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Updated Spring Batch 5.0 Migration Guide (markdown)

Mahmoud Ben Hassine 2022-10-04 15:39:59 +02:00
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Spring-Batch-5.0-Migration-Guide.md

@ -220,7 +220,7 @@ This change adds support to use any type as a job parameter, and not only the 4
With this revision, the `JobParameter` can be of any type. This change required many API changes like changing the return type of `getType()`, or the removal of the `ParameterType` enum. All changes related to this update can be found in the "[Deprecated|Moved|Removed] APIs" sections.
This change had an impact on how job parameters are persisted in the database (There are no more 4 distinct columns for each predefined type). Please check [Column change in BATCH_JOB_EXECUTION_PARAMS](https://github.com/spring-projects/spring-batch/wiki/Spring-Batch-5.0-Migration-Guide#column-change-in-batch_job_execution_params) for DDL changes. The fully qualified name of the type of the parameter is now persisted as a `String`, as well as the parameter value. String literals are converted to the parameter type with the standard Spring conversion service. The standard conversion service can be enriched with any required converter to convert user specific type to and from String literals.
This change had an impact on how job parameters are persisted in the database (There are no more 4 distinct columns for each predefined type). Please check [Column change in BATCH_JOB_EXECUTION_PARAMS](https://github.com/spring-projects/spring-batch/wiki/Spring-Batch-5.0-Migration-Guide#column-change-in-batch_job_execution_params) for DDL changes. The fully qualified name of the type of the parameter is now persisted as a `String`, as well as the parameter value. String literals are converted to the parameter type with the standard Spring conversion service. The standard conversion service can be enriched with any required converter to convert user specific types to and from String literals.
### Default job parameter conversion