org.springframework.scheduling.config

- 使用org.springframework.scheduling.config的程序包
  程序包 | 说明
  --- | ---
  org.springframework.scheduling.annotation | Java 5 annotation for asynchronous method execution.
  org.springframework.scheduling.config | Support package for declarative scheduling configuration, with XML schema being the primary configuration format.

- org.springframework.scheduling.annotation使用的org.springframework.scheduling.config中的类
  类和说明
  ScheduledTask A representation of a scheduled task at runtime, used as a return value for scheduling methods.
  ScheduledTaskHolder Common interface for exposing locally scheduled tasks.
  ScheduledTaskRegistrar Helper bean for registering tasks with a `TaskScheduler`, typically using cron expressions.

- org.springframework.scheduling.config使用的org.springframework.scheduling.config中的类
  类和说明
  CronTask `TriggerTask` implementation defining a `Runnable` to be executed according to a standard cron expression.
  FixedDelayTask Specialization of `IntervalTask` for fixed-delay semantics.
  FixedRateTask Specialization of `IntervalTask` for fixed-rate semantics.
  IntervalTask `Task` implementation defining a `Runnable` to be executed at a given millisecond interval which may be treated as fixed-rate or fixed-delay depending on context.
  ScheduledTask A representation of a scheduled task at runtime, used as a return value for scheduling methods.
  ScheduledTaskHolder Common interface for exposing locally scheduled tasks.
  ScheduledTaskRegistrar Helper bean for registering tasks with a `TaskScheduler`, typically using cron expressions.
  Task Holder class defining a `Runnable` to be executed as a task, typically at a scheduled time or interval.
  TriggerTask `Task` implementation defining a `Runnable` to be executed according to a given `Trigger`.