1. JPA with SpringData
Sean@Weaveus
May 2011

2. JPA
Object JPA SQL JDBC
ORM
Monday, May 9, 2011 2

3. Monday, May 9, 2011 3

4. Spring JPA Running on
• Application Level
• JEE Container Level
• JPA Supported Container
• JPA Non-support Container - Tomcat
Monday, May 9, 2011 4

5. JPA
• @Bean EntityManager
• @PersistenceContext
• Injected Proxy of EM by Spring
• @Bean EntityManagerFactory
• @PersistenceUnit
Monday, May 9, 2011 5

6. JPA Usage Pattern
• EntityManager
• persist()
• find()
• merge()
• remove()
• flush()
• QueryBuilder, Criteria, ...
Monday, May 9, 2011 6

7. Spring Data JPA
Monday, May 9, 2011 7

8. Spring Data JPA
• JPARepository<id, entity> Class
• Create Query with Method Name
• @NamedQuery
• @Query(“SQL”) and
@Query(“SQL”) with @param
• @Query with @Modifying
• Specification for Criteria & Predicate
Monday, May 9, 2011 8

9. Spring Data JPA
• Transactional Support
• Audit
Monday, May 9, 2011 9