About getIdentifier


JPA Primary Key

Explains how to define and use primary keys in JPA, including composite and embedded primary keys.... ( ) ; Object projectId = util. getIdentifier getIdentifier(entity) PersistenceUnitUtil's method Return the id of ...



Return the id of the entity.(Method of javax.persistence.PersistenceUnitUtil)



Utility interface between the application and the persistence provider managing the persistence unit.(Interface of JPA)


Entity listener - event instead of object

Hi, Currently I'm playing with entity listener to implement auditing with difference between values in updated entity. There is a problem however with accessing "old" version of object stored in database. I can't find the nice way to use EntityManager in EntityListener. Because of that, I can't store separate entity for given event. Right now I'm using BaseEntity which contains ... ) ? event. getPersister ( ) . getIdentifier ( event. getEntity ( ) , event. ...


Populating entity id before transaction commit

Hi, I have a question about populating auto generated id before transaction commit. We are using OBD with Spring and transactions are managed by Spring. The problem is, that we have custom annotation that wraps some of those functions to do additional work. But this annotation is executed before transaction is committed so all returned entities are not populated with ID in this context. How can I force ODB to populate entity ID before transaction is committed? Or maybe there is another way to finding ID of entity before commit? ... . < a href = "/api/java/jpa/PersistenceUnitUtil/getIdentifier_Object" > getIdentifier ( ) </ a >;   ...