Spring data

Posted on by Armando Marques

Spring Data encapsulate multiple modules:

  • Spring Data JDBC
  • Spring Data LDAP
  • Spring Data MongoDB
  • Spring Data Redis
  • Spring Data JPA

Spring Data JPA

Interfaces

JDBC – Old java api.
Spring JDBC – Spring abstraction to JDBC (JDBC Template)
Spring Data JPA -Spring JPA supported implementation.
Spring Data JDBC – New asynchronous implementations
R2BC – Reactive streams solution.

Persistence

Is the first-level cache where all entities are fetched from database or saved to, there are two types:

  • transaction scope persistence context
  • extended scope persistence context

Layers of persistence in Spring JPA

JDBC → JDBC Template → JPA (Entity Manager) → Spring Data JPA (Repository)