6. Cosminexus JPA Provider

This chapter gives an overview of the Cosminexus JPA Provider functionality, describes the application implementation methods, and the execution environment settings.

Organization of this chapter

6.1 Organization of this chapter

6.2 Cosminexus JPA Provider

6.3 Updating a database using entities

6.4 Entity operations by EntityManager

6.5 Defining the mapping information between the database and Java objects

6.6 Entity relationships

6.7 Cache functionality of the entity objects

6.8 Auto-numbering of the primary key values

6.9 Database operations based on the query language

6.10 Optimistic lock

6.11 Pessimistic lock in JPQL

6.12 Creating an entity class

6.13 Procedure for inheriting an entity class

6.14 Procedure for using EntityManager and EntityManagerFactory

6.15 Procedure for specifying the callback method

6.16 Procedure for referencing and updating the database with the query language

6.17 JPQL coding method

6.18 Defining persistence.xml

6.19 Settings in the execution environment