Spring Boot / Intermediate: data, security, and framework evidence

Spring Boot β€” Intermediate: data, security, and framework evidence

Connect JPA, transaction proxies, authorization, focused tests, caches, and bounded asynchronous work.

6 lessons Β· No account required

What you will learn

  • Define state and access invariants.
  • Choose evidence for each managed boundary.
  • Make scope, lifecycle, and failure behavior explicit.

  1. JPA repositories and persistence context

    Model a persistence boundary with explicit entity identity, database invariants, scoped queries, pagination, and controlled DTO exposure.

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  2. Transaction proxies and error semantics

    Define a business atomic unit and verify how proxy entry, propagation, rollback rules, and transaction-manager behavior implement it.

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  3. Authentication, request rules, and object access

    Build a layered security contract that separates identity, endpoint permission, object ownership, CSRF, and safe failure handling.

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  4. Testing slices and evidence boundaries

    Choose domain, MVC, configuration, and persistence tests according to the behavior they can actually observe, using controlled identities and dependencies.

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  5. Caching keys and consistency

    Define what may be reused, for whom, and for how long before selecting Spring caching annotations or a provider.

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  6. Async work, scheduling, and event lifecycle

    Define task admission, execution, context, failure, and shutdown rather than treating Async or Scheduled as durable background-processing guarantees.

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