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23.6. 配置 EJB3 定时器服务
23.6.1. EJB3 定时器服务
EJB3 定时器服务是一个标准的 Java EE 6 服务,用于调度 EJB 的方法调用。Stateless session beans、singleton session beans 和 message-driven bean 都可以在指定时间调度它们的回调方法。方法回调可以发生在指定的时间、以某个时间间隔循环发生或基于日历进行调度。

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