Unlocking the Power of Scheduled Jobs in Spring Boot

Today we have another bit of a fullstack demo for those new to using Java Spring Boot. We'll be looking at Scheduled Jobs, also known as Scheduled Tasks.

There are 3 options when using Scheduled in Java Spring Boot, and we'll go through all 3:
1. FixedDelay - The same thread executes the Job. If the thread is busy when the next execution is timed to occur, Spring Boot will wait until the thread is complete
2. FixedRate - The Job is executed by a different thread, with the help of "Async" annotation. This means that even when a Job has not finished before the next execution is launched, Spring Boot will create it using a different thread
3. Cron - Similar to Unix / Linux sysadmin work, we can use a "cron" expression to schedule a Job

I hope you have a lot of fun with this project, and that it inspires you to pursue your own creative design!

👉👉Grab the source! https://github.com/wazooinc/spring-boot-3-scheduled-jobs

🔗Grab My Other Products Available:
- Packaging a JavaScript Frontend in Java Spring Boot: https://t.ly/gaKyT
- Build Your First Web Service with Java Spring Boot: https://t.ly/iv_84

👋🏻Connect with me:
Twitter: https://www.twitter.com/eyuzwa

🔗References:
- Docker Desktop Client: https://www.docker.com/
- Cron Reference: https://crontab.cronhub.io/

===---=== Chapters ===---===
00:00 - Introduction
00:13 - What are Scheduled Jobs?
01:14 - Generate Project
02:05 - Setting up Project Basics
06:01 - Sketching out the ProductInventoryJob
07:45 - a FixedDelay Scheduled Job
09:40 - @EnableScheduling
10:55 - a FixedRate Scheduled Job
12:42 - @EnableAsync
13:18 - Checking the Database
14:31 - a Cron Scheduled Job

#springboot #docker #scheduledjobs

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