I am new to batch processing. I am trying to start with simple scheduler and job. But i am confused b/w spring batch vs quartz jobs. My understanding is
Quartz :- quartz provides both frameworks i.e scheduler framework and job framework(in case I do not want to use spring batch jobs). Right ?
Spring Batch :- It only provides the job framework . I have always send using Quatz schecduler to schedule spring batch jobs. Does spring provides its own scheduler also ?
Maven dependenciesSpring boot has inbuilt support for quartz, so all you need is to import dependencies such as spring-boot-starter-quartz and spring-boot-starter-batch . Please note that quartz needs at least one database available to store job execution details.
Project SetupYou can give the project name as spring-batch-quartz-scheduler. Make sure to have the following build. gradle script for gradle based project. I have added required dependencies, such as, Quartz API, MySQL database connector, JAXB API etc.
QuartzJobScheduling is an open-source job scheduling library. It has a rich set of features that can integrate into our Java applications virtually. We can integrate it with either a stand-alone application or the largest e-commerce system. Quartz is used for creating complex schedules having tens-of-thousands of jobs.
Based on the docs, Spring provides three way of scheduling: @Scheduled. Via Quartz. Via JDK Timer.
Quartz is a scheduling framework. Like "execute something every hour or every last friday of the month"
Spring Batch is a framework that defines that "something" that will be executed. You can define a job, that consists of steps. Usually a step is something that consists of item reader, optional item processor and item writer, but you can define a custom stem. You can also tell Spring batch to commit on every 10 items and a lot of other stuff.
You can use Quartz to start Spring Batch jobs.
So basically Spring Batch defines what should be done, Quartz defines when it should be done.
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