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Updated Spring Batch 5.0 Migration Guide (markdown)

Mahmoud Ben Hassine 2022-05-17 05:18:18 +02:00
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Spring-Batch-5.0-Migration-Guide.md

@ -24,7 +24,7 @@ Moreover, this version marks the migration to Jakarta EE 9. Please make sure to
In addition to that:
* `org.springframework:spring-jdbc` is now a required dependency in `spring-batch-core`
* `junit:junit` (junit 4) is now an optional dependency in `spring-batch-test`
* `junit:junit` (junit 4) is now an optional dependency in `spring-batch-test`. If you use `org.springframework.batch.test.AssertFile`, you will need to manually add the `junit:junit` dependency to your test classpath.
## Database schema updates
@ -76,6 +76,12 @@ transaction manager bean in the application context anymore.
* Metric counters (`readCount`, `writeCount`, etc) in `org.springframework.batch.core.StepExecution` and `org.springframework.batch.core.StepContribution` have been changed from `int` to `long`. All getters and setters have been updated accordingly.
* The `skipCount` parameter in `org.springframework.batch.core.step.skip.SkipPolicy#shouldSkip` has been changed from `int` to `long`. This is related to the previous point.
## Observability updates
* Micrometer has been updated to version 1.10
* All tags are now prefixed with the meter name. For example, the tags of the timer `spring.batch.job` are named `name` and `status` in version 4.x. In version 5, those tags are now named `spring.batch.job.name` and `spring.batch.job.status` respectively.
* The `BatchMetrics` class (which is intended for internal use only) has been moved from `org.springframework.batch.core.metrics` to the `org.springframework.batch.core.observability` package.
# Deprecated APIs
The following APIs have been deprecated in version 5.0: