如何在Java中的某个特定时间间隔后调用方法 [英] How to call a method after some specific interval of time in Java

问题描述

这是用例:

我正在使用 Java(带有 Spring)

I am using Java (with Spring)

一旦用户(通过网络应用程序)确认订阅，我想在 30 分钟后给他发送一封电子邮件.

Once the user (through a web-app) confirms to the subscription, I want to send him an email exactly after 30 mins.

现在怎么做?我需要消息代理吗?或者像ScheduledExecutorService?我需要某种队列吗?

Now how to do this? Do I need a message broker? or something like ScheduledExecutorService? Do I need some sort of queue?

请指教.

推荐答案

可以看看 quartz scheduler为了这.

顺便说一句，一个常见的策略是每 30 分钟左右批量发送所有待处理邮件.Quartz 也可以帮助做到这一点.

By the way a common strategy is to send a bulk of all pending mails in bulk in every 30 minutes or so. Quartz can help in do that as well.

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