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JPA Miscellaneous

>CacheStoreMode enum types serve in managing the EntityManagerFactory's shared (level 2) cache:

Posting Sample Code

;       EntityManagerFactory emf =      

javax.persistence.Persistence

/EntityManagerFactory" title="Interface in javax.persistence">EntityManagerFactoryEntityManagerFactory" title="Interface in javax.persistence">EntityManagerFactory ... an EntityManagerFactory for the named persistence unit.

javax.persistence.spi.PersistenceUnitInfo

when creating an EntityManagerFactory" title="Interface in javax.persistence">javax.persistence.EntityManagerFactory . EntityManagerFactory.

createContainerEntityManagerFactory(info, map)

/EntityManagerFactory" title="Interface in javax.persistence">EntityManagerFactory ... >EntityManagerFactory is to be created. EntityManagerFactory for the persistence unit specified by the metadata

createEntityManagerFactory(emName, map)

/EntityManagerFactory" title="Interface in javax.persistence">EntityManagerFactory ... >EntityManagerFactory is to be created. EntityManagerFactory for the persistence unit, or null if the provider is not the right provider

Step 3: Add a Main Class

yet): EntityManagerFactory emf = Persistence.createEntityManagerFactory(     

Step 3: Add a Main Class

exist yet): EntityManagerFactory emf =  Persistence

Step 2: Define a JPA Entity Class

>EntityManagerFactory representing the ObjectDB database.

Step 2: Define a JPA Entity Class

that will manage a JPA's EntityManagerFactory representing the ObjectDB database.