Batch applications
By default, batch applications require a DataSource to store job details. If you
want to deviate from that, you’ll need to implement BatchConfigurer, see
The
Javadoc of @EnableBatchProcessing for more details.
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Execute Spring Batch jobs on startup
Spring Batch auto-configuration is enabled by adding @EnableBatchProcessing
(from Spring Batch) somewhere in your context.
By default it executes all Jobs in the application context on startup (see
JobLauncherCommandLineRunner
for details). You can narrow down to a specific job or jobs by specifying
spring.batch.job.names (comma-separated job name patterns).
If the application context includes a JobRegistry then the jobs in
spring.batch.job.names are looked up in the registry instead of being autowired from the
context. This is a common pattern with more complex systems where multiple jobs are
defined in child contexts and registered centrally.
See BatchAutoConfiguration and @EnableBatchProcessing for more details.