JPAServiceBean for Department DAO

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This document discusses various Java Persistence API (JPA) concepts and components for implementing data access using JPA, including the EntityManagerFactoryBean, JpaTemplate, Persistence.xml file, EntityManagerFactory, EntityManager, and transactions. It also describes injecting these components like the EntityManagerFactoryBean into classes that implement data access services and repositories.

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Albert Guo [email_address]

persist() find() merge() delete() EntityManagerFactoryBean JpaTemplate Persistence.xml Persistence EntityManagerFactory Query EntityManager Transaction

EntityManagerFactoryBean Injected into extends implements JpaDaoSupport JpaTemplate DepartmentDAO IDepartmentDAO

Inject into entityManagerFactor transactionManager

Inject into Inject into entityManagerFactor DepartmentDAO JPAServiceBean

JPAServiceBean for Department DAO

JPAServiceBean for Department DAO

JPAServiceBean for Department DAO

JPAServiceBean for Department DAO

JPAServiceBean for Department DAO

JPAServiceBean for Department DAO

JPAServiceBean for Department DAO

JPAServiceBean for Department DAO

JPAServiceBean for Department DAO

JPAServiceBean for Department DAO

JPAServiceBean for Department DAO

JPAServiceBean for Department DAO

JPAServiceBean for Department DAO

JPAServiceBean for Department DAO

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JPAServiceBean for Department DAO

1. Albert Guo [email_address]

2.

3.

4. persist() find() merge() delete() EntityManagerFactoryBean JpaTemplate Persistence.xml Persistence EntityManagerFactory Query EntityManager Transaction

5. EntityManagerFactoryBean Injected into extends implements JpaDaoSupport JpaTemplate DepartmentDAO IDepartmentDAO

6.

7.

8. Inject into entityManagerFactor transactionManager

9. Inject into Inject into entityManagerFactor DepartmentDAO JPAServiceBean