Simplify the ability to configure a custom TransactionManager with java config [BATCH-2705]

[spring-projects-issues]

Michael Minella opened BATCH-2705 and commented

Currently if you want to customize only the TransactionManager provided via the BatchConfigurer, you need to re-implement the entire BatchConfigurer instead of just overriding something in the DefaultBatchConfigurer. The example use case here is to configure a HibernateTransactionManager. Everything else in the DefaultBatchConfigurer applies, but since we refer directly to the private class level variables, there isn't a way to override what TransactionManager is used across components.

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Affects: 4.0.1

Referenced from: pull request #415

[spring-projects-issues]

Michael Minella commented

Duplicate of BATCH-2294