Here is an example of a recent Vaadin project where I needed a scheduled message sent to a set of subscribers. If you use Spring Integration, the default task scheduler is explain here. If you use Spring Integration module, the default scheduler is SimpleTaskScheduler. In terms of scheduled-tasks, it is working fine for me. To access the hashmap from the scheduled job, simply either autowire your service class or create a static get function for the hashmap. So if you dont provide any then how that default pool look like. Yes, absolutely! The easiest way is to make sure that the hashmap in question is declared as static. This said, to answer your two questions the best I can:Ĭan a job that is executed every five seconds, implemented with a scheduler, use a HashMap out of a service inside the main program? (in spring and/or in Quartz?) To read more about scheduling in Spring, can check out these Async and Scheduled articles. Then we'll explore the different triggers to use. I have to make a few assumptions about which version of Spring you're using but as you're in the process of learning, I would assume that you're using spring-boot or a fairly new version, so please excuse if the annotations don't match your version of Spring. In this tutorial, we'll discuss the Spring task scheduling mechanism, TaskScheduler, and it's pre-built implementations. Isn't a scheduler already parallel to the main process?
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